/**
 * 生成技能库机器可读 manifest：js/data/manifest/skills.json
 * 用法：node scripts/build-skill-manifest.js
 * 仅导出技能元数据（含流程步骤/性质/工作区），run/test 实现留在 js/skills/、js/poster-skills/、js/sticker-skills/ 供系统执行。
 * 注意：技能文件顶层 const HGB_* 是词法绑定，不挂 sandbox，必须全部拼接进同一 vm 代码串后直接引用。
 */
const fs = require('fs');
const path = require('path');
const vm = require('vm');

const ROOT = process.cwd();
const read = f => fs.readFileSync(path.join(ROOT, f), 'utf8');

// 共享技能（core + 7 分类）+ 海报技能（core + skills）+ 表情技能（core + skills）
const SKILL_FILES = [
  'js/skills/core.js',
  'js/skills/layout.js', 'js/skills/color.js', 'js/skills/typography.js',
  'js/skills/icon.js', 'js/skills/ai.js', 'js/skills/presentation.js', 'js/skills/export.js',
  'js/poster-skills/core.js', 'js/poster-skills/skills.js',
  'js/sticker-skills/core.js', 'js/sticker-skills/skills.js'
];
// 技能定义期/自测可能引用的数据依赖（与浏览器加载顺序一致；表情技能可能引用动画引擎）
const DEP_FILES = [
  'js/data/icons.js', 'js/data/industries.js', 'js/data/styles.js',
  'js/data/decorations.js', 'js/data/palettes.js', 'js/data/fonts.js',
  'js/data/builtin-icons.js', 'js/core/generator.js', 'js/core/motion.js'
];

const code = DEP_FILES.map(read).join('\n') + '\n' + SKILL_FILES.map(read).join('\n') + `
;globalThis.__MANIFEST = (function () {
  var catOf = function (list) {
    var m = {};
    list.forEach(function (s) { m[s.category] = (m[s.category] || 0) + 1; });
    return m;
  };
  var shared = (typeof HGB_Skills !== 'undefined') ? HGB_Skills.all().map(function (s) {
    return {
      id: s.id, name: s.name, category: s.category, emoji: s.emoji,
      scene: s.scene, summary: s.summary, params: s.params, source: s.source,
      step: HGB_Skills.stepOf(s.id), kind: HGB_Skills.kind(s.id),
      workspaces: HGB_Skills.workspacesOf(s.id)
    };
  }) : [];
  var poster = (typeof HGB_PosterSkills !== 'undefined') ? HGB_PosterSkills.all().map(function (s) {
    return {
      id: s.id, name: s.name, category: s.category, emoji: s.emoji,
      scene: s.scene, summary: s.summary, params: s.params, source: s.source,
      workspaces: HGB_PosterSkills.workspacesOf(s.id)
    };
  }) : [];
  var sticker = (typeof HGB_StickerSkills !== 'undefined') ? HGB_StickerSkills.all().map(function (s) {
    return {
      id: s.id, name: s.name, category: s.category, emoji: s.emoji,
      scene: s.scene, summary: s.summary, params: s.params, source: s.source,
      workspaces: HGB_StickerSkills.workspacesOf(s.id)
    };
  }) : [];
  return {
    shared: shared,
    poster: poster,
    sticker: sticker,
    steps: (typeof HGB_Skills !== 'undefined' && HGB_Skills.steps) ? HGB_Skills.steps() : []
  };
})();
`;

const sandbox = { console, setTimeout, clearTimeout, window: null, self: null };
sandbox.window = sandbox;
sandbox.self = sandbox;
try {
  vm.runInNewContext(code, sandbox, { filename: 'skills-manifest.js' });
} catch (e) {
  console.error('❌ 技能 manifest 生成失败：' + e.message);
  process.exit(1);
}

const m = sandbox.__MANIFEST;
if (!m.shared.length && !m.poster.length && !m.sticker.length) {
  console.error('❌ 未注册任何技能，检查技能文件加载');
  process.exit(1);
}

const out = {
  kind: 'skills',
  generatedAt: new Date().toISOString(),
  guide: 'js/data/manifest/README.md',
  shared: {
    total: m.shared.length,
    categories: m.steps.map(s => s), // 设计流程 5 步元数据（共享技能按流水线组织）
    skills: m.shared
  },
  poster: {
    total: m.poster.length,
    categories: null, // 海报技能按 8 分类，见各 skill.category
    skills: m.poster
  },
  sticker: {
    total: m.sticker.length,
    categories: null, // 表情技能按 motion/emotion 分类，见各 skill.category
    skills: m.sticker
  }
};

const manifestDir = path.join(ROOT, 'js/data/manifest');
fs.mkdirSync(manifestDir, { recursive: true });
fs.writeFileSync(path.join(manifestDir, 'skills.json'), JSON.stringify(out, null, 1), 'utf8');
console.log(`✅ 技能 manifest：共享 ${m.shared.length} 个 / 海报 ${m.poster.length} 个 / 表情 ${m.sticker.length} 个 → js/data/manifest/skills.json`);