import { isEmpty, merge, pick } from 'ramda'
import { makeError, replies } from '@oyst/utils'

import { MFA } from '@oyst/mfa'
import { ONECLICK_API_URL } from '../../lib/constants'
import UserAPI from './../../apis/user'
import authorizeHandler from '../../handlers/authorize'
import { authorize as headers } from '../../validators/headers'
import log from '../../lib/log'
import { orderSession } from '../../sessions'
import phoneRule from 'joi-phone-validator'

const { error, success } = replies

export default {
  config: {
    pre: [authorizeHandler],
    validate: {
      headers,
      query: {
        phone: phoneRule.phone().mobile().required()
      }
    }
  },
  handler: async (req, reply) => {
    try {
      const sessionID = req.pre.authorization.data.id
      const phone = req.query.phone
      await orderSession.setData(sessionID, {
        phone
      }, 'phone')
      const user = await UserAPI.findByPhone(phone)

      if (user === null) {
        return error(makeError('USER-404', 'user-not-found'), reply)
      }
      await orderSession.setData(sessionID, {
        phone: user.phone,
        session: req.headers['oyst-session'],
        user_id: user.id
      }, 'login-user')
      const name = `${user.first_name || ''}`
      const mobileDetect = require('mobile-detect')
      const md = new mobileDetect(req.headers['user-agent'])
      const res = await MFA.sendSMS(phone, {
        code: { length: 4, alpha: false },
        data: { name },
        is_mobile: !!md.mobile(),
        type: 'oneclick.login',
        urls: {
          success: {
            json: {
              phone: user.phone,
              session: req.headers['oyst-session'],
              user_id: user.id
            },
            method: 'POST',
            url: `${ONECLICK_API_URL}/v1/mfa/valid`
          }
        }
      }, sessionID, true)
      success(merge({
        channel: `phone-checker-${res.id}`,
        code: true,
        login: true,
        retry_request: {
          key: 'phone',
          method: 'GET',
          path: '/users'
        },
        sms: res.success || false
      }, pick(['event', 'id', 'phone', 'can_retry', 'is_mobile'], res)), reply)
    } catch (err) {
      log({ errFindUser: err })
      error(makeError(err), reply)
    }
  },
  method: 'GET',
  path: '/v1/users'
}