/*
 * Copyright (c) 2024-2026 Fabian Freund.
 *
 * This file is part of WebLibre
 * (see https://weblibre.eu).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
import 'package:flutter/widgets.dart';
import 'package:weblibre/domain/entities/equatable_image.dart';

/// A safe wrapper around [RawImage] that guards against disposed images.
///
/// Checks [EquatableImage.isDisposed] before rendering. When the image
/// is null or disposed, renders [fallback] (defaults to an empty SizedBox
/// matching the requested dimensions).
class SafeRawImage extends StatelessWidget {
  final EquatableImage? image;
  final double? width;
  final double? height;
  final BoxFit? fit;
  final Widget? fallback;

  const SafeRawImage({
    super.key,
    required this.image,
    this.width,
    this.height,
    this.fit,
    this.fallback,
  });

  @override
  Widget build(BuildContext context) {
    final uiImage = image?.value;

    if (uiImage == null) {
      return fallback ?? SizedBox(width: width, height: height);
    }

    return RawImage(image: uiImage, width: width, height: height, fit: fit);
  }
}