import { Strategy as GoogleStrategy } from 'passport-google-oauth2';

import googleConfig from '../../config/config.google';
import GoogleStrategyMongodb from './strategy.google.mongodb';
import GoogleStrategyDefault from './strategy.google.default';
import { getEnabled as GetEnabled } from '../../config/functions/getEnabled';
import { Database } from '../../classes/Database';

export default (
  config = googleConfig,
  getEnabled = GetEnabled,
  googleStrategyMongodb = GoogleStrategyMongodb,
  googleStrategyDefault = GoogleStrategyDefault
): any => {
  if (config) {
    return new GoogleStrategy(
      {
        clientID: config.clientId,
        clientSecret: config.clientSecret,
        callbackURL: config.callbackURL,
        passReqToCallback: true
      },
      async (req, accessToken, refreshToken, profile, done) => {
        if (getEnabled(Database.mongodb)) {
          return googleStrategyMongodb(
            req,
            accessToken,
            refreshToken,
            profile,
            done
          );
        } else {
          return googleStrategyDefault(
            req,
            accessToken,
            refreshToken,
            profile,
            done
          );
        }
      }
    );
  } else {
    throw new Error('No Confg Supplied');
  }
};