import * as passport from 'passport';
import * as refresh from 'passport-oauth2-refresh';
import * as OAuth2Strategy from 'passport-oauth2';

import { userService } from '../users/userService';

passport.serializeUser((user, done) => {
  done(null, user.sub);
});

passport.deserializeUser((sub, done) => {
  userService.find(sub).then((user) => {
    if (typeof user !== 'undefined') {
      done(null, user);
    } else {
      done('User not found');
    }
  });
});

var strategy = new OAuth2Strategy({
    authorizationURL: process.env.AUTHORIZATION_URL,
    tokenURL: process.env.TOKEN_URL,
    clientID: process.env.CLIENT_ID,
    clientSecret: process.env.CLIENT_SECRET,
    callbackURL: process.env.CALLBACK_URL,
    state: true,
    pkce: true
  },
  function(accessToken, refreshToken, params, _, cb) {
    console.log(params);
    userService.findOrCreate(params.profile).then((user: any) => {
      user.refreshToken = refreshToken;
      user.accessToken = accessToken;
      return cb(null, user);
    }).catch((err) => {
      return cb(err);
    });
  }
);

passport.use(strategy);
refresh.use(strategy);