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

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var tikzsRouter = require('./routes/tikzs');
//const uploadsRouter = require('./routes/upload');
//파일 저장 
const Html =require('./routes/uploadHtml');
const Math =require('./routes/uploadMathCha');
const Tikz =require('./routes/uploadTikz');


// CORS 충돌 해결을 위한것
const cors =require('cors');
// //CORS 옵션을 위해
 const corsOptions = {
   origin:'http://localhost:3000', //허락하고자 하는 요청 주소(client단 요청 주소)
   credentials:true, //설정한 내용을 response 헤더에 추가해준다.
 };

var app = express();

//CORS 미들웨어 추가
app.use(cors(corsOptions));
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(express.json());


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

app.use('/', indexRouter);
app.use('/users', usersRouter);
app.use('/tikzs', tikzsRouter); //This is test for tikz

//파일 업로드
app.use('/upload/html',Html);
app.use('/upload/math',Math);
app.use('/upload/tikz',Tikz);

app.use('/htmlPreview', express.static('html'));
app.use('/mathchaDownload', express.static('math'));


// 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');
});



const models = require('./models');
models.sequelize.sync()
  .then(() => {
    console.log('✓ DB connection success.');
    console.log('  Press CTRL-C to stop\n');
  })
  .catch(err => {
    console.error(err);
    console.log('✗ DB connection error. Please make sure DB is running.');
    process.exit();
  });

module.exports = app;