<template>
  <div class="login">
    <div class="login-title">
      <!-- <img src="../assets/image/logo.png" alt="" /> -->
      <!-- <span>金槐花服务平台</span> -->
    </div>
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
    >
      <!-- <h3 class="col">金槐花服务平台</h3>
      <h1 class="title">登录</h1> -->
      <div style="font-size: 54px;font-weight: 500;color:#fff">hello</div>
      <div style="margin: 29px 0;font-size: 26px;font-weight: 400;color:#fff">
        欢迎来到金槐花管理系统
      </div>
      <div class="login-info">
        <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-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>
      </div>
    </el-form>
    <!-- <div class="login-form-bg"></div> -->
    <!--  底部  -->
    <!-- <div class="el-login-footer">
      <span>版权所有：金槐花</span>
    </div> -->
  </div>
</template>

<script>
import Cookies from 'js-cookie';
import { encrypt, decrypt } from '@/utils/jsencrypt';

export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        username: '',
        password: '',
        rememberMe: false
      },
      loginRules: {
        username: [
          { required: true, trigger: 'blur', message: '用户名不能为空' }
        ],
        password: [{ required: true, trigger: 'blur', message: '密码不能为空' }]
      },
      loading: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCookie();
  },
  methods: {
    getCookie() {
      const username = Cookies.get('username');
      const password = Cookies.get('password');
      const rememberMe = Cookies.get('rememberMe');
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$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(() => {
              this.loading = false;
            });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
$loginHeight: 570px;
$loginForm: 470px;
.login {
  // display: flex;
  // justify-content: center;
  // align-items: center;
  height: 100vh;
  min-height: $loginHeight;
  background: url('../assets/image/login-bg.png') 50% fixed no-repeat;
  background-size: cover;
  position: relative;
}
.title {
  // margin: 0px auto 30px auto;
  text-align: center;
  color: #000000;
}
.login-title {
  position: absolute;
  top: 40px;
  left: 40px;
  height: 50px;
  line-height: 50px;
  color: #ffffff;
  img {
    width: 100px;
    position: relative;
    top: 5px;
  }
  span {
    font-size: 32px;
    font-weight: bold;
    padding-left: 15px;
  }
}
.col {
  color: #209cff;
}
.login-form {
  position: relative;
  max-width: 100%;
  overflow: hidden;
  background: url(../assets/image/login_form.png);
  background-size: 100% 100%;
  border-radius: 10px;
  // background: #ffffff;
  width: 520px;
  min-height: $loginForm;
  padding: 20px;
  padding-top: 10px;
  position: absolute;
  top: 45%;
  left: 77%;
  transform: translate(-50%, -50%);
  z-index: 9;
  // bottom: 0;
  // margin: auto;
  .el-input {
    height: 48px;
    input {
      height: 48px;
    }
  }
  .input-icon {
    height: 48px;
    width: 14px;
    margin-left: 2px;
  }
  .login-info {
    // padding: 0 100px;
  }
}
.login-form-bg {
  border-radius: 6px;
  position: absolute;
  right: calc(15% - 20px);
  top: calc(20% - 20px);
  background: #ffffff;
  width: 400px;
  min-height: $loginForm;
  opacity: 0.3;
  z-index: 1;
}
.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>
<style>
.el-input__prefix {
  color: #209cff;
}
</style>
