div(class="admin-products")
  div(class="admin-products__header")
    h1(class="admin-products__title") Управление товарами
    div(class="admin-products__actions")
      button(
        @click="createProduct"
        class="admin-products__button admin-products__button--primary"
      ) Добавить товар
      button(
        @click="showImportModal = true"
        class="admin-products__button admin-products__button--secondary"
      ) Импорт из CSV
      button(
        @click="showCategoriesManager"
        class="admin-products__button admin-products__button--secondary"
      ) Управление категориями
      button(
        v-if="selectedProducts.length > 0"
        @click="showMassActionsModal = true"
        class="admin-products__button admin-products__button--warning"
      ) Массовые действия ({{ selectedProducts.length }})

  div(class="admin-products__filters")
    div(class="admin-products__search")
      input(
        type="text"
        v-model="searchQuery"
        placeholder="Поиск по названию или артикулу..."
        class="admin-products__search-input"
      )
    div(class="admin-products__filter-group")
      select(v-model="selectedCategory" class="admin-products__select")
        option(value="") Все категории
        option(
          v-for="category in categories"
          :value="category._id"
        ) {{ category.name }} ({{ getCategoryProductCount(category._id) }})
      select(v-model="selectedStatus" class="admin-products__select")
        option(value="") Все статусы
        option(value="active") Активные
        option(value="inactive") Неактивные

  div(class="admin-products__content")
    div(class="admin-products__table-container")
      table(class="admin-products__table")
        thead
          tr
            th(class="admin-products__th admin-products__th--checkbox")
              input(
                type="checkbox"
                v-model="selectAll"
                @change="toggleSelectAll"
                class="admin-products__checkbox"
              )
            th(class="admin-products__th") Артикул
            th(class="admin-products__th") Название
            th(class="admin-products__th") Категория
            th(class="admin-products__th") Цена
            th(class="admin-products__th") Статус
            th(class="admin-products__th") Действия
        tbody
          tr(
            v-for="product in filteredProducts"
            :key="product._id"
            :class="['admin-products__tr', { 'admin-products__tr--inactive': !product.active }]"
          )
            td(class="admin-products__td admin-products__td--checkbox")
              input(
                type="checkbox"
                :checked="isProductSelected(product._id)"
                @change="toggleProductSelection(product._id)"
                class="admin-products__checkbox"
              )
            td(class="admin-products__td admin-products__td--sku") {{ product.sku }}
            td(class="admin-products__td admin-products__td--name") {{ product.name }}
            td(class="admin-products__td") {{ getCategoryName(product.category) }}
            td(class="admin-products__td admin-products__td--price")
              span(v-if="product.oldPrice" class="admin-products__old-price") {{ product.oldPrice }} ₽
              span(class="admin-products__current-price") {{ product.price }} ₽
            td(class="admin-products__td")
              span(
                :class="['admin-products__status', product.active ? 'admin-products__status--active' : 'admin-products__status--inactive']"
              ) {{ product.active ? 'Активен' : 'Неактивен' }}
            td(class="admin-products__td admin-products__td--actions")
              button(
                @click="editProduct(product)"
                class="admin-products__action-button admin-products__action-button--edit"
              ) Редактировать
              button(
                @click="toggleProductStatus(product)"
                :class="['admin-products__action-button', product.active ? 'admin-products__action-button--deactivate' : 'admin-products__action-button--activate']"
              ) {{ product.active ? 'Деактивировать' : 'Активировать' }}

    div(v-if="filteredProducts.length === 0" class="admin-products__empty")
      p(class="admin-products__empty-text") Товары не найдены

