namespace AdvancedMappingTools;
public sealed partial class RoadSettings
{
	[Property, Group( "Directional Lanes" ), WideMode]
	public bool CustomDirectionWidths { get; set; }

	[Property, Group( "Directional Lanes" ), Title( "Forward Lane Width" ), Range( 48, 256, slider: false ), WideMode]
	public float ForwardWidth { get; set; } = 108;

	[Property, Group( "Directional Lanes" ), Title( "Reverse Lane Width" ), Range( 48, 256, slider: false ), WideMode]
	public float ReverseWidth { get; set; } = 108;

	[Property, Group( "Sidewalks" ), WideMode]
	public bool SeparateSidewalkWidths { get; set; }

	[Property, Group( "Sidewalks" ), Range( 8, 1024, slider: false ), WideMode]
	public float LeftWalkWidth { get; set; } = 72;

	[Property, Group( "Sidewalks" ), Range( 8, 1024, slider: false ), WideMode]
	public float RightWalkWidth { get; set; } = 72;
	public float RightLaneWidth => CustomDirectionWidths ? Math.Clamp( ForwardWidth, 48, 256 ) : LaneWidth;
	public float LeftLaneWidth => CustomDirectionWidths ? Math.Clamp( ReverseWidth, 48, 256 ) : LaneWidth;
	public int ForwardLanes => OneWay ? Lanes : (Lanes + 1) / 2;
	public float DrivenWidth => ForwardLanes * RightLaneWidth + (Lanes - ForwardLanes) * LeftLaneWidth;

	public float LaneCenter( int index )
	{
		var right = -(DrivenWidth + (Divider != RoadDivider.None ? DividerWidth : 0)) * .5f;
		return index < ForwardLanes ? right + (index + .5f) * RightLaneWidth : right + ForwardLanes * RightLaneWidth + (Divider != RoadDivider.None ? DividerWidth : 0) + (index - ForwardLanes + .5f) * LeftLaneWidth;
	}

	RoadSide ExpandedSide( bool left )
	{
		var side = Side( left ? LeftCurb : RightCurb, left ? LeftSidewalk : RightSidewalk );
		if ( SeparateSidewalkWidths && side.Sidewalk > 0 )
			side.Sidewalk = Math.Clamp( left ? LeftWalkWidth : RightWalkWidth, 8, 1024 );
		return side;
	}
}