var express=require('express');
var path=require('path');
var favicon=require('serve-favicon');
var logger=require('morgan');
var cookieParser=require('cookie-parser');
var bodyParser=require('body-parser');
var ejs=require('ejs');
var mongoose=require('mongoose');

mongoose.connection.on('connected',function() {
    console.log('Mongoose connected');
});
mongoose.connection.on('error',function(err) {
    console.log('Mongoose default connection error: '+err);
});
mongoose.connection.on('disconnected',function() {
    console.log('Mongoose default connection disconnected');
});
mongoose.connect('mongodb://localhost:27017/nodejschat');

var routes=require('./routes/index');
var users=require('./routes/users');

var app=express();
// Set port to listen to
app.set('port',process.env.PORT||3000);

// view engine setup
app.set('views',path.join(__dirname,'views'));
//app.set('view engine','ejs');
app.set('view engine','html');
app.engine('html',ejs.renderFile);

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname,'public')));

app.use('/',routes);
app.use('/users',users);

// catch 404 and forward to error handler
app.use(function(req,res,next) {
    var err=new Error('Not Found');
    err.status=404;
    next(err);
});

// error handlers

// development error handler
// will print stacktrace
if(app.get('env')==='development') {
    app.use(function(err,req,res,next) {
        res.status(err.status||500);
        res.render('error',{
            message: err.message,
            error: err
        });
    });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err,req,res,next) {
    res.status(err.status||500);
    res.render('error',{
        message: err.message,
        error: {}
    });
});

module.exports=app;

var server=app.listen(app.get('port'),function() {
    var host=server.address().address;
    var port=server.address().port;

    console.log('Example app listening at http://%s:%s',host,port);
});