<template>
  <div class="login">
	<h3 class="title">桥梁健康监测管理平台</h3>
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
	  <h3 class="text">用户登录</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          placeholder="用户名"
        >
         <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%;"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
		<!-- <span class="backimg"></span> -->
		<!-- <span>©  ⋅ 技术支持： 山西华远陆港</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: "",
        //  username: "admin",
        //  password: "admin123",
        rememberMe: false,
        code: "",
        uuid: ""
      },
	  uuser:'',
      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: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    // document.cookie=`Admin-Token=${new URLSearchParams(window.location.search).get('Admin')}`;
    // console.log(new URLSearchParams(window.location.search).get('Admin'))
    this.getCode();
    this.getCookie();
  },
  methods: {
    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">
.login {
	width:100%;
	height: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
	background-image: url("../assets/images/background.png");
	background-size: 100% 100%;
	position: relative;
}
.title {
  position: absolute;
  top: 13%;
  left: 58%;
  color: #fff;
  font-size: 45px;
  font-weight: bold;
  letter-spacing: 10px;
}

.login-form {
	width:29.375rem;
	height: 28.5rem;
	background-image: url("../assets/images/bgborder.png");
	background-size: 100% 100%;
	position: absolute;
	top: 55%;
	left: 72%;
	transform: translate(-50%, -50%);
	padding: 25px 25px 5px 25px;
	.text{
		width:100%;
		height:35px;
		display: flex;
		justify-content: center;
		align-items: center;
		color:#01a6f8;
		font-size:30px;
		font-weight: bold;
		letter-spacing: 3px;
	}
	.el-form-item{
		display: flex;
		justify-content: center;
		align-items: center;
	}
	.el-input__prefix{
		margin-top: 5px;
	}
  .el-input {
	width:380px;
    height: 50px;
	.el-input__inner{
		outline:none;
		height:100%;
		background-color: #1c1f53;
		border:1px solid #0e6594;
	}
    input {
      height: 38px;
    }
  }
  .el-form-item__content{
	  width:90%;
  }
  .el-checkbox__inner{
	  margin-left:35px;
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
  .login-code-img{
	  height: 43px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.login-code-img {
  height: 38px;
}
.backimg{
	width: 1.875rem;
	height: 1.875rem;
	background:no-repeat url("~@/assets/images/logo.png");
	background-size: 100% 100%;
	margin-right: 1.25rem;
	
}
.el-login-footer{
		display:flex;justify-content:center;color:#fff;line-height:2;position: fixed;bottom:5%;
		span{
			color:#fff;display:inline-block;font-weight:bold;
		}
	}
</style>
