
<template>
  <view class="carousel">
    <swiper
      :circular="true"
      :autoplay="true"
      :interval="3000"
      @change="onChange"
    >
      <swiper-item v-for="item in list" :key="item.id">
        <navigator :url="item.herfUrl" hover-class="none" class="navigator">
          <image mode="aspectFill" class="image" :src="item.imgUrl"></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 指示点 -->
    <view class="indicator">
      <text
        v-for="(item, index) in list"
        :key="item.id"
        class="dot"
        :class="{ active: index === activeIndex }"
      ></text>
    </view>
  </view>
</template>

<script setup lang="ts">
import type { BannerItem } from '@/types/home';

const activeIndex = ref(0)
const onChange: UniHelper.SwiperOnChange = (ev) => {
  activeIndex.value = ev.detail.current
}
const props = defineProps<{
  list: BannerItem[],
}>()
</script>
<style lang="scss">
:host {
  display: block;
  height: 280rpx;
}

/* 轮播图 */
.carousel {
  // height: 100%;
  position: relative;
  overflow: hidden;
  transform: translateY(0);
  background-color: #efefef;

  .indicator {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 16rpx;
    display: flex;
    justify-content: center;

    .dot {
      width: 30rpx;
      height: 6rpx;
      margin: 0 8rpx;
      border-radius: 6rpx;
      background-color: rgba(255, 255, 255, 0.4);
    }

    .active {
      background-color: #fff;
    }
  }

  .navigator,
  .image {
    width: 100%;
    height: 100%;
  }
}
</style>
