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 fs = require('fs');

// fs.exist
// fs.createReadStream('test.log').pipe(fs.createWriteStream('newLog.log'));
var settingsFile = './settings.json';
var settingsDefaultFile = './settings-default.json';
fs.open(settingsFile, 'r', function(err, fd) {
    if(err) {
        fs.createReadStream(settingsDefaultFile).pipe(fs.createWriteStream(settingsFile));
        console.log("Created settings file.");
    }
});

var app = express();

// app.use(function(req, res, next) {
//   res.header("Access-Control-Allow-Origin", "*");
//   res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
//   next();
// });

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


// uncomment after placing your favicon in /public
//app.use(favicon(__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(express.static(path.join(__dirname, 'bower_components')));

var welcome = require('./routes/welcome');
app.use('/', welcome);


// 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;