import define from './define'
import { useLocale } from '@/locale/useLocale';

const { getBackLocale } = useLocale();
let host = define.baseURL
const defaultOpt = { load: true }

// ------------- token刷新核心配置 -------------
const whiteList = ['/login', '/system/auth/refresh-token']
let requestQueue = []
let isRefreshingToken = false
const isRelogin = { show: false }

// ------------- 核心request方法 -------------
function request(config) {
  config.options = Object.assign(defaultOpt, config.options)
  const token = uni.getStorageSync('token') || ''
  const refreshToken = uni.getStorageSync('refreshToken') || '' 
  const tenantId = '1' || uni.getStorageSync('tenantId')
  const systemCode = uni.getStorageSync('systemCode') || ''
  const locale = getBackLocale()

  //  构建请求头
  let header = {
    "accept": 'application/json, text/plain, */*',
    "App-Code": systemCode,
    "Content-Type": "application/json;charset=UTF-8",
    "Jnpf-Origin": "app",
    "Vue-Version": "3",
    "Accept-Language": locale,
    "tenant-id": tenantId,
    ...config.header
  }
  header['App-Code'] = encodeURIComponent(header['App-Code'])
  if (token) header['Authorization'] = token
  // let url = config.url.indexOf('http') > -1 ? config.url : host + config.url
  let url = host + config.url
  console.log(url,'url---')
  // 3. 显示加载中
  if (config.options.load) {
    uni.showLoading({ title: config.options.loadText || '正在加载' })
  }

  // 4. 返回Promise，核心改造逻辑
  return new Promise((resolve, reject) => {
    // 封装核心请求逻辑
    const coreRequest = () => {
      uni.request({
        url: url,
        data: config.data || {},
        method: config.method || 'GET',
        header: header,
        timeout: define.timeout,
        success: async (res) => {
          uni.hideLoading();
          if (res.statusCode === 200) {
            if (res.data.code == 200 || res.data.code == 0) {
              resolve(res.data)
            } else if ([401, 600, 601, 602].includes(res.data.code)) {
              // 白名单接口不处理
              const isWhiteList = whiteList.some(v => config.url.includes(v))
              if (isWhiteList) {
                ajaxError(res.data)
                reject(res.data.msg)
                return
              }

              // ------------- 核心调整：刷新token请求改为问号拼接参数 -------------
              if (!refreshToken) {
                await handleAuthorized()
                reject(res.data.msg)
                return
              }

              if (isRefreshingToken) {
                requestQueue.push(() => coreRequest())
                return
              }

              isRefreshingToken = true
              try {
                // 拼接URL参数：和PC端一致，POST方法 + ?refreshToken=xxx
                const refreshUrl = `${host}/admin-api/system/auth/refresh-token?refreshToken=${encodeURIComponent(refreshToken)}`
                // 调用刷新token接口（POST方法 + URL参数，无请求体）
                const refreshRes = await uni.request({
                  url: refreshUrl, // 带参数的URL
                  method: 'POST',  // 保持POST方法
                  header: {
                    'tenant-id': tenantId, // 携带租户ID
                    'Content-Type': 'application/json'
                  },
                  data: {} // 无请求体，参数全在URL上
                })

                // 刷新成功处理
                if (refreshRes.statusCode === 200 && refreshRes.data.code === 200) {
                  const newTokenData = refreshRes.data.data
                  // 存储新token（建议用项目封装的setToken方法）
                  uni.setStorageSync('token', newTokenData.token)
                  uni.setStorageSync('refreshToken', newTokenData.refreshToken)
                  // 更新请求头
                  header['Authorization'] = newTokenData.token
                  // 重试当前请求
                  coreRequest()
                  // 执行队列请求
                  requestQueue.forEach(cb => cb())
                  requestQueue = []
                } else {
                  await handleAuthorized()
                  reject('刷新token失败：' + (refreshRes.data?.msg || '接口返回异常'))
                }
              } catch (err) {
                await handleAuthorized()
                reject('刷新token异常：' + err.errMsg)
              } finally {
                isRefreshingToken = false
                requestQueue = []
              }
            } else {
              ajaxError(res.data)
              reject(res.data.msg)
            }
          } else {
            ajaxError(res.data)
            reject(res.errMsg)
          }
        },
        fail: (err) => {
          uni.hideLoading();
          uni.showToast({ title: '连接服务器失败', icon: 'none' })
          reject(err)
        }
      })
    }

    coreRequest()
  })
}

// ------------- 辅助函数 -------------
function ajaxError(data) {
  uni.showToast({
    title: data.msg || '请求出错，请重试',
    icon: 'none',
    complete() {
      if ([600, 601, 602, 401].includes(data.code) && !isRefreshingToken) {
        setTimeout(() => handleAuthorized(), 1500)
      }
    }
  })
}

async function handleAuthorized() {
  if (!isRelogin.show) {
    isRelogin.show = true
    const res = await uni.showModal({
      title: '登录过期',
      content: '您的登录已过期，请重新登录',
      showCancelButton: false,
      confirmText: '重新登录'
    })
    if (res.confirm) {
      // 清除缓存（建议用项目封装的removeToken方法）
      uni.removeStorageSync('token')
      uni.removeStorageSync('refreshToken')
      uni.removeStorageSync('cid')
      uni.removeStorageSync('userInfo')
      uni.removeStorageSync('permissionList')
      uni.removeStorageSync('sysVersion')
      uni.removeStorageSync('dynamicModelExtra')
      uni.reLaunch({ url: '/pages/login/index' })
    }
    isRelogin.show = false
  }
}

export default request