concinnity-dev 0.19.2

// src/cli/list.rs
use concinnity_cook::authoring::registry::RegisteredType;
use concinnity_cook::authoring::world::{find_world_jsonl, parse_world_jsonl, resolve_includes};

// Authoring metadata for a type name, whichever group of the registry it is in.
fn registration_for(type_str: &str) -> Option<concinnity_cook::authoring::registry::Registration> {
    RegisteredType::parse(type_str).map(RegisteredType::registration)
}

// Resolve the world path the same way every other subcommand does: an explicit
// existing path wins, otherwise discover from .concinnity/worlds/ or cwd.
pub(crate) fn resolve_world_path(json_path: Option<&str>) -> std::io::Result<String> {
    match json_path {
        Some(p) if std::path::Path::new(p).exists() => Ok(p.to_string()),
        _ => find_world_jsonl(crate::project::worlds_dir().as_deref(), None),
    }
}

// Provenance of one expanded-world row: declared in the file, added by an
// injection pass, or generated by a build-time macro expansion. The
// classification lives in cook (`LoadedWorld::provenance`), shared with the
// editor's Expanded tab; this is its printed form.
pub(crate) fn provenance(loaded: &concinnity_cook::build_only::LoadedWorld, name: &str) -> String {
    loaded.provenance(name).to_string()
}

/// Print every declared asset. `expanded` includes the assets the build
/// injects; `systems` adds the system manifest the world resolves to.
pub fn list(json_path: Option<&str>, expanded: bool, systems: bool) -> std::io::Result<()> {
    let json_path = resolve_world_path(json_path)?;

    let content = std::fs::read_to_string(&json_path).map_err(|e| {
        tracing::error!("Could not read {}: {}", json_path, e);
        e
    })?;

    if systems {
        return list_systems(&content, &json_path);
    }
    if expanded {
        return list_expanded(&content, &json_path);
    }

    let assets = parse_world_jsonl(&content).map_err(|e| {
        std::io::Error::new(
            std::io::ErrorKind::InvalidData,
            format!("Failed to parse {}: {}", json_path, e),
        )
    })?;

    let raw = resolve_includes(assets)?;

    if raw.is_empty() {
        println!("{} has no assets.", json_path);
        return Ok(());
    }

    // collect rows, then print aligned
    struct Row {
        name: String,
        type_str: String,
        origin: String,
        payload: String,
    }

    let rows: Vec<Row> = raw
        .iter()
        .map(|v| {
            let name = v
                .get("name")
                .and_then(|n| n.as_str())
                .unwrap_or("(unnamed)")
                .to_string();
            let type_str = v
                .get("type")
                .and_then(|t| t.as_str())
                .unwrap_or("?")
                .to_string();

            let (origin, payload) = if let Some(r) = registration_for(&type_str) {
                (format!("{:?}", r.origin), format!("{:?}", r.payload))
            } else {
                ("?".to_string(), "?".to_string())
            };

            Row {
                name,
                type_str,
                origin,
                payload,
            }
        })
        .collect();

    let w_name = rows.iter().map(|r| r.name.len()).max().unwrap_or(4).max(4);
    let w_type = rows
        .iter()
        .map(|r| r.type_str.len())
        .max()
        .unwrap_or(4)
        .max(4);
    let w_origin = rows
        .iter()
        .map(|r| r.origin.len())
        .max()
        .unwrap_or(6)
        .max(6);

    println!(
        "{:<w_name$}  {:<w_type$}  {:<w_origin$}  PAYLOAD",
        "NAME",
        "TYPE",
        "ORIGIN",
        w_name = w_name,
        w_type = w_type,
        w_origin = w_origin,
    );
    println!("{}", "-".repeat(w_name + w_type + w_origin + 16));

    for r in &rows {
        println!(
            "{:<w_name$}  {:<w_type$}  {:<w_origin$}  {}",
            r.name,
            r.type_str,
            r.origin,
            r.payload,
            w_name = w_name,
            w_type = w_type,
            w_origin = w_origin,
        );
    }

