<template>
  <view
    class="podium-card"
    :class="['podium-' + rank]"
    @click="handleClick"
  >
    <!-- 相框（最底层） -->
    <image class="podium-frame" :src="`/static/square/galaxy/LV${rank - 3}.png`" mode="aspectFit" />

    <!-- 藏品主图（不规则圆角） -->
    <view class="cover-wrap">
      <image
        class="cover-image"
        :src="item.cover_url || item.cover_image || ''"
        mode="aspectFill"
      />
    </view>

    <!-- TOP N 标签（cover 下方居中） -->
    <view class="top-label" :style="labelStyle">TOP {{ rank - 3 }}</view>
  </view>
</template>

<script setup>
const props = defineProps({
  item: { type: Object, required: true },
  rank: { type: Number, required: true, validator: (v) => v >= 4 && v <= 6 },
});

const emit = defineEmits(["cardClick"]);

// 不同 rank 的标签渐变
const labelGradients = {
  4: "radial-gradient(ellipse, #FFD700, #FFF6A8 30%, #DAA520 100%)", // 金
  5: "radial-gradient(ellipse, #C0C0C0, #E8E8E8 50%, #7A7A7A)", // 银
  6: "radial-gradient(ellipse, #CD7F32, #E8A45C 50%, #A0522D)", // 铜
};

const labelSizes = {
  4: { w: 96, h: 22, font: 13 },
  5: { w: 78, h: 18, font: 11 },
  6: { w: 78, h: 18, font: 11 },
};

const labelStyle = {
  width: labelSizes[props.rank].w + "rpx",
  height: labelSizes[props.rank].h + "rpx",
  fontSize: labelSizes[props.rank].font + "rpx",
  background: labelGradients[props.rank],
};

function handleClick() {
  emit("cardClick", props.item);
}
</script>

<style scoped>
.podium-card {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* TOP 1: 中央大卡（最大） */
.podium-4 {
  top: 400rpx;
  left: 50%;
  transform: translateX(-50%);
  width: 240rpx;
  height: 260rpx;
}

/* TOP 2: 左上 */
.podium-5 {
  top: 120rpx;
  left: 60rpx;
  width: 200rpx;
  height: 200rpx;
}

/* TOP 3: 右上 */
.podium-6 {
  top: 150rpx;
  right: 60rpx;
  width: 192rpx;
  height: 192rpx;
}

.podium-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.cover-wrap {
  position: absolute;
  inset: 10rpx;
  overflow: hidden;
  z-index: 2;
}

.cover-image {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

.top-label {
  position: absolute;
  bottom: -4rpx;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 11rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 1rpx 3rpx rgba(0, 0, 0, 0.5);
  box-shadow: 0 6rpx 16rpx rgba(255, 140, 0, 0.5);
  z-index: 7;
  letter-spacing: 1rpx;
}
</style>
