fallow_cli/report/

sarif.rs

use std::path::{Path, PathBuf};
use std::process::ExitCode;

use fallow_config::{RulesConfig, Severity};
use fallow_core::duplicates::DuplicationReport;
use fallow_core::results::{
    AnalysisResults, BoundaryCallViolation, BoundaryCoverageViolation, BoundaryViolation,
    CircularDependency, DuplicateExportFinding, DuplicatePropShape, DynamicSegmentNameConflict,
    EmptyCatalogGroupFinding, InvalidClientExport, MisconfiguredDependencyOverrideFinding,
    MisplacedDirective, MixedClientServerBarrel, PolicyViolation, PolicyViolationSeverity,
    PrivateTypeLeak, PropDrillingChain, RouteCollision, StaleSuppression, TestOnlyDependency,
    ThinWrapper, TypeOnlyDependency, UnlistedDependencyFinding, UnprovidedInject,
    UnrenderedComponent, UnresolvedCatalogReferenceFinding, UnresolvedImport,
    UnusedCatalogEntryFinding, UnusedComponentEmit, UnusedComponentProp, UnusedDependency,
    UnusedDependencyOverrideFinding, UnusedExport, UnusedFile, UnusedMember, UnusedServerAction,
};
use rustc_hash::FxHashMap;

use super::ci::{fingerprint, severity};
use super::grouping::{self, OwnershipResolver};
use super::{emit_json, relative_uri};
use crate::explain;

/// Intermediate fields extracted from an issue for SARIF result construction.
struct SarifFields {
    rule_id: &'static str,
    level: &'static str,
    message: String,
    uri: String,
    region: Option<(u32, u32)>,
    source_path: Option<PathBuf>,
    properties: Option<serde_json::Value>,
}

#[derive(Default)]
struct SourceSnippetCache {
    files: FxHashMap<PathBuf, Vec<String>>,
}

impl SourceSnippetCache {
    fn line(&mut self, path: &Path, line: u32) -> Option<String> {
        if line == 0 {
            return None;
        }
        if !self.files.contains_key(path) {
            let lines = std::fs::read_to_string(path)
                .ok()
                .map(|source| source.lines().map(str::to_owned).collect())
                .unwrap_or_default();
            self.files.insert(path.to_path_buf(), lines);
        }
        self.files
            .get(path)
            .and_then(|lines| lines.get(line.saturating_sub(1) as usize))
            .cloned()
    }
}

fn severity_to_sarif_level(s: Severity) -> &'static str {
    severity::sarif_level(s)
}

fn configured_sarif_level(s: Severity) -> &'static str {
    match s {
        Severity::Error | Severity::Warn => severity_to_sarif_level(s),
        Severity::Off => "none",
    }
}

/// Build a single SARIF result object.
///
/// When `region` is `Some((line, col))`, a `region` block with 1-based
/// `startLine` and `startColumn` is included in the physical location.
fn sarif_result(
    rule_id: &str,
    level: &str,
    message: &str,
    uri: &str,
    region: Option<(u32, u32)>,
) -> serde_json::Value {
    sarif_result_with_snippet(rule_id, level, message, uri, region, None)
}

fn sarif_result_with_snippet(
    rule_id: &str,
    level: &str,
    message: &str,
    uri: &str,
    region: Option<(u32, u32)>,
    snippet: Option<&str>,
) -> serde_json::Value {
    let mut physical_location = serde_json::json!({
        "artifactLocation": { "uri": uri }
    });
    if let Some((line, col)) = region {
        physical_location["region"] = serde_json::json!({
            "startLine": line,
            "startColumn": col
        });
    }
    let line = region.map_or_else(String::new, |(line, _)| line.to_string());
    let col = region.map_or_else(String::new, |(_, col)| col.to_string());
    let normalized_snippet = snippet
        .map(fingerprint::normalize_snippet)
        .filter(|snippet| !snippet.is_empty());
    let partial_fingerprint = normalized_snippet.as_ref().map_or_else(
        || fingerprint::fingerprint_hash(&[rule_id, uri, &line, &col]),
        |snippet| fingerprint::finding_fingerprint(rule_id, uri, snippet),
    );
    let partial_fingerprint_ghas = partial_fingerprint.clone();
    serde_json::json!({
        "ruleId": rule_id,
        "level": level,
        "message": { "text": message },
        "locations": [{ "physicalLocation": physical_location }],
        "partialFingerprints": {
            fingerprint::FINGERPRINT_KEY: partial_fingerprint,
            fingerprint::GHAS_FINGERPRINT_KEY: partial_fingerprint_ghas
        }
    })
}

/// Append SARIF results for a slice of items using a closure to extract fields.
fn push_sarif_results<T>(
    sarif_results: &mut Vec<serde_json::Value>,
    items: &[T],
    snippets: &mut SourceSnippetCache,
    mut extract: impl FnMut(&T) -> SarifFields,
) {
    for item in items {
        let fields = extract(item);
        let source_snippet = fields
            .source_path
            .as_deref()
            .zip(fields.region)
            .and_then(|(path, (line, _))| snippets.line(path, line));
        let mut result = sarif_result_with_snippet(
            fields.rule_id,
            fields.level,
            &fields.message,
            &fields.uri,
            fields.region,
            source_snippet.as_deref(),
        );
        if let Some(props) = fields.properties {
            result["properties"] = props;
        }
        sarif_results.push(result);
    }
}

/// Build a SARIF rule definition with optional `fullDescription` and `helpUri`
/// sourced from the centralized explain module.
fn sarif_rule(id: &str, fallback_short: &str, level: &str) -> serde_json::Value {
    explain::rule_by_id(id).map_or_else(
        || {
            serde_json::json!({
                "id": id,
                "shortDescription": { "text": fallback_short },
                "defaultConfiguration": { "level": level }
            })
        },
        |def| {
            serde_json::json!({
                "id": id,
                "shortDescription": { "text": def.short },
                "fullDescription": { "text": def.full },
                "helpUri": explain::rule_docs_url(def),
                "defaultConfiguration": { "level": level }
            })
        },
    )
}

/// Extract SARIF fields for an unused export or type export.
fn sarif_export_fields(
    export: &UnusedExport,
    root: &Path,
    rule_id: &'static str,
    level: &'static str,
    kind: &str,
    re_kind: &str,
) -> SarifFields {
    let label = if export.is_re_export { re_kind } else { kind };
    SarifFields {
        rule_id,
        level,
        message: format!(
            "{} '{}' is never imported by other modules",
            label, export.export_name
        ),
        uri: relative_uri(&export.path, root),
        region: Some((export.line, export.col + 1)),
        source_path: Some(export.path.clone()),
        properties: if export.is_re_export {
            Some(serde_json::json!({ "is_re_export": true }))
        } else {
            None
        },
    }
}

fn sarif_private_type_leak_fields(
    leak: &PrivateTypeLeak,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/private-type-leak",
        level,
        message: format!(
            "Export '{}' references private type '{}'",
            leak.export_name, leak.type_name
        ),
        uri: relative_uri(&leak.path, root),
        region: Some((leak.line, leak.col + 1)),
        source_path: Some(leak.path.clone()),
        properties: None,
    }
}

/// Extract SARIF fields for an unused dependency.
fn sarif_dep_fields(
    dep: &UnusedDependency,
    root: &Path,
    rule_id: &'static str,
    level: &'static str,
    section: &str,
) -> SarifFields {
    let workspace_context = if dep.used_in_workspaces.is_empty() {
        String::new()
    } else {
        let workspaces = dep
            .used_in_workspaces
            .iter()
            .map(|path| relative_uri(path, root))
            .collect::<Vec<_>>()
            .join(", ");
        format!("; imported in other workspaces: {workspaces}")
    };
    SarifFields {
        rule_id,
        level,
        message: format!(
            "Package '{}' is in {} but never imported{}",
            dep.package_name, section, workspace_context
        ),
        uri: relative_uri(&dep.path, root),
        region: if dep.line > 0 {
            Some((dep.line, 1))
        } else {
            None
        },
        source_path: (dep.line > 0).then(|| dep.path.clone()),
        properties: None,
    }
}

/// Extract SARIF fields for an unused enum or class member.
fn sarif_member_fields(
    member: &UnusedMember,
    root: &Path,
    rule_id: &'static str,
    level: &'static str,
    kind: &str,
) -> SarifFields {
    SarifFields {
        rule_id,
        level,
        message: format!(
            "{} member '{}.{}' is never referenced",
            kind, member.parent_name, member.member_name
        ),
        uri: relative_uri(&member.path, root),
        region: Some((member.line, member.col + 1)),
        source_path: Some(member.path.clone()),
        properties: None,
    }
}

fn sarif_unused_file_fields(file: &UnusedFile, root: &Path, level: &'static str) -> SarifFields {
    SarifFields {
        rule_id: "fallow/unused-file",
        level,
        message: "File is not reachable from any entry point".to_string(),
        uri: relative_uri(&file.path, root),
        region: None,
        source_path: None,
        properties: None,
    }
}

fn sarif_type_only_dep_fields(
    dep: &TypeOnlyDependency,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/type-only-dependency",
        level,
        message: format!(
            "Package '{}' is only imported via type-only imports (consider moving to devDependencies)",
            dep.package_name
        ),
        uri: relative_uri(&dep.path, root),
        region: if dep.line > 0 {
            Some((dep.line, 1))
        } else {
            None
        },
        source_path: (dep.line > 0).then(|| dep.path.clone()),
        properties: None,
    }
}

fn sarif_test_only_dep_fields(
    dep: &TestOnlyDependency,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/test-only-dependency",
        level,
        message: format!(
            "Package '{}' is only imported by test files (consider moving to devDependencies)",
            dep.package_name
        ),
        uri: relative_uri(&dep.path, root),
        region: if dep.line > 0 {
            Some((dep.line, 1))
        } else {
            None
        },
        source_path: (dep.line > 0).then(|| dep.path.clone()),
        properties: None,
    }
}

fn sarif_unresolved_import_fields(
    import: &UnresolvedImport,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/unresolved-import",
        level,
        message: format!("Import '{}' could not be resolved", import.specifier),
        uri: relative_uri(&import.path, root),
        region: Some((import.line, import.col + 1)),
        source_path: Some(import.path.clone()),
        properties: None,
    }
}

fn sarif_circular_dep_fields(
    cycle: &CircularDependency,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    let chain: Vec<String> = cycle.files.iter().map(|p| relative_uri(p, root)).collect();
    let mut display_chain = chain.clone();
    if let Some(first) = chain.first() {
        display_chain.push(first.clone());
    }
    let first_uri = chain.first().map_or_else(String::new, Clone::clone);
    let first_path = cycle.files.first().cloned();
    SarifFields {
        rule_id: "fallow/circular-dependency",
        level,
        message: format!(
            "Circular dependency{}: {}",
            if cycle.is_cross_package {
                " (cross-package)"
            } else {
                ""
            },
            display_chain.join(" \u{2192} ")
        ),
        uri: first_uri,
        region: if cycle.line > 0 {
            Some((cycle.line, cycle.col + 1))
        } else {
            None
        },
        source_path: (cycle.line > 0).then_some(first_path).flatten(),
        properties: None,
    }
}

fn sarif_re_export_cycle_fields(
    cycle: &fallow_core::results::ReExportCycle,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    let chain: Vec<String> = cycle.files.iter().map(|p| relative_uri(p, root)).collect();
    let first_uri = chain.first().map_or_else(String::new, Clone::clone);
    let first_path = cycle.files.first().cloned();
    let kind_tag = match cycle.kind {
        fallow_core::results::ReExportCycleKind::SelfLoop => " (self-loop)",
        fallow_core::results::ReExportCycleKind::MultiNode => "",
    };
    SarifFields {
        rule_id: "fallow/re-export-cycle",
        level,
        message: format!("Re-export cycle{}: {}", kind_tag, chain.join(" <-> ")),
        uri: first_uri,
        region: None,
        source_path: first_path,
        properties: None,
    }
}

fn sarif_boundary_violation_fields(
    violation: &BoundaryViolation,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    let from_uri = relative_uri(&violation.from_path, root);
    let to_uri = relative_uri(&violation.to_path, root);
    SarifFields {
        rule_id: "fallow/boundary-violation",
        level,
        message: format!(
            "Import from zone '{}' to zone '{}' is not allowed ({})",
            violation.from_zone, violation.to_zone, to_uri,
        ),
        uri: from_uri,
        region: if violation.line > 0 {
            Some((violation.line, violation.col + 1))
        } else {
            None
        },
        source_path: (violation.line > 0).then(|| violation.from_path.clone()),
        properties: None,
    }
}

fn sarif_boundary_coverage_fields(
    violation: &BoundaryCoverageViolation,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/boundary-coverage",
        level,
        message: "File does not match any configured architecture boundary zone".to_string(),
        uri: relative_uri(&violation.path, root),
        region: Some((violation.line, violation.col + 1)),
        source_path: Some(violation.path.clone()),
        properties: None,
    }
}

fn sarif_boundary_call_fields(
    violation: &BoundaryCallViolation,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/boundary-call-violation",
        level,
        message: format!(
            "Call to `{}` matches forbidden pattern `{}` in zone '{}'",
            violation.callee, violation.pattern, violation.zone
        ),
        uri: relative_uri(&violation.path, root),
        region: Some((violation.line, violation.col + 1)),
        source_path: Some(violation.path.clone()),
        properties: None,
    }
}

