<template>
  <div class="card p-4 md:p-6">
    <h3
      class="mb-3 flex flex-col text-lg font-bold text-gray-900 dark:text-gray-100 sm:flex-row sm:items-center md:mb-4 md:text-xl"
    >
      <span class="flex items-center">
        <i class="fas fa-coins mr-2 text-sm text-yellow-500 md:mr-3 md:text-base" />
        Token 使用分布
      </span>
      <span class="text-xs font-normal text-gray-600 dark:text-gray-400 sm:ml-2 md:text-sm"
        >({{ statsPeriod === 'daily' ? '今日' : '本月' }})</span
      >
    </h3>
    <div class="space-y-2 md:space-y-3">
      <div class="flex items-center justify-between">
        <span class="flex items-center text-sm text-gray-600 dark:text-gray-400 md:text-base">
          <i class="fas fa-arrow-right mr-1 text-xs text-green-500 md:mr-2 md:text-sm" />
          输入 Token
        </span>
        <span class="text-sm font-medium text-gray-900 dark:text-gray-100 md:text-base">{{
          formatNumber(currentPeriodData.inputTokens)
        }}</span>
      </div>
      <div class="flex items-center justify-between">
        <span class="flex items-center text-sm text-gray-600 dark:text-gray-400 md:text-base">
          <i class="fas fa-arrow-left mr-1 text-xs text-blue-500 md:mr-2 md:text-sm" />
          输出 Token
        </span>
        <span class="text-sm font-medium text-gray-900 dark:text-gray-100 md:text-base">{{
          formatNumber(currentPeriodData.outputTokens)
        }}</span>
      </div>
      <div class="flex items-center justify-between">
        <span class="flex items-center text-sm text-gray-600 dark:text-gray-400 md:text-base">
          <i class="fas fa-save mr-1 text-xs text-purple-500 md:mr-2 md:text-sm" />
          缓存创建 Token
        </span>
        <span class="text-sm font-medium text-gray-900 dark:text-gray-100 md:text-base">{{
          formatNumber(currentPeriodData.cacheCreateTokens)
        }}</span>
      </div>
      <div class="flex items-center justify-between">
        <span class="flex items-center text-sm text-gray-600 dark:text-gray-400 md:text-base">
          <i class="fas fa-download mr-1 text-xs text-orange-500 md:mr-2 md:text-sm" />
          缓存读取 Token
        </span>
        <span class="text-sm font-medium text-gray-900 dark:text-gray-100 md:text-base">{{
          formatNumber(currentPeriodData.cacheReadTokens)
        }}</span>
      </div>
    </div>
    <div class="mt-3 border-t border-gray-200 pt-3 dark:border-gray-700 md:mt-4 md:pt-4">
      <div class="flex items-center justify-between font-bold text-gray-900 dark:text-gray-100">
        <span class="text-sm md:text-base"
          >{{ statsPeriod === 'daily' ? '今日' : '本月' }}总计</span
        >
        <span class="text-lg md:text-xl">{{ formatNumber(currentPeriodData.allTokens) }}</span>
      </div>
    </div>
  </div>
</template>

<script setup>
import { storeToRefs } from 'pinia'
import { useApiStatsStore } from '@/stores/apistats'

const apiStatsStore = useApiStatsStore()
const { statsPeriod, currentPeriodData } = storeToRefs(apiStatsStore)

// 格式化数字
const formatNumber = (num) => {
  if (typeof num !== 'number') {
    num = parseInt(num) || 0
  }

  if (num === 0) return '0'

  // 大数字使用简化格式
  if (num >= 1000000) {
    return (num / 1000000).toFixed(1) + 'M'
  } else if (num >= 1000) {
    return (num / 1000).toFixed(1) + 'K'
  } else {
    return num.toLocaleString()
  }
}
</script>

<style scoped>
/* 卡片样式 - 使用CSS变量 */
.card {
  background: var(--surface-color);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow:
    0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow:
    0 20px 25px -5px rgba(0, 0, 0, 0.15),
    0 10px 10px -5px rgba(0, 0, 0, 0.08);
}

:global(.dark) .card:hover {
  box-shadow:
    0 20px 25px -5px rgba(0, 0, 0, 0.5),
    0 10px 10px -5px rgba(0, 0, 0, 0.35);
}
</style>
