import { apiFetch } from './client';
import { API_ENDPOINTS } from './config';

export interface BrandResponse {
  brand_id: string;
  name: string;
  slug: string;
  logo_url: string | null;
  is_active: boolean;
  device_types?: string[];
  created_at: string;
}

export interface CategoryResponse {
  category_id: string;
  parent_category_id: string | null;
  name: string;
  slug: string;
  description: string | null;
  image_url: string | null;
  sort_order: string;
  is_parent_feature?: boolean;
  is_active: boolean;
  created_at: string;
}

export interface PartResponse {
  part_id: string;
  sku: string;
  name: string;
  cost_price: number;
  low_stock_alert: number;
  supplier: string | null;
  barcode: string | null;
  is_active: boolean;
  stock: number;
}

export interface DeviceSeriesResponse {
  series_id: string;
  brand_id: string;
  name: string;
  slug: string;
  device_type?: string | null;
  sort_order: number;
  is_active: boolean;
}

export interface DeviceModelResponse {
  model_id: string;
  series_id: string;
  brand_id: string;
  name: string;
  slug: string;
  device_type?: string | null;
  full_path: string;
  release_year: number | null;
  image_url: string | null;
  is_active: boolean;
}

export interface ServiceTypeResponse {
  service_type_id: string;
  name: string;
  slug: string;
  icon_url: string | null;
  description: string | null;
  is_active: boolean;
}

export interface RepairServiceResponse {
  repair_service_id: string;
  model_id: string;
  service_type_id: string;
  slug: string;
  full_path: string;
  description: string | null;
}

export interface RepairVariantPartResponse {
  id: string;
  variant_id: string;
  part_id: string;
  quantity: number;
}

export interface RepairVariantResponse {
  variant_id: string;
  repair_service_id: string;
  name: string;
  price: number;
  cost: number;
  duration_minutes: number;
  warranty_days: number;
  status: string;
  created_at: string;
  bom_parts?: RepairVariantPartResponse[];
}

export interface StockMovementResponse {
  movement_id: string;
  entity_type: string;
  entity_id: string;
  movement_type: string;
  quantity: number;
  reference_type: string;
  reference_id: string;
  created_at: string;
}

export interface PurchaseOrderItemResponse {
  id: string;
  part_id: string;
  quantity_ordered: number;
  quantity_received: number;
  unit_price: number;
}

export interface PurchaseOrderResponse {
  purchase_order_id: string;
  po_number: string;
  supplier_name: string;
  status: string;
  total_amount: number;
  created_at: string;
  items: PurchaseOrderItemResponse[];
}

export interface AttributeTypeResponse {
  attribute_id: string;
  name: string;
  code: string;
  status: string;
  preset_values?: string[];
  created_at?: string;
}

export const catalogService = {
  // Brands
  async getBrands(): Promise<BrandResponse[]> {
    return apiFetch<BrandResponse[]>(API_ENDPOINTS.CATALOG_BRANDS_ALL, { skipAuth: true });
  },
  async createBrand(data: { name: string; logo_url?: string; device_types?: string[] }): Promise<BrandResponse> {
    return apiFetch<BrandResponse>(API_ENDPOINTS.CATALOG_BRANDS_CREATE, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },

  // Categories
  async getCategories(): Promise<CategoryResponse[]> {
    return apiFetch<CategoryResponse[]>(API_ENDPOINTS.CATALOG_CATEGORIES_ALL, { skipAuth: true });
  },
  async createCategory(data: {
    name: string;
    parent_category_id?: string | null;
    description?: string;
    image_url?: string;
    sort_order?: string;
    is_parent_feature?: boolean;
  }): Promise<CategoryResponse> {
    return apiFetch<CategoryResponse>(API_ENDPOINTS.CATALOG_CATEGORIES_CREATE, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },

  // Parts (Inventory Items)
  async getParts(): Promise<PartResponse[]> {
    return apiFetch<PartResponse[]>(API_ENDPOINTS.CATALOG_PARTS_ALL, { skipAuth: true });
  },
  async createPart(data: {
    sku: string;
    name: string;
    cost_price: number;
    low_stock_alert?: number;
    supplier?: string;
    barcode?: string;
  }): Promise<PartResponse> {
    return apiFetch<PartResponse>(API_ENDPOINTS.CATALOG_PARTS_CREATE, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },

  // Device Series
  async getDeviceSeries(): Promise<DeviceSeriesResponse[]> {
    return apiFetch<DeviceSeriesResponse[]>(API_ENDPOINTS.CATALOG_DEVICE_SERIES_ALL, { skipAuth: true });
  },
  async createDeviceSeries(data: { brand_id: string; name: string; device_type?: string | null; sort_order?: number }): Promise<DeviceSeriesResponse> {
    return apiFetch<DeviceSeriesResponse>(API_ENDPOINTS.CATALOG_DEVICE_SERIES_CREATE, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },

