import 'package:flutter/services.dart';

class DataMethodChannel extends MethodChannel {
  DataMethodChannel(String name) : super(name) {
    setMethodCallHandler((call) {
      switch (call.method) {
      }
      return Future.value();
    });
  }
}

DataMethodChannel dataMethodChannel = DataMethodChannel('com.yeshi.video/data');

class MySharedPreferences {
  static MySharedPreferences? _instance;

  static MySharedPreferences getInstance() {
    _instance ??= MySharedPreferences();
    return _instance!;
  }

  Future<String?> getString(String key) async {
    String? value = await _getValue(key);
    return value;
  }

  Future<bool?> getBool(String key) async {
    String? value = await _getValue(key);
    if (value == null) {
      return null;
    }
    return value as bool;
  }

  Future<int?> getInt(String key) async {
    String? value = await _getValue(key);
    if (value == null) {
      return null;
    }
    return int.parse(value);
  }

  Future<bool> setString(String key, String value) async {
    return await _setValue(key, value);
  }

  Future<bool> setBool(String key, bool value) async {
    return await _setValue(key, value.toString());
  }

  Future<bool> setInt(String key, bool value) async {
    return await _setValue(key, value.toString());
  }

  Future<bool> remove(String key) async {
    return await _removeValue(key);
  }

  Future<bool> _setValue(String key, String? value) async {
    String? success = await dataMethodChannel
        .invokeMethod<String>("setSharedValue", {"key": key, "value": value});
    print("MySharedPreferences 设置值:$success");
    if (success != null && success == "1") {
      return true;
    }
    return false;
  }

  Future<bool> _removeValue(String key) async {
    String? success =
        await dataMethodChannel.invokeMethod<String>("removeSharedValue", key);
    print("MySharedPreferences 删除值:$success");
    if (success != null && success == "1") {
      return true;
    }
    return false;
  }

  Future<String?> _getValue(String key) async {
    String? result =
        await dataMethodChannel.invokeMethod<String>("getSharedValue", key);
    print("MySharedPreferences 获取值:$result");
    return result;
  }
}