<template>
  <div class="page-container">
    <div class="page-header">
      <h1 class="page-title">{{ $t('our-products') }}</h1>
      <app-breadcrumb class="breadcrumb" :items="breadcrumbItems" />
    </div>
    <div v-if="!pending" class="page-content">
      <div class="products-container">
        <el-collapse v-model="activeNames" class="product-collapse">
          <el-collapse-item
            v-for="[key, value] in Object.entries(groupedProducts)"
            :key="key"
            :title="key || '未分类'"
            :name="key || 'no-category'"
          >
            <div class="group-list">
              <product-card
                v-for="product in value.data"
                :key="product.id"
                :slug="product.id.toString()"
                :image-url="getImageUrl(product.cover.toString())"
                :name="product.name"
                :description="product.summary || ''"
              />
            </div>
          </el-collapse-item>
        </el-collapse>
      </div>
    </div>
    <div v-else>
      <el-skeleton :rows="6" animated />
    </div>
  </div>
</template>

<script setup lang="ts">
  const localePath = useLocalePath();
  const { getImageUrl } = useDirectusImage();

  const { data: products, pending, error } = await useProductList();

  const activeNames = ref<string[]>([]);

  const breadcrumbItems = [
    { label: $t('navigation.home'), to: localePath('/') },
    { label: $t('navigation.products') },
  ];

  // 按类型分组
  const groupedProducts = computed(() => {
    const groups: Record<string, { data: ProductListView[]; sort: number }> =
      {};
    for (const prod of products.value) {
      const typeKey = prod.product_type?.name ?? '';
      if (!groups[typeKey]) {
        groups[typeKey] = { data: [], sort: prod.product_type?.sort ?? 999 };
      }
      groups[typeKey]?.data.push(prod);
    }
    const sortedGroups = Object.fromEntries(
      Object.entries(groups).sort(([, a], [, b]) => a.sort - b.sort)
    );
    return sortedGroups;
  });

  watch(groupedProducts, () => {
    if (groupedProducts.value) {
      activeNames.value = [
        ...Object.keys(groupedProducts.value),
        'no-category',
      ];
    }
  });

  watch(error, (value) => {
    if (value) {
      logger.error('数据获取失败: ', value);
    }
  });

  onMounted(async () => {
    if (groupedProducts.value) {
      activeNames.value = [
        ...Object.keys(groupedProducts.value),
        'no-category',
      ];
    }
  });

  const pageTitle = $t('page-title.products');
  usePageSeo({
    title: pageTitle,
  });
</script>

<style scoped>
  .page-container {
    padding: 2rem;
    margin: 0 auto;
    max-width: 1200px;
  }

  .page-header {
    display: flex;
  }

  .page-title {
    font-size: 2rem;
    font-weight: bold;
    color: var(--el-color-primary);
    margin-bottom: 1rem;
  }

  .breadcrumb {
    margin-left: auto;
  }

  .products-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
  }

  .product-group {
    margin-bottom: 32px;
  }

  .group-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 16px;
    color: var(--el-color-primary);
  }

  .group-list {
    display: flex;
    flex-wrap: wrap;
    padding-top: 1rem;
    gap: 20px;
    justify-content: flex-start;
  }

  :deep(.el-collapse-item__header) {
    padding: 30px auto;
    font-size: 1.5rem;
  }
</style>
