<template>
  <div class="login" :style="{ backgroundImage: 'url(' + backgroudImg + ')' }">
    <!-- 二维码开始 -->
    <el-popover
      placement="top-start"
      trigger="click"
      popper-class="sj-pop"
    >
      <div class="img-container">
        <a class="img-list" :href="video_plugin_url" target="_blank">
          <img src="../assets/images/login-b-1.png" alt="" />
          <span>视频插件</span>
        </a>
        <a class="img-list" :href="meeting_plugin_url" target="_blank">
          <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" :href="help_url" target="_blank">
          <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%"
          >
<!--          <el-input-->
<!--            v-model="loginForm.code"-->
<!--            auto-complete="off"-->
<!--            placeholder="验证码"-->
<!--            style="width: 63%"-->
<!--            @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:0px 0px 25px 0px;">记住密码</el-checkbox>-->
        <el-form-item style="width: 100%">
          <el-popover placement="top" trigger="manual" @hide="onhide" v-model="popoverVisible">
            <!-- 滑动拼图验证区 -->
            <el-form-item v-if="sliderOnOff">
              <SliderVerify
                id="sliderV"
                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
              id="btn666"
              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 SliderVerify from "@/components/SliderVerify/slider-verify";
import { getCodeImg, fontConfig, getSecretKey } from "@/api/login";
import { encryptedData } from "@/api/tool/encrypt";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import { getVersionInfo } from "@/api/system/version";
import {
  getConfigKey
} from "@/api/system/config";
export default {
  beforeCreate: function () {
    document.getElementsByTagName("body")[0].style.overflow = "hidden";
  },
  beforeDestroy: function() {
			document.getElementsByTagName('body')[0].style.overflow = 'auto'
	},
  name: "Login",
  components: {
    StarBackground,
    SliderVerify,
  },
  data() {
    return {
      QRCode: "",
      video_plugin_url: "",
      meeting_plugin_url: "",
      help_url: "",
      backgroudImg: "", //背景图片
      systemTitle: {
        title: "", //标题
        subTitle: "", //副标题
      },
      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,
      sliderOnOff: false,
      verified: true,
      popoverVisible:false,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  created() {
    this.getCode();
    this.getCookie();
    this.fontConfig();
    this.outSlider();
  },
  mounted() {
    this.getConfigKey();
    this.getVersionInfo();
  },
  methods: {
    //验证显隐
    outSlider() {
        document.addEventListener("click", (e) => {
            let lt = document.getElementById("sliderV");
            let box = document.getElementById("btn666");
            if (!lt.contains(e.target) && !box.contains(e.target)) {
                this.popoverVisible = false;
            }
        });
    },
    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() {
      if(null == this.loginForm.username || '' == this.loginForm.username || '' == this.loginForm.password || null == this.loginForm.password) {
        this.sliderOnOff = false;
        this.popoverVisible = false;
      } else {
        this.sliderOnOff = true;
        this.verified = false;
        this.popoverVisible = 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;
    },
    getConfigKey(){
      getConfigKey('video_plugin_url').then(response => {
        this.video_plugin_url = response.msg
      })
      getConfigKey('meeting_plugin_url').then(response => {
        this.meeting_plugin_url = response.msg
      })
      getConfigKey('help_url').then(response => {
        this.help_url = response.msg
      })
    },
  },
};
</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";

.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;
}
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

.el-form-item {
  margin-bottom: 1rem;
}

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

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #fff;
  font-family: $fontFk;
  font-size: 36px;
}

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