const passport = require('passport');
const GoogleStrategy = require('passport-google-oauth').OAuth2Strategy;

const config = require('../../config');
const User = require('../../models/user');

module.exports = function(passport) {
  passport.use(new GoogleStrategy({
      clientID: config.services.google.appId,
      clientSecret: config.services.google.appSecret,
      callbackURL: "http://www.example.com/auth/google/callback",
    },
    (accessToken, refreshToken, profile, callback) => {
      const googleUser = profile.getBasicProfile();

      User.findOrCreate(
        {
          email: googleUser.getEmail(),
          'credentials.method': 'google',
          'credentials.userId': googleUser.getId(),
        },
        {
          avatar: googleUser.getImageUrl(),
          email: googleUser.getEmail(),
          firstName: googleUser.getGivenName(),
          lastName: googleUser.getFamilyName(),
          credentials: [{
            accessToken,
            userId: googleUser.getId(),
            method: 'facebook',
            profile,
          }],
        },
        (err, user) => {
          return done(err, user, { accessToken, refreshToken });
        }
      );
    }
  ));
};