    println!("\n{} asset(s) in {}", rows.len(), json_path);
    Ok(())
}

// The expanded world: every asset the build produces, with its provenance.
// Runs the same front half as `cn build` (expansion passes, injection,
// semantic validation), so the listing is exactly what lands in the blob.
fn list_expanded(content: &str, json_path: &str) -> std::io::Result<()> {
    let loaded = concinnity_cook::prepare_world(
        content,
        crate::project::assets_dir().as_deref(),
        crate::cook_platform(),
    )
    .map_err(|errs| concinnity_cook::check::report_validation_errors(&errs))?;

    if loaded.assets.is_empty() {
        println!("{} expands to no assets.", json_path);
        return Ok(());
    }

    let rows: Vec<(String, String, String)> = loaded
        .assets
        .iter()
        .map(|a| {
            (
                a.name.clone(),
                a.asset_type.clone(),
                provenance(&loaded, &a.name),
            )
        })
        .collect();

    let w_name = rows.iter().map(|r| r.0.len()).max().unwrap_or(4).max(4);
    let w_type = rows.iter().map(|r| r.1.len()).max().unwrap_or(4).max(4);

    println!(
        "{:<w_name$}  {:<w_type$}  PROVENANCE",
        "NAME",
        "TYPE",
        w_name = w_name,
        w_type = w_type,
    );
    println!("{}", "-".repeat(w_name + w_type + 14));

    for (name, type_str, prov) in &rows {
        println!(
            "{:<w_name$}  {:<w_type$}  {}",
            name,
            type_str,
            prov,
            w_name = w_name,
            w_type = w_type,
        );
    }

    let injected = loaded.injected.len();
    println!(
        "\n{} asset(s) after expansion ({} injected) in {}",
        rows.len(),
        injected,
        json_path
    );
    println!("Use `cn explain <name>` to print an entry for overriding.");
    Ok(())
}

// Print the system schedule this world runs: the manifest gates (the same ones
// `World::start` runs) applied to the built world, each system paired with the
// condition from its registry entry. The world is built exactly as the runtime
// would, so the reported schedule cannot drift from what actually runs.
fn list_systems(content: &str, json_path: &str) -> std::io::Result<()> {
    let mut world = crate::build_world_from_str(content)?;
    complete(&mut world)?;
    let lines = manifest_lines(&world);

    if lines.is_empty() {
        println!("{} runs no systems.", json_path);
        return Ok(());
    }

    println!("{} runs {} system(s), in order:", json_path, lines.len());
    for line in &lines {
        println!("  {}", line);
    }
    Ok(())
}

// Run the table's own completion pass, the way `World::start` does before it
// gates: a HUD or overlay the engine injects brings its own system with it, so
// a manifest taken before the pass would be missing them.
fn complete(world: &mut concinnity_engine::ecs::World) -> std::io::Result<()> {
    let Some(complete) = concinnity_engine::ecs::SYSTEMS.complete_world else {
        return Ok(());
    };
    complete(&mut world.context())
        .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e.to_string()))
}

// One "<name>  <present_when>" row per system the world's content gates in, in
// run order. Split out from the printing so it is unit-testable without
// capturing stdout. The reason column is the `present_when` from the static
// schedule table (`ecs::SYSTEMS`), keyed by the manifest's system name.
fn manifest_lines(world: &concinnity_engine::ecs::World) -> Vec<String> {
    let manifest = world.system_manifest(concinnity_engine::ecs::SYSTEMS);
    let width = manifest.iter().map(|n| n.len()).max().unwrap_or(0);
    manifest
        .iter()
        .map(|name| {
            let reason = concinnity_engine::ecs::SYSTEMS
                .entries
                .iter()
                .find(|e| e.name == *name)
                .map(|e| e.present_when)
                .unwrap_or("");
            format!("{name:<width$}  {reason}")
        })
        .collect()
}

#[cfg(test)]
mod tests {
    use super::*;

    fn write_world(content: &str) -> (tempfile::TempDir, String) {
        let dir = tempfile::tempdir().unwrap();
        let path = dir.path().join("world.jsonl");
        std::fs::write(&path, content).unwrap();
        (dir, path.to_string_lossy().into_owned())
    }

