//Base server setup for REST API
var express       = require('express');
var bodyParser    = require('body-parser');
var cookieParser  = require('cookie-parser');
var path          = require('path');
var session       = require('express-session');
var logger        = require('morgan');
var passport      = require('passport');

//Server setup
var mongoose      = require('mongoose');
var mongodb       = require('mongodb');

//Initial app setup, express and port
var app           = express();
var port          = 3003;

//Connectionstring to our MongoDB - Change connectionstring to live URL, when ready for production
mongoose.connect('mongodb://localhost/');

//Models - Schemas for REST-API(Express)
var User = require('./Models/user');

//REST URLS aka. Routes
var router = express.Router();

//App middleware - enable logger, session, body and cookie-parser
app.use(logger('dev'));
app.use(session({
  secret: 'keyboard cat',
  resave: 'true',
  saveUninitialized: 'true'
}));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(passport.initialize());
app.use(passport.session());

//Use a API tester, EG Postman - make a get request to localhost:3003/ to get a response
app.get('/', function (req, res) {
  res.json({ message: 'Hello, our API is running' });
});

//A message to our console whenever you manipulate with data in the API
app.use(function (res, req, next) {
  console.log('You have manipulated with some data!')
  next();
});

// Opretter et medlem
app.post('/user', function (req, res) {
  var user = new User();
  user.username = req.body.username;
  user.password = req.body.password;

  user.save(function (err) {
    if (err)
      res.send(err);

    res.json({ message: 'Der er oprettet et medlem!!' });
  });
});

app.get('/user', function (req, res) {
  User.find(function (err, user) {
    if (err) {
      res.send(err);
    }
    res.json(user);
  });
});

app.get('/user/:user_id', function (req, res) {
  User.findById(req.params.user_id, function (err, user) {
    if (err) {
      res.send(err);
    }
    res.json(user);
  });
});

// Opdatere et medlem med udfra ID
app.put('/user/:user_id', function (req, res) {
  User.findById(req.params.user_id, function (err, user) {
    if (err) {
      res.send(err);
    }
    user.username = req.body.username;
    user.save(function (err) {
      if (err) {
        res.send(err);
      }
      res.json({ message: 'Medlem updated!' });
    });

  });
});

app.delete('/user/:user_id', function (req, res) {
  User.remove({
    _id: req.params.user_id
  }, function (err, user) {
    if (err) {
      res.send(err);
    }
    res.json({ message: 'Bruger slettet' });
  });
});

//Consolmessage when we start our server
app.listen(port);
console.log('We are live and hot on port ' + port);

exports = module.exports = app;