/**
 * Module dependencies.
 */

var express = require('express');
var http = require('http');
var path = require('path');
var fs = require('fs');
var RedisStore = require('connect-redis')(express);
var routes = require('./routes');
var settings = require('./settings.json');
var ejser = require('./middlewares/ejser.js');


 var run_instance = function(port){
    var app = express();
    // all environments
    app.set('port', port || process.env.PORT);
    app.set('views', path.join(__dirname, 'views'));
    //app.set('view engine', 'ejs');
    app.engine('.html', ejser.EJS().renderFile);//or app.engine('.html', require('ejs').__express);
    app.set('view engine', 'html');//change ejs template suffix to .html
    app.set('jsonp callback', true);
    app.use(express.favicon(path.join(__dirname,'public/images/favicon.ico')));
    app.use(express.compress());
    //logger
    var accessLogfile = fs.createWriteStream('logs/access.log', {flags: 'a'});
    var errorLogfile = fs.createWriteStream('logs/error.log', {flags: 'a'});
    app.use(express.logger({stream: accessLogfile}));
    app.configure('production', function() {
  	app.use(function(err, req, res, next){
    		var meta = '[' + new Date() + '] ' + req.url + '\n';
    		errorLogfile.write(meta + err.stack + '\n');
    		next();
  	});
    });
    //app.use(express.logger('dev'));
    app.use(express.json());
    app.use(express.urlencoded());
    app.use(express.methodOverride());
    app.use(express.bodyParser({ keepExtensions: true,uploadDir:'./public/uploads'}));
    app.use(express.cookieParser(settings['session_secret']));
    //app.use(express.session());
    app.use(express.session({
        secret:settings['session_secret'],
        store:new RedisStore(settings['session_redis_db'])
    }));
    app.use(app.router);
    app.use(express.static(path.join(__dirname, 'public')));

    // development only
    if ('development' == app.get('env')) {
        app.use(express.errorHandler());
    }

    routes(app);//mapping routes

     http.createServer(app).listen(app.get('port'), function(){
         console.log('Express server listening on port ' + app.get('port'));
     });
}

exports.run = run_instance;

if(!module.parent) {
    run_instance(80);
}