<script setup>
	// 商品详情
	import {
		ref,
		reactive,
		nextTick,
		getCurrentInstance,
		computed,
	} from 'vue'
	import {
		onLoad,
		onReady,
		onPageScroll,
		onUnload,
	} from '@dcloudio/uni-app'
	import {
		useStore
	} from 'vuex'
	// 接口地址
	import api from '@/api/index.js'
	// 
	import util from '@/common/js/util.js'
	// 头部
	import apex from './components/jy-commodity-head';
	// 商品列表
	import productList from '@/components/shop/productList/productList'
	// 产品详情
	import proDetail from '@/components/shop/detail/detail'
	//底部
	import footerMenu from '@/components/shop/detail/footerMenu';
	// 生成订单
	import makeOrder from '@/components/shop/detail/makeOrder.vue'

	const {
		proxy
	} = getCurrentInstance()
	const store = useStore()
	// 产品id
	const id = ref('')
	// 产品详情
	const detail = reactive({})
	// 分类id
	const categoryId = ref('')
	// 当前登录的用户信息
	const userinfo = computed(() => store.state.userinfo)

	onLoad(option => {
		// 商品id
		if (option.productId) id.value = option.productId
		// 分类id
		if (option.categoryId) categoryId.value = option.categoryId
		// 获取产品详情
		getDetail()
		// 添加商品浏览记录
		addBrowsing()
		// 开启监听
		addListener()
	})

	onReady(() => {
		// 分类id
		if (categoryId.value) {
			proxy.$refs.productListRef.listPrototype.categoryId = categoryId.value
			proxy.$refs.productListRef.listPrototype.productId = id.value
			// 获取推荐列表
			proxy.$refs.productListRef.getList()
		}
	})

	// 销毁监听
	onUnload(() => {
		removeListener()
	})

	onPageScroll((ev) => {
		if (ev.scrollTop > 44) proxy.$refs.apexRef.headerActive = true
		else proxy.$refs.apexRef.headerActive = false
	})

	// 开启监听
	function addListener() {
		// 监听商品详情
		uni.$on('commodityDetail', (data) => {
			if (detail.id == data.id) getDetail()
		})
	}

	// 移除监听
	function removeListener() {
		uni.$off('commodityDetail')
	}

	// 获取详情
	function getDetail() {
		api.shop.productDetail({
			query: {
				userId: userinfo.value.id || '',
				// 产品id
				productionId: id.value
			}
		}).then(rs => {
			if (rs.code == 200) {
				// 
				const result = rs.data
				Object.assign(detail, {}, result)
				return
			}
			util.alert({
				content: rs.msg,
				showCancel: false,
			})
		})
	}

	// 添加商品浏览记录
	function addBrowsing() {
		// 验证登录
		util.isLogin(() => {
			// 添加浏览记录
			api.shop.addBrowsing({
				data: {
					userId: userinfo.value.id || '',
					goodsId: id.value
				},
			}).then(rs => {
				if (rs.code != 200) console.log('addbrows err', rs.msg)
			})
		})
	}

	/**
	 * 详情
	 * @param {Object} ev 修改的详情
	 */
	function handleDetail(ev) {
		Object.assign(detail, {}, ev)
	}

	// 拉起订单
	function showMakeOrder() {
		util.isLogin(() => {}).then(rs => {
			proxy.$refs.makeOrderRef.open()
		}).catch(rs => {
			uni.navigateTo({
				url: '/pages/login/loginPhone'
			})
		})
	}

	/**
	 * 立即下单
	 */
	function handlePay(event) {
		// 产生待付款订单
		api.shop.addOrder({
			data: [{
				// 地址id
				addressId: event.address.id,
				// 产品id
				productId: detail.id,
				// 规格id
				attrValueId: event.spec.id,
				// 数量
				payNum: event.payNum,
				// 0-普通订单，1-视频号订单
				orderType: 0,
				// 分享人id
				// shareId: userinfo.id,
			}],
		}).then(rs => {
			if (rs.code === 200) {
				// 跳转
				if (rs.data && rs.data[0]) uni.navigateTo({
					url: util.setUrl('/pages/shop/commodity/payment', {
						orderId: rs.data[0].orderId,
					})
				})
				return
			}
			util.alert({
				content: rs.msg,
				showCancel: false,
			})
		})
	}
</script>

<template>
	<view class="app pr">
		<!-- 头部 -->
		<apex ref="apexRef" :detail="detail" />

		<!-- 获取详情 -->
		<proDetail :id="id" :detail="detail" />
		<!-- 精选 -->
		<view class="recommend mlr20">
			<productList ref="productListRef" :choicenessTitle="true"
				:requestFn="api.shop.getInfoProductRecommendations" />
		</view>

		<!-- 填充 -->
		<view class="fill" style="height: 180rpx;"></view>

		<!-- 底部菜单 -->
		<view class="footer plr20 shadow bfff">
			<footerMenu :detail="detail" @update="handleDetail" @buy="showMakeOrder" />
		</view>

		<!-- 立即支付 -->
		<makeOrder ref="makeOrderRef" :detail="detail" @confirm="handlePay" />
	</view>
</template>

<style lang="scss" scoped>
	// 
	.footerMenu {
		position: fixed;
		left: 0;
		right: 0;
		bottom: 0;
	}
</style>