<template>
  <div class="login" @keyup.enter="handleSubmit('formInline')">
    <!-- 顶部logo -->
    <div class="top-content" @click="hideVerify">
      <div class="logo-box">
        <img :src="$store.state.logoImg" @click="$router.push('/')" />
        <div>欢迎登录</div>
      </div>
    </div>
    <!-- 登录主体 包含轮播图 登录模块 -->
    <div class="login-container">
      <!-- 轮播 -->
      <el-carousel :interval="5000" arrow="never" class="login-carousel" height="550px">
        <el-carousel-item>
          <div class="demo-carousel" @click="hideVerify">
            <img src="https://lili-system.oss-cn-beijing.aliyuncs.com/background.jpg" />
          </div>
        </el-carousel-item>
      </el-carousel>
      <!-- 登录模块 -->
      <div class="form-box" @click="hideVerify">
        <div class="account-number">
          <div class="tab-switch">
            <span>{{ type ? '账号登录' : '验证码登录' }}</span>
            <span @click="type = !type,scannerCodeLoginFLag=false">{{ type ? '验证码登录' : '账号登录' }}</span>
          </div>
          <!---->
          <div @click="scannerCodeLoginFLag=!scannerCodeLoginFLag">{{!scannerCodeLoginFLag ? '扫码登录' : '返回'}}</div>
        </div>
        <!--扫码登录-->
        <div v-show="scannerCodeLoginFLag">
          <div class="qr-container">
            <div class='qr-shadow flex' v-show="qrCodeStatus == 'fail'">
              <span>
                二维码已失效
              </span>
              <el-button size='small' @click="createPCLoginSession">刷新二维码</el-button>
            </div>
            <vue-qr
              :text="qrCode"
              :margin="0"
              colorDark="#000"
              colorLight="#fff"
              :size="150"
            ></vue-qr>
          </div>
          <div class="drag-area">
          <!--    等待扫码-->
          <div v-if="scannerCodeLoginStatus === 0" class="pending-scan">
            <p>打开手机App/小程序，扫码登录</p>
          </div>
          <!--    已经扫码-->
          <div v-else-if="scannerCodeLoginStatus === 1" class="scanned">
            <p>扫码成功，等待确认</p>
          </div>

          <!--    存在session，等待发送给客户端验证-->
          <div v-if="scannerCodeLoginStatus === 2" class="scanned">
            <p>登录成功，正在页面跳转</p>
          </div>

          <!--    已经发送登录请求-->
          <div v-else-if="scannerCodeLoginStatus === 3" class="quick-logining">
            <p>取消登录</p>
          </div>
        </div>
        </div>

