<template>
	<view class="spec-content">
		<view class="topBar" :style="{'top':topBarTop+'px','height':topBarHeight+'px'}">
			<u-icon @click="goBack" name="arrow-left" color="#000000" size="20"></u-icon>
		</view>
		<view v-if="goodInfo">
			<view class="uni-margin-wrap">
				<swiper v-if="goodInfo.pics.introImagesApplet" class="swiper">
					<swiper-item v-for="item in goodInfo.pics.introImagesApplet" :key="item">
						<image :src="item" class="swiper_img" mode="scaleToFill"></image>
					</swiper-item>
				</swiper>
				<swiper v-else class="swiper">
					<swiper-item v-for="item in goodInfo.pics.introImages" :key="item">
						<image :src="item" class="swiper_img" mode="scaleToFill"></image>
					</swiper-item>
				</swiper>
			</view>
			<view class="good spec-info-left">
				<view class="good-name">{{ goodInfo.name }}</view>
				<view class="specs">
					<!-- 规格 -->
					<view v-for="specItem in goodInfo.specs" :key="specItem.specId">
						<div class="good-spec-name">{{ specItem.specName }}</div>
						<view class="good-spec-rule">
							<div v-for="specItemRule in specItem.rules" class="div_item" :key="specItemRule.ruleId" @click="selectRoles(specItemRule, specItem)">
								<div v-if="specItemRule.isRecommend=='1'" :class="[UseIt(specItemRule.ruleId)?'disabledStyle':'']" class="default"></div>
								<button class="good-spec-rule-item" :disabled="UseIt(specItemRule.ruleId)"
									:class="{ active: isActvie(specItemRule) }">
									<view @click.prevent="checkSku(specItemRule)">{{ specItemRule.ruleName }}</view>
								</button>
							</div>
						</view>
					</view>
				</view>
			</view>
			<view class="spec-detail">
				<view class="spec-detail-title spec-info-left">商品详细</view>
				<view v-if="goodInfo.pics.detailImagesApplet">
					<view class="spec-detail-img" v-for="item in goodInfo.pics.detailImagesApplet" :key="item">
						<image class="spec-detail-img-item" :src="item" mode="scaleToFill"></image>
					</view>
				</view>
				<view v-else class="spec-detail-img" v-for="item in goodInfo.pics.detailImages" :key="item">
					<image class="spec-detail-img-item" :src="item" mode="scaleToFill"></image>
				</view>
				<!-- 底部空白 -->
				<view class="good-select-height"></view>
			</view>

			<view class="good-select" :style="{'padding-bottom':BottomSafeHeight+'px; height:'+(getPx(268)-BottomSafeHeight)+'px'}">
				<view class="good-select-price">
					<div class="price">
						<view class="good-select-price-normal"><text class="moneyLog">￥</text>{{ Utils.isInteger(priceTotal.discount) }}</view>
						<view class="good-select-price-small" v-show="priceTotal.price!=priceTotal.discount">￥<text class="num">{{ Utils.isInteger(priceTotal.price) }}</text></view>
					</div>
					<div v-if="!size > 0" style="color: orangered">已售罄</div>
					<div v-else class="set_size">
						<view class="subtract" @click="reduceGood"></view>
						<span>{{ size }}</span>
						<view class="add" @click="addGood" ></view>
					</div>
				</view>
				<view v-if="size > 0" class="good-select-cont">
					<view>
						<a class="good-select-btn1" @click="getallNum()" v-if="userms">
							立即购买
						</a>
						<button v-if="!userms" class="good-select-btn1" style="border-radius: 0;" open-type="getPhoneNumber"
							@getphonenumber="getallNum">
							立即购买
						</button>
					</view>

					<span class="good-select-btn2" @click="shoppingCart" type="default">加入购物袋</span>
				</view>
			</view>
		</view>
		<show-toast ref="toast"/>
	</view>
</template>

<script>
import Utils from '@/utils/utils'
import User from '@/request/user';
import Order from '@/request/order'
import Menu from '@/request/menu'
export default {
	data() {
		return {
			title: 'Hello1',
			imglist: [{ img: "/static/logo.png" }, { img: "/static/ggxz01.png" }],
			goodInfo: null,
			selected: [],
			available: [],
			goods: {},
			skusDefault: [],
			skusSellout: [],
			loginInfo:"",
			pirce: 0,
			size: 1,
			topBarTop:0,
			topBarHeight:0,
			BottomSafeHeight:0,
			Utils,
		}
	},
	onShow() {
		uni.removeStorageSync('goodsList');
		this.BottomSafeHeight = uni.getStorageSync('BottomSafeHeight')
	},
	mounted(){
		// 获取胶囊坐标位置
    	const res = wx.getMenuButtonBoundingClientRect()
    	const menuInfoTop = res.top 
    	const menuInfoBottom = res.bottom
		const menuHeight = res.height
		let headHeight = 0
		wx.getSystemInfo({
    	  success: (res) => {
    	    headHeight = res.statusBarHeight
    	  }
    	})
		this.topBarTop = menuInfoTop
		this.topBarHeight = menuHeight
	},
	onLoad() {
		if(!this.userms){
			User.wxLoginAndGetOpenid(true).then(loginInfo=>{
				this.loginInfo = loginInfo
			})
		}
		uni.removeStorageSync('goodsList');
		const goodsInfo = JSON.parse(uni.getStorageSync('goodsInfo'));
		this.goodInfo = goodsInfo;
		console.log(JSON.parse(JSON.stringify(this.goodInfo)));

