import { IS_LOGIN_STORAGE_KEY } from '@/xiaolanbenlib/constant'
import { ButtonProps } from '@tarojs/components'
import Taro, { useDidShow } from '@tarojs/taro'
import { useCallback, useEffect, useState } from 'react'
import {
  loginWithoutAuthorize,
  loginWithoutAuthorizeProps,
} from '../../api/auth'
import { getNewCode, updateUserInfo } from '../../utils/auth'
import { emitter } from '../../utils/event'

export function onLogin() {
  Taro.setStorageSync(IS_LOGIN_STORAGE_KEY, '1')
  emitter.emit('login')
}

export function onLogout() {
  Taro.removeStorageSync(IS_LOGIN_STORAGE_KEY)
  emitter.emit('logout')
}

let pending = false

// 拉起手机授权登录
export function loginByMobile({
  res,
  sucMsg,
  failMsg,
  code,
}): Promise<loginWithoutAuthorizeProps> {
  const detail = res.detail

  if (pending) {
    // 暂时只考虑用户多次快速点击的场景，在前一个请求没结束之前，直接返回一直pedding的promise
    return new Promise(() => ({}) as loginWithoutAuthorizeProps)
  }

  pending = true
  return new Promise((resolve, reject) => {
    
    loginWithoutAuthorize({
      code,
      mobileEncryptedData: detail.encryptedData,
      mobileIv: detail.iv,
    }).then(
      (data) => {
        pending = false
        Taro.showToast({
          title: sucMsg || '登录成功',
          icon: 'success',
          duration: 1500,
        })
        resolve(data)
      },
      (err) => {
        console.log(err)
        pending = false
        Taro.showToast({
          title: failMsg || '登录失败',
          icon: 'none',
          duration: 1500,
        })
        reject(err)
      },
    )
  })
}

export function useLogin(params?: {
  onConfirm?: () => void
  onSuccess?: () => void
  disabled?: boolean
}) {
  const [code, setCode] = useState('')
  function onGetPhoneNumber(res) {
    params?.onConfirm?.()
    const detail: ButtonProps.onGetPhoneNumberEventDetail = res.detail
    if (detail.iv && detail.encryptedData) {
      loginByMobile({
        res,
        sucMsg: '登录成功',
        failMsg: '登录失败',
        code: code,
      }).then(
        async (data) => {
          updateUserInfo(data)

          onLogin()
          params?.onSuccess?.()
        },
        (err) => {
          console.log(err)
          Taro.showToast({
            title: '登录失败1',
            icon: 'none',
            duration: 1500,
          })
        },
      )
    }
  }

  function onClick() {
    getNewCode().then((res) => {
      setCode(res)
    })
  }

  function onError() {
    Taro.showToast({
      title: '登录失败3',
      icon: 'none',
      duration: 1500,
    })
  }

  return {
    onGetPhoneNumber,
    onError,
    onClick,
    openType: params?.disabled
      ? undefined
      : ('getPhoneNumber' as ButtonProps.OpenType),
  }
}

export function useIsLogin() {
  const [isLogin, setIsLogin] = useState(false)

  const updateLoginStateStable = useCallback(() => {
    const newState = Taro.getStorageSync('hasLogin') === '1'
    if (newState !== isLogin) {
      setIsLogin(newState)
    }
  }, [isLogin])

  useEffect(() => {
    emitter.on('login', () => {
      setIsLogin(true)
    })

    emitter.on('logout', () => {
      setIsLogin(false)
    })

    updateLoginStateStable()

    return () => {
      emitter.off('login')
      emitter.off('logout')
    }
  }, [])

  useDidShow(() => {
    updateLoginStateStable()
  })

  return isLogin
}