import 'dart:isolate';
import 'dart:ui';

import 'package:flutter/services.dart';
import 'package:flutter/widgets.dart' hide Image;
import 'remote_frame_buffer_isolate_messages.dart';
import 'package:fpdart/fpdart.dart';

class RemoteFrameBufferMouseDetector extends MouseRegion {
  final Image _image;
  final Size _remoteFrameBufferWidgetSize;
  final Option<SendPort> _sendPort;

  RemoteFrameBufferMouseDetector({
    super.key,
    required final Image image,
    required final Size remoteFrameBufferWidgetSize,
    required final Option<SendPort> sendPort,
    super.child,
  })  : _image = image,
        _remoteFrameBufferWidgetSize = remoteFrameBufferWidgetSize,
        _sendPort = sendPort;

  // @override
  // PointerHoverEventListener? get onHover =>
  //     (final PointerEvent details) => _sendPort.match(
  //           () {},
  //           (final SendPort sendPort) => sendPort.send(
  //             RemoteFrameBufferIsolateSendMessage.pointerEvent(
  //               button1Down: false,
  //               button2Down: false,
  //               button3Down: false,
  //               button4Down: false,
  //               button5Down: false,
  //               button6Down: false,
  //               button7Down: false,
  //               button8Down: false,
  //               x: (details.localPosition.dx /
  //                       _remoteFrameBufferWidgetSize.width *
  //                       _image.width)
  //                   .toInt(),
  //               y: (details.localPosition.dy /
  //                       _remoteFrameBufferWidgetSize.height *
  //                       _image.height)
  //                   .toInt(),
  //             ),
  //           ),
  //         );

  @override
  PointerEnterEventListener? get onEnter =>
      (final PointerEnterEvent details) => _sendPort.match(
            () {},
            (final SendPort sendPort) => sendPort.send(
              RemoteFrameBufferIsolateSendMessage.pointerEvent(
                button1Down: true,
                button2Down: false,
                button3Down: false,
                button4Down: false,
                button5Down: false,
                button6Down: false,
                button7Down: false,
                button8Down: false,
                x: (details.localPosition.dx /
                        _remoteFrameBufferWidgetSize.width *
                        _image.width)
                    .toInt(),
                y: (details.localPosition.dy /
                        _remoteFrameBufferWidgetSize.height *
                        _image.height)
                    .toInt(),
              ),
            ),
          );

  @override
  PointerExitEventListener? get onExit =>
      (final PointerExitEvent details) => _sendPort.match(
            () {},
            (final SendPort sendPort) => sendPort.send(
              RemoteFrameBufferIsolateSendMessage.pointerEvent(
                button1Down: false,
                button2Down: false,
                button3Down: false,
                button4Down: false,
                button5Down: false,
                button6Down: false,
                button7Down: false,
                button8Down: false,
                x: (details.localPosition.dx /
                        _remoteFrameBufferWidgetSize.width *
                        _image.width)
                    .toInt(),
                y: (details.localPosition.dy /
                        _remoteFrameBufferWidgetSize.height *
                        _image.height)
                    .toInt(),
              ),
            ),
          );
}