var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var hbs = require('hbs');

var routes = require('./routes/index');
var log4js = require('log4js');
var logger = require('./common/config').logger('app');

var app = express();

// view engine setup
app.set('view engine', 'html');
app.engine('html', require('hbs').__express);
//hbs.registerHelper('helper_name', function) {});
hbs.registerPartials(__dirname + '/views');
//app.set('views', path.join(__dirname, 'views'));

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(log4js.connectLogger(logger, {level: 'auto', format:':method :url'}));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

routes(app);
// 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);
    logger.error(err);
    res.render('error.hbs', {
      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.hbs', {
    message: err.message,
    error: {}
  });
});

process.on('uncaughtException', function (err) {
    logger.fatal(err);
});

module.exports = app;