/* eslint-disable no-throw-literal */
/* eslint-env es6 */
/* eslint-disable no-multi-str */
const Router = require('koa-router')
const router = new Router()

// import tools
const crypto = require('../../libs/crypto.js')
// const so = require('../../libs/storeObject')
const mongo = require('../../libs/mongo_model.js')
const mem = require('../../libs/memcache_lib')
const msgMng = require('./MsgManager')
const sendmail = require('../../libs/sendmail')

router
    .post('/user', async(c, n) => {
      let arr = c.request.body
      if (!arr.data) throw 'CE0000'
      if (!arr.data.account) throw 'CE0001'
      if (!arr.data.password) throw 'CE00002'
      if (!arr.data.name) throw 'CE0004'
      if (!arr.data.email) throw 'CE0005'

      try {
        let query = 'select count(*) as c from ??.?? where `account` = ?'
        let param = ['lora', 'user', arr.data.account]
        let count = await c.syncQuery(query, param)
        if (count.length === 0) throw 'SE0000'
        if (count[0].c > 0) throw 'CE0006'
      } catch (err) {
        if (typeof err === 'string') throw err
        c.serr = err
        throw 'SE0000'
      }

      let uid = 0
      try {
        let query = 'insert into ??.?? (`account`, `password`, `name`, `email`) values (?, ?, ?, ?)'
        let param = ['lora', 'user', arr.data.account, arr.data.password, arr.data.name, arr.data.email]
        let indata = await c.syncQuery(query, param)
        uid = indata.insertId
      } catch (err) {
        if (typeof err === 'string') throw err
        c.serr = err
        throw 'SE0001'
      }

      c.body = {
        record: [{ uid }]
      }
    })
    .get('/user/:uid', async(c, n) => {
      if (!await mongo.Token.checkToken(c.token)) throw 'CE1000'
      try {
        let t = await mongo.Token.getToken(c.token)
        if (t.object.uid !== c.params.uid) throw 'CE2000'
      } catch (err) {
        if (typeof err === 'string') throw err
        c.serr = err
        throw 'SE0000'
      }

      try {
        let user = await c.syncQuery('select `uid`,`account`,`name`,`email` from ??.?? where `uid` = ?', ['lora', 'user', c.params.uid])

        c.body = {
          record: user
        }
      } catch (err) {
        if (typeof err === 'string') throw err
        c.serr = err
        throw 'SE0000'
      }
    })
    .put('/user/:uid', async(c, n) => {
      if (!await mongo.Token.checkToken(c.token)) throw 'CE1000'
      let arr = c.request.body
      if (!arr.data) throw 'CE0000'
      if (!arr.data.name) throw 'CE0004'
      if (!arr.data.email) throw 'CE0005'
      try {
        let t = await mongo.Token.getToken(c.token)
        if (t.object.uid !== c.params.uid) throw 'CE2000'
      } catch (err) {
        if (typeof err === 'string') throw err
        c.serr = err
        throw 'SE0000'
      }

      try {
        let query = 'update ??.?? set \
                `name` = ?, \
                `email` = ?' + (arr.data.password ? ',' : '') + ' \
                ' + (arr.data.password ? '`password` = ?, ' : '') + ' \
                where \
                `uid` = ?'
        let param = ['lora', 'user', arr.data.name, arr.data.email]
        if (arr.data.password) param.push(crypto.genPassHash(arr.data.password))
        param.push(c.params.uid)

        await c.syncQuery(query, param)
      } catch (err) {
        if (typeof err === 'string') throw err
        c.serr = err
        throw 'SE0002'
      }

      c.body = { record: [] }
    })
    .post('/login', async(c, n) => {
      let arr = c.request.body
      if (!arr.data) throw 'CE0000'
      if (!arr.data.account) throw 'CE0001'
      if (!arr.data.password) throw 'CE0002'
      try {
        let user = await c.syncQuery('select `uid`,`account`,`password`,`name`,`email` from ??.?? where `account` = ?', ['lora', 'user', arr.data.account])

        if (user.length === 0) throw 'CE0003'

        if (!crypto.comparePass(arr.data.password, user[0].password)) throw 'CE0003'

        delete user[0].password

        c.body = {
          record: user
        }
      } catch (err) {
        if (typeof err === 'string') throw err
        c.serr = err
        throw 'SE0000'
      }

      let u = c.body.record[0]
      let token = new mongo.Token({ object: u, expire: Date.now() + 86400000 })
      token.save()
      c.body.rt = {
        token: {
          id: token._id
        }
      }
    })
    .post('/forgotpass', async(c, n) => {
      let arr = c.request.body
      if (!arr.data) throw 'CE0000'
      if (!arr.data.account) throw 'CE0001'
      if (!arr.data.email) throw 'CE0005'

      let user = []
      try {
        let query = 'select * from ??.?? where `account` = ? and `email` = ?'
        let param = ['lora', 'user', arr.data.account, arr.data.email]
        user = await c.syncQuery(query, param)
      } catch (err) {
        if (typeof err === 'string') throw err
        c.serr = err
        throw 'SE0001'
      }
      if (user.length === 0) throw 'CE0007'

      let randomToken = crypto.random(10)
      try {
        await mem.setVal(randomToken, JSON.stringify(user[0]), 7200)
      } catch (err) {
        c.serr = err
        throw 'SE0005'
      }

      try {
        await sendmail(user[0].email, msgMng.getMailTemplate('forgotpass', c.headers['accept-language']), [randomToken])
      } catch (err) {
        if (typeof err === 'string') throw err
        c.serr = err
        throw 'SE0006'
      }

      c.body = {
        record: []
      }
    })
    .put('/resetpass', async(c, n) => {
      let arr = c.request.body
      if (!arr.data) throw 'CE0000'
      if (!arr.data.account) throw 'CE0001'
      if (arr.data.resettype !== 'pass' && arr.data.resettype !== 'token') throw 'CE0008'
      if (arr.data.resettype === 'pass') {
        if (!arr.data.password) throw 'CE0002'
      } else {
        if (!arr.data.token) throw 'CE0009'
      }
      if (!arr.data.newpass) throw 'CE0002'

      if (arr.data.resettype === 'token') {
        try {
          let data = await mem.getVal(arr.data.token)
          if (!data) throw 'CE1000'
          let dataJson = JSON.parse(data)
          if (dataJson.account !== arr.data.account) throw 'CE1000'
        } catch (err) {
          if (typeof err === 'string') throw err
          c.serr = err
          throw 'CE1000'
        }
      } else {
        if (!await mongo.Token.checkToken(c.headers['x-auth-token'] || '')) throw 'CE1000'
        let token = await mongo.Token.getToken(c.headers['x-auth-token'] || '')
        if (token.object.account !== arr.data.account) throw 'CE2000'
        try {
          let query = 'select `password` from ??.?? where `account` = ?'
          let param = ['lora', 'user', arr.data.account]
          let data = await c.syncQuery(query, param)
          if (data.length === 0) throw 'CE0007'
          if (!crypto.comparePass(arr.data.password, data[0].password)) throw 'CE0010'
        } catch (err) {
          if (typeof err === 'string') throw err
          c.serr = err
          throw 'SE0001'
        }
      }

      let newpass = crypto.genPassHash(arr.data.newpass)
      try {
        let query = 'update ??.?? set `password` = ? where `account` = ?'
        let param = ['lora', 'user', newpass, arr.data.account]
        await c.syncQuery(query, param)
      } catch (err) {
        if (typeof err === 'string') throw err
        c.serr = err
        throw 'SE0002'
      }

      c.body = {
        record: []
      }
    })

module.exports = router