var bcrypt = require('bcrypt-nodejs');
var express     = require('express');
var User        = require('./models/user');
var Room        = require('./models/room');
var jwt         = require('jsonwebtoken'); // used to create, sign, and verify tokens
var cookieParser = require('cookie-parser') // get cookie
mongoose = require('mongoose');
ObjectId = mongoose.Types.ObjectId;
//API---------------------------
module.exports = function(app){
    var apiRoutes = express.Router();

    app.get('/', function(req, res) {
        console.log('TELA DE LOGIN ');
        res.sendfile('./public/views/login/index.html');
    });

    app.post('/user/cadastrar', function(req, res) {
        var user = req.body;
        user.password = bcrypt.hashSync(user.password);
        User.create(user,function(err,user){
        	if(err)
        		res.send(err);
        	User.find(user,function(err,user){
        		res.json(user);
        	})
        });
    });

    app.get('/dashboard',isAuthenticated, function(req, res) {
        console.log(req.decoded.name+' ACESSOU DASHBOARD');
        res.sendfile('./public/views/dashboard/index.html');
    });

    app.get('/views/*',function(req, res) {
        res.redirect('/');
    });


    // todas as rotas aqui são iniciadas com /api
    //===========================================================================================================
    function isAuthenticated(req, res, next) {
      console.log(req.originalUrl+': VERIFICANDO LOGIN');
      // Verifica se existe o token
      var token = req.body.token || req.query.token || req.headers['x-access-token'] || req.cookies.scopeToken;
      if (token) {
        // verifies secret and checks exp
        jwt.verify(token, app.get('superSecret'), function(err, decoded) {
          if (err) {
            console.log('VERIFICAÇÃO NEGADA - TOKEN FALSO');
            return res.json({ success: false, message: 'Failed to authenticate token.' });
          } else {
            console.log('USUARIO ACEITO!')
            // if everything is good, save to request for use in other routes
            req.decoded = decoded;

            next();
          }
        });
      } else {
        console.log('VERIFICAÇÃO NEGADA - SEM TOKEN');
        res.redirect('/');
      }
    };

    //Gera um token de autenticação apra um usuario
    apiRoutes.post('/auth', function(req, res) {
        console.log('Criando token...');
        console.log(req.body)
        // find the user
        User.findOne({
            login: req.body.login
        }, function(err, user) {
            if (err){
                resp.json(err);
            }

            if (!user) {
              res.json({ success: false, message: 'Authentication failed. User not found.' });
              console.log('Token nao gerado! -- usuario inexistente');
            } else if (user) {
              // check if password matches
              if(!bcrypt.compareSync(req.body.password, user.password)){
                console.log('Token nao gerado!');
                res.json({ success: false, message: 'Authentication failed. Wrong password.' });
              } else {
                //if user is found and password is right
                // create a token
                var token = jwt.sign(user, app.get('superSecret'), {
                  expiresIn: 1440 // expires in 24 hours
                });
                console.log('Token gerado!');
                // return the information including token as JSON
                res.json({
                  success: true,
                  message: 'Enjoy your token!',
                  token: token
                });
              }
            }
            });
        });


    //Obtem informações do usuário
    apiRoutes.get('/me',isAuthenticated, function(req, res) {
        console.log('## API/ME ###')
         res.json({user:req.decoded})
    });


    //Obtem todas as salas do aplicativo
    apiRoutes.get('/rooms',isAuthenticated,function(req,res){
         var query = Room.find({});
        query.exec(function(err, rooms){
            if(err)
                res.send(err);

            // If no errors are found, it responds with a JSON of all users
            res.json(rooms);
        });
    });

    //Cadastra uma sala no aplicativo
    apiRoutes.post('/room',isAuthenticated,function(req,res){

        var sala = req.body;
        // Recebo um Json desta forma, preciso transformar as informações
        // {
        //   "title":"title",
        //   "lat":"lat"
        //   "lng":"lng"
        // }

        var newSala = {
                "title": sala.title,
                "location": {
                    "type": "Point",
                    coordinates: [sala.lat,sala.lng]
                  }
              }

        Room.create(newSala,function(err,room){
          if(err)
            res.send(err);
          Room.find(room,function(err,room){
            res.json(room);
          })
        });
    });

    apiRoutes.get('/room',isAuthenticated,function(req,res){
      id = req.query.id;
      console.log(id);

      Room.findOne(
        {"_id": ObjectId.fromString(id)}
        ,function(err,room){

        if(err)
        {
          res.json(err.message)
        }else{
          console.log('sala encontrada');
          console.log(room);
          res.json(room)
        }
      });

    })


    app.use('/api', apiRoutes);
}