<template>
  <view class="con-body">
    <view class="con-bg">
      <!-- 头部 -->
      <customHeader ref="customHeaderRef" :title="'客户名称列表'" :leftFlag="true" :rightFlag="false">
        <template #right>
          <view class="head-right" @click="handleAdd">
            <uni-icons type="plus" size="24" color="#B7D2FF"></uni-icons>
            新增
          </view>
        </template>
      </customHeader>

      <!-- 高度来避免头部遮挡 -->
      <view class="top-height" :style="{ paddingTop: navBarPaddingTop + 'px' }"></view>

      <!-- 正文内容 -->
      <view class="all-body">
        <!-- 搜索  @blur="blur" @focus="focus" @input="input" @cancel="cancel" @clear="clear"-->
        <view class="search">
          <uni-search-bar class="custom-search" radius="28" placeholder="请输入客户名称" clearButton="auto"
                          cancelButton="none" bgColor="#6FA2F8" textColor="#ffffff"
                          v-model="searchValue" @clear="searchValue=''"
          />
<!--          <button type="default" @click="searchValue=''" size="mini" class="btn-search">清空</button>-->
        </view>

        <!-- 分页部分  -->
        <mescroll-uni ref="mescrollRef" @init="mescrollInit"  @down="downCallback" @up="upCallback"
                      :up="upOption" :down="downOption" :fixed="false" textColor="#ffffff" bgColor="#ffffff"
                      class="scroll-h"  :class="{'loading-scroll':cssFlag}"
        ><!-- @down="downCallback"-->
          <radio-group class="block" @change="radioChange">
            <view class="white-bg" v-for="(item, index) in list" :key="index" @click="handleDetail(item)">
              <radio class='radio'
                     :class="index==selectIndex?'checked':''"
                     :checked="index==selectIndex?true:false"
                     :value="item"
                     :data-index="index">
              </radio>

              <view class="report-list">
                <view class="title">{{ item.cusName }}</view>
                <!--              <view class="r-list">
                                <view class="r-name">{{ item.shortName }}</view>
                                <view class="r-right btn-orange" size="mini">{{ item.statusName }}</view>
                              </view>-->
                <view class="border-bottom"></view>
                <!--              <view class="r-list">
                                <view class="r-left">日期</view>
                                <view class="r-right">{{ new Date(item.createTime).toLocaleDateString()}}</view>
                              </view>-->
              </view>
            </view>
          </radio-group>
        </mescroll-uni>
      </view>
    </view>
  </view>
</template>

<script setup>

import {ref, onMounted, getCurrentInstance, watch} from 'vue'
import customHeader from '@/components/customHeader.vue'
import MescrollUni from 'mescroll-uni/mescroll-uni.vue';
import {getNavBarPaddingTop} from '@/utils/system.js'
import {onLoad} from "@dcloudio/uni-app";
import {getCustomerList} from "@/api/crm/customer/getCustomer";

let instance = null;
// 获取导航栏高度用于内容区域padding
const navBarPaddingTop = ref(0);
// 查询列表
let list = ref([]);
const mescrollRef = ref(null);
let searchValue = ref('')

let cssFlag=ref(false);//控制样式

const upOption = ref({
  page: { num: 0, size: 10 },
  noMoreSize: 5,
  empty: { tip: '~ 空空如也 ~' },
  textLoading: '加载中...',
  textNoMore: '已经到底了'
});

const downOption = ref({
  auto: true,
  textInOffset: '下拉刷新',
  textOutOffset: '释放更新',
  textLoading: '刷新中...'
});

const mescrollInit = (mescroll) => {
  cssFlag.value = true;
  mescrollRef.value = mescroll;
};

onMounted(() => {
  navBarPaddingTop.value = getNavBarPaddingTop() * 2;
})


onLoad((options)=>{
  instance = getCurrentInstance().proxy;
  const eventChannel = instance.getOpenerEventChannel();
  eventChannel.on('requestCusList', async (res) => {
      let {cusName} = res.data;
      // console.log(cusName, "客户选择页读取到参数");
      searchValue.value = cusName;
  })
})

let timerId = null;
// 搜索
watch(searchValue, (newValue, oldValue) => {
  // console.log(`新值: ${newValue}, 旧值: ${oldValue}`);
  if(timerId) clearTimeout(timerId);
  cssFlag.value = true;
  timerId = setTimeout(async ()=>{
     handleSearch();
     clearTimeout(timerId);
    timerId = null;
  }, 500);
});

// 下拉刷新
const downCallback = async (mescroll) => {
  try {
    const res = await getList(1, upOption.value.page.size);
    cssFlag.value = false;
    list.value = res.list;
    // 正确结束下拉刷新状态
    mescroll.endSuccess(res.list.length, res.total >= upOption.value.page.size);
  } catch (error) {
    console.log(error)
    // 发生错误时结束下拉刷新
    mescroll.endErr();
  }
}

// 上拉加载更多
const upCallback = async (mescroll) => {
  try {
    const res = await getList(mescroll.num, mescroll.size);
    if (mescroll.num === 1) {
      list.value = res.list;
    } else {
      list.value.push(...res.list);
    }
    // 正确结束上拉加载状态
    mescroll.endSuccess(res.list.length, res.list.length >= mescroll.size);
  } catch (error) {
    console.log(error)
    // 发生错误时结束上拉加载
    mescroll.endErr();
  }
}

// 查询搜索跳转
let handleSearch = async () => {
  // 触发下拉刷新以重新加载数据
  if (mescrollRef.value) {
    uni.showLoading()
    await downCallback(mescrollRef.value.mescroll);
    uni.hideLoading()
  }
}
// 获取数据列表
const getList = async (pageIndex, pageSize) => {
    let param = {
      pageNum: pageIndex,
      pageSize,
      cusName: searchValue.value
    }
  let { rows, total  } = await getCustomerList(param)
  return {list: rows, total};
}
// 选中项的索引号
const selectIndex = ref(null);
const radioChange = (e) => {
  let {value} = e.detail;
  let {index} = e.target.dataset;
  // console.log(value);
  // console.log(e.target.dataset);
  const eventChannel = instance.getOpenerEventChannel();
  eventChannel.emit('cuSelected', value);
  uni.navigateBack()
}

</script>

<style lang="scss" scoped>
.all-body {
  /* #ifdef APP-PLUS */
  top: 150rpx;
  height: calc(100vh - 75px);
  /* #endif */
  /* #ifndef APP-PLUS */
  top: 120rpx;
  height: calc(100vh);
  /* #endif */
}

.search .btn-search {
  border: none;
  background: none;
  line-height: normal;
  color: #fff;
  line-height: 56rpx !important;
  padding: 10rpx 0 0;
  text-align: left;
  cursor: pointer;
}

.search .btn-search::after {
  display: none;
}

.scroll-h {
  /* #ifdef APP-PLUS */
  height: calc(100vh - 120px);
  /* #endif */
  /* #ifndef APP-PLUS */
  height: calc(100vh - 110px);
  /* #endif */
}

.white-bg {
  //padding-bottom:10rpx;
  margin-bottom: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.radio {
  padding-right: 20rpx;
}

.title {
  font-size: 32rpx;
  line-height: 48rpx;
}

.report-list {
  width: calc(100% - 70rpx);
  //background-color: pink;
}

.border-bottom {
  margin-top: 6rpx;
}
</style>