  //- Модальное окно редактирования/создания товара
  div(
    v-if="showProductModal"
    class="admin-products__modal"
  )
    div(class="admin-products__modal-content admin-products__modal-content--large")
      div(class="admin-products__modal-header")
        h2(class="admin-products__modal-title") {{ isEditing ? 'Редактирование товара' : 'Создание товара' }}
        button(
          @click="showProductModal = false"
          class="admin-products__modal-close"
        ) ×
      
      div(class="admin-products__modal-body")
        div(class="admin-products__form")
          div(class="admin-products__form-row")
            div(class="admin-products__form-group")
              label(class="admin-products__label") Название товара *
              input(
                type="text"
                v-model="productForm.name"
                class="admin-products__input"
                placeholder="Введите название товара"
              )
            div(class="admin-products__form-group")
              label(class="admin-products__label") Артикул *
              input(
                type="text"
                v-model="productForm.sku"
                class="admin-products__input"
                placeholder="Введите артикул"
              )
          
          div(class="admin-products__form-row")
            div(class="admin-products__form-group")
              label(class="admin-products__label") Категория
              select(v-model="productForm.category" class="admin-products__select")
                option(value="") Без категории
                option(
                  v-for="category in categories"
                  :value="category._id"
                ) {{ category.name }}
            div(class="admin-products__form-group")
              label(class="admin-products__label") Бренд
              input(
                type="text"
                v-model="productForm.brand"
                class="admin-products__input"
                placeholder="Введите бренд"
              )
          
          div(class="admin-products__form-row")
            div(class="admin-products__form-group")
              label(class="admin-products__label") Цена *
              input(
                type="number"
                v-model="productForm.price"
                class="admin-products__input"
                placeholder="0.00"
                step="0.01"
                min="0"
              )
            div(class="admin-products__form-group")
              label(class="admin-products__label") Старая цена
              input(
                type="number"
                v-model="productForm.oldPrice"
                class="admin-products__input"
                placeholder="0.00"
                step="0.01"
                min="0"
              )
          
          div(class="admin-products__form-group")
            label(class="admin-products__label") Описание
            textarea(
              v-model="productForm.description"
              class="admin-products__textarea"
              placeholder="Введите описание товара"
              rows="4"
            )
          
          //- Управление атрибутами
          div(class="admin-products__form-group")
            label(class="admin-products__label") Атрибуты
            div(class="admin-products__attributes")
              div(
                v-for="attr in attributesList"
                :key="attr.key"
                class="admin-products__attribute"
              )
                div(class="admin-products__attribute-key") {{ attr.key }}
                input(
                  type="text"
                  :value="attr.value"
                  @input="updateAttribute(attr.key, $event.target.value)"
                  class="admin-products__input admin-products__input--small"
                  placeholder="Значение"
                )
                button(
                  @click="removeAttribute(attr.key)"
                  class="admin-products__attribute-remove"
                ) ×
            
            div(class="admin-products__attribute-add")
              input(
                type="text"
                v-model="newAttributeKey"
                class="admin-products__input admin-products__input--small"
                placeholder="Название атрибута"
                @keyup.enter="addAttribute"
              )
              input(
                type="text"
                v-model="newAttributeValue"
                class="admin-products__input admin-products__input--small"
                placeholder="Значение"
                @keyup.enter="addAttribute"
              )
              button(
                @click="addAttribute"
                class="admin-products__button admin-products__button--secondary"
              ) Добавить
          
          //- Управление тегами
          div(class="admin-products__form-group")
            label(class="admin-products__label") Теги
            div(class="admin-products__tags")
              span(
                v-for="(tag, index) in productForm.tags"
                :key="index"
                class="admin-products__tag"
              )
                | {{ tag }}
                button(
                  @click="removeTag(index)"
                  class="admin-products__tag-remove"
                ) ×
            
            div(class="admin-products__tag-add")
              input(
                type="text"
                v-model="newTag"
                class="admin-products__input admin-products__input--small"
                placeholder="Новый тег"
                @keyup.enter="addTag"
              )
              button(
                @click="addTag"
                class="admin-products__button admin-products__button--secondary"
              ) Добавить
          
          //- Загрузка основного изображения
          div(class="admin-products__form-group")
            label(class="admin-products__label") Основное изображение
            div(class="admin-products__image-upload")
              div(v-if="productForm.image" class="admin-products__image-preview")
                img(:src="productForm.image" class="admin-products__preview-img")
                div(class="admin-products__image-info") Основное изображение
              div(class="admin-products__upload-controls")
                input(
                  type="text"
                  v-model="newImageUrl"
                  class="admin-products__input"
                  placeholder="Введите URL изображения"
                )
                button(
                  @click="uploadMainImage"
                  :disabled="uploadingImages || !newImageUrl"
                  class="admin-products__button admin-products__button--secondary"
                ) {{ uploadingImages ? 'Загрузка...' : 'Загрузить' }}
          
