<template>
  <view class="banner-carousel" @click.stop>
    <swiper
      class="banner-swiper"
      :autoplay="true"
      :interval="4000"
      :duration="400"
      :circular="true"
      :indicator-dots="false"
      @change="onSwiperChange"
    >
      <swiper-item @click.stop="$emit('top3Click')" style="display: flex;
    align-items: center;">
        <BannerTop3 @dataLoaded="onTop3DataLoaded" @top3Click="$emit('top3Click')" />
      </swiper-item>
      <swiper-item
        v-for="item in bannerActivities"
        :key="item.id"
        @tap.stop="$emit('activityClick', item)"
      >
        <image
          class="banner-activity-img"
          :src="item.cover_image || '/static/avatar/1.jpeg'"
          mode="aspectFill"
        />
      </swiper-item>
    </swiper>
  </view>
</template>

<script setup>
import { ref } from 'vue'
import BannerTop3 from '../../components/BannerTop3.vue'

defineProps({
  bannerActivities: { type: Array, default: () => [] }
})
defineEmits(['activityClick', 'top3Click'])

const currentIndex = ref(0)

const onSwiperChange = (e) => {
  currentIndex.value = e.detail.current
}

const onTop3DataLoaded = (items) => {
  // 数据已由 BannerTop3 内部处理，这里可以做一些额外操作
  console.log('[BannerCarousel] top3 data loaded', items)
}
</script>

<style scoped>
.banner-carousel {
  position: relative;
  width: 100%;
  z-index: 100;
  padding: 0 16rpx;
  box-sizing: border-box;
}

.banner-swiper {
  width: 100%;
  height: 392rpx;
  border-radius: 24rpx;
  position: relative;
  bottom: 24rpx;
}

.banner-activity-img {
  width: 100%;
  height: 328rpx;
  display: block;
  border-radius:24rpx;
  position: relative;
  top: 32rpx;
}
</style>
