declare let bugsnag: (options: object) => {
  start: (apiKey: string) => void;
  notify: (error: Error) => void;
};

import { version as appVersion } from '../package.json';

const config = {
  appVersion,
  apiKey: process.env.BUGSNAG_KEY,
  // Note: `parcel build` always sets NODE_ENV='production'.  This isn't really correct
  // the static files are served locally, however.
  // To avoid generating bugsnag reports in dev environments, we set the stage based
  // on hostname-sniffing.
  releaseStage: /npmgraph/.test(window.location.hostname)
    ? 'production'
    : 'development',
};

const bugsnagLoaded = typeof bugsnag != 'undefined';

if (bugsnagLoaded) {
  console.log('BugSnag config:', config);
} else {
  console.error(
    'Bugsnag failed to load.  Maybe disable your ad blocker for this site?'
  );
}

const pageStart = Date.now();

let client = {
  notify(err, { severity }) {
    console[severity](err);
  },
};

if (bugsnagLoaded && config.apiKey) {
  client = bugsnag({
    ...config,
    notifyReleaseStages: ['production'],
    beforeSend: function (report) {
      report.updateMetaData('page', {
        location: String(location),
        pageTime: Date.now() - pageStart,
      });
    },
  });
}

export { client };