fn sarif_policy_violation_fields(violation: &PolicyViolation, root: &Path) -> SarifFields {
    let level = match violation.severity {
        PolicyViolationSeverity::Error => "error",
        PolicyViolationSeverity::Warn => "warning",
    };
    let message = match &violation.message {
        Some(message) => format!(
            "Policy violation `{}/{}`: `{}` is banned. {message}",
            violation.pack, violation.rule_id, violation.matched
        ),
        None => format!(
            "Policy violation `{}/{}`: `{}` is banned",
            violation.pack, violation.rule_id, violation.matched
        ),
    };
    SarifFields {
        rule_id: "fallow/policy-violation",
        level,
        message,
        uri: relative_uri(&violation.path, root),
        region: Some((violation.line, violation.col + 1)),
        source_path: Some(violation.path.clone()),
        // The SARIF rule id is the static `fallow/policy-violation`; the
        // per-rule policy identity rides in properties so code-scanning
        // consumers can group or filter per pack rule without parsing the
        // message. Dynamic per-rule SARIF rule synthesis is a tracked
        // follow-up shared with boundary zone rules.
        properties: Some(serde_json::json!({
            "policyRule": format!("{}/{}", violation.pack, violation.rule_id),
        })),
    }
}

fn sarif_invalid_client_export_fields(
    export: &InvalidClientExport,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/invalid-client-export",
        level,
        message: format!(
            "Export '{}' is not allowed in a \"{}\" file (Next.js server-only / route-config name)",
            export.export_name, export.directive
        ),
        uri: relative_uri(&export.path, root),
        region: Some((export.line, export.col + 1)),
        source_path: Some(export.path.clone()),
        properties: None,
    }
}

fn sarif_mixed_client_server_barrel_fields(
    barrel: &MixedClientServerBarrel,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/mixed-client-server-barrel",
        level,
        message: format!(
            "Barrel re-exports both a \"use client\" module ('{}') and a server-only module ('{}'); one import drags the other's directive across the boundary",
            barrel.client_origin, barrel.server_origin
        ),
        uri: relative_uri(&barrel.path, root),
        region: Some((barrel.line, barrel.col + 1)),
        source_path: Some(barrel.path.clone()),
        properties: None,
    }
}

fn sarif_misplaced_directive_fields(
    directive_site: &MisplacedDirective,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/misplaced-directive",
        level,
        message: format!(
            "Directive \"{}\" is not in the leading position, so the RSC bundler ignores it; move it to the top of the file",
            directive_site.directive
        ),
        uri: relative_uri(&directive_site.path, root),
        region: Some((directive_site.line, directive_site.col + 1)),
        source_path: Some(directive_site.path.clone()),
        properties: None,
    }
}

fn sarif_unprovided_inject_fields(
    inject: &UnprovidedInject,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/unprovided-inject",
        level,
        message: format!(
            "inject(\"{}\") has no matching provide(\"{}\") in this project; at runtime it returns undefined; provide the key or remove this inject",
            inject.key_name, inject.key_name
        ),
        uri: relative_uri(&inject.path, root),
        region: Some((inject.line, inject.col + 1)),
        source_path: Some(inject.path.clone()),
        properties: None,
    }
}

fn sarif_unrendered_component_fields(
    component: &UnrenderedComponent,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/unrendered-component",
        level,
        message: format!(
            "component \"{}\" is reachable but rendered nowhere in this project; render it somewhere or remove it",
            component.component_name
        ),
        uri: relative_uri(&component.path, root),
        region: Some((component.line, component.col + 1)),
        source_path: Some(component.path.clone()),
        properties: None,
    }
}

fn sarif_unused_component_prop_fields(
    prop: &UnusedComponentProp,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/unused-component-prop",
        level,
        message: format!(
            "prop \"{}\" is declared but referenced nowhere inside component \"{}\"; remove it or use it",
            prop.prop_name, prop.component_name
        ),
        uri: relative_uri(&prop.path, root),
        region: Some((prop.line, prop.col + 1)),
        source_path: Some(prop.path.clone()),
        properties: None,
    }
}

fn sarif_unused_component_emit_fields(
    emit: &UnusedComponentEmit,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/unused-component-emit",
        level,
        message: format!(
            "emit \"{}\" is declared but emitted nowhere inside component \"{}\"; remove it or emit it",
            emit.emit_name, emit.component_name
        ),
        uri: relative_uri(&emit.path, root),
        region: Some((emit.line, emit.col + 1)),
        source_path: Some(emit.path.clone()),
        properties: None,
    }
}

fn sarif_unused_server_action_fields(
    action: &UnusedServerAction,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/unused-server-action",
        level,
        message: format!(
            "server action \"{}\" is exported from a \"use server\" file but no code in this project references it; wire it to a consumer or remove it",
            action.action_name
        ),
        uri: relative_uri(&action.path, root),
        region: Some((action.line, action.col + 1)),
        source_path: Some(action.path.clone()),
        properties: None,
    }
}

fn sarif_unused_load_data_key_fields(
    key: &fallow_core::results::UnusedLoadDataKey,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/unused-load-data-key",
        level,
        message: format!(
            "load() return key \"{}\" is read by no consumer (sibling +page.svelte data.<key> or project-wide page.data.<key>); delete the key or wire a consumer",
            key.key_name
        ),
        uri: relative_uri(&key.path, root),
        region: Some((key.line, key.col + 1)),
        source_path: Some(key.path.clone()),
        properties: None,
    }
}

fn sarif_prop_drilling_fields(
    chain: &PropDrillingChain,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    // Anchor at the source hop (the prop owner). Path / line come from the first
    // hop; the message names the depth and the consumer at the chain tail.
    let source = chain.hops.first();
    let consumer = chain.hops.last();
    let (path, line) = source.map_or((std::path::PathBuf::new(), 1), |h| (h.file.clone(), h.line));
    let consumer_name = consumer.map_or("a distant component", |h| h.component.as_str());
    SarifFields {
        rule_id: "fallow/prop-drilling",
        level,
        message: format!(
            "prop \"{}\" is forwarded unchanged through {} component(s) before \"{}\" consumes it; colocate, lift to context, or compose",
            chain.prop, chain.depth, consumer_name
        ),
        uri: relative_uri(&path, root),
        region: Some((line, 1)),
        source_path: Some(path),
        properties: None,
    }
}

fn sarif_thin_wrapper_fields(
    wrapper: &ThinWrapper,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/thin-wrapper",
        level,
        message: format!(
            "\"{}\" is a thin wrapper: its whole body forwards props to \"{}\"; inline it at call sites or delete it",
            wrapper.component, wrapper.child_component
        ),
        uri: relative_uri(&wrapper.file, root),
        region: Some((wrapper.line, 1)),
        source_path: Some(wrapper.file.clone()),
        properties: None,
    }
}

fn sarif_duplicate_prop_shape_fields(
    shape: &DuplicatePropShape,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/duplicate-prop-shape",
        level,
        message: format!(
            "\"{}\" shares an identical prop shape {{{}}} with {} other component(s); extract a shared Props type or base component",
            shape.component,
            shape.shape.join(", "),
            shape.group_size.saturating_sub(1)
        ),
        uri: relative_uri(&shape.file, root),
        region: Some((shape.line, 1)),
        source_path: Some(shape.file.clone()),
        properties: None,
    }
}

fn sarif_route_collision_fields(
    collision: &RouteCollision,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/route-collision",
        level,
        message: format!(
            "Route file resolves to '{}', which is also owned by {} other file(s); Next.js fails the build because a URL can have only one owner",
            collision.url,
            collision.conflicting_paths.len()
        ),
        uri: relative_uri(&collision.path, root),
        region: Some((collision.line, collision.col + 1)),
        source_path: Some(collision.path.clone()),
        properties: None,
    }
}

fn sarif_dynamic_segment_name_conflict_fields(
    conflict: &DynamicSegmentNameConflict,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/dynamic-segment-name-conflict",
        level,
        message: format!(
            "Dynamic segments at '{}' use different slug names ({}); Next.js requires one consistent name per dynamic path",
            conflict.position,
            conflict.conflicting_segments.join(", ")
        ),
        uri: relative_uri(&conflict.path, root),
        region: Some((conflict.line, conflict.col + 1)),
        source_path: Some(conflict.path.clone()),
        properties: None,
    }
}

fn sarif_stale_suppression_fields(
    suppression: &StaleSuppression,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    SarifFields {
        rule_id: "fallow/stale-suppression",
        level,
        message: suppression.display_message(),
        uri: relative_uri(&suppression.path, root),
        region: Some((suppression.line, suppression.col + 1)),
        source_path: Some(suppression.path.clone()),
        properties: None,
    }
}

fn sarif_unused_catalog_entry_fields(
    entry: &UnusedCatalogEntryFinding,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    let entry = &entry.entry;
    let message = if entry.catalog_name == "default" {
        format!(
            "Catalog entry '{}' is not referenced by any workspace package",
            entry.entry_name
        )
    } else {
        format!(
            "Catalog entry '{}' (catalog '{}') is not referenced by any workspace package",
            entry.entry_name, entry.catalog_name
        )
    };
    SarifFields {
        rule_id: "fallow/unused-catalog-entry",
        level,
        message,
        uri: relative_uri(&entry.path, root),
        region: Some((entry.line, 1)),
        source_path: Some(entry.path.clone()),
        properties: None,
    }
}

fn sarif_unused_dependency_override_fields(
    finding: &UnusedDependencyOverrideFinding,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    let finding = &finding.entry;
    let mut message = format!(
        "Override `{}` forces version `{}` but `{}` is not declared by any workspace package or resolved in pnpm-lock.yaml",
        finding.raw_key, finding.version_range, finding.target_package,
    );
    if let Some(hint) = &finding.hint {
        use std::fmt::Write as _;
        let _ = write!(message, " ({hint})");
    }
    SarifFields {
        rule_id: "fallow/unused-dependency-override",
        level,
        message,
        uri: relative_uri(&finding.path, root),
        region: Some((finding.line, 1)),
        source_path: Some(finding.path.clone()),
        properties: None,
    }
}

fn sarif_misconfigured_dependency_override_fields(
    finding: &MisconfiguredDependencyOverrideFinding,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    let finding = &finding.entry;
    let message = format!(
        "Override `{}` -> `{}` is malformed: {}",
        finding.raw_key,
        finding.raw_value,
        finding.reason.describe(),
    );
    SarifFields {
        rule_id: "fallow/misconfigured-dependency-override",
        level,
        message,
        uri: relative_uri(&finding.path, root),
        region: Some((finding.line, 1)),
        source_path: Some(finding.path.clone()),
        properties: None,
    }
}

fn sarif_unresolved_catalog_reference_fields(
    finding: &UnresolvedCatalogReferenceFinding,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    let finding = &finding.reference;
    let catalog_phrase = if finding.catalog_name == "default" {
        "the default catalog".to_string()
    } else {
        format!("catalog '{}'", finding.catalog_name)
    };
    let mut message = format!(
        "Package '{}' is referenced via `catalog:{}` but {} does not declare it",
        finding.entry_name,
        if finding.catalog_name == "default" {
            ""
        } else {
            finding.catalog_name.as_str()
        },
        catalog_phrase,
    );
    if !finding.available_in_catalogs.is_empty() {
        use std::fmt::Write as _;
        let _ = write!(
            message,
            " (available in: {})",
            finding.available_in_catalogs.join(", ")
        );
    }
    SarifFields {
        rule_id: "fallow/unresolved-catalog-reference",
        level,
        message,
        uri: relative_uri(&finding.path, root),
        region: Some((finding.line, 1)),
        source_path: Some(finding.path.clone()),
        properties: None,
    }
}

fn sarif_empty_catalog_group_fields(
    group: &EmptyCatalogGroupFinding,
    root: &Path,
    level: &'static str,
) -> SarifFields {
    let group = &group.group;
    SarifFields {
        rule_id: "fallow/empty-catalog-group",
        level,
        message: format!("Catalog group '{}' has no entries", group.catalog_name),
        uri: relative_uri(&group.path, root),
        region: Some((group.line, 1)),
        source_path: Some(group.path.clone()),
        properties: None,
    }
}

/// Unlisted deps fan out to one SARIF result per import site, so they do not
/// fit `push_sarif_results`. Keep the nested-loop shape in its own helper.
fn push_sarif_unlisted_deps(
    sarif_results: &mut Vec<serde_json::Value>,
    deps: &[UnlistedDependencyFinding],
    root: &Path,
    level: &'static str,
    snippets: &mut SourceSnippetCache,
) {
    for entry in deps {
        let dep = &entry.dep;
        for site in &dep.imported_from {
            let uri = relative_uri(&site.path, root);
            let source_snippet = snippets.line(&site.path, site.line);
            sarif_results.push(sarif_result_with_snippet(
                "fallow/unlisted-dependency",
                level,
                &format!(
                    "Package '{}' is imported but not listed in package.json",
                    dep.package_name
                ),
                &uri,
                Some((site.line, site.col + 1)),
                source_snippet.as_deref(),
            ));
        }
    }
}

/// Duplicate exports fan out to one SARIF result per location
/// (SARIF 2.1.0 section 3.27.12), so they do not fit `push_sarif_results`.
fn push_sarif_duplicate_exports(
    sarif_results: &mut Vec<serde_json::Value>,
    dups: &[DuplicateExportFinding],
    root: &Path,
    level: &'static str,
    snippets: &mut SourceSnippetCache,
) {
    for dup in dups {
        let dup = &dup.export;
        for loc in &dup.locations {
            let uri = relative_uri(&loc.path, root);
            let source_snippet = snippets.line(&loc.path, loc.line);
            sarif_results.push(sarif_result_with_snippet(
                "fallow/duplicate-export",
                level,
                &format!("Export '{}' appears in multiple modules", dup.export_name),
                &uri,
                Some((loc.line, loc.col + 1)),
                source_snippet.as_deref(),
            ));
        }
    }
}

