<!--
 * @Date: 2022-08-31 11:45:30
 * @LastEditors: hookehuyr hookehuyr@gmail.com
 * @LastEditTime: 2022-12-22 18:43:52
 * @FilePath: /data-table/src/components/TimePickerField/index.vue
 * @Description: 时间选择组件
-->
<template>
  <div class="time-picker-field">
    <div class="label">
      {{ item.component_props.label
      }}<span v-if="item.component_props.required">&nbsp;*</span>
    </div>
    <van-field
      v-model="item.value"
      is-link
      readonly
      :name="item.key"
      :required="item.component_props.required"
      :placeholder="item.component_props.placeholder ? item.component_props.placeholder : '请选择时间'"
      :rules="rules"
      @click="showPicker = true"
    />
    <van-popup v-model:show="showPicker" position="bottom">
      <van-time-picker
        v-model="currentTime"
        title="请选择时间"
        :columns-type="columns_type"
        @confirm="onConfirm"
        @cancel="showPicker = false"
      />
    </van-popup>
  </div>
</template>

<script setup>
import dayjs from "dayjs";

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

const showPicker = ref(false);
const currentTime = ref([]);

const onConfirm = ({ selectedValues, selectedOptions }) => {
  props.item.value = selectedValues.join(":");
  showPicker.value = false;
};

const columns_type = ref([]);
const date_format = props.item.component_props.data_dateformat; // HH:mm=时分，HH:mm:ss=时分秒
onMounted(() => {
  currentTime.value = props.item.value.split(":");
  switch (date_format) {
    case "HH:mm":
      columns_type.value = ['hour', 'minute']
      break;
    case "HH:mm:ss":
      columns_type.value = ['hour', 'minute', 'second']
      break;
  }
});

const required = props.item.component_props.required;
const data_minvalue = props.item.component_props.data_minvalue;
const data_maxvalue = props.item.component_props.data_maxvalue;
const validator = (val) => {
  if (required && !val) {
    return false;
  } else if (val && data_minvalue && val < data_minvalue) {
    return false;
  } else if (val && data_maxvalue && val > data_maxvalue) {
    return false;
  } else {
    return true;
  }
};
// 错误提示文案
const validatorMessage = (val, rule) => {
  if (required && !val) {
    return "必填项不能为空";
  } else if (val && data_minvalue && val < data_minvalue) {
    return "最小可选：" + data_minvalue;
  } else if (val && data_maxvalue && val > data_maxvalue) {
    return "最大可选：" + data_maxvalue;
  }
};
const rules = [{ validator, message: validatorMessage }];
</script>

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

    span {
      color: red;
    }
  }
}
</style>