var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var lessMiddleware = require('less-middleware');
var logger = require('morgan');

var indexRouter = require('./routes/index');
var playApi = require('./api/play');

var app = express();

app.use((req, res, next) => {
  res.header("Access-Control-Allow-Credentials",true);
  res.header('Access-Control-Allow-Origin', '*');
  res.header('Access-Control-Allow-Methods', 'GET, PUT, POST, OPTIONS') ;
  res.header('Access-Control-Allow-Headers', 'Content-Type, Authorization, Content-Length, X-Requested-With')

  if (req.method == 'OPTIONS') {
    res.sendStatus(200)
  } else {
    next()
  }
});

// page engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('page engine', 'pug');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(lessMiddleware(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', indexRouter);

app.use('/api', playApi);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// 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;