var express = require('express');
var router = express.Router();

let JSONError = require('../helpers').JSONError;
let Users = require('../database').Repositories.Users;

/* GET users listing. */
router.get('/me', function(req, res, next) {
	console.log(req.user);
  res.send(req.user);
});


/* post users login. */
router.post('/login', function(req, res, next) {
  const params = {...req.body};
  const {
  	username,
  	password
  } = params;
  console.log(username);
  Users.login({username, password}).
  then((user) => {
    let { 
      username,
      token
    } = user;
    res.send({username, token});
  }).
  catch((e) => {
  	console.log(e);
  	res.status(400);
  	res.send(JSONError("Bad Credentials"));
  });
});

/* post users register. */
router.post('/register', function(req, res, next) {
  const params = {...req.body};
  const {
    username,
    password
  } = params;
  console.log(username);
  Users.register({username, password}).
  then((user) => res.send(user)).
  catch((e) => {
    console.log(e);
    res.status(400);
    res.send(JSONError("Bad Credentials"));
  });
});

/* post add friend. */
router.post('/addFriend/:id', function(req, res, next) {
  if(!req.user) {
    res.status(401);
    res.send(JSONError("I need token honey!"));
    return;
  }
  const friendID = req.params.id;
  let msg = 'Enjoy your new friendship!';
  Users.getByID(friendID).
  then((user) => {
    if (!req.user.friends) {
      req.user.friends = [friendID];
      return Users.save(req.user);
    } else if (req.user.friends.includes(friendID)) {
      msg = 'Already friends ^.^';
      return 1;
    } else {
      req.user.friends.push(friendID);
      return Users.save(req.user);
    }
  }).
  then(() => res.send({ msg })).
  catch((e) => {
    console.log(e);
    res.status(400);
    res.send(JSONError("No such friend... :("));
  });
});


module.exports = router;