<template>
  <div class="login vantaRef" ref="vantaRef">
    <div class="container containerSamll">
      <div class="swiper-container swiperPross swiper-container-initialized swiper-container-horizontal">
        <div class="swiper-wrapper" style="transform: translate3d(0px, 0px, 0px);">
          <div class="swiperPic swiper-slide swiper-slide-active" style="width: 510px;"><img
            src="@/assets/images/login-bg.png" alt=""></div>
        </div>
      </div>
      <div class="index_from page-account-container from-wh">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
          <h3 class="title">MES生产执行管理系统</h3>
          <el-form-item prop="username">
            <el-input
              v-model="loginForm.username"
              type="text"
              auto-complete="off"
              placeholder="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="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="captchaOnOff">
            <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-button
              :loading="loading"
              size="medium"
              type="primary"
              style="width:100%;background: linear-gradient(90deg,#19b4f1,#0e73e8)!important;    padding: 13px 20px!important;font-weight: 400!important;font-size: 14px;"
              @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>
    </div>


    <!--  底部  -->
    <div class="el-login-footer">
      <span @click="toIPC">深ICP备2022002135号-1</span>
    </div>
  </div>
</template>

<script>
import {getCodeImg} from "@/api/login";
import Cookies from "js-cookie";
import {encrypt, decrypt} from '@/utils/jsencrypt'
import * as THREE from "three";
import WAVES from "vanta/src/vanta.waves";

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "000000",
        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
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  mounted() {
    this.vantaEffect = WAVES({
      el: this.$refs.vantaRef,
      mouseControls: true,
      touchControls: true,
      gyroControls: false,
      minHeight: 200.00,
      minWidth: 200.00,
      scale: 1.00,
      scaleMobile: 1.00,
      THREE: THREE,
    });
  },
  beforeDestroy() {
    if (this.vantaEffect) {
      this.vantaEffect.destroy();
    }
  },
  methods: {
    toIPC() {
      window.open("https://beian.miit.gov.cn/", "_blank");
    },
    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.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, {expires: 30});
            Cookies.set("password", encrypt(this.loginForm.password), {expires: 30});
            Cookies.set('rememberMe', this.loginForm.rememberMe, {expires: 30});
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({path: this.redirect || "/"}).catch(() => {
            });
          }).catch(() => {
            this.loading = false;
            if (this.captchaOnOff) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.vantaRef {
  height: 800px;
}

.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;
  //width: 400px;
  padding: 25px 0px 0px 0px;

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

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

.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;
}


.container {
  height: 400px !important;
  padding: 0 !important;
  border-radius: 12px;
  z-index: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.containerSamll {
  background: #fff !important;
}

.swiperPic, .swiperPic img, .swiperPross {
  width: 510px;
  height: 100%;
}

.swiperPic img {
  width: 100%;
  height: 100%;
}

.swiperPross {
  border-radius: 12px 0 0 12px;
}

.swiper-container {
  margin-left: auto;
  margin-right: auto;
  position: relative;
  overflow: hidden;
  list-style: none;
  padding: 0;
  z-index: 1;
}

.swiper-slide {
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  position: relative;
  transition-property: transform;
}

.index_from {
  padding: 32px 40px 32px 40px;
  height: 400px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.from-wh {
  width: 400px;
}

.page-account-container {
  border-radius: 0 6px 6px 0;
}
</style>