        <div>
          <div v-show="!scannerCodeLoginFLag">
          <!-- 账号密码登录 -->
          <el-form ref="formInline" :model="formData" :rules="ruleInline" v-show="type === true"
                @click.self="hideVerify">
            <el-form-item prop="username">
              <el-input type="text" v-model="formData.username" clearable placeholder="用户名">
                <template #prepend><el-icon><User /></el-icon></template>
              </el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input type="password" v-model="formData.password" clearable placeholder="密码">
                <template #prepend><el-icon><Lock /></el-icon></template>
              </el-input>
            </el-form-item>
            <el-form-item>
              <el-button type="danger" @click.stop="handleSubmit('formInline')" style="width:100%">登录</el-button>
            </el-form-item>
          </el-form>
          <!-- 验证码登录 -->
          <el-form ref="formSms" :model="formSms" :rules="ruleInline" v-show="type === false"
                @click.self="hideVerify">
            <el-form-item prop="mobile">
              <el-input type="text" v-model="formSms.mobile" clearable placeholder="手机号">
                <template #prepend><el-icon><Lock /></el-icon></template>
              </el-input>
            </el-form-item>
            <el-form-item prop="code">
              <el-input type="text" v-model="formSms.code" placeholder="手机验证码">
                <template #prepend><el-icon style="font-weight: bold"><Document /></el-icon></template>
                <template #append><el-button @click="sendCode">{{ codeMsg }}</el-button></template>
              </el-input>
            </el-form-item>
            <el-form-item>
              <el-button @click.stop="verifyBtnClick" style="width:100%"
                      :type="verifyStatus?'success':'default'">{{ verifyStatus ? '验证通过' : '点击完成安全验证' }}
              </el-button>
            </el-form-item>
            <el-form-item>
              <el-button type="danger" @click="handleSubmit('formSms')" style="width:100%">登录</el-button>
            </el-form-item>
          </el-form>
        </div>
          <div class="other">
            <div class="other-login">
              <svg t="1631154795933" class="icon" @click="handleWebLogin('QQ')" viewBox="0 0 1024 1024" version="1.1"
                  xmlns="http://www.w3.org/2000/svg" p-id="4969" width="32" height="32">
                <path
                  d="M824.8 613.2c-16-51.4-34.4-94.6-62.7-165.3C766.5 262.2 689.3 112 511.5 112 331.7 112 256.2 265.2 261 447.9c-28.4 70.8-46.7 113.7-62.7 165.3-34 109.5-23 154.8-14.6 155.8 18 2.2 70.1-82.4 70.1-82.4 0 49 25.2 112.9 79.8 159-26.4 8.1-85.7 29.9-71.6 53.8 11.4 19.3 196.2 12.3 249.5 6.3 53.3 6 238.1 13 249.5-6.3 14.1-23.8-45.3-45.7-71.6-53.8 54.6-46.2 79.8-110.1 79.8-159 0 0 52.1 84.6 70.1 82.4 8.5-1.1 19.5-46.4-14.5-155.8z"
                  p-id="4970" fill="#1296db"></path>
              </svg>
              <svg t="1631154766336" class="icon" @click="handleWebLogin('WECHAT_PC')" viewBox="0 0 1024 1024"
                  version="1.1"
                  xmlns="http://www.w3.org/2000/svg" p-id="3844" width="32" height="32">
                <path
                  d="M683.058 364.695c11 0 22 1.016 32.943 1.976C686.564 230.064 538.896 128 370.681 128c-188.104 0.66-342.237 127.793-342.237 289.226 0 93.068 51.379 169.827 136.725 229.256L130.72 748.43l119.796-59.368c42.918 8.395 77.37 16.79 119.742 16.79 11 0 21.46-0.48 31.914-1.442a259.168 259.168 0 0 1-10.455-71.358c0.485-148.002 128.744-268.297 291.403-268.297l-0.06-0.06z m-184.113-91.992c25.99 0 42.913 16.79 42.913 42.575 0 25.188-16.923 42.579-42.913 42.579-25.45 0-51.38-16.85-51.38-42.58 0-25.784 25.93-42.574 51.38-42.574z m-239.544 85.154c-25.384 0-51.374-16.85-51.374-42.58 0-25.784 25.99-42.574 51.374-42.574 25.45 0 42.918 16.79 42.918 42.575 0 25.188-16.924 42.579-42.918 42.579z m736.155 271.655c0-135.647-136.725-246.527-290.983-246.527-162.655 0-290.918 110.88-290.918 246.527 0 136.128 128.263 246.587 290.918 246.587 33.972 0 68.423-8.395 102.818-16.85l93.809 50.973-25.93-84.677c68.907-51.93 120.286-119.815 120.286-196.033z m-385.275-42.58c-16.923 0-34.452-16.79-34.452-34.179 0-16.79 17.529-34.18 34.452-34.18 25.99 0 42.918 16.85 42.918 34.18 0 17.39-16.928 34.18-42.918 34.18z m188.165 0c-16.984 0-33.972-16.79-33.972-34.179 0-16.79 16.927-34.18 33.972-34.18 25.93 0 42.913 16.85 42.913 34.18 0 17.39-16.983 34.18-42.913 34.18z"
                  fill="#09BB07" p-id="3845"></path>
              </svg>
            </div>
            <div class="register">
              <span style="color:red" @click.stop="$router.push('signUp')">还没有账号？点击立即注册</span>
              <span @click.stop="$router.push('forgetPassword')">忘记密码</span>
            </div>
          </div>
        </div>
      </div>


