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 session = require('express-session');

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

var app = express();
/*
app.all("*", function(req, res, next) {
  if (!req.get("Origin")) return next();
  // use "*" here to accept any origin
  res.set("Access-Control-Allow-Origin", "*");
  res.set("Access-Control-Allow-Methods", "GET");
  res.set("Access-Control-Allow-Headers", "X-Requested-With, Content-Type");
  // res.set('Access-Control-Allow-Max-Age', 3600);
  if ("OPTIONS" === req.method) return res.send(200);
  next();
});
*/

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

// 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(session({
  secret: '12345',
  cookie: {maxAge: 1000*60*60*24 },  //设置maxAge是1天，即1天后session和相应的cookie失效过期
  resave: false,
  saveUninitialized: true,
}));


app.use('/', index);
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 handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;