// Importing the Dart library for JSON encoding and decoding
import 'dart:convert';

// Importing the HTTP package for making API calls
import 'package:http/http.dart' as http;

// A function to fetch ads for a specific service
Future<void> fetchAds(String serviceId) async {
  // Constructing the API endpoint URL with the provided service ID
  final url = Uri.parse('https://api.engine.quantums.com.sa/s/m/$serviceId');

  // Setting the headers for the HTTP POST request
  final headers = {
    'Content-Type': 'application/json', // Specifies the format of the request body
    'User-Agent': userAgent,            // Identifies the client making the request
    'Client-IP': clientIP,              // Represents the IP address of the client
    'Forwarded': 'for=$clientIP'        // Conveys proxy information including the client's IP address
  };

  // Preparing the body of the request as a JSON-encoded string
  final body = jsonEncode({
    "keywords": "",  // Example keyword field (currently empty)
    "dataKeys": {}   // Example dataKeys field (currently an empty object)
  });

  try {
    // Sending the POST request to the specified URL with headers and body
    final response = await http.post(url, headers: headers, body: body);

    // Checking if the response status code indicates success (200 OK)
    if (response.statusCode == 200) {
      // Decoding the JSON response body into a Dart object
      final data = jsonDecode(response.body);

      // Printing the response data to the console
      print('Ad Response: $data');
    } else {
      // Printing an error message if the response status code is not 200
      print('Error: ${response.statusCode}');
    }
  } catch (e) {
    // Handling any exceptions that occur during the API request
    print('Request failed: $e');
  }
}

// Calling the function with a placeholder service ID
fetchAds('yourServiceId');