<template>
  <div class="login">
    <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">{{ title }}</h3>
      <el-form-item prop="username">
        <el-input v-model="loginForm.username" type="text" size="large" auto-complete="off" placeholder="账号">
          <template #prefix><svg-icon icon-class="user" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input v-model="loginForm.password" type="password" size="large" auto-complete="off" placeholder="密码"
          @keyup.enter="handleLogin">
          <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>
      <!-- <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
          v-model="loginForm.code"
          size="large"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter="handleLogin"
        >
          <template #prefix><svg-icon icon-class="validCode" class="el-input__icon input-icon" /></template>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item> -->
      <!-- <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox> -->
      <el-form-item style="width:100%;">
        <el-button :loading="loading" size="large" type="primary" style="width:100%;" @click.prevent="handleLogin">
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2025 All Rights Reserved.</span>
    </div>
  </div>
</template>

<script setup>
import { getCodeImg } from "@/api/login"
import Cookies from "js-cookie"
import { sm4 as SM4 } from 'gm-crypt'
import { encrypt, decrypt } from "@/utils/jsencrypt"
import useUserStore from '@/store/modules/user'
import useAppStore from '@/store/modules/app'
import usePermissionStore from '@/store/modules/permission'
import { useRoute, useRouter } from 'vue-router'
const route = useRoute()
const router = useRouter()
const permissionStore = usePermissionStore()



const title = import.meta.env.VITE_APP_TITLE
const userStore = useUserStore()
const appStore = useAppStore()

const { proxy } = getCurrentInstance()

const loginForm = ref({
  username: "",
  password: "",
  rememberMe: false,
  code: "",
  uuid: ""
})

const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }]
}

const codeUrl = ref("")
const loading = ref(false)
// 验证码开关
const captchaEnabled = ref(true)
// 注册开关
const register = ref(false)
const redirect = ref(undefined)

watch(route, (newRoute) => {
  redirect.value = newRoute.query && newRoute.query.redirect
}, { immediate: true })

function handleLogin() {
  proxy.$refs.loginRef.validate(valid => {
    if (valid) {
      loading.value = true

      userStore.login(loginForm.value).then( (res) => {
        console.log('res123', res)
        let data = res
        const { menus } = data
        // return
        // 用户数据整理
        let user = data.tsysUser
        let loginBlankMenus = false
        if (menus.length === 0) {
          loginBlankMenus = true
        }

        //  appStore.signOut('login')
          appStore.setNav(menus)
          appStore.setallNav(menus)
          appStore.setNavStatus({ type: 'manage' })
          appStore.setUserInfo({ user, licenseRst: data.licenseRst, loginBlankMenus })

          // 存储token和登录信息
          window.sessionStorage.setItem('__token', data.token)
          const loginStr = JSON.stringify({
            username: loginForm.value.username,
            password: encryptPassword(loginForm.value.password)
          })
          window.sessionStorage.setItem('login', loginStr)
          router.push({ path: '/'})
      }).catch(() => {
        loading.value = false
        // 重新获取验证码
        if (captchaEnabled.value) {
          // getCode()
        }
      })
    }
  })
}
// // 使用示例
// const transformedRoutes = transformRoutes(originalRoutes);
// console.log(transformedRoutes);
function encryptPassword(plainPassword) {
  const sm4Config = {
    key: "GJstSK_YBD=gSOFT",
    mode: 'ecb',
    cipherType: 'base64'
  }
  const sm4 = new SM4(sm4Config)

  try {
    return sm4.encrypt(plainPassword)
  } catch (error) {
    console.error('加密失败:', error)
    throw new Error('密码加密处理失败')
  }
}

function getCode() {
  getCodeImg().then(res => {
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img
      loginForm.value.uuid = res.uuid
    }
  })
}

function getCookie() {
  const username = Cookies.get("username")
  const password = Cookies.get("password")
  const rememberMe = Cookies.get("rememberMe")
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
  }
}

// getCode()
// getCookie()
</script>

<style lang='scss' scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  // background: #ffffff;
  background: #5b95d229;
  width: 400px;
  padding: 25px 25px 5px 25px;
  z-index: 1;
  .el-input {
    height: 40px;
    input {
      height: 40px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 40px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
