<template>
  <div class="login" :style="{ backgroundImage: 'url(' + backgroudImg + ')' }">

    <!-- 二维码开始 -->
<!--    <el-popover placement="top-start" trigger="hover" :show="bindQRCode">-->
<!--      <img :src="QRCode" width="120px" height="120px" alt="" />-->
<!--      <el-tag slot="reference" class="el-icon-mobile-phone" style="-->
<!--			position: absolute;-->
<!--			top: 1rem;-->
<!--			right: 1rem;-->
<!--			padding: 0 1rem;-->
<!--			cursor: pointer;-->
<!--		  " effect="dark">-->
<!--        下载APP</el-tag>-->
<!--    </el-popover>-->
    <!-- 二维码结束 -->
    <!-- 二维码开始 -->
    <el-popover
      placement="top-start"
      trigger="click"
      :show="bindQRCode"
      popper-class="sj-pop"
    >
      <div class="img-container">
        <a class="img-list" onclick="window.open('https://pan.baidu.com/s/1MlWyhFw6pEYiaLvzsje-BA?pwd=3jps')">
          <img src="../../assets/images/login-b-1.png" alt="" />
          <span>视频插件</span>
        </a>
        <a class="img-list" onclick="window.open('https://pan.baidu.com/s/1MlWyhFw6pEYiaLvzsje-BA?pwd=3jps')">
          <img src="../../assets/images/login-b-2.png" alt="" />
          <span>会议插件</span>
        </a>
        <el-popover placement="left" trigger="hover">
          <img :src="QRCode" width="120px" height="120px" alt="" />
          <div class="img-list" slot="reference">
            <img src="../../assets/images/login-b-3.png" alt="" />
            <span>手机APP</span>
          </div>
        </el-popover>
        <a class="img-list" onclick="window.open('https://pan.baidu.com/s/1MlWyhFw6pEYiaLvzsje-BA?pwd=3jps')">
          <img src="../../assets/images/login-b-4.png" alt="" />
          <span>使用帮助</span>
        </a>
      </div>
      <el-tag slot="reference" class="el-icon-info sj-tag" effect="dark">
        用户引导</el-tag
      >
    </el-popover>
    <!-- 二维码结束 -->
    <StarBackground />
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form to-right">
      <h3 class="title">{{ systemTitle.title }}</h3>
      <h3 class="sub-title" v-if="systemTitle.subTitle">
        {{ systemTitle.subTitle }}
      </h3>
      <div class="login-container">
        <h4>请登录</h4>
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号" class="m-b-15">
            <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="密码"
            @keyup.enter.native="handleLogin" class="m-b-15">
            <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="captchaOnOff">
          <el-input v-model="loginForm.code" auto-complete="off" placeholder="验证码" style="width: 63%"
            >
            <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:0px 0px 25px 0px;">记住密码</el-checkbox>-->
        <el-form-item style="width: 100%">
          <el-popover placement="top" trigger="click" @hide="onhide" v-model="popoverVisible">
            <!-- 滑动拼图验证区 -->
            <el-form-item v-if="sliderOnOff">
              <SliderVerify
                ref="sliderVerify"
                :l="42"
                :r="10"
                :w="390"
                :h="155"
                slider-text="向右拖动滑块完成验证"
                @success="onSuccess"
                @fail="onFail"
              />
            </el-form-item>
            <!-- 滑动拼图验证区 -->
            <el-button
              slot="reference"
              :loading="loading"
              :disabled="!verified"
              size="medium"
              type="primary"
              style="width: 100%"
              @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-popover>
        </el-form-item>
      </div>
    </el-form>
  </div>
</template>

<script>
  import StarBackground from "@/components/star";
  import {
    getCodeImg,
    fontConfig,
    getSecretKey
  } from "@/api/login";
  import {
    encryptedData
  } from "@/api/encrypt";
  import Cookies from "js-cookie";
  import {
    encrypt,
    decrypt
  } from "@/utils/jsencrypt";
  import {
    getVersionInfo
  } from "@/api/system/version"
  import axios from 'axios'
  import SliderVerify from "@/components/SliderVerify/slider-verify";
  export default {
    beforeCreate: function() {
      document.getElementsByTagName("body")[0].style.overflow = "hidden";
    },
    beforeDestroy: function() {
      document.getElementsByTagName("body")[0].style="";
    },

