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 routes = require('./routes/index');
var users = require('./routes/users');
//HOME PAGE
var home = require('./routes/home');
var index = require('./routes/index');
//version 1.0
var v1 = require('./routes/v1');

var app = express();
app.listen(process.env.PORT || 5000);

/***
 * 获取引用网站
 */
app.all('*', function(req, res, next) {
    // res.header("Access-Control-Allow-Origin", "*");
    // res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    // res.header("Access-Control-Allow-Methods", "PUT,POST,GET,DELETE,OPTIONS");
    // res.header("X-Powered-By", '3.2.1');
    // res.header("Vary", "Origin");
    // res.header("Content-Type", "application/json;charset=utf-8");
    console.log('ref:' + req.header('referer'));
    next();
});
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
app.enable('trust proxy');
// 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('/', home);
app.use('/user', index);
app.use('/v1', v1);

// 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.send({
            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.send({
        message: err.message,
        error: {}
    });
});

module.exports = app;