using Sandbox.Audio;

namespace Clover.Components;

[Title( "Footsteps" )]
[Category( "Clover/Components" )]
public class Footsteps : Component
{
	[Property] SkinnedModelRenderer Source { get; set; }

	protected override void OnEnabled()
	{
		if ( !Source.IsValid() )
			return;

		Source.OnFootstepEvent += OnEvent;
	}

	protected override void OnDisabled()
	{
		if ( !Source.IsValid() )
			return;

		Source.OnFootstepEvent -= OnEvent;
	}

	TimeSince timeSinceStep;

	private void OnEvent( SceneModel.FootstepEvent e )
	{
		if ( timeSinceStep < 0.1f )
			return;

		// Log.Info( "Footstep event" );

		var tr = Scene.Trace
			.Ray( e.Transform.Position + Vector3.Up * 20, e.Transform.Position + Vector3.Up * -20 )
			.WithTag( "terrain" )
			.Run();

		if ( !tr.Hit )
			return;

		if ( tr.Surface is null )
			return;

		timeSinceStep = 0;

		var sound = e.FootId == 0 ? tr.Surface.SoundCollection.FootLeft : tr.Surface.SoundCollection.FootRight;
		if ( sound is null ) return;

		var handle = Sound.Play( sound, tr.HitPosition + tr.Normal * 5 );
		handle.TargetMixer = Mixer.FindMixerByName( "Footsteps" );
		handle.Volume *= e.Volume * 5f;

		Scene.RunEvent<IFootstepEvent>( x => x.OnFootstepEvent( e ) );
	}
}

public interface IFootstepEvent
{
	void OnFootstepEvent( SceneModel.FootstepEvent e );
}