import 'dart:io';

import 'package:fikoyt_ui/fikoyt_ui.dart';
import 'package:flutter/material.dart';

class TusYayilmasiEngelleWidget extends StatefulWidget {
  final Widget child;
  final bool Function(KeyEvent event) shouldBlockKey;

  const TusYayilmasiEngelleWidget({
    super.key,
    required this.child,
    required this.shouldBlockKey,
  });

  @override
  _TusYayilmasiEngelleWidgetState createState() => _TusYayilmasiEngelleWidgetState();
}

class _TusYayilmasiEngelleWidgetState extends State<TusYayilmasiEngelleWidget> with WidgetsBindingObserver {
  final FocusNode _focusNode = FocusNode();
  bool _isFocused = false;

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);
    _forceFocus();
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    _focusNode.dispose();
    super.dispose();
  }

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    if (state == AppLifecycleState.resumed) {
      // debugPrint("App resumed, forcing focus...");
      Future.delayed(const Duration(milliseconds: 0), _forceFocus);
    }
  }

  void _forceFocus() {
    WidgetsBinding.instance.addPostFrameCallback((_) {
      if (!mounted) return;
      if (!_isFocused) {
        // debugPrint("Requesting focus...");
        FocusScope.of(context).unfocus(); // Önce diğer focus'u bırak
        _focusNode.requestFocus(); // Sonra kendi focus'unu al
        _isFocused = true;
        // setState(() {}); // Yeniden çizim tetikle
      }
    });
  }

  KeyEventResult _handleKeyEvent(FocusNode node, KeyEvent event) {
    if (widget.shouldBlockKey(event)) {
      // debugPrint("Blocked key: ${event.logicalKey}");
      return KeyEventResult.handled; // Tuşu alt widget'lara göndermiyoruz
    }
    return KeyEventResult.ignored; // Normal şekilde devam etsin
  }

  @override
  Widget build(BuildContext context) {
    return
        // BackButtonListener(
        //   child:
        GestureDetector(
      onTap: _forceFocus,
      child: Focus(
          focusNode: _focusNode,
          autofocus: false,
          canRequestFocus: true, // Focus isteyebilir
          skipTraversal: true, // Focus geçişini engelleme

          onFocusChange: (value) => _isFocused = value,
          onKeyEvent: _handleKeyEvent,
          child: widget.child),
    )

        //   ,
        //   onBackButtonPressed: () async {
        //     return _isFocused ? false : true;
        //   },
        // )
        ;
  }
}