const express = require("express");
const router = express.Router();
const Movie = require("../models/movie");
const User  = require("../models/user");
const UserList  = require("../models/userList");
const JWT = require('jsonwebtoken');
const {JWT_SECRET} = require ("../configuration");
const bcrypt = require("bcryptjs");



//gets the list of movies
router.get("/movies", function(req, res, next){
  Movie.find({}).then(function(movies){
    res.send(movies);
  });
});

//add new movie
router.post("/movies", function(req,res,next){
  var token = req.headers['x-access-token'];
  if (!token) return res.status(401).send({ auth: false, message: 'No token provided.' });

  JWT.verify(token, JWT_SECRET, function(err, decoded) {
    if (err) return res.status(500).send({ auth: false, message: 'Failed to authenticate token.' });

    Movie.findOne(req.body,(function(err, movie){
      console.log(movie);
      if (!movie){
        Movie.create(req.body).then(function(movie2){
          UserList.create({
            "user_id": decoded.iat,
            "movie_id": movie2._id
          }).catch(next);
        }).catch(next);
      }else{
        console.log("debug3" + movie);
          UserList.create({
            "user_id": decoded.iat,
            "movie_id": movie._id
          }).catch(next);
        }
      })
    );
  });
})

//add new user
router.post("/users", function(req,res,next){
  var hashedPassword = bcrypt.hashSync(req.body.password, 8);
  User.findOne({
    "username": req.body.username}, function(err, user){
      if(user){
        console.log("User exists");
      }else{
        User.create({
          username: req.body.username,
          password : hashedPassword
        },
        function (err, user) {
           if (err) return res.status(500).send("There was a problem registering the user.")
           var token = JWT.sign({ id:req.params.id }, JWT_SECRET, {
             expiresIn: 86400 // expires in 24 hours
           });
           res.status(200).send({ auth: true, token: token });
         });
      }
    })
 });


//update movie
router.put("/movies/:id", function(req, res, next){
  Movie.findByIdAndUpdate({_id: req.params.id}, req.body).then(function(){
    Movie.findOne({_id:req.params.id}).then(function(movie){
      res.send(movie);
    })
  });
});

//delete movie
router.delete("/movies/:id", function(req, res, next){
  Movie.findByIdAndRemove({_id: req.params.id}).then(function(movie){
    res.send(movie);
  });
});


module.exports = router;