#!/usr/bin/env node
/**
 * verify-families.mjs - 族层端到端一致性验证
 *
 * 验证链路：family-model.mjs → 契约 JSON → build-site.ps1 → data.json → site/details
 * 外加仓库级硬约束（frameworks 395 / 薄壳 79 / slug 全集不变）。
 *
 * 任一失败即退出码 1，输出 `FAIL: ...`。全部通过输出 `OK: ...` 与统计。
 *
 * 用法：node tools/verify-families.mjs
 */

import fs from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import { FAMILIES, IMPLEMENTED_FAMILIES, memberIndex } from './lib/family-model.mjs';

const ROOT = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
const LIB = path.join(ROOT, '.design_library', 'kole-ui');
const COMPONENTS = path.join(LIB, 'components');
const FAMILIES_FILE = path.join(LIB, 'families.json');
const DATA_JSON = path.join(ROOT, 'site', 'data.json');
const DETAILS = path.join(ROOT, 'site', 'details');
const FRAMEWORKS = path.join(ROOT, 'frameworks');
const SHELLS = path.join(ROOT, 'site', 'components');

const COMPONENT_INDEX = JSON.parse(fs.readFileSync(path.join(COMPONENTS, 'index.json'), 'utf8'));
const EXPECT_COMPONENTS = COMPONENT_INDEX.components.length;
const EXPECT_FRAMEWORK_FILES = EXPECT_COMPONENTS * 5;
const KINDS = ['html', 'css', 'jsx', 'vue2', 'vue3'];

const failures = [];
const notes = [];

function fail(msg) {
  failures.push(msg);
}
function check(cond, msg) {
  if (!cond) fail(msg);
  return cond;
}
function readJson(file) {
  return JSON.parse(fs.readFileSync(file, 'utf8'));
}

/* ---------- 0. 模型自检 ---------- */
let model = {};
try {
  model = memberIndex();
} catch (e) {
  fail('族模型自检失败：' + e.message);
}

const modelSlugs = Object.keys(model);
check(modelSlugs.length > 0, '族模型为空');
check(
  modelSlugs.length === new Set(modelSlugs).size,
  '族模型存在重复成员 slug'
);

/* 基座唯一性 + 成员参数必须落在参数面声明内 */
const declaredParams = new Map();
for (const f of FAMILIES) {
  declaredParams.set(f.id, new Set((f.paramSurface || []).map((p) => p.name)));
  const bases = f.members.filter((m) => m.role === 'base');
  check(bases.length === 1, `族 ${f.id} 应恰好 1 个 base，实际 ${bases.length}`);
  check(
    bases.length === 1 && bases[0].slug === f.base,
    `族 ${f.id} 的 base 字段 ${f.base} 与 role=base 的成员不一致`
  );
  for (const m of f.members) {
    for (const k of Object.keys(m.params || {})) {
      check(
        declaredParams.get(f.id).has(k),
        `族 ${f.id} 成员 ${m.slug} 的 ${k} 未在 paramSurface 声明`
      );
    }
  }
}

/* ---------- 1. families.json 与模型一致 ---------- */
if (!fs.existsSync(FAMILIES_FILE)) {
  console.error('FAIL: families.json 不存在（先跑 node tools/gen-families.mjs）');
  process.exit(1);
}
const famDoc = readJson(FAMILIES_FILE);
check(famDoc.totalFamilies === FAMILIES.length, `families.json totalFamilies=${famDoc.totalFamilies} ≠ 模型 ${FAMILIES.length}`);
check(famDoc.families.length === FAMILIES.length, 'families.json 族数量与模型不符');
check(famDoc.totalMembers === modelSlugs.length, `families.json totalMembers=${famDoc.totalMembers} ≠ 模型 ${modelSlugs.length}`);
for (const f of famDoc.families) {
  const src = FAMILIES.find((x) => x.id === f.id);
  check(!!src, `families.json 含模型未定义的族 ${f.id}`);
  if (!src) continue;
  check(
    JSON.stringify(f.members.map((m) => m.slug).sort()) === JSON.stringify(src.members.map((m) => m.slug).sort()),
    `族 ${f.id} 成员集合与模型不符`
  );
  check(!!f.basePrefix, `族 ${f.id} 缺少 basePrefix（index.json 里查不到 ${f.base}）`);
  check(!!f.mergeBasis && f.mergeBasis.length > 20, `族 ${f.id} 缺少 mergeBasis 依据`);
  check(Array.isArray(f.paramSurface) && f.paramSurface.length > 0, `族 ${f.id} 缺少 paramSurface`);
}
check(
  JSON.stringify(famDoc.implementedFamilies || []) === JSON.stringify(IMPLEMENTED_FAMILIES),
  'families.json implementedFamilies 与模型不符'
);

