<template>
	<view @touchmove.prevent.stop>
		<u-overlay :show="goodsSkuPop" @click="closeFn" zIndex="490">
			<u-popup class="popup-type" :show="goodsSkuPop" @close="closeFn" mode="bottom" :overlay="false" zIndex="500">
				<view class="py-[32rpx] relative" v-if="goodsDetail.detail" @touchmove.prevent.stop>
					<view class="flex px-[32rpx] mb-[40rpx]">

						<view class="rounded-[var(--goods-rounded-big)] overflow-hidden w-[180rpx] h-[180rpx]">
							<u--image width="180rpx" height="180rpx" :radius="'var(--goods-rounded-big)'" :src="img(goodsDetail.detail.sku_image)" @click="imgListPreview(goodsDetail.detail.sku_image)" mode="aspectFill">
								<template #error>
									<image class="w-[180rpx] h-[180rpx]" :src="img('static/resource/images/diy/shop_default.jpg')" mode="aspectFill"></image>
								</template>
							</u--image>
						</view>
						<view class="flex flex-1 flex-col ml-[24rpx] py-[10rpx]">
							<view class="w-[100%]">
								<view class="text-[var(--price-text-color)] flex items-baseline">
									<text class="text-[32rpx] font-bold price-font">￥</text>
									<text class="text-[48rpx] price-font">{{ parseFloat(goodsPrice).toFixed(2).split('.')[0] }}</text>
									<text class="text-[32rpx] mr-[6rpx] price-font">.{{ parseFloat(goodsPrice).toFixed(2).split('.')[1] }}</text>
									<image class="h-[24rpx] ml-[6rpx] max-w-[44rpx]" v-if="priceType() == 'member_price'" :src="img('addon/mall/VIP.png')" mode="heightFix" />
                                    <image class="h-[24rpx] ml-[6rpx] max-w-[72rpx]" v-if="priceType() == 'discount_price'" :src="img('addon/mall/discount.png')" mode="heightFix" />
								</view>
								<view class="text-[26rpx] leading-[32rpx] text-[var(--text-color-light6)] mt-[20rpx]">库存{{goodsDetail.detail.stock}}{{ goodsDetail.goods.unit }}</view>
							</view>
							<view class="text-[26rpx] leading-[30rpx] text-[var(--text-color-light6)] w-[100%] max-h-[60rpx] multi-hidden" v-if="goodsDetail.goodsSpec && goodsDetail.goodsSpec.length">已选规格：{{goodsDetail.detail.sku_spec_format}}</view>
						</view>
					</view>
					<scroll-view class="h-[500rpx] px-[32rpx] box-border mb-[60rpx]" scroll-y="true">
						<view :class="{'mt-[20rpx]': 0 != index }" v-for="(item,index) in goodsDetail.goodsSpec" :key="index">
							<view class="text-[28rpx] leading-[36rpx] mb-[24rpx]">{{item.spec_name}}</view>
							<view class="flex flex-wrap">
								<view class="box-border bg-[var(--temp-bg)] text-[24rpx] px-[44rpx] text-center h-[56rpx] flex-center mr-[20rpx] mb-[20rpx] border-1 border-solid rounded-[50rpx] border-[var(--temp-bg)]"
								:class="{'!border-[var(--primary-color)] text-[var(--primary-color)] !bg-[var(--primary-color-light)]': subItem.selected}"
								v-for="(subItem,subIndex) in item.values" :key="subIndex"
								@click="change(subItem, index)">{{subItem.name}}</view>
							</view>
						</view>
						<view class="flex justify-between items-center my-[20rpx]">
							<view class="text-[28rpx]">购买数量</view>
							<text v-if="maxBuyShow > 0 && minBuyShow > 1" class="ml-[20rpx] mr-[auto] text-[24rpx] text-[var(--primary-color)]">({{ minBuyShow }}{{ goodsDetail.goods.unit }}起售，限购{{ maxBuyShow }}{{ goodsDetail.goods.unit }})</text>
                            <text v-else-if="maxBuyShow > 0" class="ml-[20rpx] mr-[auto] text-[24rpx] text-[var(--primary-color)]">(限购{{ maxBuyShow }}{{ goodsDetail.goods.unit }})</text>
                            <text v-else-if="minBuyShow > 1" class="ml-[20rpx] mr-[auto] text-[24rpx] text-[var(--primary-color)]">({{ minBuyShow }}{{ goodsDetail.goods.unit }}起售)</text>
							<u-number-box :min="minBuy" :max="maxBuy" integer :step="1" input-width="68rpx" v-model="buyNum" input-height="52rpx">
								<template #minus>
									<view class="relative w-[30rpx] h-[30rpx]" @click="reduceNumChange">
                                        <text class="text-[30rpx] nc-iconfont nc-icon-jianV6xx font-500 absolute flex items-center justify-center -left-[8rpx] -bottom-[8rpx] -right-[8rpx] -top-[8rpx]"
                                            :class="{ '!text-[var(--text-color-light9)]': buyNum <= minBuy }"></text>
                                    </view>
								</template>
								<template #input>
									<input class="text-[#303133] text-[28rpx] mx-[10rpx] w-[80rpx] h-[44rpx] bg-[var(--temp-bg)] leading-[44rpx] text-center rounded-[6rpx]" type="number" @input="goodsSkuInputFn" @blur="goodsSkuBlurFn" v-model="buyNum" />
								</template>
								<template #plus>
									<view class="relative w-[30rpx] h-[30rpx]" @click="addNumChange">
                                        <text class="text-[30rpx] nc-iconfont nc-icon-jiahaoV6xx font-500 absolute flex items-center justify-center -left-[8rpx] -bottom-[8rpx] -right-[8rpx] -top-[8rpx]" :class="{ '!text-[var(--text-color-light9)]': buyNum >= maxBuy }"></text>
                                    </view>
								</template>
							</u-number-box>
						</view>
					</scroll-view>
					<view class="px-[20rpx]">
						<!-- #ifdef H5 -->
						<button v-if="goodsDetail.detail.stock > 0" hover-class="none" class="!h-[80rpx] leading-[80rpx] text-[26rpx] font-500 rounded-[50rpx] primary-btn-bg" type="primary" @click="confirm">确定</button>
						<!-- #endif -->
						<!-- #ifdef MP-WEIXIN -->
						<template v-if="goodsDetail.detail.stock > 0">
							<!-- <button v-if="isBindMobile && userInfo && !userInfo.mobile" hover-class="none" class="!h-[80rpx] leading-[80rpx] text-[26rpx] font-500 rounded-[50rpx] primary-btn-bg" type="primary" open-type="getPhoneNumber" @getphonenumber="memberStore.bindMobile">确定</button>
							<button v-else hover-class="none" class="!h-[80rpx] leading-[80rpx] text-[26rpx] font-500 rounded-[50rpx] primary-btn-bg" type="primary" @click="confirm">确定</button> -->
							<button hover-class="none" class="!h-[80rpx] leading-[80rpx] text-[26rpx] font-500 rounded-[50rpx] primary-btn-bg" type="primary" @click="confirm">确定</button>
						</template>
						<!-- #endif -->

