const get = require('simple-get');
const util = require('./util');
const proxy = require('./proxy');

function findAssetId(opts, cb) {
  const downloadUrl = util.getDownloadUrl(opts);
  const apiUrl = util.getApiUrl(opts);
  const log = opts.log || util.noopLogger;

  log.http('request', 'GET ' + apiUrl);
  const reqOpts = proxy(
    {
      url: apiUrl,
      json: true,
      headers: {
        'User-Agent': 'simple-get',
        Authorization: 'token ' + opts.token,
      },
    },
    opts
  );

  const req = get.concat(reqOpts, function (err, res, data) {
    if (err) return cb(err);
    log.http(res.statusCode, apiUrl);
    if (res.statusCode !== 200) return cb(err);

    // Find asset id in release
    for (const release of data) {
      if (release.tag_name === opts['tag-prefix'] + opts.pkg.version) {
        for (const asset of release.assets) {
          if (asset.browser_download_url === downloadUrl) {
            return cb(null, asset.id);
          }
        }
      }
    }

    cb(new Error('Could not find GitHub release for version'));
  });

  req.setTimeout(30 * 1000, function () {
    req.abort();
  });
}

module.exports = findAssetId;