		this.initInfo(this.goodInfo)
	},
	// watch:{
	// 	selected(val){
	// 		console.log(val,'val')
	// 		const {skus,specs} = this.goodInfo
	// 		console.log(skus,'--------skus',specs,'--------specs')
	// 		const ruleIdList = val.map(res=>res.ruleId)
	// 		console.log(ruleIdList)
	// 	}
	// },
	methods: {
		getPx(rpx) {
			return rpx * (wx.getSystemInfoSync().windowWidth / 750);
		},
		initInfo(goodsInfo){
			this.available = []
			this.selected = []
			const skus = goodsInfo.skus;
			if (skus) {
				const sku = skus.find(v => v.isDefault == 1 && v.state == 1) || skus.find(v => v.isDefault == 0 && v.state == 1);
				this.skusDefault = skus.find(v => v.isDefault == 1);
				this.skusSellout = skus.find(v => v.isDefault == 1 && v.state == 1)
					|| skus.find(v => v.state == 1)
					|| skus.find(v => v.isDefault == 1)
					|| skus[0]
				if (sku){
					this.selected.push(...sku.rules)
				}else{
					this.selected = []
				};
				skus.forEach(item => {
					if (item.state == 1) {
						item.rules.forEach(rule => {
							this.available.push(rule.ruleId)
						})
					}
				})

			}
			this.$nextTick(() => {
				this.buildGoods(e => {
					if (e) {
						this.size = 1
					} else {
						this.size = 0
					}
				})
				this.$forceUpdate()
			})
		},
		goBack(){
			wx.navigateBack({
    			delta: 1
  			});
		},
		setDefaultStyle(id) {
			let selected = false;
			if (this.skusDefault && this.skusDefault.rules) {
				this.skusDefault.rules.forEach(item => {
					if (item.ruleId == id) {
						selected = true
					}
				});
			}

			return selected
		},
		checkSku(specItemRule) {
			const value = this.UseIt(specItemRule.ruleId)
			if(value) {
				this.showToast({ title: '该选项已售罄', icon: 'none' });
				return
			}
		},
		selectRoles(specItemRule, parent) {
			const value = this.UseIt(specItemRule.ruleId)
			if(value) {
				this.showToast({ title: '该选项已售罄', icon: 'none' });
				return
			}
			const { selected } = this;
			selected.forEach((item, index) => {
				if (item.specId == parent.specId) {
					selected.splice(index, 1)
				}
			});
			this.selected.push({ ...specItemRule, specId: parent.specId })
			this.buildGoods()
		},
		isActvie(data) {
			return this.selected.filter(item => item.ruleId == data.ruleId).length > 0
		},
		buildGoods(callback) {
			const skusObj = {};
			let selectedSku = null
			const skus = this.goodInfo.skus;
			skus.forEach(item => {
				const ruleId = item.rules.map(item => item.ruleId);
				skusObj[item.skuId] = ruleId.sort()
			});
			const selectedrules = this.selected.map(item => item.ruleId).sort()
			for (let item in skusObj) {
				const selStr = selectedrules.toString()
				const itemStr = skusObj[item].toString()
				if (selStr === itemStr) selectedSku = item;
			}
			const [sku] = skus.filter(item => item.skuId == selectedSku);
			if (!sku || skus.state == 2) {
				this.showToast({ title: '本商品已经售罄', icon: 'none' });
				callback && callback()
			} else {
				const { category, ...goods } = this.goodInfo;
				goods.skus = [sku];
				goods.sku = sku
				goods.flag = true;
				goods.skuId = selectedSku
				goods.categoryId = category.id;
				goods.goodsName = category.name;
				this.goods = goods
				callback && callback(true)
			}
		},
		checkNum(type){
			const shopCarInfo = uni.getStorageSync('shopCarInfo') || []
			let shopCarNum = (type=='add'?1:0)
			shopCarInfo.forEach(item=> shopCarNum+=item.num)
			let countOfOrder = uni.getStorageSync('countOfOrder');
			if ((Number(this.size) + Number(shopCarNum)) <= countOfOrder) {
				return true
			} else {
				this.showToast({
					title: '最多可一次购买'+countOfOrder+'杯',
					icon: 'none',
				});
			}

