zenith-core 0.0.5

//! Integration tests: styles validation.
//!
//! Test bodies moved verbatim from the former in-`src` `validate/check/tests/`
//! concern files; only import paths changed (`crate::`/`super::common` ->
//! `zenith_core::`/`common`).

use std::collections::BTreeMap;

mod common;

use common::*;

// ── Style validation tests ─────────────────────────────────────────────

fn doc_with_styles(tokens: Vec<Token>, styles: Vec<Style>, pages: Vec<Page>) -> Document {
    Document {
        version: 1,
        colorspace: None,
        doc_id: None,
        mirror_margins: None,
        facing_pages: None,
        spread_gutter: None,
        page_progression: None,
        page_parity_start: None,
        margin_inner: None,
        margin_outer: None,
        margin_top: None,
        margin_bottom: None,
        project: None,
        assets: AssetBlock::default(),
        libraries: Vec::new(),
        actions: Vec::new(),
        tokens: TokenBlock {
            format: "zenith-token-v1".to_owned(),
            tokens,
        },
        styles: StyleBlock {
            styles,
            source_span: None,
        },
        components: Vec::new(),
        masters: Vec::new(),
        sections: Vec::new(),
        provenance: Vec::new(),
        variants: Vec::new(),
        recipes: Vec::new(),
        diagnostic_policy: zenith_core::DiagnosticPolicy::default(),
        brand_contract: BrandContract::default(),
        body: DocumentBody {
            id: "doc.main".to_owned(),
            title: None,
            block_styles: Vec::new(),
            pages,
        },
    }
}

fn style_with_props(id: &str, props: Vec<(&str, PropertyValue)>) -> Style {
    Style {
        id: id.to_owned(),
        properties: props.into_iter().map(|(k, v)| (k.to_owned(), v)).collect(),
        unknown_props: BTreeMap::new(),
        source_span: None,
    }
}

/// A node that references a non-declared style id → `style.unknown_reference` error.
#[test]
fn node_unknown_style_reference() {
    let rect = match minimal_rect("rect.one", None) {
        Node::Rect(mut r) => {
            r.style = Some("style.missing".to_owned());
            Node::Rect(r)
        }
        other => other,
    };
    let doc = doc_with_styles(
        vec![],
        vec![], // no styles declared
        vec![minimal_page("page.one", vec![rect])],
    );
    let report = validate(&doc);
    assert!(
        has_code(&report, "style.unknown_reference"),
        "expected style.unknown_reference; codes: {:?}",
        codes(&report)
    );
    assert!(report.has_errors());
}

/// A clean `code` node referencing a declared color token passes validation.
#[test]
fn clean_code_node_no_errors() {
    let doc = doc_with(
        vec![color_token("color.fg")],
        vec![minimal_page(
            "page.one",
            vec![minimal_code("code.one", Some(token_ref("color.fg")))],
        )],
    );
    let report = validate(&doc);
    assert!(
        report.diagnostics.is_empty(),
        "expected no diagnostics, got: {:?}",
        codes(&report)
    );
    assert!(!report.has_errors());
}

/// A `code` node referencing a non-declared style id → `style.unknown_reference`.
#[test]
fn code_node_unknown_style_reference() {
    let code = match minimal_code("code.one", None) {
        Node::Code(mut c) => {
            c.style = Some("style.missing".to_owned());
            Node::Code(c)
        }
        other => other,
    };
    let doc = doc_with_styles(
        vec![],
        vec![], // no styles declared
        vec![minimal_page("page.one", vec![code])],
    );
    let report = validate(&doc);
    assert!(
        has_code(&report, "style.unknown_reference"),
        "expected style.unknown_reference; codes: {:?}",
        codes(&report)
    );
    assert!(report.has_errors());
}

