// Author: fruit.com.cn

import 'package:flutter/foundation.dart';
import 'package:flutter/widgets.dart';

/// Tracks heart overlays for the lifetime of one player page.
class PlayerHeartOverlayController {
  final Map<int, OverlayEntry> _entries = {};

  void track(int id, OverlayEntry entry) {
    _entries[id] = entry;
  }

  void untrack(int id) {
    _entries.remove(id);
  }

  void dispose() {
    for (final entry in _entries.entries.toList()) {
      if (entry.value.mounted) entry.value.remove();
      entry.value.dispose();
      if (kDebugMode) {
        debugPrint(
          '[player] phase=heart-burst-entry-removed '
          'id=${entry.key} reason=page-dispose',
        );
      }
    }
    _entries.clear();
  }
}

class PlayerHeartOverlayScope extends InheritedWidget {
  const PlayerHeartOverlayScope({
    super.key,
    required this.controller,
    required super.child,
  });

  final PlayerHeartOverlayController controller;

  static PlayerHeartOverlayController? maybeOf(BuildContext context) {
    return context
        .dependOnInheritedWidgetOfExactType<PlayerHeartOverlayScope>()
        ?.controller;
  }

  @override
  bool updateShouldNotify(PlayerHeartOverlayScope oldWidget) {
    return controller != oldWidget.controller;
  }
}