const jwt = require('jsonwebtoken');
const http = require('http');
const { execSync } = require('child_process');
const fs = require('fs');

const KEY = 'user:1022172:47';
const SECRET = 'da4e4367277668aa6e048b0a04d1a417ba8bad630f4ac37ccdcea064a9de151e';
const ADDON_ID = 'verstak-bridge@verstak.app';

function makeJWT() {
  return jwt.sign({
    iss: KEY, jti: Math.random().toString(36).slice(2),
    iat: Math.floor(Date.now() / 1000), exp: Math.floor(Date.now() / 1000) + 300
  }, SECRET);
}

function proxyReq(method, url, headers) {
  return new Promise((resolve, reject) => {
    const u = new URL(url);
    const req = http.request({
      hostname: 'localhost', port: 12334, path: url, method,
      headers: Object.assign({ 'Host': u.hostname }, headers)
    }, res => {
      const chunks = [];
      res.on('data', c => chunks.push(c));
      res.on('end', () => resolve({ status: res.statusCode, body: Buffer.concat(chunks) }));
    });
    req.on('error', reject);
    req.end();
  });
}

async function main() {
  const token = makeJWT();
  const auth = 'JWT ' + token;

  // Get version 1.0.3 details
  console.log('==> Getting 1.0.3 file details...');
  const vRes = await proxyReq('GET', `https://addons.mozilla.org/api/v5/addons/addon/${ADDON_ID}/versions/6297788/`, { 'Authorization': auth });
  const vData = JSON.parse(vRes.body.toString());
  const file = vData.file;
  console.log(`  Status: ${file.status} Size: ${file.size} URL: ${file.url}`);

  if (file.status !== 'public' || !file.url) {
    console.log('  Not ready yet');
    process.exit(1);
  }

  // Download 1.0.3
  console.log('==> Downloading 1.0.3...');
  fs.mkdirSync('release/firefox', { recursive: true });
  const out103 = 'release/firefox/verstak-firefox-1.0.3.xpi';
  execSync(`curl -s -x http://localhost:12334 -L "${file.url}" -H "Authorization: ${auth}" -o "${out103}"`, { timeout: 60000 });
  
  const fd = fs.openSync(out103, 'r');
  const magic = Buffer.alloc(4);
  fs.readSync(fd, magic, 0, 4, 0);
  fs.closeSync(fd);
  
  console.log(`  1.0.3: ${out103} (${(fs.statSync(out103).size / 1024).toFixed(1)} KB) ZIP: ${magic[0]===0x50 && magic[1]===0x4B ? 'VALID ✓' : 'INVALID ✗'}`);

  // List contents
  console.log('  Contents:');
  execSync(`unzip -l "${out103}" 2>&1 | grep -v "^Archive" | grep -v "^  Length" | grep -v "^---------" | grep -v "^-$"`);

  // Generate updates.json for 1.0.3
  const updatesJson = JSON.stringify({
    addons: {
      'verstak-bridge@verstak.app': {
        updates: [{ version: '1.0.3', update_link: 'https://mirv.top/verstak/firefox/verstak-firefox-1.0.3.xpi' }]
      }
    }
  }, null, 2);
  
  fs.writeFileSync('release/firefox/updates.json', updatesJson);
  console.log('\n==> updates.json written');
  console.log(updatesJson);

  console.log('\n==> DONE ✓');
}

main().catch(e => { console.error(e.message); process.exit(1); });