using System.Collections.Generic;

namespace Sunless.Architecture;

public sealed class ArchWallCatalog : IArchCatalog
{
	public const string Directory = "arch/walls";

	public ArchShelf Shelf => ArchShelf.Walls;

	public string Named( object entry ) => entry is ArchWallPreset preset ? preset.Name : null;

	public IEnumerable<object> Authored()
	{
		return ArchCatalogFiles.Read<ArchWallPreset>( Directory, ".wall.json", preset => preset.Name );
	}

	public bool Save( object entry )
	{
		return entry is ArchWallPreset preset
			&& !string.IsNullOrWhiteSpace( preset.Name )
			&& ArchStorage.WriteDocument( PathFor( preset.Name ), preset );
	}

	public static string PathFor( string name ) => $"{Directory}/{ArchCatalogFiles.Slug( name, "wall" )}.wall.json";

	public IEnumerable<object> Shipped() => Treatments();

	// Height and thickness stay 0 - a preset says how, the room says how big.
	public static List<ArchWallPreset> Treatments()
	{
		return new List<ArchWallPreset>
		{
			new() { Name = "plain" },
			new() { Name = "capped", Cap = true },
			new() { Name = "interior", Exterior = false },
			new() { Name = "wainscot", Exterior = false, Wainscot = true },
			new() { Name = "weatherboard", Cladding = WallCladding.Weatherboard },
			// Brick to dado height with a stripe on the change.
			new()
			{
				Name = "office",
				Cap = true,
				Bands = new List<ArchWallBand> { new() { Height = 44f, Field = ArchSurface.WallBase } }
			},
			// Plinth at the paving, brick line above it, panel over that.
			new()
			{
				Name = "plinth_and_brick",
				Bands = new List<ArchWallBand>
				{
					new() { Height = 12f, Field = ArchSurface.Foundation, CourseHeight = 5f, CourseDepth = 2.4f },
					new() { Height = 60f, Field = ArchSurface.WallBase }
				}
			},
			// The cap is heavier than the string course: it caps a field rather than dividing two.
			new()
			{
				Name = "brick_and_plaster",
				Bands = new List<ArchWallBand>
				{
					new() { Height = 96f, Field = ArchSurface.WallBase, CourseHeight = 3f, CourseDepth = 1.2f },
					new() { AtHead = true, Field = ArchSurface.Panel, Seat = BandSeat.Above, CourseHeight = 14f, CourseDepth = 4.5f }
				}
			},
			// Profiled sheeting on a concrete upstand, frame expressed outside.
			new()
			{
				Name = "industrial",
				Cladding = WallCladding.Profiled,
				Baseboard = false,
				Bands = new List<ArchWallBand> { new() { Height = 24f, Field = ArchSurface.Foundation } },
				Pilasters = new ArchPilasterRun { Bay = 168f, Width = 14f, Depth = 3f }
			}
		};
	}
}