/// Build the SARIF rules list from the current rules configuration.
fn build_sarif_rules(rules: &RulesConfig) -> Vec<serde_json::Value> {
    let mut specs = Vec::new();
    specs.extend(sarif_core_rule_specs(rules));
    specs.extend(sarif_dependency_rule_specs(rules));
    specs.extend(sarif_member_import_rule_specs(rules));
    specs.extend(sarif_graph_rule_specs(rules));
    specs.extend(sarif_workspace_rule_specs(rules));
    specs
        .into_iter()
        .map(|(id, description, rule_severity)| {
            sarif_rule(id, description, configured_sarif_level(rule_severity))
        })
        .collect()
}

type SarifRuleSpec = (&'static str, &'static str, Severity);

fn sarif_core_rule_specs(rules: &RulesConfig) -> Vec<SarifRuleSpec> {
    [
        (
            "fallow/unused-file",
            "File is not reachable from any entry point",
            rules.unused_files,
        ),
        (
            "fallow/unused-export",
            "Export is never imported",
            rules.unused_exports,
        ),
        (
            "fallow/unused-type",
            "Type export is never imported",
            rules.unused_types,
        ),
        (
            "fallow/private-type-leak",
            "Exported signature references a same-file private type",
            rules.private_type_leaks,
        ),
    ]
    .into()
}

fn sarif_dependency_rule_specs(rules: &RulesConfig) -> Vec<SarifRuleSpec> {
    [
        (
            "fallow/unused-dependency",
            "Dependency listed but never imported",
            rules.unused_dependencies,
        ),
        (
            "fallow/unused-dev-dependency",
            "Dev dependency listed but never imported",
            rules.unused_dev_dependencies,
        ),
        (
            "fallow/unused-optional-dependency",
            "Optional dependency listed but never imported",
            rules.unused_optional_dependencies,
        ),
        (
            "fallow/type-only-dependency",
            "Production dependency only used via type-only imports",
            rules.type_only_dependencies,
        ),
        (
            "fallow/test-only-dependency",
            "Production dependency only imported by test files",
            rules.test_only_dependencies,
        ),
    ]
    .into()
}

fn sarif_member_import_rule_specs(rules: &RulesConfig) -> Vec<SarifRuleSpec> {
    [
        (
            "fallow/unused-enum-member",
            "Enum member is never referenced",
            rules.unused_enum_members,
        ),
        (
            "fallow/unused-class-member",
            "Class member is never referenced",
            rules.unused_class_members,
        ),
        (
            "fallow/unused-store-member",
            "Store member is never referenced",
            rules.unused_store_members,
        ),
        (
            "fallow/unresolved-import",
            "Import could not be resolved",
            rules.unresolved_imports,
        ),
        (
            "fallow/unlisted-dependency",
            "Dependency used but not in package.json",
            rules.unlisted_dependencies,
        ),
        (
            "fallow/duplicate-export",
            "Export name appears in multiple modules",
            rules.duplicate_exports,
        ),
    ]
    .into()
}

fn sarif_graph_rule_specs(rules: &RulesConfig) -> Vec<SarifRuleSpec> {
    let mut specs = sarif_cycle_rule_specs(rules);
    specs.extend(sarif_boundary_rule_specs(rules));
    specs.extend(sarif_framework_rule_specs(rules));
    specs.extend(sarif_component_rule_specs(rules));
    specs.push((
        "fallow/stale-suppression",
        "Suppression comment or tag no longer matches any issue",
        rules.stale_suppressions,
    ));
    specs
}

fn sarif_cycle_rule_specs(rules: &RulesConfig) -> Vec<SarifRuleSpec> {
    vec![
        (
            "fallow/circular-dependency",
            "Circular dependency chain detected",
            rules.circular_dependencies,
        ),
        (
            "fallow/re-export-cycle",
            "Two or more barrel files re-export from each other in a loop",
            rules.re_export_cycle,
        ),
    ]
}

fn sarif_boundary_rule_specs(rules: &RulesConfig) -> Vec<SarifRuleSpec> {
    vec![
        (
            "fallow/boundary-violation",
            "Import crosses an architecture boundary",
            rules.boundary_violation,
        ),
        (
            "fallow/boundary-coverage",
            "Source file matches no architecture boundary zone",
            rules.boundary_violation,
        ),
        (
            "fallow/boundary-call-violation",
            "Zoned file calls a callee its zone forbids",
            rules.boundary_violation,
        ),
        (
            "fallow/policy-violation",
            "Banned call or import matched a rule-pack rule",
            rules.policy_violation,
        ),
    ]
}

fn sarif_framework_rule_specs(rules: &RulesConfig) -> Vec<SarifRuleSpec> {
    vec![
        (
            "fallow/invalid-client-export",
            "\"use client\" file exports a server-only / route-config name",
            rules.invalid_client_export,
        ),
        (
            "fallow/mixed-client-server-barrel",
            "Barrel re-exports both a \"use client\" module and a server-only module",
            rules.mixed_client_server_barrel,
        ),
        (
            "fallow/misplaced-directive",
            "\"use client\" / \"use server\" directive is not in the leading position and is ignored",
            rules.misplaced_directive,
        ),
    ]
}

fn sarif_component_rule_specs(rules: &RulesConfig) -> Vec<SarifRuleSpec> {
    vec![
        (
            "fallow/unprovided-inject",
            "A Vue inject / Svelte getContext whose key is provided nowhere in the project",
            rules.unprovided_injects,
        ),
        (
            "fallow/unrendered-component",
            "A Vue / Svelte component reachable through a barrel but rendered nowhere in the project",
            rules.unrendered_components,
        ),
        (
            "fallow/unused-component-prop",
            "A Vue <script setup> defineProps prop referenced nowhere inside its own component",
            rules.unused_component_props,
        ),
        (
            "fallow/unused-component-emit",
            "A Vue <script setup> defineEmits event emitted nowhere inside its own component",
            rules.unused_component_emits,
        ),
        (
            "fallow/unused-server-action",
            "A Next.js Server Action exported from a \"use server\" file that no code in the project references",
            rules.unused_server_actions,
        ),
        (
            "fallow/unused-load-data-key",
            "A SvelteKit load() return-object key that no consumer reads (sibling +page.svelte data.<key> or project-wide page.data.<key>)",
            rules.unused_load_data_keys,
        ),
        (
            "fallow/prop-drilling",
            "A React/Preact prop forwarded unchanged through 3+ pass-through components to a distant consumer",
            rules.prop_drilling,
        ),
        (
            "fallow/thin-wrapper",
            "A React/Preact component whose whole body is a single spread-forwarded child render (a candidate for inlining)",
            rules.thin_wrapper,
        ),
        (
            "fallow/duplicate-prop-shape",
            "Three or more React/Preact components across two or more files declare an identical prop-name set (a missing shared Props type)",
            rules.duplicate_prop_shape,
        ),
        (
            "fallow/route-collision",
            "Two or more Next.js App Router route files resolve to the same URL",
            rules.route_collision,
        ),
        (
            "fallow/dynamic-segment-name-conflict",
            "Sibling Next.js dynamic route segments use different slug names at the same position",
            rules.dynamic_segment_name_conflict,
        ),
    ]
}

fn sarif_workspace_rule_specs(rules: &RulesConfig) -> Vec<SarifRuleSpec> {
    [
        (
            "fallow/unused-catalog-entry",
            "pnpm catalog entry not referenced by any workspace package",
            rules.unused_catalog_entries,
        ),
        (
            "fallow/empty-catalog-group",
            "pnpm named catalog group has no entries",
            rules.empty_catalog_groups,
        ),
        (
            "fallow/unresolved-catalog-reference",
            "package.json catalog reference points at a catalog that does not declare the package",
            rules.unresolved_catalog_references,
        ),
        (
            "fallow/unused-dependency-override",
            "pnpm dependency override target is not declared or lockfile-resolved",
            rules.unused_dependency_overrides,
        ),
        (
            "fallow/misconfigured-dependency-override",
            "pnpm dependency override key or value is malformed",
            rules.misconfigured_dependency_overrides,
        ),
    ]
    .into()
}

#[must_use]
pub fn build_sarif(
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
) -> serde_json::Value {
    let mut sarif_results = Vec::new();
    let mut snippets = SourceSnippetCache::default();

    push_primary_dead_code_sarif_results(&mut sarif_results, results, root, rules, &mut snippets);
    push_dependency_sarif_results(&mut sarif_results, results, root, rules, &mut snippets);
    push_member_sarif_results(&mut sarif_results, results, root, rules, &mut snippets);
    push_sarif_results(
        &mut sarif_results,
        &results.unresolved_imports,
        &mut snippets,
        |i| {
            sarif_unresolved_import_fields(
                &i.import,
                root,
                severity_to_sarif_level(rules.unresolved_imports),
            )
        },
    );
    push_misc_sarif_results(&mut sarif_results, results, root, rules, &mut snippets);
    push_graph_sarif_results(&mut sarif_results, results, root, rules, &mut snippets);
    push_catalog_sarif_results(&mut sarif_results, results, root, rules, &mut snippets);

    let sarif_rules = build_sarif_rules(rules);
    sarif_document(&sarif_results, &sarif_rules)
}

fn push_primary_dead_code_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
    snippets: &mut SourceSnippetCache,
) {
    push_sarif_results(sarif_results, &results.unused_files, snippets, |finding| {
        sarif_unused_file_fields(
            &finding.file,
            root,
            severity_to_sarif_level(rules.unused_files),
        )
    });
    push_sarif_results(
        sarif_results,
        &results.unused_exports,
        snippets,
        |finding| {
            sarif_export_fields(
                &finding.export,
                root,
                "fallow/unused-export",
                severity_to_sarif_level(rules.unused_exports),
                "Export",
                "Re-export",
            )
        },
    );
    push_sarif_results(sarif_results, &results.unused_types, snippets, |finding| {
        sarif_export_fields(
            &finding.export,
            root,
            "fallow/unused-type",
            severity_to_sarif_level(rules.unused_types),
            "Type export",
            "Type re-export",
        )
    });
    push_sarif_results(
        sarif_results,
        &results.private_type_leaks,
        snippets,
        |finding| {
            sarif_private_type_leak_fields(
                &finding.leak,
                root,
                severity_to_sarif_level(rules.private_type_leaks),
            )
        },
    );
}

fn sarif_document(
    sarif_results: &[serde_json::Value],
    sarif_rules: &[serde_json::Value],
) -> serde_json::Value {
    serde_json::json!({
        "$schema": "https://json.schemastore.org/sarif-2.1.0.json",
        "version": "2.1.0",
        "runs": [{
            "tool": {
                "driver": {
                    "name": "fallow",
                    "version": env!("CARGO_PKG_VERSION"),
                    "informationUri": "https://github.com/fallow-rs/fallow",
                    "rules": sarif_rules
                }
            },
            "results": sarif_results
        }]
    })
}

fn push_dependency_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
    snippets: &mut SourceSnippetCache,
) {
    push_sarif_results(sarif_results, &results.unused_dependencies, snippets, |d| {
        sarif_dep_fields(
            &d.dep,
            root,
            "fallow/unused-dependency",
            severity_to_sarif_level(rules.unused_dependencies),
            "dependencies",
        )
    });
    push_sarif_results(
        sarif_results,
        &results.unused_dev_dependencies,
        snippets,
        |d| {
            sarif_dep_fields(
                &d.dep,
                root,
                "fallow/unused-dev-dependency",
                severity_to_sarif_level(rules.unused_dev_dependencies),
                "devDependencies",
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.unused_optional_dependencies,
        snippets,
        |d| {
            sarif_dep_fields(
                &d.dep,
                root,
                "fallow/unused-optional-dependency",
                severity_to_sarif_level(rules.unused_optional_dependencies),
                "optionalDependencies",
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.type_only_dependencies,
        snippets,
        |d| {
            sarif_type_only_dep_fields(
                &d.dep,
                root,
                severity_to_sarif_level(rules.type_only_dependencies),
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.test_only_dependencies,
        snippets,
        |d| {
            sarif_test_only_dep_fields(
                &d.dep,
                root,
                severity_to_sarif_level(rules.test_only_dependencies),
            )
        },
    );
}

fn push_member_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
    snippets: &mut SourceSnippetCache,
) {
    push_sarif_results(sarif_results, &results.unused_enum_members, snippets, |m| {
        sarif_member_fields(
            &m.member,
            root,
            "fallow/unused-enum-member",
            severity_to_sarif_level(rules.unused_enum_members),
            "Enum",
        )
    });
    push_sarif_results(
        sarif_results,
        &results.unused_class_members,
        snippets,
        |m| {
            sarif_member_fields(
                &m.member,
                root,
                "fallow/unused-class-member",
                severity_to_sarif_level(rules.unused_class_members),
                "Class",
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.unused_store_members,
        snippets,
        |m| {
            sarif_member_fields(
                &m.member,
                root,
                "fallow/unused-store-member",
                severity_to_sarif_level(rules.unused_store_members),
                "Store",
            )
        },
    );
}

fn push_misc_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
    snippets: &mut SourceSnippetCache,
) {
    if !results.unlisted_dependencies.is_empty() {
        push_sarif_unlisted_deps(
            sarif_results,
            &results.unlisted_dependencies,
            root,
            severity_to_sarif_level(rules.unlisted_dependencies),
            snippets,
        );
    }
    if !results.duplicate_exports.is_empty() {
        push_sarif_duplicate_exports(
            sarif_results,
            &results.duplicate_exports,
            root,
            severity_to_sarif_level(rules.duplicate_exports),
            snippets,
        );
    }
}