          //- Загрузка дополнительных изображений
          div(class="admin-products__form-group")
            label(class="admin-products__label") Дополнительные изображения
            div(class="admin-products__additional-images")
              div(
                v-for="(image, index) in productForm.additionalImages"
                :key="index"
                class="admin-products__additional-image"
              )
                img(:src="image" class="admin-products__preview-img")
                button(
                  @click="removeAdditionalImage(index)"
                  class="admin-products__image-remove"
                ) ×
            
            div(class="admin-products__upload-controls")
              input(
                type="text"
                v-model="newAdditionalImageUrl"
                class="admin-products__input"
                placeholder="Введите URL дополнительного изображения"
              )
              button(
                @click="uploadAdditionalImage"
                :disabled="uploadingImages || !newAdditionalImageUrl"
                class="admin-products__button admin-products__button--secondary"
              ) {{ uploadingImages ? 'Загрузка...' : 'Добавить' }}
          
          div(class="admin-products__form-row")
            div(class="admin-products__form-group")
              label(class="admin-products__label admin-products__label--checkbox")
                input(
                  type="checkbox"
                  v-model="productForm.active"
                  class="admin-products__checkbox"
                )
                span Активный товар
      
      div(class="admin-products__modal-footer")
        button(
          @click="saveProduct"
          :disabled="!productForm.name || !productForm.sku || !productForm.price"
          class="admin-products__button admin-products__button--primary"
        ) {{ isEditing ? 'Обновить' : 'Создать' }}
        button(
          @click="showProductModal = false"
          class="admin-products__button admin-products__button--secondary"
        ) Отмена

  //- Модальное окно управления категориями
  div(
    v-if="showCategoriesModal"
    class="admin-products__modal"
  )
    div(class="admin-products__modal-content admin-products__modal-content--large")
      div(class="admin-products__modal-header")
        h2(class="admin-products__modal-title") Управление категориями
        button(
          @click="showCategoriesModal = false"
          class="admin-products__modal-close"
        ) ×
      
      div(class="admin-products__modal-body")
        div(class="admin-products__categories-header")
          button(
            @click="createCategory"
            class="admin-products__button admin-products__button--primary"
          ) Создать категорию
        
        div(class="admin-products__categories-list")
          div(
            v-for="category in categories"
            :key="category._id"
            class="admin-products__category-item"
          )
            div(class="admin-products__category-info")
              div(class="admin-products__category-name") {{ category.name }}
              div(class="admin-products__category-meta")
                span Товаров: {{ getCategoryProductCount(category._id) }}
                span(v-if="category.slug") Slug: {{ category.slug }}
            div(class="admin-products__category-actions")
              button(
                @click="editCategory(category)"
                class="admin-products__action-button admin-products__action-button--edit"
              ) Редактировать
              button(
                @click="deleteCategory(category)"
                class="admin-products__action-button admin-products__action-button--danger"
              ) Удалить

  //- Модальное окно редактирования/создания категории
  div(
    v-if="showCategoryModal"
    class="admin-products__modal"
  )
    div(class="admin-products__modal-content")
      div(class="admin-products__modal-header")
        h2(class="admin-products__modal-title") {{ editingCategory ? 'Редактирование категории' : 'Создание категории' }}
        button(
          @click="showCategoryModal = false"
          class="admin-products__modal-close"
        ) ×
      
      div(class="admin-products__modal-body")
        div(class="admin-products__form")
          div(class="admin-products__form-group")
            label(class="admin-products__label") Название категории *
            input(
              type="text"
              v-model="categoryForm.name"
              class="admin-products__input"
              placeholder="Введите название категории"
            )
          
          div(class="admin-products__form-group")
            label(class="admin-products__label") Slug
            input(
              type="text"
              v-model="categoryForm.slug"
              class="admin-products__input"
              placeholder="Автоматически сгенерируется из названия"
            )
          
          div(class="admin-products__form-group")
            label(class="admin-products__label") Описание
            textarea(
              v-model="categoryForm.description"
              class="admin-products__textarea"
              placeholder="Введите описание категории"
              rows="3"
            )
          
