<!--
 * @Date: 2022-08-30 14:32:11
 * @LastEditors: hookehuyr hookehuyr@gmail.com
 * @LastEditTime: 2024-06-13 17:06:42
 * @FilePath: /data-table/src/components/AreaPickerField/index.vue
 * @Description: 省市区选择控件
-->
<template>
  <div v-if="HideShow" class="area-picker-field">
    <div class="label">
      <span v-if="item.component_props.required">&nbsp;*</span>
      {{ item.component_props.label }}
    </div>
    <van-field :name="item.key" :rules="rules" style="padding: 0;">
      <template #input>
        <my-component />
      </template>
    </van-field>
  </div>
</template>

<script setup>
import MyComponent from './MyComponent.vue';

const props = defineProps({
  item: Object,
});

if (props.item.component_props.default) {
  props.item.component_props.default.picker_value = `${props.item.component_props.default.province} ${props.item.component_props.default.city} ${props.item.component_props.default.district}`;
  props.item.component_props.default.input_value = props.item.component_props.default.street;
  props.item.city_code = props.item.component_props.default.city_code;
}

// 注入子组件属性
provide('props', props.item);
// 隐藏显示
const HideShow = computed(() => {
  return !props.item.component_props.disabled
});

// 规则校验
const required = props.item.component_props.required;
const show_street = !props.item.component_props.no_street; // 显示详细地址
const validator = (val) => {
  if (required && show_street && (!val.picker_value || !val.input_value)) {
    return false;
  } else if (required && !show_street && !val.picker_value) {
    return false;
  } else {
    return true;
  }
};
// 错误提示文案
const validatorMessage = (val, rule) => {
  if (required && show_street && (!val.picker_value || !val.input_value)) {
    return "必填项不能为空";
  } else if (required && !show_street && !val.picker_value) {
    return "必填项不能为空";
  }
};
const rules = [{ validator, message: validatorMessage }];
</script>

<style lang="less" scoped>
.area-picker-field {
  .label {
    padding: 1rem 1rem 0 1rem;
    font-size: 0.9rem;
    font-weight: bold;

    span {
      color: red;
    }
  }
}

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

</style>