      <!-- 拼图验证码 -->
      <verify ref="verify" class="verify-con" verifyType="LOGIN" @change="verifyChange"></verify>
    </div>
    <div class="foot">
      <div type="flex" justify="space-around" class="help">
        <router-link to="/article" class="item" target="_blank">帮助</router-link>
        <router-link to="/article?id=1371779927900160000" class="item" target="_blank">隐私</router-link>
        <router-link to="/article?id=1371992704333905920" class="item" target="_blank">条款</router-link>
      </div>
      <div type="flex" justify="center" class="copyright">
        Copyright © {{year}} - Present
        <a href="https://pickmall.cn" target="_blank" style="margin: 0 5px">{{config.title}}</a>
        版权所有
      </div>
    </div>
  </div>
</template>

<script>

import { Message, Spin } from "@/utils/message";
import * as RegExp from "@/plugins/RegExp.js";
import { md5 } from "@/plugins/md5.js";
import * as apiLogin from "@/api/login.js";
import { sendSms } from "@/api/common.js";
import { webLogin, loginCallback,sCLogin,getSCLoginCode} from "@/api/login.js";
import storage from "@/plugins/storage.js";
import verify from "@/components/verify";
import vueQr from "vue-qr";
import { User, Lock, Document } from "@element-plus/icons-vue";
import config from "@/config";

export default {
  name: "Login",
  components: {
    verify,
    vueQr,
    User,
    Lock,
    Document,
  },
  data() {
    return {
      qrCodeStatus:"success", //
      qrCode: '',
      qrSessionToken:'',
      //是否是二维码登录
      scannerCodeLoginFLag: false,
      scannerCodeLoginStatus: 0,
      qrCodeTimer:null,
      config,
      type: true, // true 账号登录  false 验证码登录
      formData: {
        // 登录表单
        username: "",
        password: "",
      },
      formSms: {
        // 手机号登录
        code: "",
        mobile: "",
      },
      verifyStatus: false, // 是否图片验证通过
      ruleInline: {
        // 验证规则
        username: [{required: true, message: "请输入用户名"}],
        password: [
          {required: true, message: "请输入密码"},
          {type: "string", min: 6, message: "密码不能少于6位"},
        ],
        mobile: [
          {required: true, message: "请输入手机号码"},
          {
            pattern: RegExp.mobile,
            message: "请输入正确的手机号",
          },
        ],
        code: [{required: true, message: "请输入手机验证码"}],
      },
      codeMsg: "发送验证码", // 验证码文字
      interval: null, // 定时器
      time: 60, // 倒计时
      year: new Date().getFullYear(),
    };
  },
  watch:{

    scannerCodeLoginFLag(val){
      !val ? this.clearInterval() : ''
    }
  },
  methods: {
    hideVerify() {
      this.$refs.verify?.close?.();
    },

    // 登录
    handleSubmit(name) {
      this.$refs[name].validate((valid) => {
        if (valid) {
          if (this.type) {
            this.$refs.verify?.init();
          } else {
            let data = JSON.parse(JSON.stringify(this.formSms));
            apiLogin.smsLogin(data).then((res) => {
              this.hideVerify();
              if (res.success) {
                Message.success("登录成功");
                storage.setItem("accessToken", res.result.accessToken);
                storage.setItem("refreshToken", res.result.refreshToken);
                storage.setItem('getTimes',0)
                apiLogin.getMemberMsg().then((res) => {
                  if (res.success) {
                    storage.setItem("userInfo", res.result);
                    let query = this.$route.query;
                    if (query.rePath) {
                      this.$router.push({
                        path: query.rePath,
                        query: JSON.parse(query.query),
                      });
                    } else {
                      this.$router.push("/");
                    }
                  }
                });
              } else {
                Message.error(res.message);
              }
            });
          }
        }
      });
    },
    // 发送手机验证码
    sendCode() {
      if (this.time === 60) {
        if (this.formSms.mobile === "") {
          Message.warning("请先填写手机号");
          return;
        }
        if (!this.verifyStatus) {
          Message.warning("请先完成安全验证");
          return;
        }
        let params = {
          mobile: this.formSms.mobile,
          verificationEnums: "LOGIN",
        };
        sendSms(params).then((res) => {
          if (res.success) {
            Message.success("验证码发送成功");
            let that = this;
            this.interval = setInterval(() => {
              that.time--;
              if (that.time === 0) {
                that.time = 60;
                that.codeMsg = "重新发送";
                that.verifyStatus = false;
                clearInterval(that.interval);
              } else {
                that.codeMsg = that.time;
              }
            }, 1000);
          } else {
            Message.warning(res.message);
          }
        });
      }
    },
    verifyChange(con) {
      // 拼图验证码回显
      if (!con.status) return;

