const fs = require('fs');
const path = require('path');

const FRONT_FILES = [
  path.join(__dirname, '..', 'niucloud-admin-java', 'admin', 'src', 'app', 'api'),
  path.join(__dirname, '..', 'niucloud-php', 'admin', 'src', 'app', 'api'),
];

function collectFrontendApiPaths() {
  const paths = new Set();
  const methodMap = new Map();
  for (const dir of FRONT_FILES) {
    if (!fs.existsSync(dir)) continue;
    for (const file of fs.readdirSync(dir)) {
      if (!file.endsWith('.ts')) continue;
      const full = path.join(dir, file);
      const txt = fs.readFileSync(full, 'utf8');
      const rx = /request\.(get|post|put|delete)\(\s*[`'"]([^`'"\)]+)[`'"]/gi;
      let m;
      while ((m = rx.exec(txt))) {
        const method = m[1].toUpperCase();
        const p = m[2].replace(/^\//, '');
        // Only admin panel sys/pay/... apis; skip absolute http urls
        if (/^https?:\/\//i.test(p)) continue;
        const backendPath = `adminapi/${p}`;
        const key = `${method} ${backendPath}`;
        if (!paths.has(key)) {
          paths.add(key);
          methodMap.set(key, { method, path: backendPath });
        }
      }
    }
  }
  return Array.from(methodMap.values())
    .sort((a, b) => (a.path === b.path ? a.method.localeCompare(b.method) : a.path.localeCompare(b.path)));
}

function main() {
  const list = collectFrontendApiPaths();
  const outDir = path.join(__dirname, 'contracts');
  if (!fs.existsSync(outDir)) fs.mkdirSync(outDir, { recursive: true });
  const outFile = path.join(outDir, 'routes.json');
  fs.writeFileSync(outFile, JSON.stringify(list, null, 2));
  console.log(`Wrote ${list.length} routes to ${outFile}`);
}

main();