namespace AdvancedMappingTools;

/// <summary>
/// Draws a power line. Poles stand at the spacing and on every corner, the crossarm carries
/// the wires, and the wires hang between the poles.
/// </summary>
[ToolCategory( "Street" )]
[Title( "Power Line" ), Icon( "power" )]
public sealed class PowerLineEditor : PathEditor
{
	readonly PowerLineGenerator _generator = new();

	public PowerLineEditor( PrimitiveTool tool ) : base( tool ) { }

	public PowerLineSettings Settings { get; } = new();

	public override object ExtraSettings => Settings;

	protected override int MinPoints => 2;

	protected override bool PlacesObjects => true;

	protected override bool AllowsHeight => true;

	protected override bool SnapsToLines => true;

	protected override bool Connects => true;

	protected override bool UsesBends => false;

	protected override IEnumerable<string> Hints =>
	[
		"Click: place a point",
		"Every corner gets a pole",
		"Enter: create, Esc: stop"
	];

	protected override void BuildMesh( MeshKit kit ) { }

	void Prepare()
	{
		Settings.Path = Curve();
		Settings.PoleMaterial = PartTool.Pick( Settings.PoleMaterial, SurfaceMaterial );
		Settings.WireMaterial = PartTool.Pick( Settings.WireMaterial, TrimMaterial );
	}

	protected override PolygonMesh BuildPreview()
	{
		Prepare();

		return PartService.Plan( _generator, Settings ).Flatten( new Transform( Vector3.Zero, Rotation.Identity ) );
	}

	protected override void PlaceObjects()
	{
		Prepare();
		PartTool.Place( _generator, Settings, new Transform( Vector3.Zero, Rotation.Identity ) );
	}
}