      if (this.type === true) {
        // 账号密码登录
        let data = JSON.parse(JSON.stringify(this.formData));
        data.password = md5(data.password);
        this.hideVerify();
        Spin.show();
        apiLogin
          .login(data)
          .then((res) => {
            if (res.success) {
              this.loginSuccess(res.result.accessToken,res.result.refreshToken);
            } else {
              Spin.hide();
              Message.error(res.message);
            }
          })
          .catch(() => {
            Spin.hide();
          });
      } else {
        this.verifyStatus = true;
        this.hideVerify();
      }
    },
    // 开启滑块验证
    verifyBtnClick() {
      if (!this.verifyStatus) {
        this.$refs.verify?.init();
      }
    },
    handleWebLogin(type) {
      // 第三方登录
      webLogin(type);
    },
    loginSuccess(accessToken,refreshToken){
      Message.success("登录成功");
      storage.setItem("accessToken", accessToken);
      storage.setItem("refreshToken", refreshToken);
      apiLogin.getMemberMsg().then((res) => {
        Spin.hide();
        if (res.success) {
          storage.setItem("userInfo", res.result);
          let query = this.$route.query;
          if (query.rePath) {
            this.$router.push({
              path: query.rePath,
              query: JSON.parse(query.query),
            });
          } else {
            this.$router.push("/");
          }
        }
      });
    },

    async createPCLoginSession() {
      getSCLoginCode({}).then(response=>{
        this.clearQRLoginInfo();
        if (response.code == 200) {
          this.qrCodeStatus = 'success'
          let session = response.result;
          this.qrSessionToken = session.token;
          if (session.status === 0) {
            this.qrCode = session.token;
            this.refreshQrCode();
          }
          this.qrLogin();

        }
      });
    },

    async refreshQrCode() {
      if (!this.qrCodeTimer) {
        this.qrCodeTimer = setInterval(() => {

          this.qrCodeStatus = 'fail' // 如果过期将二维码转为失效状态
        }, 10 * 1000);
      }
    },

    clearQRLoginInfo(){
      this.scannerCodeLoginStatus=0;
      this.qrSessionToken='';
      if (this.qrCodeTimer) {
        clearInterval(this.qrCodeTimer)
      }
      this.qrCodeTimer= null;
    },

