<!--
 * @Date: 2022-09-02 10:46:03
 * @LastEditors: hookehuyr hookehuyr@gmail.com
 * @LastEditTime: 2022-11-21 14:59:02
 * @FilePath: /data-table/src/components/PhoneField/index.vue
 * @Description: 手机输入框
-->
<template>
  <div class="phone-field-page">
    <div class="label">
      {{ item.component_props.label }}
      <span v-if="item.component_props.required">&nbsp;*</span>
    </div>
    <van-field
      v-model="item.value"
      :name="item.name"
      type="digit"
      maxlength="11"
      :placeholder="item.component_props.placeholder"
      :rules="rules"
      :required="item.component_props.required"
      :readonly="readonly"
      @touchstart.stop="openKeyboard($event)"
      :border="false"
    >
    </van-field>
    <van-number-keyboard
      v-model="item.value"
      :show="show"
      :maxlength="11"
      @blur="blurKeyboard()"
    />
  </div>
</template>

<script setup>
import { wxInfo } from "@/utils/tools";
import $ from "jquery";

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

// web端判断
const readonly = computed(() => wxInfo().isMobile);

// 校验函数返回 true 表示校验通过，false 表示不通过
const validator = (val) => {
  if (!props.item.component_props.required) {
    // 非必填
    return true;
  } else {
    return /1\d{10}/.test(val);
  }
};
// 错误提示文案
const validatorMessage = (val, rule) => {
  if (!val) {
    return "手机号码不能为空";
  } else if (!/1\d{10}/.test(val)) {
    return "请输入正确手机号码";
  }
};
const rules = [{ validator, message: validatorMessage }];

const show = ref(false);

const openKeyboard = (e) => {
  show.value = true;
  // 键盘上移动
  const target_to_view_height = window.innerHeight - e.target.getBoundingClientRect().y; // 元素到适口高度
  const target_top = document.body.scrollHeight - $(e.target).offset().top; // 元素到正文高度
  let scroll_height = "";
  if (target_top < 244) {
    document.getElementById("app").style.paddingBottom = "244px";
    window.scrollTo(0, $("#app").height());
  } else {
    document.documentElement.scrollTop = 400;
  }
};
const blurKeyboard = () => {
  show.value = false;
  document.getElementById("app").style.paddingBottom = "0";
};
</script>

<style lang="less" scoped>
.phone-field-page {
  .label {
    padding: 1rem 1rem 0 1rem;
    font-size: 0.9rem;
    font-weight: bold;
    span {
      color: red;
    }
  }
}

:deep(.van-cell__value) {
  border: 1px solid #eaeaea;
  border-radius: 0.25rem;
  padding: 0.25rem 0.5rem;
}
</style>