lib/services/llm_service.dart

import 'dart:async';

class LlmService {
  static final LlmService _instance = LlmService._internal();
  factory LlmService() => _instance;
  LlmService._internal();

  bool _isInit = false;

  Future<String> processAction(String text, String action) async {
    // LLM feature is disabled in V0.0.2 to save battery and RAM
    // Return mock grammar responses or null
    await Future.delayed(const Duration(milliseconds: 500));
    
    if (action == 'Formal') {
      return 'Rewrite the following text formally: $text';
    } else if (action == 'Casual') {
      return 'Rewrite the following text casually: $text';
    } else if (action == 'Short') {
      return 'Make the following text much shorter: $text';
    } else if (action == 'Sum') {
      return 'Summarize the following text: $text';
    }
    
    return 'Error: LLM engine is offline in V0.0.2';
  }
}