<script setup>
import {reactive, ref, watch} from 'vue'
import apiChart from '@/api/chart'
import apiFutureChart from '@/api/futureChart'
import apiCorrelationChart from '@/api/correlationChart'
import apiLineEquationChart from '@/api/lineEquationChart'
import apiStatisticFeatureChart from '@/api/statisticFeatureChart'
import apiCrossVarietyChart from '@/api/crossVarietyChart'
import { showToast } from 'vant'
import { vInfiniteScroll } from '@vueuse/components'
import { useNoAuth } from '@/hooks/useNoAuth'

const emits=defineEmits(['update'])

const searchVal=ref('')
const typeActive=ref(1)
const onlyMe=ref(false)

const listState=reactive({
    page:1,
    pageSize:20,
    list:[],
    finished:false,
    loading:false
})

async function getChartList(){
    const params={
        Keyword:searchVal.value,
        CurrentIndex:listState.page,
        PageSize:listState.pageSize,
        IsShowMe:onlyMe.value
    }
    listState.loading=true

    const apiMap = {
        1: apiChart.ETAChartListByES,
        2: apiFutureChart.searchChartList,
        3: apiCorrelationChart.searchChartList,
        6: apiLineEquationChart.searchChartList,
        7: apiStatisticFeatureChart.searchChart,
        10: apiCrossVarietyChart.searchChart,
    }
    
    let res = await apiMap[typeActive.value](params)
    
    listState.loading=false
    if(res.Ret===200){
        const arr=res.Data.List||[]
        listState.list=[...listState.list,...arr]
        listState.finished=res.Data?.Paging.IsEnd
    }
}
getChartList()
// 触底加载更多
// 如果没有关键词只加载最多一百条数据 不必分页
function onLoadMore(){
    if(listState.finished||listState.loading||!listState.Keyword) return
    listState.page++
    getChartList()
}

function handleRefreshList(){
    listState.list=[]
    listState.page=1
    listState.finished=false
    selectChartList.value=[]
    getChartList()
}

const selectChartList=ref([])
function handleSelect(item){
    if(item.Disabled){
        showToast('内部图表，不允许插入报告')
        return
    }
    if(!item.HaveOperaAuth) return showToast(useNoAuth().chart)
    
    const index=selectChartList.value.indexOf(item.UniqueCode)
    if(index!==-1){
        selectChartList.value.splice(index,1)
    }else{
        selectChartList.value.push(item.UniqueCode)
    }
    
}

watch(
    ()=>selectChartList.value,
    ()=>{
        emits('update',selectChartList.value)
    },
    {
        immediate:true
    }
)

</script>

<template>
    <div class="ETA-chart-wrap">
        <div class="sticky-box">
            <van-search v-model="searchVal" shape="round" placeholder="请输入图表名称" @search="handleRefreshList" @clear="handleRefreshList" />
            <van-tabs v-model:active="typeActive" line-width="16px" title-active-color="#0052D9" @change="handleRefreshList">
                <van-tab title="图库" :name="1"></van-tab>
                <van-tab title="商品价格曲线" :name="2"></van-tab>
                <van-tab title="相关性图表" :name="3"></van-tab>
                <van-tab title="拟合方程曲线" :name="6"></van-tab>
                <van-tab title="统计特征" :name="7"></van-tab>
                <van-tab title="跨品种分析" :name="10"></van-tab>
            </van-tabs>
            <van-checkbox v-model="onlyMe" @change="handleRefreshList">只看我的</van-checkbox>
        </div>
        <div class="content-box">
            <div v-if="listState.list.length==0&&listState.finished">
                <img class="list-empty-img" src="https://hzstatic.hzinsights.com/static/ETA_mobile/empty_img.png" alt="">
                <p style="text-align:center;color:#999999;font-size:12px">暂无图表</p>
            </div>
            
            <ul class="chart-list" v-infinite-scroll="[onLoadMore, { 'distance' : 10 }]">
                <li 
                    :class="['chart-item',selectChartList.includes(item.UniqueCode)&&'active']" 
                    v-for="item in listState.list" 
                    :key="item.ChartInfoId"
                    @click="handleSelect(item)"
                >
                    <div class="van-multi-ellipsis--l2 title">{{item.ChartName}}</div>
                    <img :src="!item.HaveOperaAuth?useNoAuth().noAuthImg:item.ChartImage" alt="">

                    <svg v-if="selectChartList.includes(item.UniqueCode)" width="29" height="28" viewBox="0 0 29 28" fill="none" xmlns="http://www.w3.org/2000/svg">
                        <path d="M14.5 28C22.232 28 28.5 21.732 28.5 14C28.5 6.26801 22.232 0 14.5 0C6.76801 0 0.5 6.26801 0.5 14C0.5 21.732 6.76801 28 14.5 28ZM7.5 14.413L8.913 13L12.5 16.586L20.085 9L21.5 10.415L12.5 19.414L7.5 14.413Z" fill="#0052D9"/>
                    </svg>

                </li>
                <li class="chart-item" style="height:0;border:none;margin-bottom:0;padding:0"></li>
                <li class="chart-item" style="height:0;border:none;margin-bottom:0;padding:0"></li>
            </ul>
        </div>
    </div>
</template>

<style lang="scss" scoped>
.ETA-chart-wrap{
    height: 100%;
    display: flex;
    flex-direction: column;
    .content-box{
        overflow: hidden;
        flex: 1;
        padding: var(--van-padding-sm);
        min-height: 300PX;
    }
    .chart-list{
        height: 100%;
        overflow-y: auto;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        .chart-item{
            width: 48%;
            background: #FFFFFF;
            border: 3px solid $border-color;
            box-shadow: 0px 0px 12px rgba(0, 0, 0, 0.03);
            border-radius: 4px;
            margin-bottom: 30px;
            overflow: hidden;
            padding: 14px;
            box-sizing: border-box;
            position: relative;
            max-height: 336px;
            .title{
                font-size: 28px;
                min-height: 60px;
            }
            img{
                width: 100%;
            }
        }
        .active{
            border-color: $theme-color;
            svg{
                width: 28px;
                height: 28px;
                position: absolute;
                right: 22px;
                bottom: 22px;
            }
        }
    }
}
.sticky-box{
    flex-shrink: 0;
    // position: sticky;
    // top: 0;
    // z-index: 10;
    background-color: #fff;
    .van-tabs{
        border-bottom: 1px solid $border-color;
    }
    .van-checkbox{
        margin: var(--van-padding-sm);
    }
}
@media screen and (min-width:$media-width){
    .ETA-chart-wrap{
        .chart-list{
            
            .chart-item{
                width: 260px;
                border-width: 1px;
                border-radius: 2px;
                margin-bottom: 15px;
                padding: 7px;
                max-height: 220px;
                .title{
                    font-size: 14px;
                    min-height: 30px;
                }
            }
            .active{
                svg{
                    width: 14px;
                    height: 14px;
                    right: 11px;
                    bottom: 11px;
                }
            }
        }
    }
}
</style>