analyze_with_chat_gpt.dart

Future<Map<String, dynamic>> _analyzeWithGPT(String text) async {
    final response = await http.post(
      Uri.parse('https://api.openai.com/v1/chat/completions'),
      headers: {
        'Content-Type': 'application/json',
        'Authorization': 'Bearer $apiKey',
      },
      body: jsonEncode({
        'model': 'gpt-4o-mini',
        'messages': [
          {
            'role': 'system',
            'content':
                'You are a helpful assistant that analyzes food product ingredients.',
          },
          {
            'role': 'user',
            'content':
                'Analyze the following ingredients: $text. Answer these questions in the following format:\n\nIs gluten-free: [result]\nIs halal: [result]\nIs lactose-intolerant friendly: [result]\nIs vegan: [result]\nIs vegetarian: [result]\nIs healthy: [result]\nContains palm oil: [result]',
          },
        ],
      }),
    );

    if (response.statusCode == 200) {
      return response.body;
    } else {
      throw Exception('Failed to analyze with GPT');
    }
  }