import {
  PREFIX_URL,
  ONECLICK_API_URL as apiUrl,
  DISPLAY_CODE_URL as displayCodeUrl,
  PHONE_FAILURE_URL as failureUrl,
  PHONE_SUCCESS_URL as successUrl,
} from '../lib/constants'
import { isEmpty, isNil, merge } from 'ramda'

import MFA from '@oyst/mfa'
import PhoneChecker from '@oyst/phone-checker-lambda'
import UserAPI from '../apis/user'
import authorize from '../handlers/authorize'
import log from '../lib/log'
import { orderSession } from '../sessions'

const prefix = PREFIX_URL.length ? `${PREFIX_URL}/v1` : undefined

const variables = {
  apiUrl: `${apiUrl}/v1`,
  displayCodeUrl,
  failureUrl,
  successUrl,
  smsType: 'oneclick.enroll',
}

const hooks = {
  check: {
    after: async data => {
      const { sessionID, phone, uuid } = data
      await orderSession.setData(sessionID, { success: true }, 'mfa-validated')
      let loginUser
      try {
        loginUser = await orderSession.getData<{
          phone: string,
          session: string,
          user_id: string
        }>(sessionID, 'login-user')
      } catch (err) {
        return merge(data, { sessionID, phone, uuid })
      }
      if (isNil(loginUser) || isEmpty(loginUser)) {
        return merge(data, { sessionID, phone, uuid })
      }
      const { user_id, session } = loginUser
      const user = await UserAPI.update(user_id, { phone, last_session_id: session })
      return merge(data, { sessionID, phone, uuid })
    },
    pre: [authorize]
  },
  resend: {
    after: async data => {
      const { sessionID, phone, uuid } = data
      await orderSession.setData(sessionID, { uuid }, 'phone-session')
      const session = await orderSession.getData<{ phone: string }>(sessionID, 'phone')
      session.phone = phone
      await orderSession.setData(sessionID, session, 'phone')
      return merge(data, { sessionID, phone, uuid })
    },
    before: async data => {
      const { sessionID } = data
      const { phone } = await orderSession.getData<{ phone: string }>(sessionID, 'phone')
      if (!phone) { throw new Error('phone-not-found') }
      const { uuid } = await orderSession.getData<{ uuid: string }>(sessionID, 'phone-session')
      return merge(data, { sessionID, phone, uuid })
    },
    pre: [authorize]
  }
}

export default {
  options: {
    hooks,
    variables
  },
  register: MFA,
  routes: {
    prefix
  }
}