require('./dto/init')
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')
const typeorm = require('typeorm')
const event = require('./event')

Object.defineProperty(express.response,'error',{
  value:function (error,statusCode = 400,errObj = {}) {
    errObj.error = error
    this.status(statusCode).send(errObj)
  },
  enumerable:false,
  writable:false,
  configurable:false
})

Object.defineProperty(express.response,'list',{
  value:function (data,resObj = {}) {

    resObj.list = data

    this.status(200).send(resObj)
  },
  enumerable:false,
  writable:false,
  configurable:false
})

Object.defineProperty(express.response,'detail',{
  value:function (data,resObj = {}) {
    
    resObj.detail = data
  
    this.status(200).send(resObj)
  },
  enumerable:false,
  writable:false,
  configurable:false
})

/**
 * 连接数据库
 */
typeorm.createConnection().then(()=>{

  // 连接成功，通知bin/www，开始监听http
  event.emit('typeorm-connection')
  
  console.log('typeorm启动成功')
})

var indexRouter = require('./routes/index')
var usersRouter = require('./routes/users')
var adminRouter = require('./routes/admin')

var app = express()

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

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('/users', usersRouter)
app.use('/admin', adminRouter)

// 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