/// Visual browser for decoded sprite assets and their inferred gameplay roles.
library;

import 'package:flutter/material.dart';
import 'package:wolf_3d_dart/wolf_3d_data_types.dart';
import 'package:wolf_3d_dart/wolf_3d_entities.dart';
import 'package:wolf_3d_flutter/wolf_3d_flutter.dart';
import 'package:wolf_3d_renderer/wolf_3d_asset_painter.dart';

/// Displays every sprite frame in the active game along with enemy metadata.
class SpriteGallery extends StatelessWidget {
  /// Shared application facade used to access the active game's sprite set.
  final Wolf3d wolf3d;

  /// Creates the sprite gallery for [wolf3d].
  const SpriteGallery({super.key, required this.wolf3d});

  bool get isShareware => wolf3d.activeGame.version == GameVersion.shareware;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("Sprite Gallery"),
        automaticallyImplyLeading: true,
      ),
      backgroundColor: Colors.black,
      body: GridView.builder(
        gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
          crossAxisCount: 8,
          crossAxisSpacing: 8,
          mainAxisSpacing: 8,
        ),
        itemCount: wolf3d.sprites.length,
        itemBuilder: (context, index) {
          String label = "Sprite Index: $index";
          for (final enemy in EnemyType.values) {
            // The gallery infers likely ownership from sprite index ranges so
            // debugging art packs does not require cross-referencing source.
            if (enemy.claimsSpriteIndex(index, isShareware: isShareware)) {
              final EnemyAnimation? animation = enemy.getAnimationFromSprite(
                index,
                isShareware: isShareware,
              );

              label += "\n${enemy.name}";
              if (animation != null) {
                label += "\n${animation.name}";
              }
              break;
            }
          }

          return Card(
            color: Colors.blueGrey,
            child: Column(
              spacing: 8,
              children: [
                Text(
                  label,
                  style: const TextStyle(color: Colors.white, fontSize: 10),
                  textAlign: TextAlign.center,
                ),
                Expanded(
                  child: AspectRatio(
                    aspectRatio: 4 / 3,
                    child: WolfAssetPainter.sprite(wolf3d.sprites[index]),
                  ),
                ),
              ],
            ),
          );
        },
      ),
    );
  }
}