import {Request, Response, Router} from 'express';
import passport from 'passport';
import {Strategy} from 'passport-local';

const router: Router = Router();

const myUsers = [{username: 'will', password: 'secret'}, {username: 'foo', password: 'bar'}];

passport.use(
  new Strategy((username, password, done) => {
    // Application stops here
    const user = myUsers.find(u => u.username === username);

    if (!user) {
      return done(null, false, {message: 'Incorrect username.'});
    }
    if (user.password !== password) {
      return done(null, false, {message: 'Incorrect password.'});
    }
    return done(null, user);
  })
);

router.post('/login', (req: Request, res: Response) => {
  passport.authenticate('local', (err, user, info) => {
    if (err) {
      res.status(404).json(err);
      return;
    }
    console.log(user)
    if (user) {
      res.status(200);
      res.json({
        userInfo: user,
      });
    } else {
      res.status(401).json(info);
    }
  })(req, res);
});

router.get('/login', (req: Request, res: Response) => {
  res.send({message: 'welcome to login'});
});

export const users: Router = router;