class GroqService {
  final String _apiKey = 'YOUR_GROQ_API_KEY';
  final String _endpoint = 'https://api.groq.com/openai/v1/chat/completions';
 
  Future<String> sendMessage(String userMessage) async {
    final response = await http.post(
      Uri.parse(_endpoint),
      headers: {
        'Authorization': 'Bearer $_apiKey',
        'Content-Type': 'application/json',
      },
      body: jsonEncode({
        'model': 'llama3-8b-8192',
        'messages': [
          {
            'role': 'system',
            'content': 'You are a helpful assistant for BabyShopHub. You help parents find baby products and give general parenting advice.'
          },
          {
            'role': 'user',
            'content': userMessage
          }
        ]
      }),
    );
 
    if (response.statusCode == 200) {
      final data = jsonDecode(response.body);
      return data['choices'][0]['message']['content'];
    } else {
      throw Exception('Failed to fetch AI response');
    }
  }
}