123 lines
3.7 KiB
Dart
123 lines
3.7 KiB
Dart
import '../utils/formatters.dart';
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import '../utils/codec_utils.dart';
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import '../utils/json_utils.dart';
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class PlexMediaVersion {
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final int id;
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final String? videoResolution;
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final String? videoCodec;
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final int? bitrate;
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final int? width;
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final int? height;
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final String? container;
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final String partKey;
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PlexMediaVersion({
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required this.id,
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this.videoResolution,
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this.videoCodec,
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this.bitrate,
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this.width,
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this.height,
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this.container,
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required this.partKey,
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});
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/// Creates a PlexMediaVersion from Plex API Media object.
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/// Values may be String or int depending on the response format (XML vs JSON).
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factory PlexMediaVersion.fromJson(Map<String, dynamic> json) {
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// Get the first Part key for playback
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final parts = flexibleList(json['Part']);
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final partKey = parts != null && parts.isNotEmpty ? parts.first['key']?.toString() ?? '' : '';
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return PlexMediaVersion(
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id: flexibleInt(json['id']) ?? 0,
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videoResolution: json['videoResolution']?.toString(),
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videoCodec: json['videoCodec']?.toString(),
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bitrate: flexibleInt(json['bitrate']),
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width: flexibleInt(json['width']),
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height: flexibleInt(json['height']),
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container: json['container']?.toString(),
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partKey: partKey,
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);
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}
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/// Display label with detailed information: "1080p H.264 MKV (8.5 Mbps)"
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String get displayLabel {
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final parts = <String>[];
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// Add resolution
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if (videoResolution != null && videoResolution!.isNotEmpty) {
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parts.add('${videoResolution}p');
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} else if (height != null) {
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parts.add('${height}p');
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}
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// Add codec
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if (videoCodec != null && videoCodec!.isNotEmpty) {
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parts.add(CodecUtils.formatVideoCodec(videoCodec!));
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}
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// Add container
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if (container != null && container!.isNotEmpty) {
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parts.add(container!.toUpperCase());
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}
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// Build main label
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String label = parts.isNotEmpty ? parts.join(' ') : 'Unknown';
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// Add bitrate in parentheses
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if (bitrate != null && bitrate! > 0) {
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label += ' (${ByteFormatter.formatBitrate(bitrate!)})';
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}
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return label;
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}
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/// Version signature for matching across episodes.
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/// Format: "resolution:codec:container" (e.g., "1080:h264:mkv")
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String get signature {
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final res = videoResolution ?? '';
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final codec = videoCodec ?? '';
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final cont = container ?? '';
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return '$res:$codec:$cont'.toLowerCase();
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}
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String get _resolutionPart => (videoResolution ?? '').toLowerCase();
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String get _codecPart => (videoCodec ?? '').toLowerCase();
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/// Find the best matching version index from a set of accepted signatures.
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/// Uses tiered matching: exact → resolution+codec → resolution only.
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/// Returns null if no accepted signature matches at all.
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static int? findMatchingIndex(List<PlexMediaVersion> versions, Set<String> acceptedSignatures) {
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if (versions.isEmpty || acceptedSignatures.isEmpty) return null;
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for (final sig in acceptedSignatures) {
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final parts = sig.split(':');
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if (parts.length != 3) continue;
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final targetRes = parts[0];
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final targetCodec = parts[1];
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// Tier 1: exact match
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for (int i = 0; i < versions.length; i++) {
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if (versions[i].signature == sig) return i;
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}
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// Tier 2: resolution + codec
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for (int i = 0; i < versions.length; i++) {
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if (versions[i]._resolutionPart == targetRes && versions[i]._codecPart == targetCodec) return i;
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}
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// Tier 3: resolution only
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for (int i = 0; i < versions.length; i++) {
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if (versions[i]._resolutionPart == targetRes) return i;
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}
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}
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return null;
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}
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@override
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String toString() => displayLabel;
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}
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