<template>
  <div class="hello">
    <Header> </Header>

    <el-container>
          <el-card class="center-card" onkeydown="if(event.keyCode==13)return false;" >
            <el-form  status-icon  label-width="0px" class="demo-ruleForm" @keyup.enter.native="onSubmit">
              <h2>{{$t('input_visit_password')}}</h2>

              <el-form-item label="" >
                <el-input type="password" auto-complete="off" v-model="password" :placeholder="$t('password')"></el-input>
              </el-form-item>

              <el-form-item label="" v-if="show_v_code">
                <el-input type="text" auto-complete="off" v-model="v_code" :placeholder="$t('verification_code')"></el-input>
                <img v-bind:src="v_code_img"  class="v_code_img" v-on:click="change_v_code_img" >

              </el-form-item>

               <el-form-item label="" >
                <el-button type="primary" style="width:100%;" @click="onSubmit" >{{$t('submit')}}</el-button>
              </el-form-item>

              <el-form-item label="" >
                  <router-link to="/user/login">{{$t('login')}}</router-link>
                  &nbsp;&nbsp;&nbsp;

              </el-form-item>
            </el-form>
          </el-card>
    </el-container>

    <Footer> </Footer>
    
  </div>
</template>

<script>


export default {
  name: 'Login',
  components : {

  },
  data () {
    return {
      password: '',
      v_code: '',
      v_code_img:DocConfig.server+'/api/common/verify',
      show_v_code:false
    }

  },
  methods: {
      onSubmit() {
          var item_id = this.$route.params.item_id ? this.$route.params.item_id : 0;
          var page_id = this.$route.query.page_id ? this.$route.query.page_id : 0  ;
          var that = this ;
          var url = DocConfig.server+'/api/item/pwd';

          var params = new URLSearchParams();
          params.append('item_id', item_id );
          params.append('page_id', page_id );
          params.append('password', this.password);
          params.append('v_code', this.v_code);

          that.axios.post(url, params)
            .then(function (response) {
              if (response.data.error_code === 0 ) {
                let redirect = decodeURIComponent(that.$route.query.redirect || ('/'+item_id));
                that.$router.replace({
                  path: redirect
                });
              }else{
                if (response.data.error_code === 10206 || response.data.error_code === 10308) {
                  that.show_v_code = true ;
                  that.change_v_code_img() ;
                };
                that.$alert(response.data.error_message);
              }
              
            });
      },
      change_v_code_img(){
        var rand = '&rand='+Math.random();
        this.v_code_img += rand ;
      }
  },
  mounted() {
  },
  beforeDestroy(){
  }
}
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>

.center-card a {
  font-size: 12px;
}

.center-card{
  text-align: center;
}

.v_code_img{
  margin-top: 20px;
}

</style>