  // Device Models
  async getDeviceModels(): Promise<DeviceModelResponse[]> {
    return apiFetch<DeviceModelResponse[]>(API_ENDPOINTS.CATALOG_DEVICE_MODELS_ALL, { skipAuth: true });
  },
  async createDeviceModel(data: {
    series_id?: string;
    brand_id: string;
    name: string;
    device_type?: string | null;
    release_year?: number;
    image_url?: string;
  }): Promise<DeviceModelResponse> {
    return apiFetch<DeviceModelResponse>(API_ENDPOINTS.CATALOG_DEVICE_MODELS_CREATE, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },

  // Service Types
  async getServiceTypes(): Promise<ServiceTypeResponse[]> {
    return apiFetch<ServiceTypeResponse[]>(API_ENDPOINTS.CATALOG_SERVICE_TYPES_ALL, { skipAuth: true });
  },
  async createServiceType(data: { name: string; icon_url?: string; description?: string }): Promise<ServiceTypeResponse> {
    return apiFetch<ServiceTypeResponse>(API_ENDPOINTS.CATALOG_SERVICE_TYPES_CREATE, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },

  // Repair Services
  async getRepairServices(): Promise<RepairServiceResponse[]> {
    return apiFetch<RepairServiceResponse[]>(API_ENDPOINTS.CATALOG_REPAIR_SERVICES_ALL, { skipAuth: true });
  },
  async createRepairService(data: { model_id: string; service_type_id: string; description?: string }): Promise<RepairServiceResponse> {
    return apiFetch<RepairServiceResponse>(API_ENDPOINTS.CATALOG_REPAIR_SERVICES_CREATE, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },

  // Repair Variants
  async getRepairVariants(): Promise<RepairVariantResponse[]> {
    return apiFetch<RepairVariantResponse[]>(API_ENDPOINTS.CATALOG_REPAIR_VARIANTS_ALL, { skipAuth: true });
  },
  async createRepairVariant(data: {
    repair_service_id: string;
    name: string;
    price: number;
    cost: number;
    duration_minutes?: number;
    warranty_days?: number;
    parts: Array<{ part_id: string; quantity?: number }>;
  }): Promise<RepairVariantResponse> {
    return apiFetch<RepairVariantResponse>(API_ENDPOINTS.CATALOG_REPAIR_VARIANTS_CREATE, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },

  // Stock Ledger
  async getStockHistory(): Promise<StockMovementResponse[]> {
    return apiFetch<StockMovementResponse[]>(API_ENDPOINTS.CATALOG_STOCK_HISTORY, { skipAuth: true });
  },
  async adjustStock(data: {
    entity_type: 'variant' | 'part';
    entity_id: string;
    movement_type: 'Adjustment' | 'Damage';
    quantity: number;
    reference_type: 'ManualAdjustment';
    reference_id: string;
  }): Promise<StockMovementResponse> {
    return apiFetch<StockMovementResponse>(API_ENDPOINTS.CATALOG_STOCK_ADJUST, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },

  // Purchase Orders
  async getPurchaseOrders(): Promise<PurchaseOrderResponse[]> {
    return apiFetch<PurchaseOrderResponse[]>(API_ENDPOINTS.CATALOG_PO_ALL, { skipAuth: true });
  },
  async createPurchaseOrder(data: {
    supplier_name: string;
    items: Array<{ part_id: string; quantity_ordered: number; unit_price: number }>;
  }): Promise<PurchaseOrderResponse> {
    return apiFetch<PurchaseOrderResponse>(API_ENDPOINTS.CATALOG_PO_CREATE, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },
  async receivePurchaseOrder(
    poId: string,
    itemsReceived: Array<{ id: string; quantity_received: number }>
  ): Promise<PurchaseOrderResponse> {
    return apiFetch<PurchaseOrderResponse>(API_ENDPOINTS.CATALOG_PO_RECEIVE(poId), {
      method: 'POST',
      body: JSON.stringify({ items_received: itemsReceived }),
    });
  },

  // Attributes
  async getAttributes(): Promise<AttributeTypeResponse[]> {
    return apiFetch<AttributeTypeResponse[]>(API_ENDPOINTS.CATALOG_ATTRIBUTES_ALL, { skipAuth: true });
  },
  async createAttribute(data: { name: string; code: string; preset_values?: string[] }): Promise<AttributeTypeResponse> {
    return apiFetch<AttributeTypeResponse>(API_ENDPOINTS.CATALOG_ATTRIBUTES_CREATE, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },
  async updateAttribute(attributeId: string, data: { name?: string; code?: string; preset_values?: string[] }): Promise<AttributeTypeResponse> {
    return apiFetch<AttributeTypeResponse>(API_ENDPOINTS.CATALOG_ATTRIBUTES_UPDATE(attributeId), {
      method: 'PUT',
      body: JSON.stringify(data),
    });
  },