          div(class="admin-products__form-row")
            div(class="admin-products__form-group")
              label(class="admin-products__label") Родительская категория
              select(v-model="categoryForm.parentCategory" class="admin-products__select")
                option(value="") Нет
                option(
                  v-for="category in categories"
                  :value="category._id"
                  v-if="category._id != editingCategory?._id"
                ) {{ category.name }}
            
            div(class="admin-products__form-group")
              label(class="admin-products__label") Порядок сортировки
              input(
                type="number"
                v-model="categoryForm.sortOrder"
                class="admin-products__input"
                placeholder="0"
              )
          
          div(class="admin-products__form-group")
            label(class="admin-products__label admin-products__label--checkbox")
              input(
                type="checkbox"
                v-model="categoryForm.active"
                class="admin-products__checkbox"
              )
              span Активная категория
      
      div(class="admin-products__modal-footer")
        button(
          @click="saveCategory"
          :disabled="!categoryForm.name"
          class="admin-products__button admin-products__button--primary"
        ) {{ editingCategory ? 'Обновить' : 'Создать' }}
        button(
          @click="showCategoryModal = false"
          class="admin-products__button admin-products__button--secondary"
        ) Отмена

  //- Модальное окно импорта
  div(
    v-if="showImportModal"
    class="admin-products__modal"
  )
    div(class="admin-products__modal-content")
      div(class="admin-products__modal-header")
        h2(class="admin-products__modal-title") Импорт товаров из CSV
        button(
          @click="showImportModal = false"
          class="admin-products__modal-close"
        ) ×
      
      div(class="admin-products__modal-body")
        div(v-if="importing" class="admin-products__import-progress")
          div(class="admin-products__progress-bar")
            div(
              :style="{ width: importProgress + '%' }"
              class="admin-products__progress-fill"
            )
          p(class="admin-products__progress-text") Обработано: {{ processedCount }} из {{ totalCount }} ({{ importProgress }}%)
        
        div(v-else class="admin-products__import-form")
          input(
            type="file"
            @change="onFileSelect"
            accept=".csv"
            class="admin-products__file-input"
          )
          p(class="admin-products__help-text") Поддерживается формат CSV с разделителем ";" и кодировкой UTF-8
        
        div(v-if="importResults" class="admin-products__import-results")
          div(
            v-if="importResults.success"
            class="admin-products__result admin-products__result--success"
          )
            h3 Успешно импортировано!
            p Обработано товаров: {{ importResults.processed }} из {{ importResults.total }}
            ul(v-if="importResults.errors.length > 0")
              li(v-for="error in importResults.errors") {{ error }}
          div(
            v-else
            class="admin-products__result admin-products__result--error"
          )
            h3 Ошибка импорта!
            p {{ importResults.error }}
      
      div(class="admin-products__modal-footer")
        button(
          @click="importProducts"
          :disabled="!selectedFile || importing"
          class="admin-products__button admin-products__button--primary"
        ) {{ importing ? 'Импорт...' : 'Начать импорт' }}
        button(
          @click="showImportModal = false"
          class="admin-products__button admin-products__button--secondary"
        ) Отмена

  //- Модальное окно массовых действий
  div(
    v-if="showMassActionsModal"
    class="admin-products__modal"
  )
    div(class="admin-products__modal-content")
      div(class="admin-products__modal-header")
        h2(class="admin-products__modal-title") Массовые действия ({{ selectedProducts.length }} товаров)
        button(
          @click="showMassActionsModal = false"
          class="admin-products__modal-close"
        ) ×
      
      div(class="admin-products__modal-body")
        div(class="admin-products__mass-actions")
          button(
            @click="activateSelected"
            class="admin-products__button admin-products__button--success"
          ) Активировать
          button(
            @click="deactivateSelected"
            class="admin-products__button admin-products__button--warning"
          ) Деактивировать
          button(
            @click="deleteSelected"
            class="admin-products__button admin-products__button--danger"
          ) Удалить
      
      div(class="admin-products__modal-footer")
        button(
          @click="showMassActionsModal = false"
          class="admin-products__button admin-products__button--secondary"
        ) Закрыть