						<button hover-class="none" v-else class="!h-[80rpx] leading-[80rpx] text-[26rpx] font-500 text-[#fff] bg-[#ccc] rounded-[50rpx]">已售罄</button>
					</view>
				</view>
			</u-popup>
		</u-overlay>
		<!-- 强制绑定手机号 -->
		<bind-mobile ref="bindMobileRef" /> 
	</view>
</template>

<script setup lang="ts">
import { ref,  computed, toRaw } from 'vue';
import { img, redirect, getToken } from '@/utils/common'
import useCartStore from '@/addon/mall/stores/cart'
import { useLogin } from '@/hooks/useLogin'
import useMemberStore from '@/stores/member'
import bindMobile from '@/components/bind-mobile/bind-mobile.vue';
import { cloneDeep } from 'lodash-es'
import { t } from '@/locale'

const props = defineProps(['goodsDetail']);
const goodsSkuPop = ref(false);
const callback:any = ref(null);
const currSpec = ref({
	skuId: "",
	name: []
})
const openType = ref("");
const buyNum = ref(1)

const maxBuy = ref(0); // 限购
const minBuy = ref(0); // 起售
const maxBuyShow = ref(0); // 限购
const minBuyShow = ref(0); // 起售


// 商品价格
const goodsPrice = computed(() =>{
	let price = "0.00";
	if(Object.keys(goodsDetail.value).length && Object.keys(goodsDetail.value.goods).length && goodsDetail.value.goods.is_discount && goodsDetail.value.sale_price != goodsDetail.value.price){
		price = goodsDetail.value.sale_price // 折扣价
	}else if(Object.keys(goodsDetail.value).length && Object.keys(goodsDetail.value.goods).length && goodsDetail.value.goods.member_discount && getToken() && goodsDetail.value.member_price != goodsDetail.value.price){
		price = goodsDetail.value.member_price // 会员价
	}else{
		price = goodsDetail.value.price
	}
	return price;
})

// 价格类型
const priceType = () => {
    let type = "";
    if (Object.keys(goodsDetail.value).length && Object.keys(goodsDetail.value.goods).length && goodsDetail.value.goods.is_discount && goodsDetail.value.sale_price != goodsDetail.value.price) {
        type = 'discount_price'// 折扣
    } else if (Object.keys(goodsDetail.value).length && Object.keys(goodsDetail.value.goods).length && goodsDetail.value.goods.member_discount && getToken() && goodsDetail.value.member_price != goodsDetail.value.price) {
        type = 'member_price' // 会员价
    }
    return type;
}