  // Products
  async getProducts(params: { page?: number; limit?: number; search?: string } = {}): Promise<{
    total: number;
    page: number;
    limit: number;
    products: ProductResponse[];
  }> {
    const query = new URLSearchParams();
    query.set('page', String(params.page || 1));
    query.set('limit', String(params.limit || 50));
    if (params.search) query.set('search', params.search);
    return apiFetch(`${API_ENDPOINTS.CATALOG_PRODUCTS_ALL}?${query.toString()}`, { skipAuth: true });
  },
  async getSellableSkus(params: { page?: number; limit?: number; q?: string } = {}): Promise<{
    total: number;
    page: number;
    limit: number;
    items: SellableSkuRow[];
  }> {
    const query = new URLSearchParams();
    query.set('page', String(params.page || 1));
    query.set('limit', String(params.limit || 50));
    if (params.q) query.set('q', params.q);
    return apiFetch(`${API_ENDPOINTS.INVENTORY_SKUS}?${query.toString()}`);
  },
  async adjustSellableStock(data: {
    variant_id: string;
    event_type: string;
    qty: number;
    notes?: string;
  }): Promise<{ message: string; ledger_id: string }> {
    return apiFetch(API_ENDPOINTS.INVENTORY_ADJUST, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },
  async createProduct(data: {
    category_id: string;
    brand_id?: string | null;
    device_series_id?: string | null;
    device_model_id?: string | null;
    name: string;
    description?: string;
    warranty_type?: string;
    warranty_summary?: string;
    seo_title?: string;
    seo_description?: string;
    meta_keywords?: string;
    images?: Array<{ image_url: string; alt_text?: string; sort_order?: number; is_banner?: boolean }>;
    variants: Array<{
      sku: string;
      barcode?: string;
      price: number;
      compare_price?: number;
      cost_price: number;
      low_stock_threshold?: number;
      initial_stock?: number;
      attributes: Array<{ attribute_id: string; attribute_value: string }>;
      images?: Array<{ image_url: string; sort_order?: number; is_primary?: boolean }>;
    }>;
  }): Promise<ProductResponse> {
    return apiFetch<ProductResponse>(API_ENDPOINTS.CATALOG_PRODUCTS_CREATE, {
      method: 'POST',
      body: JSON.stringify(data),
    });
  },

  async bulkDeleteProducts(productIds: string[]): Promise<{ status: string; deleted_products_count: number; deleted_images_count: number; message: string }> {
    return apiFetch('/api/v1/catalog/products/bulk-delete', {
      method: 'POST',
      body: JSON.stringify({ product_ids: productIds }),
    });
  },

