namespace Sunless.Architecture;

public interface IArchSheet
{
	Type Payload { get; }

	void Build( ToolSidebarWidget panel, ArchTool tool, ArchSelection picked, Action refresh, Action changed );
}

public sealed class ArchSheets : ArchTable<ArchSheets, Type, IArchSheet>
{
	protected override IEnumerable<IArchSheet> Standing()
	{
		yield return new ArchWallSheet();
		yield return new ArchWallModSheet();
		yield return new ArchRoofSheet();
		yield return new ArchRoofLightSheet();
		yield return new ArchStairSheet();
		yield return new ArchStairStepSheet();
		yield return new ArchStairGuardSheet();
		yield return new ArchApproachSheet();
		yield return new ArchPillarSheet();
		yield return new ArchSpanSheet();
		yield return new ArchPlatformSheet();
		yield return new ArchBeamSheet();
		yield return new ArchCutSheet();
		yield return new ArchPipeSheet();
		yield return new ArchPipeBracketSheet();
		yield return new ArchPorchSheet();
		yield return new ArchRoadPartSheet();
		yield return new ArchCrossingSheet();
		yield return new ArchBridgeSheet();
		yield return new ArchTunnelSheet();
	}

	protected override Type KeyOf( IArchSheet sheet ) => sheet.Payload;

	protected override bool Accepts( IArchSheet sheet ) => sheet.Payload is not null;

	protected override string Collision( IArchSheet standing, IArchSheet sheet )
	{
		return $"{sheet.Payload.Name} is claimed by both {standing.GetType().Name} and {sheet.GetType().Name}";
	}

	public IArchSheet For( Type payload ) => Held( payload );

	public IArchSheet For( object payload ) => payload is null ? null : For( payload.GetType() );

	public ArchSheets Without<T>() => Without( typeof( T ) );

	public ArchSheets Except( Type payload ) => Without( payload );

	public ArchSheets Except<T>() => Without<T>();
}