/// An unknown property on a `code` node → `node.unknown_property` warning.
#[test]
fn code_node_unknown_property_warns() {
    let code = match minimal_code("code.one", None) {
        Node::Code(mut c) => {
            c.unknown_props.insert(
                "future-prop".to_owned(),
                zenith_core::UnknownProperty {
                    value: zenith_core::UnknownValue::String("x".to_owned()),
                    ty: None,
                },
            );
            Node::Code(c)
        }
        other => other,
    };
    let doc = doc_with(vec![], vec![minimal_page("page.one", vec![code])]);
    let report = validate(&doc);
    assert!(
        has_code(&report, "node.unknown_property"),
        "expected node.unknown_property; codes: {:?}",
        codes(&report)
    );
    assert!(!report.has_errors());
}

/// A style property that references a missing token → `token.unknown_reference` error.
#[test]
fn style_prop_unknown_token() {
    let style = style_with_props(
        "style.s",
        vec![("fill", PropertyValue::TokenRef("color.missing".to_owned()))],
    );
    let doc = doc_with_styles(
        vec![], // no tokens declared
        vec![style],
        vec![minimal_page("page.one", vec![])],
    );
    let report = validate(&doc);
    assert!(
        has_code(&report, "token.unknown_reference"),
        "expected token.unknown_reference; codes: {:?}",
        codes(&report)
    );
    assert!(report.has_errors());
}

/// A style property with a raw literal → `token.raw_visual_literal` error.
#[test]
fn style_raw_literal_fill() {
    let style = style_with_props(
        "style.s",
        vec![("fill", PropertyValue::Literal("#ff0000".to_owned()))],
    );
    let doc = doc_with_styles(vec![], vec![style], vec![minimal_page("page.one", vec![])]);
    let report = validate(&doc);
    assert!(
        has_code(&report, "token.raw_visual_literal"),
        "expected token.raw_visual_literal; codes: {:?}",
        codes(&report)
    );
    assert!(report.has_errors());
}

/// A style `padding` with a raw literal dimension → `token.raw_visual_literal`.
///
/// `padding` is a token-only visual dimension prop, identical to `font-size` /
/// `stroke-width`: a raw `(px)N` literal (a `PropertyValue::Dimension`, not a
/// token) MUST be flagged, never silently accepted.
#[test]
fn style_padding_raw_literal_rejected() {
    let style = style_with_props(
        "style.flow",
        vec![("padding", PropertyValue::Dimension(px(16.0)))],
    );
    let doc = doc_with_styles(vec![], vec![style], vec![minimal_page("page.one", vec![])]);
    let report = validate(&doc);
    assert!(
        has_code(&report, "token.raw_visual_literal"),
        "a raw-literal padding must flag token.raw_visual_literal; codes: {:?}",
        codes(&report)
    );
    assert!(report.has_errors());
}

/// A style `gap` with a raw literal dimension → `token.raw_visual_literal`.
#[test]
fn style_gap_raw_literal_rejected() {
    let style = style_with_props(
        "style.flow",
        vec![("gap", PropertyValue::Dimension(px(8.0)))],
    );
    let doc = doc_with_styles(vec![], vec![style], vec![minimal_page("page.one", vec![])]);
    let report = validate(&doc);
    assert!(
        has_code(&report, "token.raw_visual_literal"),
        "a raw-literal gap must flag token.raw_visual_literal; codes: {:?}",
        codes(&report)
    );
    assert!(report.has_errors());
}

/// Unknown style property children → `style.unknown_property` warning.
#[test]
fn style_unknown_property_warns() {
    let style = Style {
        id: "style.s".to_owned(),
        properties: BTreeMap::new(),
        unknown_props: {
            let mut m = BTreeMap::new();
            m.insert(
                "bogus-prop".to_owned(),
                UnknownStyleProp {
                    raw: "whatever".to_owned(),
                },
            );
            m
        },
        source_span: None,
    };
    let doc = doc_with_styles(vec![], vec![style], vec![minimal_page("page.one", vec![])]);
    let report = validate(&doc);
    assert!(
        has_code(&report, "style.unknown_property"),
        "expected style.unknown_property warning; codes: {:?}",
        codes(&report)
    );
    let diag = report
        .diagnostics
        .iter()
        .find(|d| d.code == "style.unknown_property")
        .expect("must exist");
    assert_eq!(diag.severity, Severity::Warning);
    assert!(
        !report.has_errors(),
        "unknown prop must only warn, not error"
    );
}

