<template>
  <view class="recent-upgrades">
    <text class="card-title">最近升级</text>
    <view v-if="!items || items.length === 0" class="empty-row">
      <text class="empty-text">暂无数据</text>
    </view>
    <view v-else class="upgrades-list">
      <view
        v-for="item in items"
        :key="item.asset_id"
        class="upgrade-row"
      >
        <view class="upgrade-thumb">
          <view class="thumb-circle" :style="{ background: 'linear-gradient(135deg, #B17BFF 0%, #FF8FE6 100%)' }">
            <text class="thumb-letter">{{ item.asset_name[0] }}</text>
          </view>
        </view>
        <view class="upgrade-info">
          <text class="upgrade-name">{{ item.asset_name }}</text>
          <text class="upgrade-time">{{ formatTime(item.upgrade_time) }}</text>
        </view>
        <view class="level-badge" :class="`level-${item.new_level}`">
          <text class="level-letter">{{ item.new_level }}</text>
          <text class="lv-up">Lv UP</text>
        </view>
      </view>
    </view>
  </view>
</template>

<script setup>
defineProps({
  items: { type: Array, default: () => [] }, // RecentLevelUpItem[]
})

function formatTime(ts) {
  const now = Date.now()
  const diff = now - ts
  if (diff < 60 * 60 * 1000) return `${Math.floor(diff / 60000)} 分钟前`
  if (diff < 24 * 60 * 60 * 1000) return `${Math.floor(diff / 3600000)} 小时前`
  return `${Math.floor(diff / 86400000)} 天前`
}
</script>

<style lang="scss" scoped>
.recent-upgrades {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 17rpx;
  padding: 20rpx;
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.15);
}

.card-title {
  display: block;
  font-size: 28rpx;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 16rpx;
}

.upgrades-list {
  display: flex;
  flex-direction: column;
  gap: 12rpx;
}

.upgrade-row {
  display: flex;
  align-items: center;
  gap: 12rpx;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12rpx;
  padding: 10rpx;
}

.upgrade-thumb {
  width: 56rpx;
  height: 56rpx;
  flex-shrink: 0;
}

.thumb-circle {
  width: 100%;
  height: 100%;
  border-radius: 12rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
}

.thumb-letter {
  font-size: 22rpx;
  font-weight: 700;
  color: #ffffff;
}

.upgrade-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4rpx;
  min-width: 0;
}

.upgrade-name {
  font-size: 22rpx;
  color: #ffffff;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.upgrade-time {
  font-size: 18rpx;
  color: rgba(255, 255, 255, 0.6);
}

.level-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 6rpx 12rpx;
  border-radius: 8rpx;
  flex-shrink: 0;
}

.level-UR { background: linear-gradient(135deg, #FF8A65 0%, #FFD740 100%); }
.level-SSR { background: linear-gradient(135deg, #FF5E9C 0%, #FFB199 100%); }
.level-SR { background: linear-gradient(135deg, #B17BFF 0%, #FF8FE6 100%); }
.level-R { background: linear-gradient(135deg, #5EDFFF 0%, #6FA9FF 100%); }
.level-N { background: linear-gradient(135deg, #C5C5C5 0%, #8C8C8C 100%); }

.level-letter {
  font-size: 20rpx;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.3);
}

.lv-up {
  font-size: 14rpx;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

.empty-row {
  height: 120rpx;
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-text {
  color: rgba(255, 255, 255, 0.5);
  font-size: 24rpx;
}
</style>
