<template>
	<view class="exhibitor-index">
		<nav-bar title="展商信息" @init="onInitNavbar"></nav-bar>
		<u-scroll-view :tabbar-conflict="true" @scroll-near-lower="onScrollToLower">
			<view class="main-container">
				<view class="exhibitor-filter">
					<view>
						<view class="exhibitor-filter-label">展馆号</view>
						<u-dropdown-select ref="select1" v-model="categoryId" placeholder="选择展馆号" :options="categories" @dropdown="onSelectDropdown(1)" /> 
					</view>
					<view>
						<view class="exhibitor-filter-label">产品类别</view>
						<u-dropdown-select ref="select2" v-model="categoryId" placeholder="选择产品类别" :options="categories" @dropdown="onSelectDropdown(2)" /> 
					</view>
					<view>
						<view class="exhibitor-filter-label">应用领域</view>
						<u-dropdown-select  ref="select3" v-model="categoryId" placeholder="选择应用领域" :options="categories" @dropdown="onSelectDropdown(3)" /> 
					</view>
				</view>
				<u-search v-model="searchKeyword" placeholder="搜索展商 / 展品名称 / 会议" @search="onSearch" />
				<view class="ad-space">
					<image src="https://oss.starify.cn/prod/starify/up/0001018678/20241108/672da70a6c76a.png?x-oss-process=image/resize,w_200" mode="aspectFill"/>
				</view>
				<van-empty v-if="exhibitorList.length === 0" description="暂无数据" />
				<view v-else class="exhibitor-list">
					<template v-for="(item, index) in exhibitorList">
						<exhibitor-item :item="item" :key="index" />
					</template>	
				</view>
			</view>
		</u-scroll-view>
	</view>
</template>

<script>
	import NavBar from '@/components/layout/nav-bar'
	import UScrollView from '@/components/common/u-scroll-view'
	import USearch from '@/components/common/u-search'
	import UDropdownSelect from '@/components/common/u-dropdown-select'
	import ExhibitorItem from '@/pages/exhibitor/components/exhibitor-item.vue'
	
	export default {
		options: {
			styleIsolation: 'shared'
		},
		components: {
			NavBar,
			USearch,
			UScrollView,
			UDropdownSelect,
			ExhibitorItem
		},
		data() {
			return {
				searchKeyword: '',
				exhibitorList: [{ favourited: true }, { liked: true }, { voted: true }, {}, {}, {}],
				categories: [{
					label: '表面贴装',
					value: 1,
					children: [{
						label: '表面贴装技术',
						value: 11
					}, {
						label: 'PCB焊接和连接技术',
						value: 12
					}, {
						label: '测试测量和质量保证',
						value: 13
					}, {
						label: '电子组装自动化',
						value: 14
					}, {
						label: '生产物流和物流技术',
						value: 15
					}, {
						label: '清洗技术',
						value: 16
					}]
				}, {
					label: '线束加工',
					value: 2
				}, {
					label: '工厂自动化',
					value: 3
				}, {
					label: '点胶注胶',
					value: 4
				}, {
					label: '电子制造服务',
					value: 5
				}, {
					label: '未来服务',
					value: 6
				}]
			}
		},
		created() {
			this.loadFontFace('Poppins')
		},
		methods: {
			onScrollToLower(e) {
				console.log("滚动接近底部100个像素")
			},
			onSelectDropdown(index) {
				['select1', 'select2', 'select3'].forEach(v => {
					if (v !== 'select' + index) {
						this.$refs[v].hideDropdown()
					}
				})
			},
			onSearch() {
				this.navigateTo('/pages/index/search?query=' + this.searchKeyword)
			}
		}
	}
</script>

<style lang="scss">
</style>