<template>
	<view>
		<view class="product-window"
			:class="(attr.cartAttr === true ? 'on' : '') + ' ' + (iSbnt?'join':'') + ' ' + (iScart?'joinCart':'')">
			<view class="textpic acea-row row-between-wrapper">
				<view class="pictrue">
					<image :src="attr.productSelect.image"></image>
				</view>
				<view class="text">
					<view class="line1">
						{{ attr.productSelect.storeName }}
					</view>
					<view class="money font-color">
						￥<text class="num">{{ attr.productSelect.storePrice }}</text>
						<text class="stock" v-if='isShow'>库存: {{ attr.productSelect.stock }}</text>
						<text class='stock' v-if="limitNum">限量: {{attr.productSelect.quota}}</text>
					</view>
				</view>
				<view class="iconfont icon-guanbi" @click="closeAttr"></view>
			</view>
			<view class="rollTop">
				<view class="productWinList">
					<view class="item" v-for="(item, indexw) in attr.productAttr" :key="indexw">
						<view class="title">{{ item.attrName }}</view>
						<view class="listn acea-row row-middle">
							<view class="itemn" :class="item.index === itemn ? 'on' : ''"
								v-for="(itemn, indexn) in item.attrValues" @click="tapAttr(indexw, indexn)"
								:key="indexn">
								{{ itemn }}
							</view>
						</view>
					</view>
				</view>
				<view class="cart acea-row row-between-wrapper">
					<view class="title">数量</view>
					<view class="carnum acea-row row-left">
						<view class="item reduce" :class="attr.productSelect.cart_num <= 1 ? 'on' : ''"
							@click="CartNumDes">
							-
						</view>
						<view class='item num'>
							<input type="number" v-model="attr.productSelect.cart_num"
								data-name="productSelect.cart_num"
								@input="bindCode(attr.productSelect.cart_num)"></input>
						</view>
						<view
							v-if="iSplus" 
							class="item plus"
							:class="attr.productSelect.cart_num >= attr.productSelect.stock ? 'on' : ''" 
							@click="CartNumAdd">
							+
						</view>
						<view v-else class='item plus'
							:class='(attr.productSelect.cart_num >= attr.productSelect.quota) || (attr.productSelect.cart_num >= attr.productSelect.stock) || (attr.productSelect.cart_num >= attr.productSelect.num)? "on":""'
							@click='CartNumAdd'>+</view>
					</view>
				</view>
			</view>
			<view class="joinBnt bg-color" v-if="iSbnt && attr.productSelect.stock>0 &&attr.productSelect.quota>0"
				@click="goCat">我要参团</view>
			<view class="joinBnt on"
				v-else-if="(iSbnt && attr.productSelect.quota<=0)||(iSbnt &&attr.productSelect.stock<=0)">已售罄</view>
			<view class="joinBnt bg-color" v-if="iScart && attr.productSelect.stock" @click="goCat">确定</view>
			<!-- <view class="joinBnt bg-color" v-if="iSbnt && attr.productSelect.stock && attr.productSelect.quota" @click="goCat">确定</view> -->
			<view class="joinBnt on" v-else-if="(iScart && !attr.productSelect.stock)">已售罄</view>
		</view>
		<view class="mask" @touchmove.prevent :hidden="attr.cartAttr === false" @click="closeAttr"></view>
	</view>
</template>

<script setup>
import { toRefs } from 'vue'

const props = defineProps({
  attr: {
    type: Object,
    default: () => ({})
  },
  limitNum: {
    type: Number,
    default: 0
  },
  isShow: {
    type: Number,
    default: 0
  },
  iSbnt: {
    type: Number,
    default: 0
  },
  iSplus: {
    type: Number,
    default: 0
  },
  iScart: {
    type: Number,
    default: 0
  }
})

const emit = defineEmits([
  'goCat',
  'iptCartNum',
  'myevent',
  'ChangeCartNum',
  'attrVal',
  'ChangeAttr'
])

function goCat() {
  emit('goCat')
}

function bindCode() {
  emit('iptCartNum', props.attr.productSelect.cart_num)
}

function closeAttr() {
  emit('myevent')
}

function CartNumDes() {
  emit('ChangeCartNum', false)
}

function CartNumAdd() {
  emit('ChangeCartNum', true)
}

function tapAttr(indexw, indexn) {
  emit('attrVal', { indexw, indexn })
  // 直接修改 props 不推荐，建议父组件传递响应式对象
  if (props.attr.productAttr && props.attr.productAttr[indexw]) {
    props.attr.productAttr[indexw].index = props.attr.productAttr[indexw].attrValues[indexn]
  }
  const value = getCheckedValue().join(',')
  emit('ChangeAttr', value)
}

function getCheckedValue() {
  const productAttr = props.attr.productAttr || []
  const value = []
  for (let i = 0; i < productAttr.length; i++) {
    for (let j = 0; j < productAttr[i].attrValues.length; j++) {
      if (productAttr[i].index === productAttr[i].attrValues[j]) {
        value.push(productAttr[i].attrValues[j])
      }
    }
  }
  return value
}
</script>