/// Push the component-contract SARIF results (`unused-component-prop` and
/// `unused-component-emit`). Extracted from `push_graph_sarif_results` to keep
/// that function under the unit-size lint.
fn push_component_contract_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
    snippets: &mut SourceSnippetCache,
) {
    push_sarif_results(
        sarif_results,
        &results.unused_component_props,
        snippets,
        |p| {
            sarif_unused_component_prop_fields(
                &p.prop,
                root,
                severity_to_sarif_level(rules.unused_component_props),
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.unused_component_emits,
        snippets,
        |e| {
            sarif_unused_component_emit_fields(
                &e.emit,
                root,
                severity_to_sarif_level(rules.unused_component_emits),
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.unused_server_actions,
        snippets,
        |a| {
            sarif_unused_server_action_fields(
                &a.action,
                root,
                severity_to_sarif_level(rules.unused_server_actions),
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.unused_load_data_keys,
        snippets,
        |k| {
            sarif_unused_load_data_key_fields(
                &k.key,
                root,
                severity_to_sarif_level(rules.unused_load_data_keys),
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.prop_drilling_chains,
        snippets,
        |c| {
            sarif_prop_drilling_fields(&c.chain, root, severity_to_sarif_level(rules.prop_drilling))
        },
    );
    push_sarif_results(sarif_results, &results.thin_wrappers, snippets, |w| {
        sarif_thin_wrapper_fields(
            &w.wrapper,
            root,
            severity_to_sarif_level(rules.thin_wrapper),
        )
    });
    push_sarif_results(
        sarif_results,
        &results.duplicate_prop_shapes,
        snippets,
        |d| {
            sarif_duplicate_prop_shape_fields(
                &d.shape,
                root,
                severity_to_sarif_level(rules.duplicate_prop_shape),
            )
        },
    );
}

fn push_graph_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
    snippets: &mut SourceSnippetCache,
) {
    push_structure_sarif_results(sarif_results, results, root, rules, snippets);
    push_framework_sarif_results(sarif_results, results, root, rules, snippets);
    push_route_sarif_results(sarif_results, results, root, rules, snippets);
    push_suppression_sarif_results(sarif_results, results, root, rules, snippets);
}

fn push_structure_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
    snippets: &mut SourceSnippetCache,
) {
    push_sarif_results(
        sarif_results,
        &results.circular_dependencies,
        snippets,
        |c| {
            sarif_circular_dep_fields(
                &c.cycle,
                root,
                severity_to_sarif_level(rules.circular_dependencies),
            )
        },
    );
    push_sarif_results(sarif_results, &results.re_export_cycles, snippets, |c| {
        sarif_re_export_cycle_fields(
            &c.cycle,
            root,
            severity_to_sarif_level(rules.re_export_cycle),
        )
    });
    push_sarif_results(sarif_results, &results.boundary_violations, snippets, |v| {
        sarif_boundary_violation_fields(
            &v.violation,
            root,
            severity_to_sarif_level(rules.boundary_violation),
        )
    });
    push_sarif_results(
        sarif_results,
        &results.boundary_coverage_violations,
        snippets,
        |v| {
            sarif_boundary_coverage_fields(
                &v.violation,
                root,
                severity_to_sarif_level(rules.boundary_violation),
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.boundary_call_violations,
        snippets,
        |v| {
            sarif_boundary_call_fields(
                &v.violation,
                root,
                severity_to_sarif_level(rules.boundary_violation),
            )
        },
    );
    push_sarif_results(sarif_results, &results.policy_violations, snippets, |v| {
        sarif_policy_violation_fields(&v.violation, root)
    });
}

fn push_framework_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
    snippets: &mut SourceSnippetCache,
) {
    push_sarif_results(
        sarif_results,
        &results.invalid_client_exports,
        snippets,
        |e| {
            sarif_invalid_client_export_fields(
                &e.export,
                root,
                severity_to_sarif_level(rules.invalid_client_export),
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.mixed_client_server_barrels,
        snippets,
        |b| {
            sarif_mixed_client_server_barrel_fields(
                &b.barrel,
                root,
                severity_to_sarif_level(rules.mixed_client_server_barrel),
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.misplaced_directives,
        snippets,
        |d| {
            sarif_misplaced_directive_fields(
                &d.directive_site,
                root,
                severity_to_sarif_level(rules.misplaced_directive),
            )
        },
    );
    push_sarif_results(sarif_results, &results.unprovided_injects, snippets, |i| {
        sarif_unprovided_inject_fields(
            &i.inject,
            root,
            severity_to_sarif_level(rules.unprovided_injects),
        )
    });
    push_sarif_results(
        sarif_results,
        &results.unrendered_components,
        snippets,
        |c| {
            sarif_unrendered_component_fields(
                &c.component,
                root,
                severity_to_sarif_level(rules.unrendered_components),
            )
        },
    );
    push_component_contract_sarif_results(sarif_results, results, root, rules, snippets);
}

fn push_route_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
    snippets: &mut SourceSnippetCache,
) {
    push_sarif_results(sarif_results, &results.route_collisions, snippets, |c| {
        sarif_route_collision_fields(
            &c.collision,
            root,
            severity_to_sarif_level(rules.route_collision),
        )
    });
    push_sarif_results(
        sarif_results,
        &results.dynamic_segment_name_conflicts,
        snippets,
        |c| {
            sarif_dynamic_segment_name_conflict_fields(
                &c.conflict,
                root,
                severity_to_sarif_level(rules.dynamic_segment_name_conflict),
            )
        },
    );
}

fn push_suppression_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
    snippets: &mut SourceSnippetCache,
) {
    push_sarif_results(sarif_results, &results.stale_suppressions, snippets, |s| {
        sarif_stale_suppression_fields(s, root, severity_to_sarif_level(rules.stale_suppressions))
    });
}

fn push_catalog_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
    snippets: &mut SourceSnippetCache,
) {
    push_sarif_results(
        sarif_results,
        &results.unused_catalog_entries,
        snippets,
        |e| {
            sarif_unused_catalog_entry_fields(
                e,
                root,
                severity_to_sarif_level(rules.unused_catalog_entries),
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.empty_catalog_groups,
        snippets,
        |g| {
            sarif_empty_catalog_group_fields(
                g,
                root,
                severity_to_sarif_level(rules.empty_catalog_groups),
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.unresolved_catalog_references,
        snippets,
        |f| {
            sarif_unresolved_catalog_reference_fields(
                f,
                root,
                severity_to_sarif_level(rules.unresolved_catalog_references),
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.unused_dependency_overrides,
        snippets,
        |f| {
            sarif_unused_dependency_override_fields(
                f,
                root,
                severity_to_sarif_level(rules.unused_dependency_overrides),
            )
        },
    );
    push_sarif_results(
        sarif_results,
        &results.misconfigured_dependency_overrides,
        snippets,
        |f| {
            sarif_misconfigured_dependency_override_fields(
                f,
                root,
                severity_to_sarif_level(rules.misconfigured_dependency_overrides),
            )
        },
    );
}

pub(super) fn print_sarif(results: &AnalysisResults, root: &Path, rules: &RulesConfig) -> ExitCode {
    let sarif = build_sarif(results, root, rules);
    emit_json(&sarif, "SARIF")
}

/// Print SARIF output with owner properties added to each result.
///
/// Calls `build_sarif` to produce the standard SARIF JSON, then post-processes
/// each result to add `"properties": { "owner": "@team" }` by resolving the
/// artifact location URI through the `OwnershipResolver`.
#[expect(
    clippy::expect_used,
    reason = "grouped SARIF entries are JSON objects created by build_sarif"
)]
pub(super) fn print_grouped_sarif(
    results: &AnalysisResults,
    root: &Path,
    rules: &RulesConfig,
    resolver: &OwnershipResolver,
) -> ExitCode {
    let mut sarif = build_sarif(results, root, rules);

    if let Some(runs) = sarif.get_mut("runs").and_then(|r| r.as_array_mut()) {
        for run in runs {
            if let Some(results) = run.get_mut("results").and_then(|r| r.as_array_mut()) {
                for result in results {
                    let uri = result
                        .pointer("/locations/0/physicalLocation/artifactLocation/uri")
                        .and_then(|v| v.as_str())
                        .unwrap_or("");
                    let decoded = uri.replace("%5B", "[").replace("%5D", "]");
                    let owner =
                        grouping::resolve_owner(Path::new(&decoded), Path::new(""), resolver);
                    let props = result
                        .as_object_mut()
                        .expect("SARIF result should be an object")
                        .entry("properties")
                        .or_insert_with(|| serde_json::json!({}));
                    props
                        .as_object_mut()
                        .expect("properties should be an object")
                        .insert("owner".to_string(), serde_json::Value::String(owner));
                }
            }
        }
    }

    emit_json(&sarif, "SARIF")
}

#[expect(
    clippy::cast_possible_truncation,
    reason = "line/col numbers are bounded by source size"
)]
pub(super) fn print_duplication_sarif(report: &DuplicationReport, root: &Path) -> ExitCode {
    let mut sarif_results = Vec::new();
    let mut snippets = SourceSnippetCache::default();

    for (i, group) in report.clone_groups.iter().enumerate() {
        for instance in &group.instances {
            let uri = relative_uri(&instance.file, root);
            let source_snippet = snippets.line(&instance.file, instance.start_line as u32);
            sarif_results.push(sarif_result_with_snippet(
                "fallow/code-duplication",
                "warning",
                &format!(
                    "Code clone group {} ({} lines, {} instances)",
                    i + 1,
                    group.line_count,
                    group.instances.len()
                ),
                &uri,
                Some((instance.start_line as u32, (instance.start_col + 1) as u32)),
                source_snippet.as_deref(),
            ));
        }
    }

    let sarif = serde_json::json!({
        "$schema": "https://json.schemastore.org/sarif-2.1.0.json",
        "version": "2.1.0",
        "runs": [{
            "tool": {
                "driver": {
                    "name": "fallow",
                    "version": env!("CARGO_PKG_VERSION"),
                    "informationUri": "https://github.com/fallow-rs/fallow",
                    "rules": [sarif_rule("fallow/code-duplication", "Duplicated code block", "warning")]
                }
            },
            "results": sarif_results
        }]
    });

    emit_json(&sarif, "SARIF")
}

/// Print SARIF duplication output with a `properties.group` tag on every
/// result.
///
/// Each clone group is attributed to its largest owner (most instances; ties
/// broken alphabetically) via [`super::dupes_grouping::largest_owner`], and
/// every result emitted for that group's instances carries the same
/// `properties.group` value. This mirrors the health SARIF convention
/// (`print_grouped_health_sarif`) so consumers (GitHub Code Scanning, GitLab
/// Code Quality) can partition findings per team / package / directory
/// without re-resolving ownership.
#[expect(
    clippy::cast_possible_truncation,
    reason = "line/col numbers are bounded by source size"
)]
#[expect(
    clippy::expect_used,
    reason = "duplication SARIF entries are JSON objects created by sarif_result_with_snippet"
)]
pub(super) fn print_grouped_duplication_sarif(
    report: &DuplicationReport,
    root: &Path,
    resolver: &OwnershipResolver,
) -> ExitCode {
    let mut sarif_results = Vec::new();
    let mut snippets = SourceSnippetCache::default();

    for (i, group) in report.clone_groups.iter().enumerate() {
        let primary_owner = super::dupes_grouping::largest_owner(group, root, resolver);
        for instance in &group.instances {
            let uri = relative_uri(&instance.file, root);
            let source_snippet = snippets.line(&instance.file, instance.start_line as u32);
            let mut result = sarif_result_with_snippet(
                "fallow/code-duplication",
                "warning",
                &format!(
                    "Code clone group {} ({} lines, {} instances)",
                    i + 1,
                    group.line_count,
                    group.instances.len()
                ),
                &uri,
                Some((instance.start_line as u32, (instance.start_col + 1) as u32)),
                source_snippet.as_deref(),
            );
            let props = result
                .as_object_mut()
                .expect("SARIF result should be an object")
                .entry("properties")
                .or_insert_with(|| serde_json::json!({}));
            props
                .as_object_mut()
                .expect("properties should be an object")
                .insert(
                    "group".to_string(),
                    serde_json::Value::String(primary_owner.clone()),
                );
            sarif_results.push(result);
        }
    }

    let sarif = serde_json::json!({
        "$schema": "https://json.schemastore.org/sarif-2.1.0.json",
        "version": "2.1.0",
        "runs": [{
            "tool": {
                "driver": {
                    "name": "fallow",
                    "version": env!("CARGO_PKG_VERSION"),
                    "informationUri": "https://github.com/fallow-rs/fallow",
                    "rules": [sarif_rule("fallow/code-duplication", "Duplicated code block", "warning")]
                }
            },
            "results": sarif_results
        }]
    });

    emit_json(&sarif, "SARIF")
}

#[must_use]
pub fn build_health_sarif(
    report: &crate::health_types::HealthReport,
    root: &Path,
) -> serde_json::Value {
    let mut sarif_results = Vec::new();
    let mut snippets = SourceSnippetCache::default();

    append_health_sarif_results(report, root, &mut sarif_results, &mut snippets);
    let health_rules = health_sarif_rules();
    health_sarif_document(&sarif_results, &health_rules)
}

fn append_health_sarif_results(
    report: &crate::health_types::HealthReport,
    root: &Path,
    sarif_results: &mut Vec<serde_json::Value>,
    snippets: &mut SourceSnippetCache,
) {
    append_complexity_sarif_results(sarif_results, report, root, snippets);

    if let Some(ref production) = report.runtime_coverage {
        append_runtime_coverage_sarif_results(sarif_results, production, root, snippets);
    }
    if let Some(ref intelligence) = report.coverage_intelligence {
        append_coverage_intelligence_sarif_results(sarif_results, intelligence, root, snippets);
    }

    append_refactoring_target_sarif_results(sarif_results, report, root);
    append_coverage_gap_sarif_results(sarif_results, report, root, snippets);
}