/// A token referenced ONLY by a style (not by any node) must NOT be flagged `token.unused`.
#[test]
fn token_used_only_by_style_not_unused() {
    let style = style_with_props(
        "style.s",
        vec![("fill", PropertyValue::TokenRef("color.used".to_owned()))],
    );
    let doc = doc_with_styles(
        vec![color_token("color.used")],
        vec![style],
        // No nodes reference color.used — only the style does.
        vec![minimal_page("page.one", vec![])],
    );
    let report = validate(&doc);
    // Should NOT contain token.unused for color.used.
    let unused: Vec<_> = report
        .diagnostics
        .iter()
        .filter(|d| d.code == "token.unused")
        .collect();
    assert!(
        unused.is_empty(),
        "token referenced by style must not be flagged token.unused; codes: {:?}",
        codes(&report)
    );
}

fn minimal_code(id: &str, fill: Option<PropertyValue>) -> Node {
    Node::Code(CodeNode {
        id: id.to_owned(),
        name: None,
        role: None,
        x: Some(pxv(0.0)),
        y: Some(pxv(0.0)),
        w: Some(pxv(200.0)),
        h: Some(pxv(80.0)),
        overflow: None,
        language: None,
        line_numbers: None,
        tab_width: None,
        style: None,
        fill,
        font_family: None,
        font_size: None,
        font_weight: None,
        syntax_theme: None,
        opacity: None,
        visible: None,
        locked: None,
        selectable: None,
        rotate: None,
        anchor: None,
        anchor_zone: None,
        anchor_sibling: None,
        anchor_edge: None,
        anchor_gap: None,
        anchor_parent: None,
        content: String::new(),
        source_span: None,
        unknown_props: BTreeMap::new(),
    })
}

// ══════════════════════════════════════════════════════════════════════
// Library block validation tests
// ══════════════════════════════════════════════════════════════════════

/// Helper: build a document with the given libraries appended to a
/// single-page doc.
fn doc_with_libraries(libraries: Vec<LibraryDef>, pages: Vec<Page>) -> Document {
    let mut doc = doc_with(vec![], pages);
    doc.libraries = libraries;
    doc
}

fn minimal_library(id: &str) -> LibraryDef {
    LibraryDef {
        id: id.to_owned(),
        version: None,
        hash: None,
        source_span: None,
        unknown_props: BTreeMap::new(),
    }
}

#[test]
fn clean_libraries_block_no_diagnostics() {
    let lib = LibraryDef {
        id: "@acme/brand-kit".to_owned(),
        version: Some("1.4.0".to_owned()),
        hash: Some("sha256-abc".to_owned()),
        source_span: None,
        unknown_props: BTreeMap::new(),
    };
    let doc = doc_with_libraries(vec![lib], vec![minimal_page("p1", vec![])]);
    let report = validate(&doc);
    assert!(
        report.diagnostics.is_empty(),
        "a well-formed libraries block must produce no diagnostics; got: {:?}",
        codes(&report)
    );
    assert!(!report.has_errors());
}

#[test]
fn library_duplicate_id_is_error() {
    let a = minimal_library("@acme/brand-kit");
    let b = minimal_library("@acme/brand-kit"); // duplicate id
    let doc = doc_with_libraries(vec![a, b], vec![minimal_page("p1", vec![])]);
    let report = validate(&doc);
    assert!(
        has_code(&report, "id.duplicate"),
        "two libraries sharing an id must trigger id.duplicate; got {:?}",
        codes(&report)
    );
    assert!(report.has_errors());
}

