<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>
