import 'package:flutter/material.dart';
import 'package:file_picker/file_picker.dart';
import 'package:provider/provider.dart';
import 'package:win_text_editor/app/menus/menu_constants.dart';
import 'package:win_text_editor/app/providers/file_provider.dart';
import 'package:win_text_editor/app/providers/editor_provider.dart';
import 'package:collection/collection.dart';
import 'dart:io';

class MenuActions {
  // 定义模板解析选项卡的常量
  static const String templateParserTabType = "template_parser";
  static const String templateParserTabTitle = "模板解析";
  static const IconData templateParserTabIcon = Icons.auto_awesome_mosaic;
  static const String templateParserDefaultContent = "";

  static Future<void> handleMenuAction(String value, BuildContext context) async {
    switch (value) {
      case MenuConstants.openFolder:
        await _openFolder(context);
        break;
      case MenuConstants.templateParser:
        await _openTemplateParser(context);
        break;
      case MenuConstants.exit:
        _exitApplication();
        break;
      // 其他菜单项可以在这里添加处理逻辑
    }
  }

  static Future<void> _openFolder(BuildContext context) async {
    final fileProvider = Provider.of<FileProvider>(context, listen: false);
    final String? selectedDirectory = await FilePicker.platform.getDirectoryPath();

    if (selectedDirectory != null) {
      await fileProvider.loadDirectory(selectedDirectory);
    }
  }

  static Future<void> _openTemplateParser(BuildContext context) async {
    final editorProvider = Provider.of<EditorProvider>(context, listen: false);

    // 使用 firstWhereOrNull 查找选项卡
    final existingTab = editorProvider.tabs.firstWhereOrNull(
      (tab) => tab.type == templateParserTabType,
    );

    if (existingTab != null) {
      // 如果存在，激活该选项卡
      editorProvider.setActiveTab(existingTab.id);
    } else {
      // 如果不存在，创建新选项卡
      await editorProvider.addTab(
        title: templateParserTabTitle,
        type: templateParserTabType,
        icon: templateParserTabIcon,
        content: templateParserDefaultContent,
      );
    }
  }

  static void _exitApplication() {
    exit(0);
  }
}