import 'dart:convert';
import 'package:flutter/services.dart';
import 'package:keyboard/data/repository/characters_repository.dart';
import 'package:keyboard/data/repository/keyboard_repository.dart';
import '../utils/mmkv_util.dart';

class KeyboardMethodHandler {
  final KeyboardRepository keyboardRepository;
  final CharactersRepository charactersRepository;

  static const String keyboardSelect = 'keyboard_select';

  KeyboardMethodHandler(
      this.keyboardRepository,
      this.charactersRepository,
      );

  Future<dynamic> handleMethodCall(MethodCall call) async {
    switch (call.method) {
      case 'getKeyboardList':
        return await _handleGetKeyboardList(call);
      case 'selectedKeyboard':
        return _handleSelectedKeyboard(call);
      case 'getCharacterList':
        return await _handleGetCharacterList(call);
      default:
        throw MissingPluginException('Not implemented: ${call.method}');
    }
  }

  Future<String> _handleGetKeyboardList(MethodCall call) async {
    String? type = call.arguments?['type'] as String?;
    final keyboardList = await keyboardRepository.getKeyboardList(type: type);

    final selectKeyboardId = KVUtil.getString(keyboardSelect, null);

    if (selectKeyboardId != null) {
      for (var element in keyboardList.keyboardInfos) {
        if (element.id == selectKeyboardId) {
          element.isSelect = true;
        }
      }
    }
    return jsonEncode(keyboardList.toJson());
  }


  Future<String> _handleSelectedKeyboard(MethodCall call) async {
    final String keyboardId = call.arguments['keyboardId'];
    KVUtil.putString(keyboardSelect, keyboardId);
    return "{}";
  }

  Future<String> _handleGetCharacterList(MethodCall call) async {
    final String keyboardId = call.arguments['keyboardId'];
    final characterList = await keyboardRepository.getKeyboardCharacterList(keyboardId: keyboardId);
    return jsonEncode(characterList.toJson());
  }




}