#[test]
fn library_unknown_property_produces_warning() {
    let mut unknown_props = BTreeMap::new();
    unknown_props.insert(
        "registry".to_owned(),
        zenith_core::UnknownProperty {
            value: zenith_core::UnknownValue::String("x".to_owned()),
            ty: Some("token".to_owned()),
        },
    );
    let lib = LibraryDef {
        id: "@acme/brand-kit".to_owned(),
        version: None,
        hash: None,
        source_span: None,
        unknown_props,
    };
    let doc = doc_with_libraries(vec![lib], vec![minimal_page("p1", vec![])]);
    let report = validate(&doc);
    assert!(
        has_code(&report, "library.unknown_property"),
        "an unknown prop on a library must warn; got {:?}",
        codes(&report)
    );
    let diag = report
        .diagnostics
        .iter()
        .find(|d| d.code == "library.unknown_property")
        .expect("should exist");
    assert_eq!(diag.severity, Severity::Warning);
    assert!(!report.has_errors());
}

// ── provenance: cross-reference validation ────────────────────────────

/// A document with the given provenance records, libraries, and page children.
/// The page (id "p1") carries `children`, so node refs can resolve.
fn doc_with_provenance(
    provenance: Vec<ProvenanceDef>,
    libraries: Vec<LibraryDef>,
    children: Vec<Node>,
) -> Document {
    let mut doc = doc_with(vec![], vec![minimal_page("p1", children)]);
    doc.libraries = libraries;
    doc.provenance = provenance;
    doc
}

fn minimal_provenance(id: &str, node: &str, library: &str) -> ProvenanceDef {
    ProvenanceDef {
        id: id.to_owned(),
        node: node.to_owned(),
        library: library.to_owned(),
        item: None,
        linked: None,
        source_span: None,
        unknown_props: BTreeMap::new(),
    }
}

#[test]
fn clean_provenance_record_no_diagnostics() {
    // node "btn" exists on the page; library "@acme/brand-kit" is declared.
    let prov = ProvenanceDef {
        id: "prov.btn".to_owned(),
        node: "btn".to_owned(),
        library: "@acme/brand-kit".to_owned(),
        item: Some("button".to_owned()),
        linked: Some(true),
        source_span: None,
        unknown_props: BTreeMap::new(),
    };
    let doc = doc_with_provenance(
        vec![prov],
        vec![minimal_library("@acme/brand-kit")],
        vec![minimal_rect("btn", None)],
    );
    let report = validate(&doc);
    assert!(
        report.diagnostics.is_empty(),
        "a fully-resolved provenance record must produce no diagnostics; got: {:?}",
        codes(&report)
    );
    assert!(!report.has_errors());
}

#[test]
fn provenance_unknown_node_is_error() {
    let prov = minimal_provenance("prov.ghost", "ghost", "@acme/brand-kit");
    let doc = doc_with_provenance(
        vec![prov],
        vec![minimal_library("@acme/brand-kit")],
        vec![minimal_rect("btn", None)],
    );
    let report = validate(&doc);
    assert!(
        has_code(&report, "provenance.unknown_node"),
        "a provenance record referencing a non-existent node must error; got {:?}",
        codes(&report)
    );
    assert!(report.has_errors());
}

#[test]
fn provenance_node_may_be_a_declared_token() {
    // A provenance record whose `node` is a declared TOKEN id (a token imported
    // from a library) validates clean — the target need not be a node.
    let prov = minimal_provenance("prov.noir", "noir", "@zenith/filters");
    let mut doc = doc_with_provenance(
        vec![prov],
        vec![minimal_library("@zenith/filters")],
        vec![minimal_rect("btn", None)],
    );
    doc.tokens.tokens.push(color_token_hex("noir", "#000000"));
    let report = validate(&doc);
    assert!(
        !has_code(&report, "provenance.unknown_node"),
        "a provenance record targeting a declared token must not error; got {:?}",
        codes(&report)
    );
}