/* ---------- 2. 全量契约的族字段 ---------- */
let injected = 0;
let standalone = 0;
const index = COMPONENT_INDEX;
const indexSlugs = index.components.map((c) => c.slug);

for (const c of index.components) {
  const file = path.join(COMPONENTS, c.slug + '.json');
  if (!check(fs.existsSync(file), `契约缺失 ${c.slug}.json`)) continue;
  const doc = readJson(file);
  const m = model[c.slug];
  if (m) {
    injected++;
    check(doc.family === m.family, `${c.slug}.json family=${doc.family} ≠ ${m.family}`);
    check(doc.familyRole === m.role, `${c.slug}.json familyRole=${doc.familyRole} ≠ ${m.role}`);
    check(
      JSON.stringify(doc.familyParams || {}) === JSON.stringify(m.params || {}),
      `${c.slug}.json familyParams=${JSON.stringify(doc.familyParams)} ≠ ${JSON.stringify(m.params)}`
    );
  } else {
    standalone++;
    check(doc.family === undefined, `独立组件 ${c.slug}.json 不应有 family 字段`);
  }
  /* 注入不得破坏既有契约字段 */
  check(Array.isArray(doc.semanticTypeCandidates), `${c.slug}.json 既有字段 semanticTypeCandidates 丢失`);
  check(typeof doc.name === 'string', `${c.slug}.json 既有字段 name 丢失`);
}
check(injected === modelSlugs.length, `契约注入数 ${injected} ≠ 模型成员数 ${modelSlugs.length}`);
check(
  injected + standalone === EXPECT_COMPONENTS,
  `契约总数 ${injected + standalone} ≠ ${EXPECT_COMPONENTS}`
);

/* ---------- 3. data.json 产物 ---------- */
if (check(fs.existsSync(DATA_JSON), 'site/data.json 不存在（先跑 npm run build:site）')) {
  const data = readJson(DATA_JSON);
  check(data.components.length === EXPECT_COMPONENTS, `data.json 组件数 ${data.components.length} ≠ ${EXPECT_COMPONENTS}`);

  /* 3a. slug 全集不变 —— 铁律 5：data.json 是对外承诺 */
  const got = data.components.map((c) => c.slug);
  check(
    JSON.stringify([...got].sort()) === JSON.stringify([...indexSlugs].sort()),
    'data.json 的 slug 集合与 index.json 不一致（对外承诺被破坏）'
  );
  check(new Set(got).size === got.length, 'data.json 存在重复 slug');

  /* 3b. 族层存在且自洽 */
  check(data.families != null, 'data.json 缺少顶层 families 字段');
  if (data.families) {
    check(data.families.totalFamilies === FAMILIES.length, `data.json families.totalFamilies=${data.families.totalFamilies} ≠ ${FAMILIES.length}`);
    check(data.families.totalMembers === modelSlugs.length, `data.json families.totalMembers=${data.families.totalMembers} ≠ ${modelSlugs.length}`);
    for (const f of data.families.families) {
      check(!!f.basePrefix, `data.json 族 ${f.id} 缺少 basePrefix`);
      for (const m of f.members) check(!!m.frameworksPrefix, `data.json 族 ${f.id} 成员 ${m.slug} 缺少 frameworksPrefix`);
    }
  }
  check(data.meta.families === FAMILIES.length, `data.json meta.families=${data.meta.families} ≠ ${FAMILIES.length}`);
  check(data.meta.familyMembers === modelSlugs.length, `data.json meta.familyMembers=${data.meta.familyMembers} ≠ ${modelSlugs.length}`);

  /* 3c. 每个组件要么在族里且字段正确，要么字段为 null */
  let withFam = 0;
  for (const c of data.components) {
    const m = model[c.slug];
    if (m) {
      withFam++;
      check(c.family === m.family, `data.json ${c.slug}.family=${c.family} ≠ ${m.family}`);
      check(c.familyRole === m.role, `data.json ${c.slug}.familyRole=${c.familyRole} ≠ ${m.role}`);
      check(
        JSON.stringify(c.familyParams || {}) === JSON.stringify(m.params || {}),
        `data.json ${c.slug}.familyParams 与模型不符`
      );
      /* 参数面自洽：familyParams 的每个键都在该族 paramSurface 内 */
      const surface = declaredParams.get(m.family);
      for (const k of Object.keys(c.familyParams || {})) {
        check(surface.has(k), `data.json ${c.slug} 的 familyParams.${k} 不在族参数面内`);
      }
    } else {
      check(c.family === null && c.familyRole === null && c.familyParams === null, `独立组件 ${c.slug} 的族字段应为 null`);
    }
  }
  check(withFam === modelSlugs.length, `data.json 带族字段组件数 ${withFam} ≠ ${modelSlugs.length}`);
}