// 会员信息
const memberStore = useMemberStore()
const userInfo = computed(() => memberStore.info)

// 购物车数量
const cartStore = useCartStore();
cartStore.getList();
const cartList = computed(() => cartStore.cartList)

const open = (type="",fn = "")=>{
	openType.value = type;
	goodsSkuPop.value = true;
	callback.value = fn;
}

const goodsSkuInputFn = () => {
    setTimeout(() => {
        if (!buyNum.value || buyNum.value <= minBuy.value) {
            buyNum.value = minBuy.value || 1;
        }
        if (buyNum.value >= maxBuy.value) {
            buyNum.value = maxBuy.value;
        }
        // 起售大于库存，初始值也应该是零
        if (minBuy.value > goodsDetail.value.detail.stock) {
            buyNum.value = 0;
        }
    }, 0)
}


const goodsSkuBlurFn = () => {
    setTimeout(() => {
        if (!buyNum.value || buyNum.value <= minBuy.value) {
            buyNum.value = minBuy.value || 1;
        }
        if (buyNum.value >= maxBuy.value) {
            buyNum.value = maxBuy.value;
        }

        // 起售大于库存，初始值也应该是零
        if (minBuy.value > goodsDetail.value.detail.stock) {
            buyNum.value = 0;
            uni.showToast({
                title: '商品库存小于起购数量',
                icon: 'none'
            });
        }
    }, 0)
}


const closeFn = ()=>{
	goodsSkuPop.value = false
}

	const goodsDetail = computed(() => {
		let data =  cloneDeep(props.goodsDetail);

		// 重组数据结构
		if(Object.keys(data).length){

			if(!Object.keys(currSpec.value.name).length) currSpec.value.name = data.sku_spec_format.split(",");

			data.goodsSpec.forEach((item: any, index: any)=>{
				let specName = item.spec_values.split(",");
				item.values = [];
				specName.forEach((specItem: any, specIndex: any)=>{
					item.values[specIndex] = {};
					item.values[specIndex].name = specItem;
					item.values[specIndex].selected = false;
					item.values[specIndex].disabled = false;

					// 选中规格
					currSpec.value.name.forEach((currSpecItem, currSpecIndex)=>{
						if(currSpecIndex == index && currSpecItem == specItem){
							item.values[specIndex].selected = true;
						}
					})
				})
			})
			getSkuId();

			// 当前详情内容
			if(data.skuList && Object.keys(data.skuList).length){
				data.skuList.forEach((idItem: any, idIndex: any)=>{
					if(idItem.sku_id == currSpec.value.skuId){
						data.detail = idItem;
					}
				})
			}
		}

		// 限购 - 是否开启限购
		if (data.goods.is_limit) {
			if (data.goods.max_buy) {
				let max_buy = 0;
				if (data.goods.limit_type == 1) { //单次限购
					max_buy = data.goods.max_buy;
				} else { // 单人限购
					let buyVal = data.goods.max_buy - (data.goods.has_buy || 0);
					max_buy = buyVal > 0 ? buyVal : 0;
				}
				if (max_buy > data.detail.stock) {
					maxBuy.value = data.detail.stock
				} else if (max_buy <= data.detail.stock) {
					maxBuy.value = max_buy;
				}

				// 限购开启且最大购买变为零时，初始值也应该是零
				if (maxBuy.value == 0) {
					buyNum.value = 0;
				}
			}
			// 仅用于展示
			maxBuyShow.value = data.goods.max_buy; // 限购
		} else {
			maxBuy.value = data.detail.stock;
		}

		// 起售
		minBuy.value = data.goods.min_buy > 0 ? data.goods.min_buy : 1;
		// 起售大于库存，初始值也应该是零
		if (minBuy.value > data.detail.stock) {
			buyNum.value = 0;
		} else {
			buyNum.value = minBuy.value;
		}
		// 仅用于展示
		minBuyShow.value = data.goods.min_buy;
		
		return data;
	})

const change = (data: any, index: any)=>{
	currSpec.value.name[index] = data.name;
	getSkuId(); // 刷新当前规格信息
}

const emits = defineEmits(['change'])
const getSkuId = ()=>{
	props.goodsDetail.skuList.forEach((skuItem: any, skuIndex: any)=>{
		if(skuItem.sku_spec_format == currSpec.value.name.toString()){
			currSpec.value.skuId = skuItem.sku_id
			emits('change',skuItem.sku_id)
		}
	})
}