    async qrLogin() {
      if(!this.qrSessionToken) return;
      sCLogin(this.qrSessionToken,{beforeSessionStatus:this.scannerCodeLoginStatus}).then(response=>{
        if (response.success) {
          this.scannerCodeLoginStatus = response.result.status;
          switch (response.result.status) {
            case 0:
            case 1:
              this.qrLogin();break;
            case 2:
              this.loginSuccess(response.result.token.accessToken,response.result.token.refreshToken);
              break;
            case 3:
              this.createPCLoginSession();
              break;
            default:
              this.clearQRLoginInfo();
              break
          }
        }  else{
          this.clearQRLoginInfo();
        }
      });
    },
  },
  beforeUnmount() {
    this.clearQRLoginInfo();
  },
  mounted() {
    let uuid = this.$route.query.state;
    if (uuid) {
      storage.setItem("uuid", uuid);
      loginCallback(uuid).then((res) => {
        if (res.success) {
          this.loginSuccess(res.result.accessToken,res.result.refreshToken);
        }
      });
    }
  },
  watch: {
    scannerCodeLoginFLag(v){
      if(v){
        this.createPCLoginSession();
        console.log("二维码登录");
      }else{
        console.log("取消二维码登录");
        this.clearQRLoginInfo();
      }
    },
    type(v) {
      if (v) {
        this.$refs.formInline.resetFields();
      } else {
        this.$refs.formSms.resetFields();
      }
      this.verifyStatus = false;
      this.hideVerify();
      clearInterval(this.interval);
      this.codeMsg = "发送验证码";
      this.time = 60;
    },
  },
};
</script>
<style scoped lang="scss">
.drag-area{
  margin: 10px 0;
}
.login {
  height: 100%;
  background-color: #f0f2f5;
}
.other{
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.qr-container{
  text-align: center;
  margin: 20px 0;
  position: relative;
  >.qr-shadow{
    background: rgba(0, 0, 0, 0.45);
    position: absolute;
    left: 50%;
    margin-left: -75px;
    top: 0;
    z-index: 99;
    width: 150px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #fff;
    >span{
      margin-bottom: 20px;
      font-size: 13px;
      letter-spacing: 2px;
    }
  }
}
.top-content {
  width: 100%;
  height: 80px;
  position: relative;
  z-index: 1;

  box-shadow: 0 1px 1px #ddd;
  background-color: #fff;

  .logo-box {
    width: 80%;
    max-width: 1200px;
    height: 80px;
    margin: 0 auto;
    display: flex;
    align-items: center;

    img {
      width: 150px;
      cursor: pointer;
    }

    div {
      font-size: 20px;
      margin-top: 10px;
    }
  }
}
.pending-scan{
  text-align: center;
  color:black;
}
.scanned{
  text-align: center;
  color:green;
}
.quick-logining{
  text-align: center;
  color:red;
}

.login-carousel {
  width: 100%;
  height: 550px;

  .demo-carousel {
    height: 550px;
    width: inherit;
    display: flex;
    justify-content: center;
  }
}

.login-container {
  position: relative;
  width: 100%;
  height: 550px;
}

.form-box {
  width: 350px;
  box-sizing: border-box;
  position: absolute;
  top: 80px;
  right: 15%;
  padding: 20px;
  background: rgba(255, 255, 255, 0.8);

  .account-number {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-weight: bold;

    > div:nth-child(2) {
      color: $theme_color;
      cursor: pointer;
    }

    .tab-switch {
      height: 40px;
      font-size: 14px;

      span:nth-child(1) {
        font-size: 16px;
        border-right: 1px solid #ddd;
        padding-right: 10px;
      }

      span:nth-child(2) {
        cursor: pointer;
        padding-left: 10px;

        &:hover {
          color: $theme_color;
        }
      }
    }
  }
}

.verify-con {
  position: absolute;
  right: 16%;
  top: 90px;
  z-index: 10;
}

.other-login {

  > svg {
    cursor: pointer;
    width: 24px;
    margin-right: 10px;
    height: 24px;
  }
}

.register {
  display: flex;
  margin-top: -10px;
  font-size: 12px;

  span {
    margin-left: 10px;
    font-size: 12px;

    &:hover {
      cursor: pointer;
      color: $theme_color;
    }
  }
}

.foot {
  position: fixed;
  bottom: 4vh;
  width: 368px;
  left: calc(50% - 184px);
  color: rgba(0, 0, 0, 0.45);
  font-size: 14px;

  .help {
    margin: 0 auto;
    margin-bottom: 1vh;
    width: 60%;

    .item {
      color: rgba(0, 0, 0, 0.45);
    }

    :hover {
      color: rgba(0, 0, 0, 0.65);
    }
  }
}

.icon-hover {
  cursor: pointer;
}

</style>
