<template>
    <view class="groupBook">
        <view class="top">
            <view class="title">VIP换购</view>
            <view>百款商品任意换购</view>
        </view>
        <!--  有数据 -->
        <scroll-view scroll-y="true" class="scroll"  @scrolltolower='scrolltolower' v-if="lists.length>0">
            <block v-for="(item,index) in lists" :key="index">
                <vipGoodsItem :item="item" @goPin="goPin" />
            </block>
        </scroll-view>
        <!--  没数据 -->
        <scroll-view scroll-y="true" class="scroll"  v-else>
            <view class="vertical pages-empty" style="padding-top: 200rpx;">
            	<u-empty
            		icon="http://cdn.uviewui.com/uview/empty/list.png"
            		textColor="#999"
            		text="暂无VIP商品~"
            	/>
            </view>
        </scroll-view>
    </view>
</template>

<script>
    import vipGoodsItem from '@/components/vip-goods-item/index.vue'
    import {
        lists
    } from '@/apis/interfaces/store.js'

    export default {
        components: {
            vipGoodsItem
        },
        data() {
            return {
                lists: [],
                page: 1,
                has_more: true,
            };
        },
        
        onLoad() {
            this.getList()
        },
        methods: {
            getList() {
                lists({
                    is_user:'1',
                    page: this.page
                }).then(res => {
                    this.lists = this.lists.concat(res.data)
                    this.has_more = res.page.has_more
                }).catch(err => {
                    uni.showToast({
                        title: err.message,
                        icon: "none",
                        mask: true
                    })
                })
            },
            // 触底获取更多~
            scrolltolower() {
                if (this.has_more) {
                    this.page = this.page + 1
                    this.getList()
                }else{
                    uni.showToast({
                        title:'没有更多~',
                        icon:'none'
                    })
                }
            },
            //  马上拼团
            goPin(id) {
                console.log('fule  gopin....')
                uni.navigateTo({
                    url:'/pages/store/goods?id='+id
                })
            }
        }
    }
</script>

<style lang="scss">
    .groupBook {
        width: 100%;
        min-height: 100vh;
        position: relative;
        background: $window-color;
        box-sizing: border-box;
        position: relative;

        .top {
            position: absolute;
            top: 0;
            left: 0;
            font-size: $title-size - 2;
            color: #fff;
            width: 100%;
            display: flex;
            flex-direction: row;
            align-items: center;
            justify-content: space-between;
            padding: $padding;
            box-sizing: border-box;
            background: linear-gradient(to bottom, #d81e06, rgba(255, 255, 255, 0));
            padding-bottom: 40vh;
            z-index: 1;

            .title {
                font-size: 40rpx;
                font-weight: bold;
            }
        }

        .scroll {
            height: 100vh;
            position: relative;
            padding: $padding * 4 $padding $padding $padding;
            box-sizing: border-box;
            z-index: 2;
        }
    }
</style>