    name: "Login",
    components: {
      StarBackground,
      SliderVerify
    },
    data() {
      return {
        sliderOnOff: false,
        verified: true,
        popoverVisible:false,
        QRCode: "",
        backgroudImg: "", //背景图片
        systemTitle: {
          title: "", //标题
          subTitle: "", //副标题 数字林业
        },
        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
        captchaOnOff: true,
        // 注册开关
        register: false,
        redirect: undefined,
        appDowPath: ''
      };
    },
    watch: {
      $route: {
        handler: function(route) {
          this.redirect = route.query && route.query.redirect;
        },
        immediate: true,
      },
    },
    created() {
      this.getCode();
      this.getCookie();
      this.fontConfig();
    },
    mounted(){
      this.getVersionInfo();
    },
    methods: {
      getVersionInfo(){
        getVersionInfo().then(res => {
          this.QRCode = res.data.picUrl
        })
      },
      fontConfig() {
        fontConfig().then((res) => {
          this.systemTitle.title = res.data.fontTitle;
          this.systemTitle.subTitle = res.data.subTitle;
          this.backgroudImg = res.data.picUrl;
        });
      },
      getCode() {
        getCodeImg().then((res) => {
          this.captchaOnOff =
            res.captchaOnOff === undefined ? true : res.captchaOnOff;
          if (this.captchaOnOff) {
            this.codeUrl = "data:image/gif;base64," + res.img;
            this.loginForm.uuid = res.uuid;
          }
        });
      },
      getCookie() {
        const username = Cookies.get("username");
        const password = Cookies.get("password");
        const rememberMe = Cookies.get("rememberMe");
        this.loginForm = {
          username: username === undefined ? this.loginForm.username : username,
          password: password === undefined ? this.loginForm.password : decrypt(password),
          rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
        };
      },
      handleLogin() {
        this.verified = false;
        this.sliderOnOff = true;
      },
      onSuccess() {
        this.$refs.loginForm.validate((valid) => {
          if (valid) {
            this.verified = true;
            this.loading = true;
            // if (this.loginForm.rememberMe) {
            //无论如何我都记
            if (true) {
              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");
            }
            //登录前先获取密码加密传输的公钥，对密码进行加密
            getSecretKey().then((res) => {
              const encryptedPassword = encryptedData(
                res.data,
                this.loginForm.password
              );
              this.loginForm.password = encryptedPassword;
              this.$store
                .dispatch("Login", this.loginForm)
                .then(() => {
                  this.$router.push({
                    //path: this.redirect || '/'
                    path: "/",
                  });
                })
                .catch(() => {
                  this.loginForm.password = null;
                  this.loading = false;
                  this.popoverVisible = false;
                  this.$refs.sliderVerify.refresh();
                  if (this.captchaOnOff) {
                    this.getCode();
                  }
                });
            });
          }
        });
      },
      onFail() {},
      onhide() {
        this.verified = true;
      },
    },
  };
</script>

<style lang="scss">
.sj-pop {
  background: #369cfc !important;
  border: 1px solid #369cfc;
  border-radius: 10px;
}
</style>

<style rel="stylesheet/scss" lang="scss" scoped>
  @import "@/assets/styles/base.scss";

  .login {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background: url("../../assets/images/login/login-ty.jpg") center;
    background-size: cover;
  }

  .m-b-15 {
    margin-bottom: 15px;
  }

  .sub-title {
    margin: 0px auto 10px auto;
    text-align: center;
    color: #fff;
    font-family: $fontFk;
    font-size: 55px;
  }

  .title {
    margin: 0px auto 10px auto;
    text-align: center;
    color: #fff;
    font-family: $fontFk;
    font-size: 38px;
  }

  .sub-title {
    text-align: center;
    color: #fff;
    font-family: $fontFk;
    font-size: 38px;
  }

  .to-right {
    margin-left: 30%;
  }

  .login-form {
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    align-items: center;

    h3 {
      text-shadow: 0 0 15px rgba($color: #00f6ff, $alpha: 0.7);
    }

    .login-container {
      border-radius: 6px;
      background: rgba($color: #fff, $alpha: 0.7);
      width: 450px;
      padding: 30px;
      box-shadow: 0 0 20px rgba($color: #fff, $alpha: 0.5);

      h4 {
        border-bottom: #3e6bfb 1px solid;
        width: fit-content;
        display: inline-block;
        margin-top: 0;
        padding-bottom: 5px;
        margin-bottom: 20px;
      }
    }

    .el-input {
      height: 38px;

      input {
        height: 38px;
      }
    }

    .input-icon {
      height: 39px;
      width: 14px;
      margin-left: 2px;
      color: #3e69fb;
    }

    .el-button--primary {
      font-size: 20px;
      background: #3e69fb;
      padding: 15px;
    }
  }

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

  .login-code {
    width: 33%;
    height: 38px;
    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: 38px;
  }


  .img-container {
    width: 380px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    .img-list {
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      padding: 15px 10px;
      border-radius: 10px;
      color: white;

      img {
        width: 160px;
        height: 106px;
        border-radius: 10px;
        margin-bottom: 8px;
        box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
      }
    }
    .img-list:hover {
      background: #dbf1ff;
      color: #3e69fb;
      font-weight: bolder;
      box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
    }
  }
  .sj-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0 1rem;
    cursor: pointer;
  }
</style>
