var express = require('express') // Popular web framework for Node.js
var bodyParser = require('body-parser') // Auto parses body of post and put requests
var morgan = require('morgan') // Logs HTTP requests to the console
var app = express()
app.use(express.static('static'));    // makes the files in /static folder available
app.use(bodyParser.urlencoded({ extended: true })) //
app.use(bodyParser.json());                        // Hooking on functions that will we called for each request
app.use(morgan('dev'));                            //

var data = require('./data');
var port = 19201;
// HTTP SERVER
app.listen(port, function () {
  console.log('Message app listening on port '+port+'!')
});

// HOME PAGE
app.get('/', function (request, response) {
  response.sendFile(__dirname + '/index.html');
});

// MESSAGES ENDPOINT
app.post('/messages', function(request, response) {
  console.log(request.body);
  _username = request.body.userName;
  _text = request.body.text;

  if(_username == "" || _text == "" )
    {
        response.sendStatus(400);
    }
  else
  {
      data.addMessage(_username, _text);
      response.sendStatus(201);
  }

});

app.delete('/messages/:id', function(request, response)
{
  var _id = request.params.id;
  if(data.removeMessage(_id) == null)
  {
    response.sendStatus(404);
  }
  else
  {
    response.json(data.removeMessage(_id));
    response.sendStatus(200);
  }



})

app.get('/messages', function(request, response)
{
  response.json(data.messages);
});

app.get('/messages/:id', function(request, response)
{
  var id = request.params.id;

  if(data.getMessageById(id)==null)
  {
    response.sendStatus(404);
  }
  else
  {
      response.json(data.getMessageById(id))
  }
})