/* ---------- 4. site/details 明细 ---------- */
if (check(fs.existsSync(DETAILS), 'site/details 不存在（先跑 npm run build:site）')) {
  let detailOk = 0;
  for (const slug of modelSlugs) {
    const f = path.join(DETAILS, slug + '.json');
    if (!check(fs.existsSync(f), `details 缺失 ${slug}.json`)) continue;
    const d = readJson(f);
    check(d.family === model[slug].family, `details/${slug}.json family 不符`);
    check(d.familyRole === model[slug].role, `details/${slug}.json familyRole 不符`);
    detailOk++;
  }
  notes.push(`details 携带族字段：${detailOk}/${modelSlugs.length}`);
}

/* ---------- 5. 仓库级硬约束 ---------- */
const fwFiles = fs.readdirSync(FRAMEWORKS).filter((f) => fs.statSync(path.join(FRAMEWORKS, f)).isFile());
check(
  fwFiles.length === EXPECT_FRAMEWORK_FILES,
  `frameworks/ 文件数 ${fwFiles.length} ≠ ${EXPECT_FRAMEWORK_FILES}（tools/pack-deploy.mjs 会硬断言）`
);

const shells = fs.readdirSync(SHELLS).filter((f) => f.endsWith('.html'));
check(shells.length === EXPECT_COMPONENTS, `site/components 薄壳数 ${shells.length} ≠ ${EXPECT_COMPONENTS}`);

/* 每个成员的 5 端文件齐全（PascalCase 前缀 × 5 后缀） */
let fileChecked = 0;
for (const c of index.components) {
  const p = c.frameworksPrefix;
  for (const k of KINDS) {
    const ext = { html: '.html', css: '.css', jsx: '.jsx', vue2: '.vue2.vue', vue3: '.vue3.vue' }[k];
    check(fs.existsSync(path.join(FRAMEWORKS, p + ext)), `${c.slug} 缺少 ${p + ext}`);
    fileChecked++;
  }
}
check(fileChecked === EXPECT_FRAMEWORK_FILES, `5 端文件校验数 ${fileChecked} ≠ ${EXPECT_FRAMEWORK_FILES}`);

/* ---------- 报告 ---------- */
function report() {
  const familyCount = FAMILIES.length;
  const memberCount = modelSlugs.length;
  const collapsed = memberCount - familyCount;
  console.log('族层验证');
  console.log('─'.repeat(58));
  console.log(`  族              ${familyCount} 个（其中已参数化实现 ${IMPLEMENTED_FAMILIES.length} 个）`);
  console.log(`  族成员          ${memberCount} 个组件`);
  console.log(`  独立组件        ${EXPECT_COMPONENTS - memberCount} 个`);
  console.log(`  概念组件数      ${familyCount}（族）+ ${EXPECT_COMPONENTS - memberCount}（独立）= ${familyCount + EXPECT_COMPONENTS - memberCount} 个，替代原本 ${EXPECT_COMPONENTS} 个并列组件`);
  console.log(`  契约注入        ${injected}/${memberCount}`);
  console.log(`  frameworks      ${EXPECT_FRAMEWORK_FILES} 文件（${EXPECT_COMPONENTS} x 5）`);
  console.log(`  测试页          ${shells ? shells.length : 0} 薄壳`);
  for (const [id, slugs] of groupByFamily()) {
    console.log(`  · ${id.padEnd(20)} ${slugs.length} 成员 → 1 基座（净减 ${slugs.length - 1}）`);
  }
  for (const n of notes) console.log('  ' + n);
  console.log('─'.repeat(58));

  if (failures.length) {
    console.error(`\nFAIL: ${failures.length} 项`);
    for (const f of failures) console.error('  - ' + f);
    process.exit(1);
  }
  console.log(`\nOK: 族层端到端一致（${FAMILIES.length} 族 / ${memberCount} 成员 / ${EXPECT_COMPONENTS} 组件不变 / ${EXPECT_FRAMEWORK_FILES} 文件不变）`);
  console.log(`    概念组件：${EXPECT_COMPONENTS} → ${FAMILIES.length + EXPECT_COMPONENTS - memberCount}（合并掉 ${collapsed} 个重复身份）`);
}

function groupByFamily() {
  return FAMILIES.map((f) => [f.id, f.members.map((m) => m.slug)]);
}

report();