<template>
  <div class="stats-cards">
    <div
      v-for="card in statsCards"
      :key="card.id"
      class="stat-card"
      :class="card.colorClass"
    >
      <div class="stat-icon">
        <q-icon :name="card.icon" size="28px" />
      </div>
      <div class="stat-content">
        <div class="stat-value">
          <template v-if="isLoading">
            <q-skeleton type="text" width="60px" />
          </template>
          <template v-else>
            {{ card.value }}
          </template>
        </div>
        <div class="stat-label">{{ card.label }}</div>
      </div>
      <div class="stat-trend" v-if="card.trend">
        <q-icon
          :name="card.trend > 0 ? 'trending_up' : 'trending_down'"
          :color="card.trend > 0 ? 'positive' : 'negative'"
        />
        <span :class="card.trend > 0 ? 'text-positive' : 'text-negative'">
          {{ Math.abs(card.trend) }}%
        </span>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { computed } from 'vue';

interface Stats {
  totalPosters: number;
  postersThisMonth: number;
  aiGenerations: number;
  favoriteTemplates: number;
}

const props = defineProps<{
  stats: Stats;
  isLoading: boolean;
}>();

const statsCards = computed(() => [
  {
    id: 'total',
    icon: 'image',
    label: 'Locandine Totali',
    value: props.stats.totalPosters,
    colorClass: 'card-primary',
    trend: null
  },
  {
    id: 'month',
    icon: 'calendar_month',
    label: 'Questo Mese',
    value: props.stats.postersThisMonth,
    colorClass: 'card-success',
    trend: 15
  },
  {
    id: 'ai',
    icon: 'auto_awesome',
    label: 'Generazioni AI',
    value: props.stats.aiGenerations,
    colorClass: 'card-warning',
    trend: null
  },
  {
    id: 'templates',
    icon: 'dashboard',
    label: 'Template Usati',
    value: props.stats.favoriteTemplates,
    colorClass: 'card-info',
    trend: null
  }
]);
</script>

<style lang="scss" scoped>
.stats-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: -3rem;
  position: relative;
  z-index: 10;

  @media (max-width: 1100px) {
    grid-template-columns: repeat(2, 1fr);
  }

  @media (max-width: 600px) {
    grid-template-columns: 1fr;
    margin-top: -2rem;
  }
}

.stat-card {
  background: white;
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;

  &:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  }

  &::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
  }

  &.card-primary::before { background: #667eea; }
  &.card-success::before { background: #4caf50; }
  &.card-warning::before { background: #ff9800; }
  &.card-info::before { background: #2196f3; }
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;

  .card-primary & {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
  }

  .card-success & {
    background: rgba(76, 175, 80, 0.1);
    color: #4caf50;
  }

  .card-warning & {
    background: rgba(255, 152, 0, 0.1);
    color: #ff9800;
  }

  .card-info & {
    background: rgba(33, 150, 243, 0.1);
    color: #2196f3;
  }
}

.stat-content {
  flex: 1;
  min-width: 0;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: #333;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  color: #888;
  margin-top: 0.25rem;
}

.stat-trend {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  position: absolute;
  top: 1rem;
  right: 1rem;
}

// Dark mode
.body--dark {
  .stat-card {
    background: #1e1e1e;
  }

  .stat-value {
    color: #fff;
  }
}
</style>
