<template>
  <div class="login-container">
    <div class="login-background" :style="{backgroundImage: 'url(' + (coverImgUrl ? coverImgUrl : baseImg) + ')', backgroundSize:'100% 100%', backgroundRepeat: 'no-repeat'}">
      <div class="login-background-container">
        <div class="back-title">
          Wel<span>come</span>
          <p title="合肥新能源数字工厂"><span class="back-title-point" />合肥新能源数字工厂</p>
        </div>
        <img :src="require('../assets/img/login.gif')" style="width: 100%" alt="">
      </div>
    </div>
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">

      <div class="title-container">
        <h3 class="title" title="合肥新能源数字工厂">
          <img src="../assets/img/cnbm.png" style="width: 1em; height: 1em; position: relative; top: .15em;" alt="">
          合肥新能源数字工厂
        </h3>
      </div>

      <el-form-item prop="username" style="margin: 0px 8.3%">
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="请输入用户名"
          name="username"
          type="text"
          tabindex="1"
          autocomplete="on"
        />
      </el-form-item>

      <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
        <el-form-item prop="password" style="margin: 8px 8.3%">
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="请输入密码"
            name="password"
            tabindex="2"
            autocomplete="on"
            @keyup.native="checkCapslock"
            @blur="capsTooltip = false"
            @keyup.enter.native="handleLogin"
          />
          <span class="show-pwd" @click="showPwd">
            <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
          </span>
        </el-form-item>
      </el-tooltip>

      <!-- <lang-select class="login-language" /> -->

      <el-button :loading="loading" type="primary" style="width: 83.4%; height: 6vh; background-color: #0B58FF; margin: 0px 8.3%; margin-top: 5vh" @click.native.prevent="handleLogin">
        登 录
      </el-button>
      <el-row class="login-footer">
        <!-- <el-row class="login-language">
          <el-col
            :span="2"
            :offset="8"
            :class="['login-language-box', language === 'zh' ? 'isActive' : '']"
            @click.native="changeLanguage('zh')"
          >
            中文
          </el-col>
          <el-col :span="1" :offset="1" style="color: #DCDFE6">|</el-col>
          <el-col
            :span="2"
            :offset="1"
            :class="['login-language-box', language === 'en' ? 'isActive' : '']"
            @click.native="changeLanguage('en')"
          >
            English
          </el-col>
        </el-row> -->
        <el-row class="login-copyright">
          版权所有：中建材智能自动化研究院有限公司&nbsp;&nbsp;&nbsp;&nbsp;版本：1.0
        </el-row>
      </el-row>
      <!-- <div style="position:relative">
        <div class="tips">
          <span>Username : admin</span>
          <span>Password : any</span>
        </div>
        <div class="tips">
          <span style="margin-right:18px;">Username : editor</span>
          <span>Password : any</span>
        </div>

      </div> -->
    </el-form>
  </div>
</template>

<script>

export default {
  name: 'LoginPage',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!value) {
        callback(new Error('Please enter user name or mobile'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('The password can not be less than 6 digits'))
      } else {
        callback()
      }
    }
    return {
      baseImg: require('../assets/img/login-back.png'),
      coverImgUrl: '',
      loginForm: {
        username: '18099288101',
        password: '18072965424'
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      passwordType: 'password',
      capsTooltip: false,
      loading: false,
      otherQuery: {}
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        // const query = route.query
        console.log(route)
        // if (query) {
        //   this.redirect = query.redirect
        //   this.otherQuery = this.getOtherQuery(query)
        // }
      },
      immediate: true
    }
  },
  created() {
    // window.addEventListener('storage', this.afterQRScan)
  },
  mounted() {
    if (this.loginForm.username === '') {
      this.$refs.username.focus()
    } else if (this.loginForm.password === '') {
      this.$refs.password.focus()
    }
    // this.getPic()
  },
  destroyed() {
    // window.removeEventListener('storage', this.afterQRScan)
  },
  methods: {
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && (key >= 'A' && key <= 'Z')
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          console.log(1)
          this.loading = true
          this.$store.dispatch('user/login', this.loginForm)
            .then(() => {
              this.$router.push({ path: '/index' })
              this.loading = false
            })
            .catch(() => {
              this.loading = false
            })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

// $bg:#283443;
$light_gray:#fff;
$cursor: #161616;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
    height: 6vh !important;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
    }
  }

  .el-form-item {
    border: 1px solid #D7D8D9;
    border-radius: 5px;
    color: #454545;
    height: 6vh;
    .el-form-item__content {
      height: calc(6vh - 2px);
      line-height: 6vh;
      .el-input {
        height: calc(6vh - 2px);
      }
    }
  }
}
</style>

<style lang="scss" scoped>
// $bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;
$cursor: #161616;

.login-container {
  min-height: 100%;
  width: 100%;
  background-size: cover;
  // background-color: $bg;
  overflow: hidden;
  .login-background{
    position: absolute;
    width: 60%;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    .login-background-container{
      width: 95%;
      .back-title{
        color: #26B9DE;
        font-size: 88px;
        margin-left: 17%;
        span {
          color: #fff;
        }
        p {
          font-size: 22px;
          letter-spacing: 1px;
          overflow: hidden;
          text-overflow: ellipsis;
          white-space: nowrap;
          .back-title-point {
            display: inline-block;
            width: 16px;
            height: 16px;
            border-radius: 8px;
            background-color: #26B9DE;
            margin-right: 14px;
          }
        }
      }
    }
  }

  .login-form {
    position: absolute;
    width: 40%;
    max-width: 100%;
    top: 0;
    right: 0;
    bottom: 0;
    padding: 0 6.67%;
    margin: 0 auto;
    overflow: hidden;
    background: rgba($color: #fff, $alpha: 1);
    backdrop-filter: blur(10px);
    box-shadow: 5px 5px 5px rgba($color: #000000, $alpha: .1);
    .login-footer{
      position: absolute;
      bottom: 0;
      right: 0;
      left: 0;
      margin-bottom: 5vh;
    }
    .login-language{
      font-size: 15px;
      text-align: center;
      color: $cursor;
      margin-bottom: 12px;
      .login-language-box {
        cursor: pointer;
      }
      .isActive {
        color: #0B58FF;
        cursor: auto;
      }
    }
    .login-copyright{
      text-align: center;
      color: #C7C7C7;
      font-size: 15px;
      line-height: 28px;
      padding: 0 16%;
    }
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: #000;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;
    margin-top: 18vh;

    .title {
      font-size: 34px;
      line-height: 6vh;
      margin: 0px auto 40px auto;
      text-align: center;
      overflow: hidden;
      text-overflow: ellipsis;
      word-break: break-all;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      letter-spacing: 2px;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 0;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
.line{
  width: 1px;
  height: 45px;
  border-right: solid #000 3px;
  margin-right: 12px;
}
</style>