fn health_sarif_rules() -> Vec<serde_json::Value> {
    let mut rules = health_complexity_sarif_rules();
    rules.extend(health_runtime_sarif_rules());
    rules.extend(health_coverage_intelligence_sarif_rules());
    rules
}

fn health_complexity_sarif_rules() -> Vec<serde_json::Value> {
    vec![
        sarif_rule(
            "fallow/high-cyclomatic-complexity",
            "Function has high cyclomatic complexity",
            "note",
        ),
        sarif_rule(
            "fallow/high-cognitive-complexity",
            "Function has high cognitive complexity",
            "note",
        ),
        sarif_rule(
            "fallow/high-complexity",
            "Function exceeds both complexity thresholds",
            "note",
        ),
        sarif_rule(
            "fallow/high-crap-score",
            "Function has a high CRAP score (high complexity combined with low coverage)",
            "warning",
        ),
        sarif_rule(
            "fallow/refactoring-target",
            "File identified as a high-priority refactoring candidate",
            "warning",
        ),
    ]
}

fn health_runtime_sarif_rules() -> Vec<serde_json::Value> {
    vec![
        sarif_rule(
            "fallow/untested-file",
            "Runtime-reachable file has no test dependency path",
            "warning",
        ),
        sarif_rule(
            "fallow/untested-export",
            "Runtime-reachable export has no test dependency path",
            "warning",
        ),
        sarif_rule(
            "fallow/runtime-safe-to-delete",
            "Function is statically unused and was never invoked in production",
            "warning",
        ),
        sarif_rule(
            "fallow/runtime-review-required",
            "Function is statically used but was never invoked in production",
            "warning",
        ),
        sarif_rule(
            "fallow/runtime-low-traffic",
            "Function was invoked below the low-traffic threshold relative to total trace count",
            "note",
        ),
        sarif_rule(
            "fallow/runtime-coverage-unavailable",
            "Runtime coverage could not be resolved for this function",
            "note",
        ),
        sarif_rule(
            "fallow/runtime-coverage",
            "Runtime coverage finding",
            "note",
        ),
    ]
}

fn health_coverage_intelligence_sarif_rules() -> Vec<serde_json::Value> {
    vec![
        sarif_rule(
            "fallow/coverage-intelligence-risky-change",
            "Changed hot path combines high CRAP and low test coverage",
            "warning",
        ),
        sarif_rule(
            "fallow/coverage-intelligence-delete",
            "Static and runtime evidence indicate code can be deleted",
            "warning",
        ),
        sarif_rule(
            "fallow/coverage-intelligence-review",
            "Cold reachable uncovered code needs owner review",
            "warning",
        ),
        sarif_rule(
            "fallow/coverage-intelligence-refactor",
            "Hot covered code has high CRAP and should be refactored carefully",
            "warning",
        ),
    ]
}

fn health_sarif_document(
    sarif_results: &[serde_json::Value],
    health_rules: &[serde_json::Value],
) -> serde_json::Value {
    serde_json::json!({
        "$schema": "https://json.schemastore.org/sarif-2.1.0.json",
        "version": "2.1.0",
        "runs": [{
            "tool": {
                "driver": {
                    "name": "fallow",
                    "version": env!("CARGO_PKG_VERSION"),
                    "informationUri": "https://github.com/fallow-rs/fallow",
                    "rules": health_rules
                }
            },
            "results": sarif_results
        }]
    })
}

fn append_complexity_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    report: &crate::health_types::HealthReport,
    root: &Path,
    snippets: &mut SourceSnippetCache,
) {
    for finding in &report.findings {
        let uri = relative_uri(&finding.path, root);
        let (rule_id, message) = health_complexity_sarif_message(finding, report);
        let level = match finding.severity {
            crate::health_types::FindingSeverity::Critical => "error",
            crate::health_types::FindingSeverity::High => "warning",
            crate::health_types::FindingSeverity::Moderate => "note",
        };
        let source_snippet = snippets.line(&finding.path, finding.line);
        sarif_results.push(sarif_result_with_snippet(
            rule_id,
            level,
            &message,
            &uri,
            Some((finding.line, finding.col + 1)),
            source_snippet.as_deref(),
        ));
    }
}

fn health_complexity_sarif_message(
    finding: &crate::health_types::ComplexityViolation,
    report: &crate::health_types::HealthReport,
) -> (&'static str, String) {
    match finding.exceeded {
        crate::health_types::ExceededThreshold::Cyclomatic => (
            "fallow/high-cyclomatic-complexity",
            format!(
                "'{}' has cyclomatic complexity {} (threshold: {})",
                finding.name, finding.cyclomatic, report.summary.max_cyclomatic_threshold,
            ),
        ),
        crate::health_types::ExceededThreshold::Cognitive => (
            "fallow/high-cognitive-complexity",
            format!(
                "'{}' has cognitive complexity {} (threshold: {})",
                finding.name, finding.cognitive, report.summary.max_cognitive_threshold,
            ),
        ),
        crate::health_types::ExceededThreshold::Both => (
            "fallow/high-complexity",
            format!(
                "'{}' has cyclomatic complexity {} (threshold: {}) and cognitive complexity {} (threshold: {})",
                finding.name,
                finding.cyclomatic,
                report.summary.max_cyclomatic_threshold,
                finding.cognitive,
                report.summary.max_cognitive_threshold,
            ),
        ),
        crate::health_types::ExceededThreshold::Crap
        | crate::health_types::ExceededThreshold::CyclomaticCrap
        | crate::health_types::ExceededThreshold::CognitiveCrap
        | crate::health_types::ExceededThreshold::All => {
            let crap = finding.crap.unwrap_or(0.0);
            let coverage = finding
                .coverage_pct
                .map(|pct| format!(", coverage {pct:.0}%"))
                .unwrap_or_default();
            (
                "fallow/high-crap-score",
                format!(
                    "'{}' has CRAP score {:.1} (threshold: {:.1}, cyclomatic {}{})",
                    finding.name,
                    crap,
                    report.summary.max_crap_threshold,
                    finding.cyclomatic,
                    coverage,
                ),
            )
        }
    }
}

fn append_refactoring_target_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    report: &crate::health_types::HealthReport,
    root: &Path,
) {
    for target in &report.targets {
        let uri = relative_uri(&target.path, root);
        let message = format!(
            "[{}] {} (priority: {:.1}, efficiency: {:.1}, effort: {}, confidence: {})",
            target.category.label(),
            target.recommendation,
            target.priority,
            target.efficiency,
            target.effort.label(),
            target.confidence.label(),
        );
        sarif_results.push(sarif_result(
            "fallow/refactoring-target",
            "warning",
            &message,
            &uri,
            None,
        ));
    }
}

fn append_coverage_gap_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    report: &crate::health_types::HealthReport,
    root: &Path,
    snippets: &mut SourceSnippetCache,
) {
    let Some(ref gaps) = report.coverage_gaps else {
        return;
    };
    for item in &gaps.files {
        let uri = relative_uri(&item.file.path, root);
        let message = format!(
            "File is runtime-reachable but has no test dependency path ({} value export{})",
            item.file.value_export_count,
            if item.file.value_export_count == 1 {
                ""
            } else {
                "s"
            },
        );
        sarif_results.push(sarif_result(
            "fallow/untested-file",
            "warning",
            &message,
            &uri,
            None,
        ));
    }

    for item in &gaps.exports {
        let uri = relative_uri(&item.export.path, root);
        let message = format!(
            "Export '{}' is runtime-reachable but never referenced by test-reachable modules",
            item.export.export_name
        );
        let source_snippet = snippets.line(&item.export.path, item.export.line);
        sarif_results.push(sarif_result_with_snippet(
            "fallow/untested-export",
            "warning",
            &message,
            &uri,
            Some((item.export.line, item.export.col + 1)),
            source_snippet.as_deref(),
        ));
    }
}

fn append_runtime_coverage_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    production: &crate::health_types::RuntimeCoverageReport,
    root: &Path,
    snippets: &mut SourceSnippetCache,
) {
    for finding in &production.findings {
        let uri = relative_uri(&finding.path, root);
        let rule_id = match finding.verdict {
            crate::health_types::RuntimeCoverageVerdict::SafeToDelete => {
                "fallow/runtime-safe-to-delete"
            }
            crate::health_types::RuntimeCoverageVerdict::ReviewRequired => {
                "fallow/runtime-review-required"
            }
            crate::health_types::RuntimeCoverageVerdict::LowTraffic => "fallow/runtime-low-traffic",
            crate::health_types::RuntimeCoverageVerdict::CoverageUnavailable => {
                "fallow/runtime-coverage-unavailable"
            }
            crate::health_types::RuntimeCoverageVerdict::Active
            | crate::health_types::RuntimeCoverageVerdict::Unknown => "fallow/runtime-coverage",
        };
        let level = match finding.verdict {
            crate::health_types::RuntimeCoverageVerdict::SafeToDelete
            | crate::health_types::RuntimeCoverageVerdict::ReviewRequired => "warning",
            _ => "note",
        };
        let invocations_hint = finding.invocations.map_or_else(
            || "untracked".to_owned(),
            |hits| format!("{hits} invocations"),
        );
        let message = format!(
            "'{}' runtime coverage verdict: {} ({})",
            finding.function,
            finding.verdict.human_label(),
            invocations_hint,
        );
        let source_snippet = snippets.line(&finding.path, finding.line);
        sarif_results.push(sarif_result_with_snippet(
            rule_id,
            level,
            &message,
            &uri,
            Some((finding.line, 1)),
            source_snippet.as_deref(),
        ));
    }
}

fn append_coverage_intelligence_sarif_results(
    sarif_results: &mut Vec<serde_json::Value>,
    intelligence: &crate::health_types::CoverageIntelligenceReport,
    root: &Path,
    snippets: &mut SourceSnippetCache,
) {
    for finding in &intelligence.findings {
        let rule_id = coverage_intelligence_rule_id(finding.recommendation);
        let level = match finding.verdict {
            crate::health_types::CoverageIntelligenceVerdict::Clean
            | crate::health_types::CoverageIntelligenceVerdict::Unknown => continue,
            _ => "warning",
        };
        let uri = relative_uri(&finding.path, root);
        let identity = finding.identity.as_deref().unwrap_or("code");
        let signals = finding
            .signals
            .iter()
            .map(ToString::to_string)
            .collect::<Vec<_>>()
            .join(", ");
        let message = format!(
            "'{}' coverage intelligence verdict: {} ({}, signals: {})",
            identity, finding.verdict, finding.recommendation, signals,
        );
        let source_snippet = snippets.line(&finding.path, finding.line);
        let mut result = sarif_result_with_snippet(
            rule_id,
            level,
            &message,
            &uri,
            Some((finding.line, 1)),
            source_snippet.as_deref(),
        );
        result["properties"] = serde_json::json!({
            "coverage_intelligence_id": &finding.id,
            "verdict": finding.verdict,
            "recommendation": finding.recommendation,
            "confidence": finding.confidence,
            "signals": &finding.signals,
            "related_ids": &finding.related_ids,
        });
        sarif_results.push(result);
    }
}

fn coverage_intelligence_rule_id(
    recommendation: crate::health_types::CoverageIntelligenceRecommendation,
) -> &'static str {
    match recommendation {
        crate::health_types::CoverageIntelligenceRecommendation::AddTestOrSplitBeforeMerge => {
            "fallow/coverage-intelligence-risky-change"
        }
        crate::health_types::CoverageIntelligenceRecommendation::DeleteAfterConfirmingOwner => {
            "fallow/coverage-intelligence-delete"
        }
        crate::health_types::CoverageIntelligenceRecommendation::ReviewBeforeChanging => {
            "fallow/coverage-intelligence-review"
        }
        crate::health_types::CoverageIntelligenceRecommendation::RefactorCarefullyKeepBehavior => {
            "fallow/coverage-intelligence-refactor"
        }
    }
}

pub(super) fn print_health_sarif(
    report: &crate::health_types::HealthReport,
    root: &Path,
) -> ExitCode {
    let sarif = build_health_sarif(report, root);
    emit_json(&sarif, "SARIF")
}

/// Print health SARIF with a per-result `properties.group` tag.
///
/// Mirrors the dead-code grouped SARIF pattern (`print_grouped_sarif`):
/// build the standard SARIF first, then post-process each result to inject
/// the resolver-derived group key on `properties.group`. Consumers that read
/// SARIF (GitHub Code Scanning, GitLab Code Quality) can then partition
/// findings per team / package / directory without dropping out of the
/// SARIF pipeline. Each finding's URI is decoded (`%5B` -> `[`, `%5D` -> `]`)
/// before resolution, matching the dead-code behaviour for paths containing
/// brackets like Next.js dynamic routes.
#[expect(
    clippy::expect_used,
    reason = "grouped health SARIF entries are JSON objects created by build_health_sarif"
)]
pub(super) fn print_grouped_health_sarif(
    report: &crate::health_types::HealthReport,
    root: &Path,
    resolver: &OwnershipResolver,
) -> ExitCode {
    let mut sarif = build_health_sarif(report, root);

    if let Some(runs) = sarif.get_mut("runs").and_then(|r| r.as_array_mut()) {
        for run in runs {
            if let Some(results) = run.get_mut("results").and_then(|r| r.as_array_mut()) {
                for result in results {
                    let uri = result
                        .pointer("/locations/0/physicalLocation/artifactLocation/uri")
                        .and_then(|v| v.as_str())
                        .unwrap_or("");
                    let decoded = uri.replace("%5B", "[").replace("%5D", "]");
                    let group =
                        grouping::resolve_owner(Path::new(&decoded), Path::new(""), resolver);
                    let props = result
                        .as_object_mut()
                        .expect("SARIF result should be an object")
                        .entry("properties")
                        .or_insert_with(|| serde_json::json!({}));
                    props
                        .as_object_mut()
                        .expect("properties should be an object")
                        .insert("group".to_string(), serde_json::Value::String(group));
                }
            }
        }
    }

    emit_json(&sarif, "SARIF")
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::report::test_helpers::sample_results;
    use fallow_core::results::*;
    use std::path::PathBuf;

