const https = require('https');

const getUploadURLs = (api_key, project_key, js_file_urls) =>
  new Promise((resolve, reject) => {
    const pathPrefix = (global.SERVER.pathname + "/").replace(/\/+/g, '/');
    const req = https.request(
      {
        method: 'PUT',
        hostname: global.SERVER.host,
        path: pathPrefix + `${project_key}/sourcemaps/`,
        headers: { Authorization: api_key, 'Content-Type': 'application/json' },
      },
      res => {
        if (res.statusCode === 403) {
          reject("Authorisation rejected. Please, check your API_KEY and/or PROJECT_KEY.")
          return
        } else if (res.statusCode !== 200) {
          reject("Server Error. Please, contact OpenReplay support.");
          return;
        }
        let data = '';
        res.on('data', s => (data += s));
        res.on('end', () => resolve(JSON.parse(data).data));
      },
    );
    req.on('error', reject);
    req.write(JSON.stringify({ URL: js_file_urls }));
    req.end();
  });

const uploadSourcemap = (upload_url, sourcemap) =>
  new Promise((resolve, reject) => {
    body = Buffer.from(JSON.stringify(sourcemap.body));
    const req = https.request(
      upload_url,
      {
        method: 'PUT',
        headers: {
          'Content-Length': body.length,
          'Content-Type': 'application/json',
        },
      },
      res => {
        if (res.statusCode !== 200) {
          reject("Unable to upload. Please, contact OpenReplay support.");
          return;
        }
        resolve(sourcemap.sourcemap_file_path)
        //res.on('end', resolve);
      },
    );
    req.on('error', reject);
    req.write(body);
    req.end();
  });

module.exports = (api_key, project_key, sourcemaps) =>
  getUploadURLs(
    api_key,
    project_key,
    sourcemaps.map(({ js_file_url }) => js_file_url),
  ).then(upload_urls =>
    Promise.all(
      upload_urls.map((upload_url, i) =>
        uploadSourcemap(upload_url, sourcemaps[i])
      ),
    ),
  );