    #[test]
    fn resolve_world_path_prefers_an_explicit_existing_path() {
        let (_dir, path) = write_world("");
        assert_eq!(resolve_world_path(Some(&path)).unwrap(), path);
    }

    // A minimal rendering world with a controlled camera gates in the graphics,
    // overlay, and camera systems; each manifest line names the system and the
    // condition that includes it.
    #[test]
    fn manifest_lines_report_the_world_schedule_with_reasons() {
        let world = crate::build_world_from_str(
            "{\"name\":\"gfx\",\"type\":\"GraphicsConfig\",\"args\":{}}\n\
             {\"name\":\"cam\",\"type\":\"Camera3D\",\"args\":{\"controller\":{\"free_fly\":true}}}\n",
        )
        .unwrap();
        let lines = manifest_lines(&world);
        let joined = lines.join("\n");
        assert!(joined.contains("GraphicsSystem"), "{joined}");
        assert!(joined.contains("Camera3DSystem"), "{joined}");
        // The reason column is present (GraphicsSystem gates on a GraphicsConfig).
        assert!(joined.contains("GraphicsConfig"), "{joined}");
    }

    // A system only an injected default turns on is still reported: the
    // listing completes the world first, exactly as `World::start` does.
    #[test]
    fn the_manifest_reports_systems_the_engine_defaults_turn_on() {
        let mut world = crate::build_world_from_str(
            "{\"name\":\"gfx\",\"type\":\"GraphicsConfig\",\"args\":{}}\n",
        )
        .unwrap();
        assert!(
            !manifest_lines(&world).join("\n").contains("DebugHud"),
            "the world declares no DebugHud of its own"
        );
        complete(&mut world).unwrap();
        assert!(
            manifest_lines(&world).join("\n").contains("DebugHud"),
            "the injected debug HUD brings its system with it"
        );
    }

    // The `--systems` path drives end to end on a valid world.
    #[test]
    fn list_with_systems_flag_is_ok() {
        let (_dir, path) =
            write_world("{\"name\":\"gfx\",\"type\":\"GraphicsConfig\",\"args\":{}}\n");
        list(Some(&path), false, true).unwrap();
    }

    fn loaded_world_fixture() -> concinnity_cook::build_only::LoadedWorld {
        concinnity_cook::build_only::LoadedWorld {
            assets: Vec::new(),
            injected: vec![concinnity_cook::build_only::InjectedAsset {
                name: "debug_hud".to_string(),
                asset_type: "DebugHud".to_string(),
                args: serde_json::json!({}),
                injected_by: "debug_hud",
            }],
            generated: vec![concinnity_cook::build_only::GeneratedAsset {
                name: "bistro_mat_wood".to_string(),
                asset_type: "Material".to_string(),
                generated_by: "bistro".to_string(),
            }],
            shadowed: vec![concinnity_cook::build_only::ShadowedAsset {
                name: "bistro_mat_glass".to_string(),
                asset_type: "Material".to_string(),
                generated_by: "bistro".to_string(),
                args: serde_json::json!({}),
            }],
            authored: vec!["cam".to_string(), "bistro_mat_glass".to_string()],
        }
    }

    #[test]
    fn provenance_reports_authored_names() {
        assert_eq!(provenance(&loaded_world_fixture(), "cam"), "authored");
    }

    #[test]
    fn provenance_reports_the_injection_pass() {
        assert_eq!(
            provenance(&loaded_world_fixture(), "debug_hud"),
            "injected:debug_hud"
        );
    }

    // A generated asset names the import that produced it, so a listing of a
    // scene import's thousands of entries stays attributable.
    #[test]
    fn provenance_reports_the_generating_import() {
        assert_eq!(
            provenance(&loaded_world_fixture(), "bistro_mat_wood"),
            "generated:bistro"
        );
    }

    // An authored copy of a generated asset is authored, but the listing says
    // what it overrides: the import no longer drives that asset.
    #[test]
    fn provenance_reports_what_an_authored_copy_shadows() {
        assert_eq!(
            provenance(&loaded_world_fixture(), "bistro_mat_glass"),
            "authored (shadows bistro)"
        );
    }

