import '../../core/contracts/library.dart';
import '../../core/contracts/tmdb.dart';
import '../mappers/tmdb_image_url.dart';


int? seasonNumberFrom(EmbyRawSeason season) {
  final indexNumber = season.IndexNumber;
  if (indexNumber != null) return indexNumber;
  final name = season.Name.trim().toLowerCase();
  if (name == 'specials' || name == '特别篇' || name == 'sp') return 0;
  final match = RegExp(r'\d+').firstMatch(season.Name);
  if (match == null) return null;
  return int.tryParse(match.group(0)!);
}


Map<int, String> tmdbStillUrlsByEpisode(
  TmdbSeasonDetail? season,
  String? imageBaseUrl,
) {
  if (season == null || imageBaseUrl == null || imageBaseUrl.isEmpty) {
    return const {};
  }
  final urls = <int, String>{};
  for (final episode in season.episodes) {
    final url = TmdbImageUrl.still(
      imageBaseUrl,
      episode.stillPath,
      size: 'w500',
    );
    if (url != null && url.isNotEmpty) {
      urls[episode.episodeNumber] = url;
    }
  }
  return urls;
}