using System ;
using System.IO ;
using Emby.Naming.Common ;
using Emby.Naming.Video ;
using Jellyfin.Extensions ;
namespace Emby.Naming.TV
{
/// <summary>
/// Used to resolve information about episode from path.
/// </summary>
public class EpisodeResolver
{
private readonly NamingOptions _options ;
/// <summary>
/// Initializes a new instance of the <see cref="EpisodeResolver"/> class.
/// </summary>
/// <param name="options"><see cref="NamingOptions"/> object containing VideoFileExtensions and passed to <see cref="StubResolver"/>, <see cref="Format3DParser"/> and <see cref="EpisodePathParser"/>.</param>
public EpisodeResolver ( NamingOptions options )
{
_options = options ;
}
/// <summary>
/// Resolve information about episode from path.
/// </summary>
/// <param name="path">Path.</param>
/// <param name="isDirectory">Is path for a directory or file.</param>
/// <param name="isNamed">Do we want to use IsNamed expressions.</param>
/// <param name="isOptimistic">Do we want to use Optimistic expressions.</param>
/// <param name="supportsAbsoluteNumbers">Do we want to use expressions supporting absolute episode numbers.</param>
/// <param name="fillExtendedInfo">Should we attempt to retrieve extended information.</param>
/// <returns>Returns null or <see cref="EpisodeInfo"/> object if successful.</returns>
public EpisodeInfo ? Resolve (
string path ,
bool isDirectory ,
bool? isNamed = null ,
bool? isOptimistic = null ,
bool? supportsAbsoluteNumbers = null ,
bool fillExtendedInfo = true )
{
bool isStub = false ;
string? container = null ;
string? stubType = null ;
if ( ! isDirectory )
{
var extension = Path . GetExtension ( path ) ;
// Check supported extensions
if ( ! _options . VideoFileExtensions . Contains ( extension , StringComparison . OrdinalIgnoreCase ) )
{
// It's not supported. Check stub extensions
if ( ! StubResolver . TryResolveFile ( path , _options , out stubType ) )
{
return null ;
}
isStub = true ;
}
container = extension . TrimStart ( '.' ) ;
}
var format3DResult = Format3DParser . Parse ( path , _options ) ;
var parsingResult = new EpisodePathParser ( _options )
. Parse ( path , isDirectory , isNamed , isOptimistic , supportsAbsoluteNumbers , fillExtendedInfo ) ;
if ( ! parsingResult . Success & & ! isStub )
{
return null ;
}
return new EpisodeInfo ( path )
{
Container = container ,
IsStub = isStub ,
EndingEpisodeNumber = parsingResult . EndingEpisodeNumber ,
EpisodeNumber = parsingResult . EpisodeNumber ,
SeasonNumber = parsingResult . SeasonNumber ,
SeriesName = parsingResult . SeriesName ,
StubType = stubType ,
Is3D = format3DResult . Is3D ,
Format3D = format3DResult . Format3D ,
IsByDate = parsingResult . IsByDate ,
Day = parsingResult . Day ,
Month = parsingResult . Month ,
Year = parsingResult . Year
} ;
}
}
}