<script setup>
	// 店铺 客服 收藏 支付
	import {
		ref,
		reactive,
		getCurrentInstance,
		computed,
		defineEmits,
		onMounted
	} from 'vue'
	// 
	import util from '@/common/js/util.js'
	// 
	import api from '@/api/index.js'

	// 地址
	import JyCommodityAddress from '@/components/public/jy-commodity-address'
	// 
	import {
		useStore
	} from 'vuex'

	const {
		proxy
	} = getCurrentInstance()
	// 
	const store = useStore()
	// 
	const props = defineProps({
		// 商品信息
		detail: {
			type: Object,
			default: () => ({})
		},
	})
	// 地址
	const address = reactive({})
	// 
	const emit = defineEmits(['update'])
	// 已选择的规格下标
	const spaceIndex = ref(0)
	// 数量
	const payNum = ref(1)
	// 当前选择的规格
	const currentSpec = computed(() => {
		let spec = props.detail.specs || []
		return spec[spaceIndex.value] || {}
	})
	// 用户信息
	const userinfo = computed(() => store.state.userinfo)
	// 应付总价
	const total = computed(() => {
		let price = parseFloat(props.detail.price) * 100
		let result = parseInt(price * payNum.value) / 100
		return result
	})
	// 
	const menuFn = {
		// 店铺
		store() {
			link('/pages/shop/store/index')
		},
		// 客服
		customerService() {
			link('/pages/news/question-answer/index')
		},
		// 收藏
		heibianStar() {
			// 
		}
	}

	onMounted(() => {
		// 获取默认收货地址
		getDefaultAddress()
	})

	// 获取默认收货地址
	function getDefaultAddress() {
		api.shop.getDefaultAddress({}).then(res => {
			if (res.code === 200) {
				if (res.data) Object.assign(address, {}, res.data)
				return
			}
			util.alert({
				content: res.msg,
				showCancel: false,
			})
		})
	}

	/**
	 * 跳转
	 * @param {Object} url 跳转路径
	 */
	function link(url) {
		uni.navigateTo({
			url,
		})
	}

	/**
	 * 选择规格
	 * @param {Object} index 选择规格下标
	 */
	function handleSpec(index) {
		if (spaceIndex.value !== index) spaceIndex.value = index
	}

	// 切换收藏
	function handleCollect() {
		// 
		api.shop.addProductCollect({
			query: {
				productId: props.detail.id,
				type: {
					0: 1,
					1: 0,
				} [props.detail.isCollect]
			},
		}).then(res => {
			if (res.code === 200) {
				emit('update', {
					...props.detail,
					isCollect: {
						0: 1,
						1: 0,
					} [props.detail.isCollect]
				})
				return
			}
			util.alert({
				content: res.msg,
				showCancel: false,
			})
		})
	}

	// 立即下单
	function handlePay() {
		// 验证必填项
		if (!address.id) {
			util.alert('请选择收货地址')
			return
		}

		// 产生待付款订单
		api.shop.addOrder({
			data: [{
				// 地址id
				addressId: address.id,
				// 产品id
				productId: props.detail.id,
				// 规格id
				attrValueId: currentSpec.value.id,
				// 数量
				payNum: payNum.value,
				// 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) {
				if (rs.data && rs.data[0])
					// 跳转
					uni.navigateTo({
						url: util.setUrl('/pages/shop/commodity/payment', {
							orderId: rs.data[0].orderId,
						})
					})
				return
			}
			util.alert({
				content: rs.msg,
				showCancel: false,
			})
		})
	}
</script>

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

	<!-- 底部 -->
	<view class="footer footerMneu rows plr20 shadow bfff">
		<view class="menu df fdr aic">
			<view class="option ver">
				<image class="wh30" src="/static/store.png" mode="widthFix" />
				<view class="f24 c999 mt10">店铺</view>
			</view>

			<view class="option ver " @click="handleCollect">
				<view class="wh30 fmid">
					<uni-icons type="star-filled" size="45rpx" color="#FF9B27" v-if="detail.isCollect == 1" />
					<uni-icons type="star" size="45rpx" color="#666" v-else />
				</view>
				<view class="f24 c999 mt10">
					<text v-if="detail.isCollect == 1">已</text>
					<text>收藏</text>
				</view>
			</view>

			<view class="option ver ">
				<image class="wh30" src="/static/customer-service.png" mode="widthFix" />
				<view class="f24 c999 mt10">客服</view>
			</view>
		</view>

		<!-- 下单 -->
		<view class="btn lg primary f1 ml30" @click="$refs.payment.open()">
			<text>立即购买</text>
		</view>
	</view>

	<!-- 规格 -->
	<uni-popup type="bottom" ref="payment">
		<view class="buy popBot plr20 bfff">
			<view class="address mtb40">
				<template v-if="address.id">
					<JyCommodityAddress :address="address" />
				</template>
				<template v-else>
					<view class="fmid c999 f28" @click="link('/pages/mine/address/index?select=1')">
						<view>暂无默认地址</view>
						<uni-icons type="right" color="#999" size="30rpx" />
					</view>
				</template>
			</view>

			<!-- 商品图 价格 明细 数量 -->
			<view class="jy-card-commodity-content df mtb40">
				<!-- 商品图 -->
				<image class="wh200 br10" :src="currentSpec.image" mode="aspectFill" />
				<!-- 价格 明细 数量 -->
				<view class="info f1 df fdc jcsb ml30">
					<!-- 价格 -->
					<view class="content-info-price">
						<text class="cFF9B27 f28">单价</text>
						<text class="cFF9B27 f24">￥</text>
						<text class="cFF9B27 f50">{{detail.price}}</text>
					</view>
					<!-- 已选 -->
					<view class="content-info-num">
						<text class="f26 c333">已选： {{currentSpec.sku}}</text>
					</view>
					<!-- 计数器 -->
					<view class="w200">
						<uni-number-box v-model="payNum" :step="1" />
					</view>
				</view>
			</view>

			<!-- 规格 -->
			<view class="spec">
				<view class="selection df">
					<!-- disabled 销量为零不能选 -->
					<view class="option mtb20 mr20" :class="{'active': spaceIndex === index}"
						v-for="(item,index) in detail.specs" :key="index" @click="handleSpec(index)">
						<text class="txt">{{item.sku}}</text>
					</view>
				</view>
			</view>

			<view class="btn lg primary mtb30" @click="handlePay">
				<text class="cfff">立即下单 ￥{{total}}</text>
			</view>
		</view>
	</uni-popup>
</template>

<style scoped lang="scss">
	// 底部菜单
	.menu {

		// 选项
		.option {
			width: 80rpx;
		}
	}

	// 规格
	.spec {

		// 选项
		.option {
			padding: 5rpx 15rpx;
			background-color: #F7F7F7;
			border-radius: 10rpx;
			transition: .3s;
			border: 2rpx solid #F7F7F7;

			.txt {
				color: #333;
				font-size: 26rpx;
				transition: .3s;
			}

			// 被选中
			&.active {
				background-color: #FFFBF8;
				border-color: #FF9B27;

				.txt {
					color: #FF9B27;
				}
			}

			// 不能选
			&.disabled {
				background-color: F7F7F7;

				.txt {
					color: #999;
				}
			}
		}
	}
</style>