<template>
  <div class="login wrapper-box03">
    <div class="login-box03">
      <div class="title-container">
        <h1 class="title margin-no">登录到</h1>
        <h1 class="title">商小川管理系统</h1>
      </div>
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            type="text"
            auto-complete="off"
            placeholder="请输入账号"
          >
            <!-- <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />-->
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            auto-complete="off"
            placeholder="请输入登录密码"
            @keyup.enter.native="handleLogin"
          >
            <!--<svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />-->
          </el-input>
        </el-form-item>
        <el-form-item prop="code" v-if="captchaEnabled">
          <el-input v-model="loginForm.code" auto-complete="off" placeholder="请输入验证码" style="width: 70%;float: left" @keyup.enter.native="handleLogin" >
            <!--<svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />-->
          </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:13px 0px 25px 0px;">记住密码</el-checkbox>
        <el-form-item style="width:100%;">
          <el-button
            :loading="loading"
            size="medium"
            type="primary"
            class="sub-button"
            @click.native.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>
      <div class="login-pic03"></div>
    </div>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2025-2027 商小川管理系统</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from '@/api/login'
import Cookies from 'js-cookie'
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: 'Login',
  data() {
    return {
      codeUrl: '',
      loginForm: {
        username: '',
        password: '',
        rememberMe: false,
        code: '',
        uuid: ''
      },
      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' }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    this.getCode()
    this.getCookie()
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled
        if (this.captchaEnabled) {
          this.codeUrl = 'data:image/gif;base64,' + res.img
          this.loginForm.uuid = res.uuid
        }
      })
    },
    getCookie() {
      const username = Cookies.get('username')
      const password = Cookies.get('password')
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          if (this.loginForm.rememberMe) {
            Cookies.set('username', this.loginForm.username, { expires: 30 })
            Cookies.set('password', encrypt(this.loginForm.password), { expires: 30 })
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 })
          } else {
            Cookies.remove('username')
            Cookies.remove('password')
            Cookies.remove('rememberMe')
          }
          this.$store.dispatch('Login', this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || '/' }).catch(() => {
            })
          }).catch(() => {
            this.loading = false
            if (this.captchaEnabled) {
              this.getCode()
            }
          })
        }
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-bg-white.png");
  background-color: #fff;
  background-size: cover;
}

.login-form {
  border-radius: 3px;
  background: #ffffff;
  width: 400px;
  padding: 40px 0px 5px 0px;

  .el-input {
    height: 38px;
    margin-bottom: 5px;

    input {
      height: 40px;
      border-radius: 3px !important;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }

  .sub-button {
    width: 100%;
    padding: 9px;
    font-size: 20px;
    font-weight: bold;
    border-radius: 3px;
    background-color: #0052d9;
    border-color: #0052d9;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 28%;
  height: 38px;
  float: right;
  position: relative;

  img {
    cursor: pointer;
    vertical-align: middle;
  }

  .login-code-img {
    cursor: pointer;
    vertical-align: middle;
    width: 105px;
    border-radius: 3px;
  }
}

.el-login-footer {
  position: absolute;
  left: 5%;
  bottom: 64px;
  font-size: 14px;
  color: rgb(102 102 102);
}


.wrapper-box03 {
  height: 100vh;
  display: flex;
  flex-direction: column;
  background-size: cover;
  background-position: left;
  position: relative;
}

.login-box03 {
  position: absolute;
  top: 18%;
  left: 5%;
  min-height: 500px;

  div {
    display: block;
    unicode-bidi: isolate;
  }
}

.title-container {
  .title.margin-no {
    margin-top: 0;
  }

  .title {
    font-size: 32px;
    text-align: left;
    font-weight: 700;
  }

  h1 {
    display: block;
    font-size: 2em;
    margin-block-start: 0.67em;
    margin-block-end: 0.67em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    font-weight: bold;
    unicode-bidi: isolate;
    margin: 3px;
  }
}


</style>
