// 验证 docs/openapi.yaml 与 Go 路由一致性（t4 验收辅助）
const fs = require('fs');
const YAML = require('/opt/homebrew/lib/node_modules/@deepseek-ai/dsh/node_modules/yaml');

const doc = YAML.parse(fs.readFileSync('docs/openapi.yaml', 'utf8'));

const goRoutes = new Set();
function scan(src) {
  let group = '';
  for (const raw of src.split('\n')) {
    const line = raw.trim();
    const gm = line.match(/^(\w+)\s*:=\s*r\.Group\("([^"]+)"/);
    if (gm) { group = gm[2]; continue; }
    const am = line.match(/^admin\.POST\("([^"]+)"/);
    if (am) { goRoutes.add('POST ' + group + am[1]); continue; }
    const m = line.match(/^(r|share|chunk|presign|authed)\.(GET|POST|PUT|PATCH|DELETE)\("([^"]+)"/);
    if (m) {
      const base = (m[1] === 'r') ? '' : group;
      goRoutes.add(m[2] + ' ' + base + m[3].replace(/:([A-Za-z]+)/g, '{$1}'));
    }
  }
}
scan(fs.readFileSync('server/internal/api/router.go', 'utf8'));
scan(fs.readFileSync('server/internal/api/admin.go', 'utf8'));
scan(fs.readFileSync('server/internal/api/setup.go', 'utf8'));

const oaRoutes = new Set();
for (const [p, item] of Object.entries(doc.paths)) {
  for (const method of Object.keys(item)) {
    if (['get', 'post', 'put', 'patch', 'delete'].includes(method)) oaRoutes.add(method.toUpperCase() + ' ' + p);
  }
}
const goOnly = [...goRoutes].filter(r => !oaRoutes.has(r));
const oaOnly = [...oaRoutes].filter(r => !goRoutes.has(r));
console.log('Go 路由数:', goRoutes.size, ' OpenAPI 操作数:', oaRoutes.size);
console.log('Go 有而 OpenAPI 缺:', goOnly.length ? goOnly : '无');
console.log('OpenAPI 有而 Go 缺:', oaOnly.length ? oaOnly : '无');
console.log('（注：POST /chunk/upload 为扁平兼容端点，文档按 go-api 定稿仅写主路径 /chunk/upload/{uploadID}/{chunkIndex}）');