    #[test]
    fn sarif_has_required_top_level_fields() {
        let root = PathBuf::from("/project");
        let results = AnalysisResults::default();
        let sarif = build_sarif(&results, &root, &RulesConfig::default());

        assert_eq!(
            sarif["$schema"],
            "https://json.schemastore.org/sarif-2.1.0.json"
        );
        assert_eq!(sarif["version"], "2.1.0");
        assert!(sarif["runs"].is_array());
    }

    #[test]
    fn sarif_has_tool_driver_info() {
        let root = PathBuf::from("/project");
        let results = AnalysisResults::default();
        let sarif = build_sarif(&results, &root, &RulesConfig::default());

        let driver = &sarif["runs"][0]["tool"]["driver"];
        assert_eq!(driver["name"], "fallow");
        assert!(driver["version"].is_string());
        assert_eq!(
            driver["informationUri"],
            "https://github.com/fallow-rs/fallow"
        );
    }

    #[test]
    fn sarif_declares_all_rules() {
        let root = PathBuf::from("/project");
        let results = AnalysisResults::default();
        let sarif = build_sarif(&results, &root, &RulesConfig::default());

        let rules = sarif["runs"][0]["tool"]["driver"]["rules"]
            .as_array()
            .expect("rules should be an array");
        assert_eq!(rules.len(), 41);

        let rule_ids: Vec<&str> = rules.iter().map(|r| r["id"].as_str().unwrap()).collect();
        assert!(rule_ids.contains(&"fallow/duplicate-prop-shape"));
        assert!(rule_ids.contains(&"fallow/thin-wrapper"));
        assert!(rule_ids.contains(&"fallow/unrendered-component"));
        assert!(rule_ids.contains(&"fallow/unused-component-prop"));
        assert!(rule_ids.contains(&"fallow/unused-component-emit"));
        assert!(rule_ids.contains(&"fallow/unused-server-action"));
        assert!(rule_ids.contains(&"fallow/unused-load-data-key"));
        assert!(rule_ids.contains(&"fallow/prop-drilling"));
        assert!(rule_ids.contains(&"fallow/route-collision"));
        assert!(rule_ids.contains(&"fallow/dynamic-segment-name-conflict"));
        assert!(rule_ids.contains(&"fallow/unused-file"));
        assert!(rule_ids.contains(&"fallow/unused-export"));
        assert!(rule_ids.contains(&"fallow/unused-type"));
        assert!(rule_ids.contains(&"fallow/private-type-leak"));
        assert!(rule_ids.contains(&"fallow/unused-dependency"));
        assert!(rule_ids.contains(&"fallow/unused-dev-dependency"));
        assert!(rule_ids.contains(&"fallow/unused-optional-dependency"));
        assert!(rule_ids.contains(&"fallow/type-only-dependency"));
        assert!(rule_ids.contains(&"fallow/test-only-dependency"));
        assert!(rule_ids.contains(&"fallow/unused-enum-member"));
        assert!(rule_ids.contains(&"fallow/unused-class-member"));
        assert!(rule_ids.contains(&"fallow/unused-store-member"));
        assert!(rule_ids.contains(&"fallow/unresolved-import"));
        assert!(rule_ids.contains(&"fallow/unlisted-dependency"));
        assert!(rule_ids.contains(&"fallow/duplicate-export"));
        assert!(rule_ids.contains(&"fallow/circular-dependency"));
        assert!(rule_ids.contains(&"fallow/re-export-cycle"));
        assert!(rule_ids.contains(&"fallow/boundary-violation"));
        assert!(rule_ids.contains(&"fallow/boundary-coverage"));
        assert!(rule_ids.contains(&"fallow/boundary-call-violation"));
        assert!(rule_ids.contains(&"fallow/policy-violation"));
        assert!(rule_ids.contains(&"fallow/unused-catalog-entry"));
        assert!(rule_ids.contains(&"fallow/empty-catalog-group"));
        assert!(rule_ids.contains(&"fallow/unresolved-catalog-reference"));
        assert!(rule_ids.contains(&"fallow/unused-dependency-override"));
        assert!(rule_ids.contains(&"fallow/misconfigured-dependency-override"));
        assert!(rule_ids.contains(&"fallow/invalid-client-export"));
        assert!(rule_ids.contains(&"fallow/mixed-client-server-barrel"));
        assert!(rule_ids.contains(&"fallow/misplaced-directive"));
        assert!(rule_ids.contains(&"fallow/unprovided-inject"));
    }

    #[test]
    fn sarif_empty_results_no_results_entries() {
        let root = PathBuf::from("/project");
        let results = AnalysisResults::default();
        let sarif = build_sarif(&results, &root, &RulesConfig::default());

        let sarif_results = sarif["runs"][0]["results"]
            .as_array()
            .expect("results should be an array");
        assert!(sarif_results.is_empty());
    }

    #[test]
    fn sarif_unused_file_result() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unused_files
            .push(UnusedFileFinding::with_actions(UnusedFile {
                path: root.join("src/dead.ts"),
            }));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entries = sarif["runs"][0]["results"].as_array().unwrap();
        assert_eq!(entries.len(), 1);

        let entry = &entries[0];
        assert_eq!(entry["ruleId"], "fallow/unused-file");
        assert_eq!(entry["level"], "error");
        assert_eq!(
            entry["locations"][0]["physicalLocation"]["artifactLocation"]["uri"],
            "src/dead.ts"
        );
    }

    #[test]
    fn sarif_unused_export_includes_region() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unused_exports
            .push(UnusedExportFinding::with_actions(UnusedExport {
                path: root.join("src/utils.ts"),
                export_name: "helperFn".to_string(),
                is_type_only: false,
                line: 10,
                col: 4,
                span_start: 120,
                is_re_export: false,
            }));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["ruleId"], "fallow/unused-export");

        let region = &entry["locations"][0]["physicalLocation"]["region"];
        assert_eq!(region["startLine"], 10);
        assert_eq!(region["startColumn"], 5);
    }

    #[test]
    fn sarif_unresolved_import_is_error_level() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unresolved_imports
            .push(UnresolvedImportFinding::with_actions(UnresolvedImport {
                path: root.join("src/app.ts"),
                specifier: "./missing".to_string(),
                line: 1,
                col: 0,
                specifier_col: 0,
            }));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["ruleId"], "fallow/unresolved-import");
        assert_eq!(entry["level"], "error");
    }

    #[test]
    fn sarif_unlisted_dependency_points_to_import_site() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unlisted_dependencies
            .push(UnlistedDependencyFinding::with_actions(
                UnlistedDependency {
                    package_name: "chalk".to_string(),
                    imported_from: vec![ImportSite {
                        path: root.join("src/cli.ts"),
                        line: 3,
                        col: 0,
                    }],
                },
            ));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["ruleId"], "fallow/unlisted-dependency");
        assert_eq!(entry["level"], "error");
        assert_eq!(
            entry["locations"][0]["physicalLocation"]["artifactLocation"]["uri"],
            "src/cli.ts"
        );
        let region = &entry["locations"][0]["physicalLocation"]["region"];
        assert_eq!(region["startLine"], 3);
        assert_eq!(region["startColumn"], 1);
    }

    #[test]
    fn sarif_dependency_issues_point_to_package_json() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unused_dependencies
            .push(UnusedDependencyFinding::with_actions(UnusedDependency {
                package_name: "lodash".to_string(),
                location: DependencyLocation::Dependencies,
                path: root.join("package.json"),
                line: 5,
                used_in_workspaces: Vec::new(),
            }));
        results
            .unused_dev_dependencies
            .push(UnusedDevDependencyFinding::with_actions(UnusedDependency {
                package_name: "jest".to_string(),
                location: DependencyLocation::DevDependencies,
                path: root.join("package.json"),
                line: 5,
                used_in_workspaces: Vec::new(),
            }));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entries = sarif["runs"][0]["results"].as_array().unwrap();
        for entry in entries {
            assert_eq!(
                entry["locations"][0]["physicalLocation"]["artifactLocation"]["uri"],
                "package.json"
            );
        }
    }

    #[test]
    fn sarif_duplicate_export_emits_one_result_per_location() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .duplicate_exports
            .push(DuplicateExportFinding::with_actions(DuplicateExport {
                export_name: "Config".to_string(),
                locations: vec![
                    DuplicateLocation {
                        path: root.join("src/a.ts"),
                        line: 15,
                        col: 0,
                    },
                    DuplicateLocation {
                        path: root.join("src/b.ts"),
                        line: 30,
                        col: 0,
                    },
                ],
            }));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entries = sarif["runs"][0]["results"].as_array().unwrap();
        assert_eq!(entries.len(), 2);
        assert_eq!(entries[0]["ruleId"], "fallow/duplicate-export");
        assert_eq!(entries[1]["ruleId"], "fallow/duplicate-export");
        assert_eq!(
            entries[0]["locations"][0]["physicalLocation"]["artifactLocation"]["uri"],
            "src/a.ts"
        );
        assert_eq!(
            entries[1]["locations"][0]["physicalLocation"]["artifactLocation"]["uri"],
            "src/b.ts"
        );
    }

    #[test]
    fn sarif_all_issue_types_produce_results() {
        let root = PathBuf::from("/project");
        let results = sample_results(&root);
        let sarif = build_sarif(&results, &root, &RulesConfig::default());

        let entries = sarif["runs"][0]["results"].as_array().unwrap();
        assert_eq!(entries.len(), results.total_issues() + 1);

        let rule_ids: Vec<&str> = entries
            .iter()
            .map(|e| e["ruleId"].as_str().unwrap())
            .collect();
        assert!(rule_ids.contains(&"fallow/unused-file"));
        assert!(rule_ids.contains(&"fallow/unused-export"));
        assert!(rule_ids.contains(&"fallow/unused-type"));
        assert!(rule_ids.contains(&"fallow/unused-dependency"));
        assert!(rule_ids.contains(&"fallow/unused-dev-dependency"));
        assert!(rule_ids.contains(&"fallow/unused-optional-dependency"));
        assert!(rule_ids.contains(&"fallow/type-only-dependency"));
        assert!(rule_ids.contains(&"fallow/test-only-dependency"));
        assert!(rule_ids.contains(&"fallow/unused-enum-member"));
        assert!(rule_ids.contains(&"fallow/unused-class-member"));
        assert!(rule_ids.contains(&"fallow/unused-store-member"));
        assert!(rule_ids.contains(&"fallow/unresolved-import"));
        assert!(rule_ids.contains(&"fallow/unlisted-dependency"));
        assert!(rule_ids.contains(&"fallow/duplicate-export"));
        assert!(rule_ids.contains(&"fallow/unprovided-inject"));
    }

    #[test]
    fn sarif_serializes_to_valid_json() {
        let root = PathBuf::from("/project");
        let results = sample_results(&root);
        let sarif = build_sarif(&results, &root, &RulesConfig::default());

        let json_str = serde_json::to_string_pretty(&sarif).expect("SARIF should serialize");
        let reparsed: serde_json::Value =
            serde_json::from_str(&json_str).expect("SARIF output should be valid JSON");
        assert_eq!(reparsed, sarif);
    }

    #[test]
    fn sarif_file_write_produces_valid_sarif() {
        let root = PathBuf::from("/project");
        let results = sample_results(&root);
        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let json_str = serde_json::to_string_pretty(&sarif).expect("SARIF should serialize");

        let dir = std::env::temp_dir().join("fallow-test-sarif-file");
        let _ = std::fs::create_dir_all(&dir);
        let sarif_path = dir.join("results.sarif");
        std::fs::write(&sarif_path, &json_str).expect("should write SARIF file");

        let contents = std::fs::read_to_string(&sarif_path).expect("should read SARIF file");
        let parsed: serde_json::Value =
            serde_json::from_str(&contents).expect("file should contain valid JSON");

        assert_eq!(parsed["version"], "2.1.0");
        assert_eq!(
            parsed["$schema"],
            "https://json.schemastore.org/sarif-2.1.0.json"
        );
        let sarif_results = parsed["runs"][0]["results"]
            .as_array()
            .expect("results should be an array");
        assert!(!sarif_results.is_empty());

        let _ = std::fs::remove_file(&sarif_path);
        let _ = std::fs::remove_dir(&dir);
    }

    #[test]
    fn health_sarif_empty_no_results() {
        let root = PathBuf::from("/project");
        let report = crate::health_types::HealthReport {
            summary: crate::health_types::HealthSummary {
                files_analyzed: 10,
                functions_analyzed: 50,
                ..Default::default()
            },
            ..Default::default()
        };
        let sarif = build_health_sarif(&report, &root);
        assert_eq!(sarif["version"], "2.1.0");
        let results = sarif["runs"][0]["results"].as_array().unwrap();
        assert!(results.is_empty());
        let rules = sarif["runs"][0]["tool"]["driver"]["rules"]
            .as_array()
            .unwrap();
        assert_eq!(rules.len(), 16);
    }

