<!--
 * @Date: 2022-09-06 16:29:31
 * @LastEditors: hookehuyr hookehuyr@gmail.com
 * @LastEditTime: 2023-04-28 13:11:27
 * @FilePath: /data-table/src/components/SignField/index.vue
 * @Description: 电子签名控件
-->
<template>
  <div v-if="HideShow" class="sign-page">
    <div class="label">
      <span v-if="item.component_props.required" style="color: red">&nbsp;*</span>
      <span :class="[ReadonlyShow ? 'readonly-show' : '']">{{ item.component_props.label }}</span>
    </div>
    <van-field :name="item.key" :rules="rules" style="padding: 0;">
      <template #input>
        <my-component ref="refComponent" />
      </template>
    </van-field>
  </div>
</template>

<script setup>
import { useRoute } from "vue-router";
import { showSuccessToast, showFailToast } from 'vant';
import MyComponent from './MyComponent.vue';

const $route = useRoute();
const props = defineProps({
  item: Object,
});
// 注入子组件属性
provide('props', props.item);
// 隐藏显示
const HideShow = computed(() => {
  return !props.item.component_props.disabled
})
// 只读显示-流程模式
const ReadonlyShow = computed(() => {
  return $route.query.page_type === 'flow' && !props.item.component_props.readonly;
});

const refComponent = ref(null)

// 规则校验
const required = props.item.component_props.required;
const validator = (val) => {
  if (required && !val.url) {
    return false;
  } else if (!refComponent.value.show_control && !val.url) { // 页面上已经生成签名，但是URL可能为空情况
    showFailToast('电子签名保存失败，请重新生成')
    refComponent.value.handleReset();
    return false;
  } else {
    return true;
  }
};
// 错误提示文案
const validatorMessage = (val, rule) => {
  if (required && !val.url) {
    return "电子签名不能为空";
  }
};
const rules = [{ validator, message: validatorMessage }];
</script>

<style lang="less" scoped>
.sign-page {

  // padding-bottom: 1rem;
  .label {
    padding: 1rem 1rem 0 1rem;
    font-size: 0.9rem;
    font-weight: bold;
  }
}

:deep(.van-field__error-message) {
  padding-left: 1rem;
}
</style>