const Router = require('koa-router')
const router = new Router()
const koaBody = require('koa-body')

// import tools
const mysql = require('../../libs/mysql_pool.js')
// const so = require('../../libs/storeObject')
// const config = require('../../config.json')
const msgMng = require('./MsgManager')

// routes
const accountApi = require('./account.js')

// api response handler
router.use(async(c, n) => {
    // get MySQL connection
  c.db = await mysql.getConn()
    // set Async/Await Query
  c.syncQuery = (query, param = null) => {
    return new Promise((resolve, reject) => {
      if (param != null) {
        c.db.query(query, param, (err, row) => {
          if (err) return reject(err)
          return resolve(row)
        })
      } else {
        c.db.query(query, (err, row) => {
          if (err) return reject(err)
          return resolve(row)
        })
      }
    })
  }
  c.token = c.headers['x-auth-token'] || ''

  try {
    await n()
    c.body = {
      data: c.body,
      status: 1
    }
  } catch (e) {
    let msg = msgMng.getMsg(e, c.headers['accept-language'])
    c.body = {
      errorCode: e,
      message: msg,
      servErr: c.serr ? c.serr.toString() : '',
      status: 0
    }
    if (e[0] === 'C' || e[0] === 'c') c.status = 400
    if (e[0] === 'S' || e[0] === 's') c.status = 500
  }
  if ('db' in c && typeof c.db === 'object' && 'release' in c.db && typeof c.db.release === 'function') c.db.release()
})

// enable bodyParser
router.all('*', koaBody({
  multipart: true,
    // upload file size 10mb
  maxFieldSize: 10 * 1024 * 1024
}), async(c, n) => { await n() })

router
    .get('/', async(c, n) => {
      c.body = {
        msg: 'API Endpoint'
      }
    })
    .use('/account', accountApi.routes())

module.exports = router