import { loginAsync, logoutAsync } from '@/api/common'
import { TOKEN_KEY } from '@/constants'
import { getURLParam, delCookie, isLocalIP } from '@/utils/utils'
import bus from 'vue3-eventbus'

/** 获取token */
export function getToken() {
  // 优先取url的token
  let urlToken = getURLParam('token')
  // 拿到token后，删除url的token
  if (urlToken) {
    clearURLParams()
    setToken(urlToken)
    return urlToken
  }
  return localStorage.getItem(TOKEN_KEY) || urlToken
}
/** 根据是否自动登录设置token */
export function setToken(value) {
  localStorage.setItem(TOKEN_KEY, value)
  bus.emit('tokenChange', value)
}
/** 移除登录token */
export function removeToken() {
  localStorage.removeItem(TOKEN_KEY)
}

/** 清除url的token参数 */
function clearURLParams() {
  const stateObject = {}
  const title = document.title
  const newUrl = window.location.pathname
  history.replaceState(stateObject, title, newUrl)
}

/** 获取本地登录页面path */
export function getLoginPath() {
  const { origin, pathname } = window.location
  const path = '/' + pathname.split('/')[1]
  return (path + '/login').replace('//', '/')
}

/** 获取登录页面url */
export function getOuterLoginUrl() {
  const { origin, port, hostname, pathname } = window.location
  const path = '/' + pathname.split('/')[1]
  const localUrl = encodeURIComponent(origin + path)
  if (isLocalIP(hostname) && !hostname.includes('192.168')) {
    return `http://10.10.8.5:${port}/access/api/v1/idassLogin?sourceUrl=${localUrl}`
  } else {
    return origin.replace(port, '32001') + `/access/api/v1/idassLogin?sourceUrl=${localUrl}`
  }
}

/** 跳转到登录页面 */
export function navToLogin(redirect?: string) {
  sessionStorage.clear()
  localStorage.clear()
  // token的值就是JSESSIONID
  delCookie('JSESSIONID')

  if (redirect) {
    window.location.href = redirect
  } else {
    // 排除localhost
    if (window.location.hostname === 'localhost') {
      bus.emit('gotoLogin', '/login')
    } else {
      // 跳转到中软的登录页面
      window.location.href = getOuterLoginUrl()
    }
    // // 直接跳转到登录页
    // const url = getLoginPath()
    // setTimeout(() => {
    //   bus.emit('gotoLogin', '/login')
    // })
  }
}

/** 退出登录 */
export async function logout() {
  try {
    const res = await logoutAsync()
    navToLogin(res.data || '')
  } catch (err) {
    navToLogin()
  }
}

/** 登录 */
export async function login(user = { account: '', password: '' }) {
  const token = getToken()
  if (token) {
    setToken(token)
    return token
  } else {
    const { data } = await loginAsync(user)
    // 触发token变化，Side组件会监听
    setToken(data.token)
    return data.token
  }
}