    #[test]
    fn health_sarif_coverage_intelligence_preserves_structured_properties() {
        use crate::health_types::{
            CoverageIntelligenceAction, CoverageIntelligenceConfidence,
            CoverageIntelligenceEvidence, CoverageIntelligenceFinding,
            CoverageIntelligenceMatchConfidence, CoverageIntelligenceRecommendation,
            CoverageIntelligenceReport, CoverageIntelligenceSchemaVersion,
            CoverageIntelligenceSignal, CoverageIntelligenceSummary, CoverageIntelligenceVerdict,
            HealthReport, HealthSummary,
        };

        let root = PathBuf::from("/project");
        let report = HealthReport {
            summary: HealthSummary {
                files_analyzed: 10,
                functions_analyzed: 50,
                ..Default::default()
            },
            coverage_intelligence: Some(CoverageIntelligenceReport {
                schema_version: CoverageIntelligenceSchemaVersion::V1,
                verdict: CoverageIntelligenceVerdict::HighConfidenceDelete,
                summary: CoverageIntelligenceSummary {
                    findings: 1,
                    high_confidence_deletes: 1,
                    ..Default::default()
                },
                findings: vec![CoverageIntelligenceFinding {
                    id: "fallow:coverage-intel:abc123".to_owned(),
                    path: root.join("src/dead.ts"),
                    identity: Some("deadPath".to_owned()),
                    line: 9,
                    verdict: CoverageIntelligenceVerdict::HighConfidenceDelete,
                    signals: vec![CoverageIntelligenceSignal::RuntimeCold],
                    recommendation: CoverageIntelligenceRecommendation::DeleteAfterConfirmingOwner,
                    confidence: CoverageIntelligenceConfidence::High,
                    related_ids: vec!["fallow:prod:deadbeef".to_owned()],
                    evidence: CoverageIntelligenceEvidence {
                        match_confidence: CoverageIntelligenceMatchConfidence::Direct,
                        ..Default::default()
                    },
                    actions: vec![CoverageIntelligenceAction {
                        kind: "delete-after-confirming-owner".to_owned(),
                        description: "Confirm ownership".to_owned(),
                        auto_fixable: false,
                    }],
                }],
            }),
            ..Default::default()
        };

        let sarif = build_health_sarif(&report, &root);
        let result = &sarif["runs"][0]["results"][0];
        assert_eq!(result["ruleId"], "fallow/coverage-intelligence-delete");
        assert_eq!(
            result["properties"]["coverage_intelligence_id"],
            "fallow:coverage-intel:abc123"
        );
        assert_eq!(
            result["properties"]["recommendation"],
            "delete-after-confirming-owner"
        );
        assert_eq!(result["properties"]["confidence"], "high");
        assert_eq!(result["properties"]["signals"][0], "runtime_cold");
        assert_eq!(
            result["properties"]["related_ids"][0],
            "fallow:prod:deadbeef"
        );
    }

    #[test]
    fn health_sarif_cyclomatic_only() {
        let root = PathBuf::from("/project");
        let report = crate::health_types::HealthReport {
            findings: vec![
                crate::health_types::ComplexityViolation {
                    path: root.join("src/utils.ts"),
                    name: "parseExpression".to_string(),
                    line: 42,
                    col: 0,
                    cyclomatic: 25,
                    cognitive: 10,
                    line_count: 80,
                    param_count: 0,
                    react_hook_count: 0,
                    react_jsx_max_depth: 0,
                    react_prop_count: 0,
                    react_hook_profile: None,
                    exceeded: crate::health_types::ExceededThreshold::Cyclomatic,
                    severity: crate::health_types::FindingSeverity::High,
                    crap: None,
                    coverage_pct: None,
                    coverage_tier: None,
                    coverage_source: None,
                    inherited_from: None,
                    component_rollup: None,
                    contributions: Vec::new(),
                    effective_thresholds: None,
                    threshold_source: None,
                }
                .into(),
            ],
            summary: crate::health_types::HealthSummary {
                files_analyzed: 5,
                functions_analyzed: 20,
                functions_above_threshold: 1,
                ..Default::default()
            },
            ..Default::default()
        };
        let sarif = build_health_sarif(&report, &root);
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["ruleId"], "fallow/high-cyclomatic-complexity");
        assert_eq!(entry["level"], "warning");
        assert!(
            entry["message"]["text"]
                .as_str()
                .unwrap()
                .contains("cyclomatic complexity 25")
        );
        assert_eq!(
            entry["locations"][0]["physicalLocation"]["artifactLocation"]["uri"],
            "src/utils.ts"
        );
        let region = &entry["locations"][0]["physicalLocation"]["region"];
        assert_eq!(region["startLine"], 42);
        assert_eq!(region["startColumn"], 1);
    }

    #[test]
    fn health_sarif_cognitive_only() {
        let root = PathBuf::from("/project");
        let report = crate::health_types::HealthReport {
            findings: vec![
                crate::health_types::ComplexityViolation {
                    path: root.join("src/api.ts"),
                    name: "handleRequest".to_string(),
                    line: 10,
                    col: 4,
                    cyclomatic: 8,
                    cognitive: 20,
                    line_count: 40,
                    param_count: 0,
                    react_hook_count: 0,
                    react_jsx_max_depth: 0,
                    react_prop_count: 0,
                    react_hook_profile: None,
                    exceeded: crate::health_types::ExceededThreshold::Cognitive,
                    severity: crate::health_types::FindingSeverity::High,
                    crap: None,
                    coverage_pct: None,
                    coverage_tier: None,
                    coverage_source: None,
                    inherited_from: None,
                    component_rollup: None,
                    contributions: Vec::new(),
                    effective_thresholds: None,
                    threshold_source: None,
                }
                .into(),
            ],
            summary: crate::health_types::HealthSummary {
                files_analyzed: 3,
                functions_analyzed: 10,
                functions_above_threshold: 1,
                ..Default::default()
            },
            ..Default::default()
        };
        let sarif = build_health_sarif(&report, &root);
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["ruleId"], "fallow/high-cognitive-complexity");
        assert!(
            entry["message"]["text"]
                .as_str()
                .unwrap()
                .contains("cognitive complexity 20")
        );
        let region = &entry["locations"][0]["physicalLocation"]["region"];
        assert_eq!(region["startColumn"], 5); // col 4 + 1
    }

    #[test]
    fn health_sarif_both_thresholds() {
        let root = PathBuf::from("/project");
        let report = crate::health_types::HealthReport {
            findings: vec![
                crate::health_types::ComplexityViolation {
                    path: root.join("src/complex.ts"),
                    name: "doEverything".to_string(),
                    line: 1,
                    col: 0,
                    cyclomatic: 30,
                    cognitive: 45,
                    line_count: 100,
                    param_count: 0,
                    react_hook_count: 0,
                    react_jsx_max_depth: 0,
                    react_prop_count: 0,
                    react_hook_profile: None,
                    exceeded: crate::health_types::ExceededThreshold::Both,
                    severity: crate::health_types::FindingSeverity::High,
                    crap: None,
                    coverage_pct: None,
                    coverage_tier: None,
                    coverage_source: None,
                    inherited_from: None,
                    component_rollup: None,
                    contributions: Vec::new(),
                    effective_thresholds: None,
                    threshold_source: None,
                }
                .into(),
            ],
            summary: crate::health_types::HealthSummary {
                files_analyzed: 1,
                functions_analyzed: 1,
                functions_above_threshold: 1,
                ..Default::default()
            },
            ..Default::default()
        };
        let sarif = build_health_sarif(&report, &root);
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["ruleId"], "fallow/high-complexity");
        let msg = entry["message"]["text"].as_str().unwrap();
        assert!(msg.contains("cyclomatic complexity 30"));
        assert!(msg.contains("cognitive complexity 45"));
    }

    #[test]
    fn health_sarif_crap_only_emits_crap_rule() {
        let root = PathBuf::from("/project");
        let report = crate::health_types::HealthReport {
            findings: vec![
                crate::health_types::ComplexityViolation {
                    path: root.join("src/untested.ts"),
                    name: "risky".to_string(),
                    line: 8,
                    col: 0,
                    cyclomatic: 10,
                    cognitive: 10,
                    line_count: 20,
                    param_count: 1,
                    react_hook_count: 0,
                    react_jsx_max_depth: 0,
                    react_prop_count: 0,
                    react_hook_profile: None,
                    exceeded: crate::health_types::ExceededThreshold::Crap,
                    severity: crate::health_types::FindingSeverity::High,
                    crap: Some(82.2),
                    coverage_pct: Some(12.0),
                    coverage_tier: None,
                    coverage_source: None,
                    inherited_from: None,
                    component_rollup: None,
                    contributions: Vec::new(),
                    effective_thresholds: None,
                    threshold_source: None,
                }
                .into(),
            ],
            summary: crate::health_types::HealthSummary {
                files_analyzed: 1,
                functions_analyzed: 1,
                functions_above_threshold: 1,
                ..Default::default()
            },
            ..Default::default()
        };
        let sarif = build_health_sarif(&report, &root);
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["ruleId"], "fallow/high-crap-score");
        let msg = entry["message"]["text"].as_str().unwrap();
        assert!(msg.contains("CRAP score 82.2"), "msg: {msg}");
        assert!(msg.contains("coverage 12%"), "msg: {msg}");
    }

    #[test]
    fn health_sarif_cyclomatic_crap_uses_crap_rule() {
        let root = PathBuf::from("/project");
        let report = crate::health_types::HealthReport {
            findings: vec![
                crate::health_types::ComplexityViolation {
                    path: root.join("src/hot.ts"),
                    name: "branchy".to_string(),
                    line: 1,
                    col: 0,
                    cyclomatic: 67,
                    cognitive: 12,
                    line_count: 80,
                    param_count: 1,
                    react_hook_count: 0,
                    react_jsx_max_depth: 0,
                    react_prop_count: 0,
                    react_hook_profile: None,
                    exceeded: crate::health_types::ExceededThreshold::CyclomaticCrap,
                    severity: crate::health_types::FindingSeverity::Critical,
                    crap: Some(182.0),
                    coverage_pct: None,
                    coverage_tier: None,
                    coverage_source: None,
                    inherited_from: None,
                    component_rollup: None,
                    contributions: Vec::new(),
                    effective_thresholds: None,
                    threshold_source: None,
                }
                .into(),
            ],
            summary: crate::health_types::HealthSummary {
                files_analyzed: 1,
                functions_analyzed: 1,
                functions_above_threshold: 1,
                ..Default::default()
            },
            ..Default::default()
        };
        let sarif = build_health_sarif(&report, &root);
        let results = sarif["runs"][0]["results"].as_array().unwrap();
        assert_eq!(
            results.len(),
            1,
            "CyclomaticCrap should emit a single SARIF result under the CRAP rule"
        );
        assert_eq!(results[0]["ruleId"], "fallow/high-crap-score");
        let msg = results[0]["message"]["text"].as_str().unwrap();
        assert!(msg.contains("CRAP score 182"), "msg: {msg}");
        assert!(!msg.contains("coverage"), "msg: {msg}");
    }

    #[test]
    fn severity_to_sarif_level_error() {
        assert_eq!(severity_to_sarif_level(Severity::Error), "error");
    }

    #[test]
    fn severity_to_sarif_level_warn() {
        assert_eq!(severity_to_sarif_level(Severity::Warn), "warning");
    }

    #[test]
    #[should_panic(expected = "internal error: entered unreachable code")]
    fn severity_to_sarif_level_off() {
        let _ = severity_to_sarif_level(Severity::Off);
    }

    #[test]
    fn sarif_re_export_has_properties() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unused_exports
            .push(UnusedExportFinding::with_actions(UnusedExport {
                path: root.join("src/index.ts"),
                export_name: "reExported".to_string(),
                is_type_only: false,
                line: 1,
                col: 0,
                span_start: 0,
                is_re_export: true,
            }));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["properties"]["is_re_export"], true);
        let msg = entry["message"]["text"].as_str().unwrap();
        assert!(msg.starts_with("Re-export"));
    }

    #[test]
    fn sarif_non_re_export_has_no_properties() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unused_exports
            .push(UnusedExportFinding::with_actions(UnusedExport {
                path: root.join("src/utils.ts"),
                export_name: "foo".to_string(),
                is_type_only: false,
                line: 5,
                col: 0,
                span_start: 0,
                is_re_export: false,
            }));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        assert!(entry.get("properties").is_none());
        let msg = entry["message"]["text"].as_str().unwrap();
        assert!(msg.starts_with("Export"));
    }

    #[test]
    fn sarif_type_re_export_message() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unused_types
            .push(UnusedTypeFinding::with_actions(UnusedExport {
                path: root.join("src/index.ts"),
                export_name: "MyType".to_string(),
                is_type_only: true,
                line: 1,
                col: 0,
                span_start: 0,
                is_re_export: true,
            }));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["ruleId"], "fallow/unused-type");
        let msg = entry["message"]["text"].as_str().unwrap();
        assert!(msg.starts_with("Type re-export"));
        assert_eq!(entry["properties"]["is_re_export"], true);
    }

    #[test]
    fn sarif_dependency_line_zero_skips_region() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unused_dependencies
            .push(UnusedDependencyFinding::with_actions(UnusedDependency {
                package_name: "lodash".to_string(),
                location: DependencyLocation::Dependencies,
                path: root.join("package.json"),
                line: 0,
                used_in_workspaces: Vec::new(),
            }));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        let phys = &entry["locations"][0]["physicalLocation"];
        assert!(phys.get("region").is_none());
    }

    #[test]
    fn sarif_dependency_line_nonzero_has_region() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unused_dependencies
            .push(UnusedDependencyFinding::with_actions(UnusedDependency {
                package_name: "lodash".to_string(),
                location: DependencyLocation::Dependencies,
                path: root.join("package.json"),
                line: 7,
                used_in_workspaces: Vec::new(),
            }));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        let region = &entry["locations"][0]["physicalLocation"]["region"];
        assert_eq!(region["startLine"], 7);
        assert_eq!(region["startColumn"], 1);
    }

    #[test]
    fn sarif_type_only_dep_line_zero_skips_region() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .type_only_dependencies
            .push(TypeOnlyDependencyFinding::with_actions(
                TypeOnlyDependency {
                    package_name: "zod".to_string(),
                    path: root.join("package.json"),
                    line: 0,
                },
            ));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        let phys = &entry["locations"][0]["physicalLocation"];
        assert!(phys.get("region").is_none());
    }