		},
		addGood() {
			if(this.checkNum('add')){
				this.size = this.size + 1;
			}
		},
		reduceGood() {
			const { size } = this
			if (size > 1) {
				this.size = size - 1;
			}
		},
		async shoppingCart() {
			if(this.checkNum('addShop')){
				const { goods } = this;
				const { data } = await Order.checkSku({skuId:goods.skuId})
				const {state,goods:newgoods} = data.data

				const newInfo = JSON.parse(JSON.stringify(newgoods))
				newInfo.category = this.goodInfo.category
				this.goodInfo = {...newInfo}
				this.initInfo(this.goodInfo)

				if(state == 2){
					this.showToast({ title: '本商品已经售罄', icon: 'none' });
					// this.getMenuList()
					return;
				}else{
					goods.num = this.size;
					Utils.getallNum(goods)
					uni.switchTab({ url: '/pages/menu/menu' })
				}
			}
		},
		async getallNum(e) {
			let Authorization = uni.getStorageSync('Authorization');
			if (!Authorization) {
				this.loginByPhoneNumber(e);
				return
			}
			const { goods } = this;
			const { data } = await Order.checkSku({skuId:goods.skuId})
			const {state,goods:newgoods} = data.data
			
			const newInfo = JSON.parse(JSON.stringify(newgoods))
			newInfo.category = this.goodInfo.category
			this.goodInfo = {...newInfo}
			this.initInfo(this.goodInfo)

			if(state == 2){
				this.showToast({ title: '本商品已经售罄', icon: 'none' });
				// this.getMenuList()
				return;
			}else{
				goods.num = this.size
				Utils.addGoods(goods)
				uni.navigateTo({ url: `/orderSubPackage/pages/settlement/index?buyType=1&goodsList=1` })
			}
		},
		async getMenuList() {
			const shopId = uni.getStorageSync('shopData').id
			let { data } = await Menu.getMenuList(shopId);
			// console.log("menus:"+JSON.stringify(data));
			if (data.code == 200) {
				data.data = data.data;
				this.$store.commit('setMenuAllInfo', data.data);
				this.$store.commit('setMenuCategorys', data.data.categorys);
				uni.setStorageSync('countOfOrder', parseInt(data.data.countOfOrder));
				// this.$refs.MenuAssembly.createList(data.data.categorys)
			}
		},
		// 付款前未登录发起授权
		loginByPhoneNumber(e) {
			if (e.detail.errMsg == 'getPhoneNumber:ok') {
				e.loginInfo = this.loginInfo
				User.getPhoneNumber(e);
			} else if (e.detail.errMsg == "getPhoneNumber:fail user deny") {
				this.showToast({ title: '已拒绝手机号授权', icon: 'error' })
			}
		},
		UseIt(ruleId) {
			return this.available.indexOf(ruleId) == -1
		}
	},
	computed: {
		userms() {
			return this.$store.getters.Authorization;
		},
		priceTotal() {
			let discount = 0;
			let price = 0;
			const { goods,skusSellout } = this;
			if (goods.sku) {
				discount = goods.sku.discount * this.size
				price = goods.sku.price * this.size
			}else if(skusSellout){
				discount = Number(skusSellout.discount)
				price = Number(skusSellout.price)
			}
			return { discount: discount.toFixed(2), price: price.toFixed(2) }
		}


	}

}
</script>

<style lang="scss">
.topBar{
	// border: 1px solid red;
	position: fixed;
	z-index: 99999999;
	width: 100%;
	display: flex;
	align-items: center;
	padding-left: 34rpx;
}

.uni-margin-wrap {
	width: 100%;
}


.swiper {
	height: 561rpx;
	width: 100%;
}

.swiper_img {
	width: 100%;
	height: 100% !important;
	vertical-align: bottom;
}

.spec-content {
	width: 100%;
	overflow-x: hidden;
}

.spec-info-left {
	padding: 28rpx 32rpx;
}

.good {
	display: block;
	width: 100%;
	text-align: left;
	// background-color: #000000;

	.good-name {
		font-size: 28rpx;
		font-family: PingFangSC-Medium, PingFang SC;
		font-weight: 500;
		color: #333333;
		line-height: 40rpx;
		padding-bottom: 22rpx;
		// background-color: #000000;
	}
	
	.specs {
		// margin-top: 30rpx;
	}

	.good-spec-name {
		padding-top: 32rpx;
		font-family: PingFangSC-Regular, PingFang SC;
		color: #999999;
		font-weight: 400;
		font-size: 24rpx;
		text-align: left;
		line-height: 34rpx;
		// background-color: blue;
	}

	.good-spec-rule {
		display: flex;
		flex-direction: row;
		justify-content: flex-start;
		margin-top: 26rpx;
		flex-wrap: wrap;
		border-radius: 0rpx;

