/**
 * Plugins staleness — one directory per plugin, marker file is
 * `.claude-plugin/plugin.json`. First-wins across project > user > system
 * > extras. Fingerprints the entire plugin root (skills, commands, hooks,
 * etc. live INSIDE the plugin dir, so a content fingerprint covers them).
 *
 * Not tracked in v1 manifests; same one-time re-sync trade-off as workflows.
 */
import * as fs from 'fs';
import * as path from 'path';
import { firstWinsLayers, listAcrossLayers, resolveByName } from '../layers.js';
import { fingerprintDir, isDirStale } from '../fingerprint.js';
function isPluginDir(full) {
    try {
        return fs.statSync(full).isDirectory()
            && fs.existsSync(path.join(full, '.claude-plugin', 'plugin.json'));
    }
    catch {
        return false;
    }
}
export const pluginsChecker = {
    type: 'plugins',
    listNames(cwd) {
        return listAcrossLayers(firstWinsLayers(cwd), 'plugins', (_, full) => isPluginDir(full));
    },
    build(name, cwd) {
        const resolved = resolveByName(firstWinsLayers(cwd), path.join('plugins', name), isPluginDir);
        if (!resolved)
            return null;
        return { dirPath: resolved.path, files: fingerprintDir(resolved.path) };
    },
    isFresh(name, stored, cwd) {
        const resolved = resolveByName(firstWinsLayers(cwd), path.join('plugins', name), isPluginDir);
        if (!resolved)
            return false;
        return !isDirStale(stored.dirPath, stored.files, resolved.path);
    },
};
