import api from './api';

export interface Product {
  id: string;
  _id?: string;
  source: 'cima' | 'promofarma' | 'pharmarket' | 'docmorris' | '1001farma' | 'primor' | 'mifarma';
  name: string;
  brand: string;
  category: string;
  subcategory?: string;
  image_url: string | null;
  source_url?: string;
  price?: number;
  original_price?: number;
  available?: boolean;
  rating?: number;
  review_count?: number;
  active_ingredient?: string;
  dosage?: string;
  form?: string;
  prescription?: string;
  commercialized?: boolean;
  photos?: { tipo: string; url: string }[];
  docs?: { tipo: number; url: string }[];
}

export interface ProductSearchResponse {
  results: Product[];
  total: number;
  page?: number;
  pages?: number;
  sources?: {
    cima: number;
  };
}

export async function searchProducts(query: string): Promise<Product[]> {
  if (!query || query.trim().length < 2) return [];
  try {
    const { data } = await api.get<ProductSearchResponse>('/products/search', {
      params: { q: query }
    });
    return data.results || [];
  } catch (error) {
    console.error('[Products] Search error:', error);
    return [];
  }
}

export async function searchParapharmacy(query: string, options?: {
  category?: string;
  brand?: string;
  page?: number;
  limit?: number;
}): Promise<ProductSearchResponse> {
  if (!query || query.trim().length < 2) {
    return { results: [], total: 0 };
  }
  try {
    const params: Record<string, string | number> = { q: query };
    if (options?.category) params.category = options.category;
    if (options?.brand) params.brand = options.brand;
    if (options?.page) params.page = options.page;
    if (options?.limit) params.limit = options.limit;

    const { data } = await api.get<ProductSearchResponse>('/products/parapharmacy/search', {
      params
    });
    return data;
  } catch (error) {
    console.error('[Parapharmacy] Search error:', error);
    return { results: [], total: 0 };
  }
}

export async function getParapharmacyProduct(id: string): Promise<Product | null> {
  try {
    const { data } = await api.get<Product>(`/products/parapharmacy/${id}`);
    return data;
  } catch (error) {
    console.error('[Parapharmacy] Detail error:', error);
    return null;
  }
}

export async function getParapharmacyCategories(): Promise<string[]> {
  try {
    const { data } = await api.get<string[]>('/products/parapharmacy/categories');
    return data || [];
  } catch (error) {
    console.error('[Parapharmacy] Categories error:', error);
    return [];
  }
}

export async function getParapharmacyBrands(): Promise<string[]> {
  try {
    const { data } = await api.get<string[]>('/products/parapharmacy/brands');
    return data || [];
  } catch (error) {
    console.error('[Parapharmacy] Brands error:', error);
    return [];
  }
}

export async function getProduct(source: string, id: string): Promise<Product | null> {
  try {
    // Use parapharmacy endpoint for all non-CIMA sources
    const isCima = source === 'cima';
    const endpoint = isCima
      ? `/products/${source}/${id}`
      : `/products/parapharmacy/${id}`;

    const { data } = await api.get<Product>(endpoint);
    return data;
  } catch (error) {
    console.error('[Products] Detail error:', error);
    return null;
  }
}