<style scoped lang="scss">
	.product-window {
		position: fixed;
		bottom: 0;
		width: 100%;
		left: 0;
		background-color: #fff;
		z-index: 276;
		border-radius: 16rpx 16rpx 0 0;
		padding-bottom: 140rpx;
		transform: translate3d(0, 100%, 0);
		transition: all .3s cubic-bezier(.25, .5, .5, .9);
	}
  .mask {
    z-index: 275;
  }

	.product-window.on {
		transform: translate3d(0, 0, 0);
	}

	.product-window.join {
		padding-bottom: 30rpx;
	}

	.product-window.joinCart {
		padding-bottom: 30rpx;
		z-index: 999;
	}

	.product-window .textpic {
		padding: 0 130rpx 0 30rpx;
		margin-top: 29rpx;
		position: relative;
	}

	.product-window .textpic .pictrue {
		width: 150rpx;
		height: 150rpx;
	}

	.product-window .textpic .pictrue image {
		width: 100%;
		height: 100%;
		border-radius: 10rpx;
	}

	.product-window .textpic .text {
		width: 410rpx;
		font-size: 32rpx;
		color: #333333;
	}

	.product-window .textpic .text .money {
		font-size: 24rpx;
		margin-top: 40rpx;
	}

	.product-window .textpic .text .money .num {
		font-size: 36rpx;
	}

	.product-window .textpic .text .money .stock {
		color: #999;
		margin-left: 18rpx;
	}

	.product-window .textpic .iconfont {
		position: absolute;
		right: 30rpx;
		top: -5rpx;
		font-size: 35rpx;
		color: #8a8a8a;
	}

	.product-window .rollTop {
		max-height: 500rpx;
		overflow: auto;
		margin-top: 36rpx;
	}

	.product-window .productWinList .item~.item {
		margin-top: 36rpx;
	}

	.product-window .productWinList .item .title {
		font-size: 30rpx;
		color: #999;
		padding: 0 30rpx;
	}

	.product-window .productWinList .item .listn {
		padding: 0 30rpx 0 16rpx;
	}

	.product-window .productWinList .item .listn .itemn {
		border: 1px solid #F2F2F2;
		font-size: 26rpx;
		color: #282828;
		padding: 7rpx 33rpx;
		border-radius: 40rpx;
		margin: 20rpx 0 0 14rpx;
		background-color: #F2F2F2;
	}

	.product-window .productWinList .item .listn .itemn.on {
		color: $theme-color;
		background: rgba(255, 244, 243, 1);
		border-color: $theme-color;
	}

	.product-window .productWinList .item .listn .itemn.limit {
		color: #999;
		text-decoration: line-through;
	}

	.product-window .cart {
		margin-top: 36rpx;
		padding: 0 30rpx;
	}

	.product-window .cart .title {
		font-size: 30rpx;
		color: #999;
	}

	.product-window .cart .carnum {
		height: 54rpx;
		margin-top: 24rpx;
	}

	.product-window .cart .carnum view {
		// border: 1px solid #a4a4a4;
		width: 84rpx;
		text-align: center;
		height: 100%;
		line-height: 54rpx;
		color: #282828;
		font-size: 45rpx;
	}

	.product-window .cart .carnum .reduce {
		border-right: 0;
		border-radius: 6rpx 0 0 6rpx;
		line-height: 48rpx;
	}

	.product-window .cart .carnum .reduce.on {
		// border-color: #e3e3e3;
		color: #DEDEDE;
		font-size: 44rpx;
	}

	.product-window .cart .carnum .plus {
		border-left: 0;
		border-radius: 0 6rpx 6rpx 0;
		line-height: 46rpx;
	}

	.product-window .cart .carnum .plus.on {
		border-color: #e3e3e3;
		color: #dedede;
	}

	.product-window .cart .carnum .num {
		background: rgba(242, 242, 242, 1);
		color: #282828;
		font-size: 28rpx;
		border-radius: 12rpx;
		line-height: 29px;
		height: 54rpx;

		input {
			display: -webkit-inline-box;
		}
	}

	.product-window .joinBnt {
		font-size: 30rpx;
		width: 620rpx;
		height: 86rpx;
		border-radius: 50rpx;
		text-align: center;
		line-height: 86rpx;
		color: #fff;
		margin: 21rpx auto 0 auto;
	}

	.product-window .joinBnt.on {
		background-color: #bbb;
		color: #fff;
	}
</style>