const addNumChange = () => {
    if (minBuy.value && minBuy.value > goodsDetail.value.detail.stock) {
        uni.showToast({ title: '商品库存小于起购数量', icon: 'none' })
        return;
    }
    if (goodsDetail.value.goods.is_limit) {
        let tips = `该商品单次限购${ goodsDetail.value.goods.max_buy }件`;
        if (goodsDetail.value.goods.limit_type != 1) { //单次限购
            tips = `该商品每人限购${ goodsDetail.value.goods.max_buy }件`;
            if (goodsDetail.value.goods.max_buy - maxBuy.value) {
                tips += `,已购${ goodsDetail.value.goods.max_buy - maxBuy.value }件`;
            }
        }
        if (buyNum.value >= maxBuy.value) {
            uni.showToast({ title: tips, icon: 'none' })
        }
    }
}

const reduceNumChange = () => {
    if (minBuy.value > 1) {
        let tips = `该商品起购${ minBuy.value }件`;
        if (buyNum.value <= minBuy.value) {
            uni.showToast({ title: tips, icon: 'none' })
        }
    }
}

//强制绑定手机号
const bindMobileRef: any = ref(null)
const isBindMobile = ref(uni.getStorageSync('isbindmobile'))
//提交
const confirm = ()=>{

	if (buyNum.value < 1) return;

	// #ifdef H5
	// 绑定手机号
	if (!userInfo.value && uni.getStorageSync('isBindMobile')) {
        uni.setStorage({
            key: 'loginBack', data: {
                url: '/addon/mall/pages/goods/detail',
                param: {
                    sku_id: goodsDetail.value.sku_id,
                    type: goodsDetail.value.type
                }
            }
        })
        bindMobileRef.value.open()
        return false
    }
	// #endif

	// 检测是否登录
	if (!userInfo.value) {
		useLogin().setLoginBack({ 
			url: '/addon/mall/pages/goods/detail',
			param: {
				sku_id: goodsDetail.value.sku_id,
				type: goodsDetail.value.type
			} 
		})
		return false
	}

	// 加入购物车
	if(openType.value == 'join_cart'){
		let num = 0;
		let limitNum = 0;
		let cartId = "";

		if(cartList.value['goods_'+goodsDetail.value.goods_id]&&cartList.value['goods_'+goodsDetail.value.goods_id]['sku_'+goodsDetail.value.sku_id]){
			num = toRaw(cartList.value['goods_'+goodsDetail.value.goods_id]['sku_'+goodsDetail.value.sku_id].num);
			cartId = toRaw(cartList.value['goods_'+goodsDetail.value.goods_id]['sku_'+goodsDetail.value.sku_id].id)
		}
		if (cartList.value['goods_' + goodsDetail.value.goods_id] && cartList.value['goods_' + goodsDetail.value.goods_id]) {
            limitNum = toRaw(cartList.value['goods_' + goodsDetail.value.goods_id].totalNum);
        }

		num += buyNum.value;
		limitNum += Number(buyNum.value);
		/************** 限购-start **************/
		if (goodsDetail.value.goods.is_limit) {
            let tips = `该商品单次限购${ goodsDetail.value.goods.max_buy }件`;
            if (goodsDetail.value.goods.limit_type != 1) { //单次限购
                tips = `该商品每人限购${ goodsDetail.value.goods.max_buy }件`;
                if (goodsDetail.value.goods.max_buy - maxBuy.value) {
                    tips += `,已购${ goodsDetail.value.goods.max_buy - maxBuy.value }件`;
                }
            }
            if (limitNum > maxBuy.value) {
                uni.showToast({ title: tips, icon: 'none' })
                return false;
            }
        }
        /************** 限购-end **************/

		cartStore.increase({
			id: cartId||'',
			goods_id: goodsDetail.value.goods_id,
			sku_id: goodsDetail.value.sku_id,
			stock: goodsDetail.value.stock,
			sale_price: goodsDetail.value.sale_price,
			site_id: goodsDetail.value.site_id,
			num: num
		},0,()=>{
			uni.showToast({
				title: '加入购物车成功',
				icon: 'none'
			});
		});

	}else if(openType.value == 'buy_now') {
		// 立即购买
		var data = {
			sku_id: goodsDetail.value.sku_id,
			num: buyNum.value
		};
		let key = goodsDetail.value.shop_info.site_id
		uni.setStorage({
			key: 'orderCreateData',
			data: {
				body: {
					[key]: { sku_data: [data] }
				}
			},
			success: () => {
				redirect({ url: '/addon/mall/pages/order/payment' })
			}
		});
	}

	closeFn();
}
//预览图片
const imgListPreview = (item: any) => {
	if (item === '') return false
	var urlList = []
	urlList.push(img(item))  //push中的参数为 :src="item.img_url" 中的图片地址
	uni.previewImage({
		indicator: "number",
		loop: true,
		urls: urlList
	})
}
defineExpose({
	open
})
</script>

<style lang="scss" scoped>
::v-deep .u-number-box .u-number-box__slot{
	display: flex;
	align-items: center;
}
</style>