#[test]
fn provenance_unknown_library_is_error() {
    let prov = minimal_provenance("prov.btn", "btn", "@nope/x");
    let doc = doc_with_provenance(
        vec![prov],
        vec![minimal_library("@acme/brand-kit")],
        vec![minimal_rect("btn", None)],
    );
    let report = validate(&doc);
    assert!(
        has_code(&report, "provenance.unknown_library"),
        "a provenance record referencing an undeclared library must error; got {:?}",
        codes(&report)
    );
    assert!(report.has_errors());
}

#[test]
fn provenance_duplicate_id_is_error() {
    let a = minimal_provenance("prov.dup", "btn", "@acme/brand-kit");
    let b = minimal_provenance("prov.dup", "btn", "@acme/brand-kit"); // duplicate id
    let doc = doc_with_provenance(
        vec![a, b],
        vec![minimal_library("@acme/brand-kit")],
        vec![minimal_rect("btn", None)],
    );
    let report = validate(&doc);
    assert!(
        has_code(&report, "id.duplicate"),
        "two provenance records sharing an id must trigger id.duplicate; got {:?}",
        codes(&report)
    );
    assert!(report.has_errors());
}

#[test]
fn provenance_unknown_property_produces_warning() {
    let mut unknown_props = BTreeMap::new();
    unknown_props.insert(
        "registry".to_owned(),
        zenith_core::UnknownProperty {
            value: zenith_core::UnknownValue::String("x".to_owned()),
            ty: Some("token".to_owned()),
        },
    );
    let prov = ProvenanceDef {
        id: "prov.btn".to_owned(),
        node: "btn".to_owned(),
        library: "@acme/brand-kit".to_owned(),
        item: None,
        linked: None,
        source_span: None,
        unknown_props,
    };
    let doc = doc_with_provenance(
        vec![prov],
        vec![minimal_library("@acme/brand-kit")],
        vec![minimal_rect("btn", None)],
    );
    let report = validate(&doc);
    assert!(
        has_code(&report, "provenance.unknown_property"),
        "an unknown prop on an origin must warn; got {:?}",
        codes(&report)
    );
    let diag = report
        .diagnostics
        .iter()
        .find(|d| d.code == "provenance.unknown_property")
        .expect("should exist");
    assert_eq!(diag.severity, Severity::Warning);
    // The unknown-property warning is not itself an error; node + library resolve.
    assert!(!report.has_errors());
}

#[test]
fn provenance_node_may_be_a_declared_action() {
    // A provenance record whose `node` is a declared ACTION id validates clean —
    // an action imported from a library is a valid provenance target.
    let prov = minimal_provenance("prov.brand", "apply-brand-kit", "@acme/brand-kit");
    let mut doc = doc_with_provenance(vec![prov], vec![minimal_library("@acme/brand-kit")], vec![]);
    doc.actions.push(ActionDef {
        id: "apply-brand-kit".to_owned(),
        label: Some("Apply Brand Kit".to_owned()),
        version: None,
        tx_json: "{}".to_owned(),
        source_span: None,
        unknown_props: BTreeMap::new(),
    });
    let report = validate(&doc);
    assert!(
        !has_code(&report, "provenance.unknown_node"),
        "a provenance record targeting a declared action must not fire unknown_node; got {:?}",
        codes(&report)
    );
    assert!(!report.has_errors());
}

#[test]
fn provenance_node_nonexistent_id_still_errors() {
    // Negative case: a provenance `node` that matches neither any node id, nor
    // any declared token id, nor any declared action id must still fire
    // `provenance.unknown_node`.
    let prov = minimal_provenance("prov.ghost2", "does-not-exist", "@acme/brand-kit");
    let doc = doc_with_provenance(
        vec![prov],
        vec![minimal_library("@acme/brand-kit")],
        vec![minimal_rect("btn", None)],
    );
    let report = validate(&doc);
    assert!(
        has_code(&report, "provenance.unknown_node"),
        "a provenance record with a non-existent node/token/action id must error; got {:?}",
        codes(&report)
    );
    assert!(report.has_errors());
}