using System.Collections.Generic;
using Sandbox;
using MapDoor = Sandbox.Mapping.Door;

namespace Sunless.Architecture;

// The tool stands the engine door and can never name a game's runtime type, so the game hangs its own half here.
public interface IArchDoorFitter {
	void Fit( GameObject node, MapDoor door );
}

// Never cached across builds, for the reason ArchDrawers is not: hotload carries statics over.
public sealed class ArchDoorFitters {
	readonly List<IArchDoorFitter> fitters = new();

	// Nothing enrolled is the tool standing without a game around it - the door still swings, for nobody.
	public static ArchDoorFitters None => new();

	public static ArchDoorFitters Load() {
		var built = new ArchDoorFitters();

		foreach ( var fitter in ArchDiscovery.Enrolled<IArchDoorFitter>() ) {
			built.fitters.Add( fitter );
		}

		return built;
	}

	public int Count => fitters.Count;

	public void Fit( GameObject node, MapDoor door ) {
		foreach ( var fitter in fitters ) {
			fitter.Fit( node, door );
		}
	}
}