import 'dart:convert';
import 'dart:io';

import 'package:archive/archive.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter_svga/src/proto/svga.pbserver.dart';

void main() {
  test('dump svga catalog', () async {
    const path =
        'sc_images/room/anim/luck_gift/kojuyee_reback_banner.svga';
    final rawBytes = File(path).readAsBytesSync();
    final inflatedBytes = const ZLibDecoder().decodeBytes(rawBytes);
    final movie = MovieEntity.fromBuffer(inflatedBytes);
    final outputDir = Directory('/tmp/luck_gift_svga_catalog');
    outputDir.createSync(recursive: true);

    final metadata = <Map<String, Object?>>[];
    for (final key in movie.images.keys) {
      final bytes = movie.images[key]!;
      File('${outputDir.path}/$key.png').writeAsBytesSync(bytes);

      final sprites =
          movie.sprites.where((sprite) => sprite.imageKey == key).toList();
      final firstFrame = sprites.isNotEmpty && sprites.first.frames.isNotEmpty
          ? sprites.first.frames.first
          : null;
      metadata.add({
        'key': key,
        'bytes': bytes.length,
        'spriteCount': sprites.length,
        'layout': firstFrame == null
            ? null
            : {
                'x': firstFrame.layout.x,
                'y': firstFrame.layout.y,
                'width': firstFrame.layout.width,
                'height': firstFrame.layout.height,
              },
        'transform': firstFrame == null
            ? null
            : {
                'a': firstFrame.transform.a,
                'd': firstFrame.transform.d,
                'tx': firstFrame.transform.tx,
                'ty': firstFrame.transform.ty,
              },
      });
    }

    File('${outputDir.path}/metadata.json').writeAsStringSync(
      const JsonEncoder.withIndent('  ').convert(metadata),
    );
  });
}