#!/usr/bin/env node
/**
 * verify-site-routing.mjs — 校验组件端入口、SPA 路由契约和 sitemap 覆盖。
 * 只使用 Node 内置模块，不启动服务、不修改文件。
 */
import { existsSync, readdirSync, readFileSync, statSync } from 'node:fs';
import { join } from 'node:path';

const ROOT = process.cwd();
const SITE = join(ROOT, 'site');
const COMPONENTS = join(SITE, 'components');
const app = readFileSync(join(SITE, 'app.js'), 'utf8');
const data = JSON.parse(readFileSync(join(SITE, 'data.json'), 'utf8'));
const sitemap = readFileSync(join(ROOT, 'sitemap.xml'), 'utf8');
const platforms = ['h5', 'react', 'vue2', 'vue3'];
const failures = [];
const check = (ok, message) => { if (!ok) failures.push(message); };

const components = data.components || [];
check(components.length === 79, `expected 79 components, got ${components.length}`);
check(app.includes("(?:\\/([a-z0-9-]+))?"), 'SPA platform route parser is missing');
check(app.includes("PLATFORM_KINDS = { h5: 'html', react: 'jsx', vue2: 'vue2', vue3: 'vue3' }"), 'platform kind map is missing');
check(app.includes("a.href = componentPageHref(c, platform)"), 'other-platform links do not use component pages');

let shellCount = 0;
for (const component of components) {
  const slug = component.slug;
  const legacy = join(COMPONENTS, `${slug}.html`);
  check(existsSync(legacy), `missing legacy shell: ${slug}.html`);
  if (existsSync(legacy)) {
    const legacyText = readFileSync(legacy, 'utf8');
    check(!legacyText.includes('aurora-admin/"site/components'), `legacy canonical is malformed: ${slug}`);
  }
  for (const platform of platforms) {
    const shell = join(COMPONENTS, slug, `${platform}.html`);
    shellCount += 1;
    check(existsSync(shell), `missing platform shell: ${slug}/${platform}.html`);
    if (!existsSync(shell)) continue;
    const text = readFileSync(shell, 'utf8');
    check(text.includes(`#/component/${slug}/${platform}`), `wrong route target: ${slug}/${platform}`);
    check(text.includes(`/site/components/${slug}/${platform}.html`), `wrong canonical: ${slug}/${platform}`);
    check(!text.includes('aurora-admin/"site/components'), `malformed canonical: ${slug}/${platform}`);
  }
}

const urlCount = (sitemap.match(/<url><loc>/g) || []).length;
check(urlCount === 1 + components.length * (1 + platforms.length), `sitemap URL count is ${urlCount}, expected ${1 + components.length * (1 + platforms.length)}`);
check(sitemap.includes('<loc>https://YOUR-ACCOUNT.github.io/aurora-admin/site/index.html</loc>'), 'site index is missing from sitemap');

const dirs = readdirSync(COMPONENTS).filter((name) => {
  const path = join(COMPONENTS, name);
  return existsSync(path) && statSync(path).isDirectory();
});
check(dirs.length === components.length, `platform shell directories are ${dirs.length}, expected ${components.length}`);
check(shellCount === components.length * platforms.length, `platform shell count is ${shellCount}`);

if (failures.length) {
  console.error(`[routing] FAIL (${failures.length})`);
  failures.forEach((failure) => console.error(`- ${failure}`));
  process.exit(1);
}

console.log(`[routing] OK: ${components.length} components / ${shellCount} platform shells / ${urlCount} sitemap URLs`);