  async updateBrand(brandId: string, data: { name: string; logo_url?: string; is_active?: boolean; device_types?: string[] }): Promise<BrandResponse> {
    return apiFetch<BrandResponse>(API_ENDPOINTS.CATALOG_BRANDS_UPDATE(brandId), {
      method: 'PUT',
      body: JSON.stringify(data),
    });
  },
  async updateCategory(categoryId: string, data: {
    name?: string;
    parent_category_id?: string | null;
    description?: string;
    image_url?: string;
    sort_order?: string;
    is_active?: boolean;
    is_parent_feature?: boolean;
  }): Promise<CategoryResponse> {
    return apiFetch<CategoryResponse>(API_ENDPOINTS.CATALOG_CATEGORIES_UPDATE(categoryId), {
      method: 'PUT',
      body: JSON.stringify(data),
    });
  },
  async updateDeviceSeries(seriesId: string, data: { brand_id?: string; name?: string; device_type?: string | null; sort_order?: number; is_active?: boolean }): Promise<DeviceSeriesResponse> {
    return apiFetch<DeviceSeriesResponse>(API_ENDPOINTS.CATALOG_DEVICE_SERIES_UPDATE(seriesId), {
      method: 'PUT',
      body: JSON.stringify(data),
    });
  },
  async updateDeviceModel(modelId: string, data: {
    series_id?: string;
    brand_id?: string;
    name?: string;
    device_type?: string | null;
    release_year?: number;
    image_url?: string;
    is_active?: boolean;
  }): Promise<DeviceModelResponse> {
    return apiFetch<DeviceModelResponse>(API_ENDPOINTS.CATALOG_DEVICE_MODELS_UPDATE(modelId), {
      method: 'PUT',
      body: JSON.stringify(data),
    });
  },
  async updateServiceType(serviceTypeId: string, data: { name?: string; icon_url?: string; description?: string; is_active?: boolean }): Promise<ServiceTypeResponse> {
    return apiFetch<ServiceTypeResponse>(API_ENDPOINTS.CATALOG_SERVICE_TYPES_UPDATE(serviceTypeId), {
      method: 'PUT',
      body: JSON.stringify(data),
    });
  },
  async updateRepairService(repairServiceId: string, data: { model_id?: string; service_type_id?: string; description?: string }): Promise<RepairServiceResponse> {
    return apiFetch<RepairServiceResponse>(API_ENDPOINTS.CATALOG_REPAIR_SERVICES_UPDATE(repairServiceId), {
      method: 'PUT',
      body: JSON.stringify(data),
    });
  },
  async updateRepairVariant(variantId: string, data: {
    repair_service_id?: string;
    name?: string;
    price?: number;
    cost?: number;
    duration_minutes?: number;
    warranty_days?: number;
    parts?: Array<{ part_id: string; quantity?: number }>;
    status?: string;
  }): Promise<RepairVariantResponse> {
    return apiFetch<RepairVariantResponse>(API_ENDPOINTS.CATALOG_REPAIR_VARIANTS_UPDATE(variantId), {
      method: 'PUT',
      body: JSON.stringify(data),
    });
  },
  async updateProduct(productId: string, data: any): Promise<ProductResponse> {
    return apiFetch<ProductResponse>(API_ENDPOINTS.CATALOG_PRODUCTS_UPDATE(productId), {
      method: 'PUT',
      body: JSON.stringify(data),
    });
  },
  async deleteProduct(id: string): Promise<any> {
    return apiFetch<any>(API_ENDPOINTS.CATALOG_PRODUCTS_DELETE(id), { method: 'DELETE' });
  },
  async deleteCategory(id: string): Promise<any> {
    return apiFetch<any>(API_ENDPOINTS.CATALOG_CATEGORIES_DELETE(id), { method: 'DELETE' });
  },
  async deleteBrand(id: string): Promise<any> {
    return apiFetch<any>(API_ENDPOINTS.CATALOG_BRANDS_DELETE(id), { method: 'DELETE' });
  },
  async deleteDeviceSeries(id: string): Promise<any> {
    return apiFetch<any>(API_ENDPOINTS.CATALOG_DEVICE_SERIES_DELETE(id), { method: 'DELETE' });
  },
  async deleteDeviceModel(id: string): Promise<any> {
    return apiFetch<any>(API_ENDPOINTS.CATALOG_DEVICE_MODELS_DELETE(id), { method: 'DELETE' });
  },
  async deleteAttribute(id: string): Promise<any> {
    return apiFetch<any>(API_ENDPOINTS.CATALOG_ATTRIBUTES_DELETE(id), { method: 'DELETE' });
  },
};

export interface AttributeTypeResponse {
  attribute_id: string;
  name: string;
  code: string;
  status: string;
  preset_values?: string[];
  created_at?: string;
}

export interface VariantAttributeResponse {
  id: string;
  variant_id: string;
  attribute_id: string;
  attribute_value: string;
}

export interface ProductImageResponse {
  image_id: string;
  product_id: string;
  image_url: string;
  alt_text: string | null;
  sort_order: number;
  is_banner: boolean;
}

export interface VariantImageResponse {
  image_id: string;
  variant_id: string;
  image_url: string;
  sort_order: number;
  is_primary: boolean;
}

export interface ProductVariantResponse {
  variant_id: string;
  product_id: string;
  sku: string;
  barcode: string | null;
  price: number;
  compare_price: number | null;
  cost_price: number;
  low_stock_threshold: number;
  status: string;
  available_stock?: number;
  attributes?: VariantAttributeResponse[];
  images?: VariantImageResponse[];
}

export interface SellableSkuRow {
  variant_id: string;
  product_id: string;
  product_name: string;
  sku: string;
  barcode: string | null;
  price: number;
  cost_price: number;
  available_stock: number;
  pending_confirmation_units?: number;
  confirmed_units?: number;
  low_stock_threshold: number;
  status: string;
  is_low: boolean;
}

export interface ProductResponse {
  product_id: string;
  category_id: string;
  brand_id: string | null;
  device_series_id: string | null;
  device_model_id: string | null;
  device_type?: string | null;
  name: string;
  slug: string;
  full_path: string;
  description: string | null;
  warranty_type?: string | null;
  warranty_summary?: string | null;
  seo_title?: string | null;
  seo_description?: string | null;
  meta_keywords?: string | null;
  show_specifications?: boolean;
  status: string;
  created_at: string;
  images: ProductImageResponse[];
  variants: ProductVariantResponse[];
}