import 'package:cheminova/utils/api_urls.dart';

import '../models/product_model1.dart';
import '../utils/common_api_service.dart';
import '../utils/show_snackbar.dart';

class ProductService {
  // Method to fetch products based on the page number and optional category
  Future<List<Product>?> getProduct(int page, {String? category}) async {
    try {
      String url;
      // Determine the URL based on the presence of a category filter
      if (category != null && category.isNotEmpty) {
        url = "${ApiUrls.getallProductUrl}?page=$page&category=$category";
      }
      else {
        url = "${ApiUrls.getallProductUrl}?page=$page"; // URL without category filter
      }
      // Make the API call using the common API service
      final response = await commonApiService<List<Product>>(
        method: "GET",
        url: url,
        fromJson: (json) {
          if (json['products'] != null) {
            // If the 'products' key exists, map it to a list of Product objects
            final List<Product> products = (json['products'] as List)
                .map((productJson) => Product.fromJson(productJson as Map<String, dynamic>))
                .toList();
            return products;
          } else {
            return [];
          }
        },
      );
      return response;
    } catch (e) {
     // showSnackbar(e.toString());

      return null;
    }
  }

  // Method to fetch product categories
  Future<List<Map<String, dynamic>>?> getCategory() async {
    try {
      // Make the API call to fetch categories
      final response = await commonApiService<List<Map<String, dynamic>>>(
        method: "GET",
        url: ApiUrls.getCategoryUrl,
        fromJson: (json) {
          if (json['categories'] != null) {
            final List<Map<String, dynamic>> category = (json['categories'] as List)
                .map((productJson) => productJson as Map<String, dynamic>)
                .toList();
            return category; // Return the list of categories
          } else {
            return []; // Return an empty list if no categories are found
          }
        },
      );
      return response;
    } catch (e) {
      showSnackbar(e.toString());
      print("Error: $e");
    }
    return null;
  }
}