    #[test]
    fn provenance_falls_back_to_expanded() {
        assert_eq!(provenance(&loaded_world_fixture(), "anything"), "expanded");
    }

    #[test]
    fn list_of_an_empty_world_is_ok() {
        let (_dir, path) = write_world("");
        list(Some(&path), false, false).unwrap();
    }

    #[test]
    fn list_prints_known_and_unknown_types() {
        // GraphicsConfig resolves through the component registry, AudioClip
        // through the resource-asset registry; the made-up type falls back
        // to "?" origin / payload without erroring.
        let (_dir, path) = write_world(concat!(
            "{\"name\":\"gfx\",\"type\":\"GraphicsConfig\",\"args\":{}}\n",
            "{\"name\":\"clip\",\"type\":\"AudioClip\",\"args\":{}}\n",
            "{\"name\":\"odd\",\"type\":\"NotARealAssetType\",\"args\":{}}\n",
            "{\"type\":\"GraphicsConfig\",\"args\":{}}\n",
        ));
        list(Some(&path), false, false).unwrap();
    }

    #[test]
    fn registration_for_resolves_component_types() {
        let r = registration_for("GraphicsConfig").unwrap();
        assert_eq!(r.type_name, "GraphicsConfig");
    }

    #[test]
    fn registration_for_resolves_resource_assets() {
        // A resource asset is a registered type like any other; what marks it is
        // the handle space it reports, not a separate registry.
        for name in ["AudioClip", "Texture"] {
            assert!(RegisteredType::parse(name).is_some_and(|t| t.is_resource()));
            let r = registration_for(name).unwrap();
            assert_eq!(
                r.origin,
                concinnity_cook::authoring::registry::AssetOrigin::External
            );
            assert_eq!(
                r.payload,
                concinnity_cook::authoring::registry::AssetPayload::Compiled
            );
        }
    }

    #[test]
    fn registration_for_unknown_type_is_none() {
        assert!(registration_for("NotARealAssetType").is_none());
    }

    #[test]
    fn list_with_invalid_json_errors() {
        let (_dir, path) = write_world("{ not json\n");
        let err = list(Some(&path), false, false).unwrap_err();
        assert_eq!(err.kind(), std::io::ErrorKind::InvalidData);
    }

    #[test]
    fn list_expanded_runs_the_build_front_half() {
        let (_dir, path) =
            write_world("{\"name\":\"gfx\",\"type\":\"GraphicsConfig\",\"args\":{}}\n");
        list(Some(&path), true, false).unwrap();
    }

    #[test]
    fn list_expanded_rejects_an_unknown_asset_type() {
        let (_dir, path) =
            write_world("{\"name\":\"odd\",\"type\":\"NotARealAssetType\",\"args\":{}}\n");
        assert!(list(Some(&path), true, false).is_err());
    }

    // An unreadable world is reported rather than panicking. A directory stands
    // in for the unreadable file: it passes the exists() check that selects the
    // explicit path, then fails the read.
    #[test]
    fn list_of_an_unreadable_world_surfaces_the_read_error() {
        let dir = tempfile::tempdir().unwrap();
        let path = dir.path().to_string_lossy().into_owned();
        assert!(list(Some(&path), false, false).is_err());
    }

    // An empty world expands to nothing (injection is conditional on what the
    // world declares), so the expanded listing has no table to print.
    #[test]
    fn list_expanded_of_an_empty_world_is_ok() {
        let (_dir, path) = write_world("");
        list(Some(&path), true, false).unwrap();
    }

    // Likewise the schedule: with nothing declared, no system gates in.
    #[test]
    fn list_systems_of_an_empty_world_is_ok() {
        let (_dir, path) = write_world("");
        list(Some(&path), false, true).unwrap();
    }

    #[test]
    fn manifest_lines_of_an_empty_world_are_empty() {
        let world = crate::build_world_from_str("").unwrap();
        assert!(manifest_lines(&world).is_empty());
    }
}