<template>
  <div class="location-stats-card">
    <div class="card-header">
      <span class="card-title">🏢 물리공간</span>
    </div>
    <div class="location-list">
      <div 
        v-for="loc in locations" 
        :key="loc.location" 
        class="location-item"
        :class="getTempClass(loc.avgTemp)"
      >
        <div class="loc-header">
          <span class="loc-name">{{ loc.location }}</span>
          <span class="loc-servers">{{ loc.serverCount }}대</span>
        </div>
        <div class="loc-stats">
          <div class="stat-temp">
            <span class="temp-value">{{ loc.avgTemp ? loc.avgTemp + '°' : '-' }}</span>
          </div>
          <div class="stat-traffic">
            <div class="traffic-row">
              <span class="traffic-label">↓</span>
              <span class="traffic-value rx">{{ formatBytes(loc.totalRx) }}</span>
            </div>
            <div class="traffic-row">
              <span class="traffic-label">↑</span>
              <span class="traffic-value tx">{{ formatBytes(loc.totalTx) }}</span>
            </div>
          </div>
        </div>
      </div>
      <div v-if="!locations || locations.length === 0" class="no-data">
        데이터 없음
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
interface LocationStat {
  location: string
  serverCount: number
  avgTemp: number | null
  totalRx: number
  totalTx: number
}

defineProps<{
  locations: LocationStat[]
}>()

function getTempClass(temp: number | null): string {
  if (temp === null) return ''
  if (temp >= 70) return 'temp-critical'
  if (temp >= 60) return 'temp-warning'
  return 'temp-normal'
}

function formatBytes(bytes: number): string {
  if (!bytes || bytes === 0) return '0B'
  if (bytes >= 1024 * 1024 * 1024) return (bytes / (1024 * 1024 * 1024)).toFixed(1) + 'G'
  if (bytes >= 1024 * 1024) return (bytes / (1024 * 1024)).toFixed(1) + 'M'
  if (bytes >= 1024) return (bytes / 1024).toFixed(0) + 'K'
  return bytes.toFixed(0) + 'B'
}
</script>

<style scoped>
.location-stats-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 10px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.card-header {
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-color);
}

.card-title { font-size: 12px; font-weight: 600; color: var(--text-primary); }

.location-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  flex: 1;
}

.location-item {
  background: var(--bg-tertiary, #f8fafc);
  border-radius: 8px;
  padding: 8px 10px;
  border-left: 3px solid #22c55e;
}

.location-item.temp-warning { border-left-color: #f59e0b; }
.location-item.temp-critical { border-left-color: #ef4444; }

.loc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.loc-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.loc-servers {
  font-size: 10px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.loc-stats {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stat-temp {
  flex-shrink: 0;
}

.temp-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: monospace;
}

.temp-warning .temp-value { color: #f59e0b; }
.temp-critical .temp-value { color: #ef4444; }

.stat-traffic {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.traffic-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.traffic-label {
  font-size: 12px;
  color: var(--text-muted);
  width: 12px;
}

.traffic-value {
  font-size: 13px;
  font-weight: 600;
  font-family: monospace;
}

.traffic-value.rx { color: #06b6d4; }
.traffic-value.tx { color: #f59e0b; }

.no-data {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  padding: 16px 0;
}
</style>
