import Vue from 'vue'
import axios from 'axios'
import {
  baseURL,
  contentType,
  debounce,
  invalidCode,
  loginInterception,
  noPermissionCode,
  requestTimeout,
  successCode,
  tokenName,
} from '@/config'
import store from '@/store'
import qs from 'qs'
import router from '@/router'
import { isArray } from '@/utils/validate'

let loadingInstance

const handleCode = (code, msg) => {
  switch (code) {
    case invalidCode:
      Vue.prototype.$baseMessage(msg || `后端接口${code}异常`, 'error')
      store.dispatch('user/resetAccessToken').catch(() => {})
      if (loginInterception) {
        location.reload()
      }
      break
    case noPermissionCode:
      router.push({ path: '/401' }).catch(() => {})
      break
    default:
      Vue.prototype.$baseMessage(msg || `后端接口${code}异常`, 'error')
      break
  }
}

const instance = axios.create({
  baseURL,
  timeout: requestTimeout,
  headers: {
    'Content-Type': contentType,
  },
})

instance.interceptors.request.use(
  (config) => {
    if (store.getters['user/accessToken']) {
      config.headers['authorization'] = store.getters['user/accessToken']
    }
    if (store.getters['user/userId']) {
      config.headers['x-user-id'] = store.getters['user/userId']
    }
    if (store.getters['user/appId']) {
      config.headers['x-app-id'] = store.getters['user/appId']
    }
    if (config.method === 'get' && config.params) {
      config.params = Vue.prototype.$baseLodash.pickBy(config.params, Vue.prototype.$baseLodash.identity)
    }
    //这里会过滤所有为空、0、false的key，如果不需要请自行注释
    // if (config.data) config.data = Vue.prototype.$baseLodash.pickBy(config.data, Vue.prototype.$baseLodash.identity)
    if (config.data && config.headers['Content-Type'] === 'application/x-www-form-urlencoded;charset=UTF-8')
      config.data = qs.stringify(config.data)
    if (debounce.some((item) => config.url.includes(item))) loadingInstance = Vue.prototype.$baseLoading()
    return config
  },
  (error) => {
    return Promise.reject(error)
  }
)

instance.interceptors.response.use(
  (response) => {
    if (loadingInstance) loadingInstance.close()

    const { data, config } = response
    const { code, msg } = data
    // 操作正常Code数组
    const codeVerificationArray = isArray(successCode) ? [...successCode] : [...[successCode]]
    // 是否操作正常
    if (codeVerificationArray.includes(code)) {
      if (data?.data?.code >= 400) {
        Vue.prototype.$baseMessage(data?.data?.msg, 'error')
      } else {
        return data
      }
    } else {
      handleCode(code, msg)
      return Promise.reject(
        `vue-admin-beautiful请求异常拦截:${JSON.stringify({
          url: config.url,
          code,
          msg,
        })}` || 'Error'
      )
    }
  },
  (error) => {
    if (loadingInstance) loadingInstance.close()
    const { response, message } = error
    if (error.response && error.response.data) {
      const { status, data } = response
      handleCode(status, data.msg || message)
      return Promise.reject(error)
    } else {
      let { message } = error
      if (message === 'Network Error') {
        message = '后端接口连接异常'
      }
      if (message.includes('timeout')) {
        message = '后端接口请求超时'
      }
      if (message.includes('Request failed with status code')) {
        const code = message.substr(message.length - 3)
        message = `后端接口${code}异常`
      }
      Vue.prototype.$baseMessage(message || `后端接口未知异常`, 'error')
      return Promise.reject(error)
    }
  }
)

export default instance