		.div_item {
			position: relative;
			height: 48rpx;
			margin-right: 32rpx;
			line-height: 48rpx;
			min-width: 120rpx;
			z-index: 999999;

			.default {
				width: 45rpx;
				height: 48rpx;
				background: url('@/static/imgs/tuijian.png') center center no-repeat;
				background-size: 100%;
				position: absolute;
				right: -17rpx;
				top: -30rpx;
				z-index: 9;
			}
		}
	}
}

.good-spec-rule-item {
	padding: 7rpx 24rpx;
	width: 100%;
	height: 100%;
	font-size: 24rpx;
	color: #333333;
	text-align: center;
	font-weight: 400;
	display: inline-block;
	margin: 0;
	margin: 0;
	line-height: 40rpx;
	border-radius: 0rpx;
	border: none;
	font-style: normal;
	font-family: PingFangSC-Regular, PingFang SC;
	background: #EAEAEA;
	pointer-events: none;
	&.active {
		font-weight: 400;
		padding: 7rpx 24rpx;
		background: #0050F6;
		font-style: normal;
		color: #FFFFFF;
		border-radius: 0rpx;
		border: 0rpx;
		font-family: PingFangSC-Regular, PingFang SC;
	}
	view {
		pointer-events: none;
	}
}

.good-spec-rule-item::after{
	border-radius: 0rpx;
	border: 0rpx;
}

button[disabled]:not([type]) {
	background: url('@/static/imgs/shouqingsku.png') no-repeat;
	background-size: 100% 48rpx;
}

.spec-detail {
	width: 100%;
	height: 100%;
}

.spec-detail-title {
	width: 112rpx;
	height: 40rpx;
	font-size: 28rpx;
	font-family: PingFangSC-Medium, PingFang SC;
	color: #333333;
	padding-top: 32rpx !important;
	padding-bottom:22rpx !important
}

.spec-detail-img {
	margin-left: 30rpx;
	margin-right: 30rpx;
	height: 500rpx;
}

.spec-detail-img:last-child{
	margin-bottom: 115rpx;
}

.spec-detail-img-item {
	width: 100%;
	height: 100%;
}

.good-select-height {
	height: 200rpx;
}

.good-select {
	width: 100%;
	position: fixed;
	bottom: 0rpx;
	text-align: center;
	// height: 268rpx;
	background-color: #fff;
	height: auto;
	padding-bottom: 20rpx;
	box-shadow: 0px -2px 8px 0px rgba(214, 214, 214, 0.5);
}

.good-select-price {
	display: flex;
	align-items: center;
	// height: 68rpx;
	background: #FFFFFF;
	justify-content: space-between;
	align-items: center;
	padding: 26rpx 32rpx 26rpx 32rpx;
	.price{
		display: flex;
		align-items: flex-end;
		justify-content: flex-start;
		.good-select-price-normal {
			font-family: Futura-Medium, Futura;
			letter-spacing: 1px;
			font-size: 32rpx;
			color: #333333;
			margin-right: 12rpx;
			font-weight: 500;
			line-height: 38rpx;
			.moneyLog {
				font-size: 32rpx;
				font-weight: 900;
			}
		}
		
		.good-select-price-small {
			font-size: 20rpx;
			font-family: ArialMT;
			line-height: 32rpx;
			color: #999999;
			.num {
				text-decoration: line-through;
			}
		}
	}
}



.good-select-cont {
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: center;
	justify-content: space-between;
	padding: 0 30rpx;
}

.good-select-btn1 {
	width: 328rpx;
	height: 104rpx;
	border: 2rpx solid #0050F6;
	font-size: 28rpx;
	font-family: PingFangSC-Regular, PingFang SC;
	font-weight: 400;
	color: #0050F6;
	border-radius: 2px;
	line-height: 104rpx;
	text-align: center;
	background: #FFFFFF;
}

.good-select-btn2 {
	width: 328rpx;
	height: 104rpx;
	border-radius: 2px;
	font-size: 28rpx;
	font-family: PingFangSC-Regular, PingFang SC;
	background: #0050F6;
	line-height: 104rpx;
	text-align: center;
	color: #fff;
}

.set_size {
	display: flex;
	width: 150rpx;
	justify-content: space-between;
	align-items: center;
	.subtract {
		width: 40rpx;
		height: 40rpx;
		background: url('@/static/imgs/jianhao.png') center center no-repeat;
		background-size:100% 100%;
		
	}
	.add {
		width: 40rpx;
		height: 40rpx;
		background: url('@/static/imgs/jiahao.png') center center no-repeat;
		background-size:100% 100%;
	}
	span {
		margin: 0 22rpx 0 26rpx;
		font-size: 32rpx;
		font-family: ArialMT;
		color: #000000;
	}
}
</style>