    #[test]
    fn sarif_circular_dep_line_zero_skips_region() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .circular_dependencies
            .push(CircularDependencyFinding::with_actions(
                CircularDependency {
                    files: vec![root.join("src/a.ts"), root.join("src/b.ts")],
                    length: 2,
                    line: 0,
                    col: 0,
                    edges: Vec::new(),
                    is_cross_package: false,
                },
            ));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        let phys = &entry["locations"][0]["physicalLocation"];
        assert!(phys.get("region").is_none());
    }

    #[test]
    fn sarif_circular_dep_line_nonzero_has_region() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .circular_dependencies
            .push(CircularDependencyFinding::with_actions(
                CircularDependency {
                    files: vec![root.join("src/a.ts"), root.join("src/b.ts")],
                    length: 2,
                    line: 5,
                    col: 2,
                    edges: Vec::new(),
                    is_cross_package: false,
                },
            ));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        let region = &entry["locations"][0]["physicalLocation"]["region"];
        assert_eq!(region["startLine"], 5);
        assert_eq!(region["startColumn"], 3);
    }

    #[test]
    fn sarif_unused_optional_dependency_result() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unused_optional_dependencies
            .push(UnusedOptionalDependencyFinding::with_actions(
                UnusedDependency {
                    package_name: "fsevents".to_string(),
                    location: DependencyLocation::OptionalDependencies,
                    path: root.join("package.json"),
                    line: 12,
                    used_in_workspaces: Vec::new(),
                },
            ));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["ruleId"], "fallow/unused-optional-dependency");
        let msg = entry["message"]["text"].as_str().unwrap();
        assert!(msg.contains("optionalDependencies"));
    }

    #[test]
    fn sarif_enum_member_message_format() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results.unused_enum_members.push(
            fallow_core::results::UnusedEnumMemberFinding::with_actions(UnusedMember {
                path: root.join("src/enums.ts"),
                parent_name: "Color".to_string(),
                member_name: "Purple".to_string(),
                kind: fallow_core::extract::MemberKind::EnumMember,
                line: 5,
                col: 2,
            }),
        );

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["ruleId"], "fallow/unused-enum-member");
        let msg = entry["message"]["text"].as_str().unwrap();
        assert!(msg.contains("Enum member 'Color.Purple'"));
        let region = &entry["locations"][0]["physicalLocation"]["region"];
        assert_eq!(region["startColumn"], 3); // col 2 + 1
    }

    #[test]
    fn sarif_class_member_message_format() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results.unused_class_members.push(
            fallow_core::results::UnusedClassMemberFinding::with_actions(UnusedMember {
                path: root.join("src/service.ts"),
                parent_name: "API".to_string(),
                member_name: "fetch".to_string(),
                kind: fallow_core::extract::MemberKind::ClassMethod,
                line: 10,
                col: 4,
            }),
        );

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["ruleId"], "fallow/unused-class-member");
        let msg = entry["message"]["text"].as_str().unwrap();
        assert!(msg.contains("Class member 'API.fetch'"));
    }

    #[test]
    #[expect(
        clippy::cast_possible_truncation,
        reason = "test line/col values are trivially small"
    )]
    fn duplication_sarif_structure() {
        use fallow_core::duplicates::*;

        let root = PathBuf::from("/project");
        let report = DuplicationReport {
            clone_groups: vec![CloneGroup {
                instances: vec![
                    CloneInstance {
                        file: root.join("src/a.ts"),
                        start_line: 1,
                        end_line: 10,
                        start_col: 0,
                        end_col: 0,
                        fragment: String::new(),
                    },
                    CloneInstance {
                        file: root.join("src/b.ts"),
                        start_line: 5,
                        end_line: 14,
                        start_col: 2,
                        end_col: 0,
                        fragment: String::new(),
                    },
                ],
                token_count: 50,
                line_count: 10,
            }],
            clone_families: vec![],
            mirrored_directories: vec![],
            stats: DuplicationStats::default(),
        };

        let sarif = serde_json::json!({
            "$schema": "https://json.schemastore.org/sarif-2.1.0.json",
            "version": "2.1.0",
            "runs": [{
                "tool": {
                    "driver": {
                        "name": "fallow",
                        "version": env!("CARGO_PKG_VERSION"),
                        "informationUri": "https://github.com/fallow-rs/fallow",
                        "rules": [sarif_rule("fallow/code-duplication", "Duplicated code block", "warning")]
                    }
                },
                "results": []
            }]
        });
        let _ = sarif;

        let mut sarif_results = Vec::new();
        for (i, group) in report.clone_groups.iter().enumerate() {
            for instance in &group.instances {
                sarif_results.push(sarif_result(
                    "fallow/code-duplication",
                    "warning",
                    &format!(
                        "Code clone group {} ({} lines, {} instances)",
                        i + 1,
                        group.line_count,
                        group.instances.len()
                    ),
                    &super::super::relative_uri(&instance.file, &root),
                    Some((instance.start_line as u32, (instance.start_col + 1) as u32)),
                ));
            }
        }
        assert_eq!(sarif_results.len(), 2);
        assert_eq!(sarif_results[0]["ruleId"], "fallow/code-duplication");
        assert!(
            sarif_results[0]["message"]["text"]
                .as_str()
                .unwrap()
                .contains("10 lines")
        );
        let region0 = &sarif_results[0]["locations"][0]["physicalLocation"]["region"];
        assert_eq!(region0["startLine"], 1);
        assert_eq!(region0["startColumn"], 1); // start_col 0 + 1
        let region1 = &sarif_results[1]["locations"][0]["physicalLocation"]["region"];
        assert_eq!(region1["startLine"], 5);
        assert_eq!(region1["startColumn"], 3); // start_col 2 + 1
    }

    #[test]
    fn sarif_rule_known_id_has_full_description() {
        let rule = sarif_rule("fallow/unused-file", "fallback text", "error");
        assert!(rule.get("fullDescription").is_some());
        assert!(rule.get("helpUri").is_some());
    }

    #[test]
    fn sarif_rule_unknown_id_uses_fallback() {
        let rule = sarif_rule("fallow/nonexistent", "fallback text", "warning");
        assert_eq!(rule["shortDescription"]["text"], "fallback text");
        assert!(rule.get("fullDescription").is_none());
        assert!(rule.get("helpUri").is_none());
        assert_eq!(rule["defaultConfiguration"]["level"], "warning");
    }

    #[test]
    fn sarif_result_no_region_omits_region_key() {
        let result = sarif_result("rule/test", "error", "test msg", "src/file.ts", None);
        let phys = &result["locations"][0]["physicalLocation"];
        assert!(phys.get("region").is_none());
        assert_eq!(phys["artifactLocation"]["uri"], "src/file.ts");
    }

    #[test]
    fn sarif_result_with_region_includes_region() {
        let result = sarif_result(
            "rule/test",
            "error",
            "test msg",
            "src/file.ts",
            Some((10, 5)),
        );
        let region = &result["locations"][0]["physicalLocation"]["region"];
        assert_eq!(region["startLine"], 10);
        assert_eq!(region["startColumn"], 5);
    }

    #[test]
    fn sarif_partial_fingerprint_ignores_rendered_message() {
        let a = sarif_result(
            "rule/test",
            "error",
            "first message",
            "src/file.ts",
            Some((10, 5)),
        );
        let b = sarif_result(
            "rule/test",
            "error",
            "rewritten message",
            "src/file.ts",
            Some((10, 5)),
        );
        assert_eq!(
            a["partialFingerprints"][fingerprint::FINGERPRINT_KEY],
            b["partialFingerprints"][fingerprint::FINGERPRINT_KEY]
        );
    }

    #[test]
    fn health_sarif_includes_refactoring_targets() {
        use crate::health_types::*;

        let root = PathBuf::from("/project");
        let report = HealthReport {
            summary: HealthSummary {
                files_analyzed: 10,
                functions_analyzed: 50,
                ..Default::default()
            },
            targets: vec![
                RefactoringTarget {
                    path: root.join("src/complex.ts"),
                    priority: 85.0,
                    efficiency: 42.5,
                    recommendation: "Split high-impact file".into(),
                    category: RecommendationCategory::SplitHighImpact,
                    effort: EffortEstimate::Medium,
                    confidence: Confidence::High,
                    factors: vec![],
                    evidence: None,
                }
                .into(),
            ],
            ..Default::default()
        };

        let sarif = build_health_sarif(&report, &root);
        let entries = sarif["runs"][0]["results"].as_array().unwrap();
        assert_eq!(entries.len(), 1);
        assert_eq!(entries[0]["ruleId"], "fallow/refactoring-target");
        assert_eq!(entries[0]["level"], "warning");
        let msg = entries[0]["message"]["text"].as_str().unwrap();
        assert!(msg.contains("high impact"));
        assert!(msg.contains("Split high-impact file"));
        assert!(msg.contains("42.5"));
    }

    #[test]
    fn health_sarif_includes_coverage_gaps() {
        use crate::health_types::*;

        let root = PathBuf::from("/project");
        let report = HealthReport {
            summary: HealthSummary {
                files_analyzed: 10,
                functions_analyzed: 50,
                ..Default::default()
            },
            coverage_gaps: Some(CoverageGaps {
                summary: CoverageGapSummary {
                    runtime_files: 2,
                    covered_files: 0,
                    file_coverage_pct: 0.0,
                    untested_files: 1,
                    untested_exports: 1,
                },
                files: vec![UntestedFileFinding::with_actions(
                    UntestedFile {
                        path: root.join("src/app.ts"),
                        value_export_count: 2,
                    },
                    &root,
                )],
                exports: vec![UntestedExportFinding::with_actions(
                    UntestedExport {
                        path: root.join("src/app.ts"),
                        export_name: "loader".into(),
                        line: 12,
                        col: 4,
                    },
                    &root,
                )],
            }),
            ..Default::default()
        };

        let sarif = build_health_sarif(&report, &root);
        let entries = sarif["runs"][0]["results"].as_array().unwrap();
        assert_eq!(entries.len(), 2);
        assert_eq!(entries[0]["ruleId"], "fallow/untested-file");
        assert_eq!(
            entries[0]["locations"][0]["physicalLocation"]["artifactLocation"]["uri"],
            "src/app.ts"
        );
        assert!(
            entries[0]["message"]["text"]
                .as_str()
                .unwrap()
                .contains("2 value exports")
        );
        assert_eq!(entries[1]["ruleId"], "fallow/untested-export");
        assert_eq!(
            entries[1]["locations"][0]["physicalLocation"]["region"]["startLine"],
            12
        );
        assert_eq!(
            entries[1]["locations"][0]["physicalLocation"]["region"]["startColumn"],
            5
        );
    }

    #[test]
    fn health_sarif_rules_have_full_descriptions() {
        let root = PathBuf::from("/project");
        let report = crate::health_types::HealthReport::default();
        let sarif = build_health_sarif(&report, &root);
        let rules = sarif["runs"][0]["tool"]["driver"]["rules"]
            .as_array()
            .unwrap();
        for rule in rules {
            let id = rule["id"].as_str().unwrap();
            assert!(
                rule.get("fullDescription").is_some(),
                "health rule {id} should have fullDescription"
            );
            assert!(
                rule.get("helpUri").is_some(),
                "health rule {id} should have helpUri"
            );
        }
    }

    #[test]
    fn sarif_warn_severity_produces_warning_level() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unused_files
            .push(UnusedFileFinding::with_actions(UnusedFile {
                path: root.join("src/dead.ts"),
            }));

        let rules = RulesConfig {
            unused_files: Severity::Warn,
            ..RulesConfig::default()
        };

        let sarif = build_sarif(&results, &root, &rules);
        let entry = &sarif["runs"][0]["results"][0];
        assert_eq!(entry["level"], "warning");
    }

    #[test]
    fn sarif_unused_file_has_no_region() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unused_files
            .push(UnusedFileFinding::with_actions(UnusedFile {
                path: root.join("src/dead.ts"),
            }));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entry = &sarif["runs"][0]["results"][0];
        let phys = &entry["locations"][0]["physicalLocation"];
        assert!(phys.get("region").is_none());
    }

    #[test]
    fn sarif_unlisted_dep_multiple_import_sites() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unlisted_dependencies
            .push(UnlistedDependencyFinding::with_actions(
                UnlistedDependency {
                    package_name: "dotenv".to_string(),
                    imported_from: vec![
                        ImportSite {
                            path: root.join("src/a.ts"),
                            line: 1,
                            col: 0,
                        },
                        ImportSite {
                            path: root.join("src/b.ts"),
                            line: 5,
                            col: 0,
                        },
                    ],
                },
            ));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entries = sarif["runs"][0]["results"].as_array().unwrap();
        assert_eq!(entries.len(), 2);
        assert_eq!(
            entries[0]["locations"][0]["physicalLocation"]["artifactLocation"]["uri"],
            "src/a.ts"
        );
        assert_eq!(
            entries[1]["locations"][0]["physicalLocation"]["artifactLocation"]["uri"],
            "src/b.ts"
        );
    }

    #[test]
    fn sarif_unlisted_dep_no_import_sites() {
        let root = PathBuf::from("/project");
        let mut results = AnalysisResults::default();
        results
            .unlisted_dependencies
            .push(UnlistedDependencyFinding::with_actions(
                UnlistedDependency {
                    package_name: "phantom".to_string(),
                    imported_from: vec![],
                },
            ));

        let sarif = build_sarif(&results, &root, &RulesConfig::default());
        let entries = sarif["runs"][0]["results"].as_array().unwrap();
        assert!(entries.is_empty());
    }
}