using System.Collections.Generic;

namespace Sunless.Architecture;

// Written out on first use and read back; a file on disk beats this table.
public static class ArchBridgeTypes
{
	public static List<ArchBridgeType> Defaults()
	{
		return new List<ArchBridgeType> { Overpass(), Flyover(), Footbridge(), Causeway() };
	}

	static ArchBridgeType Overpass()
	{
		return new ArchBridgeType
		{
			Name = "overpass",
			Title = "Overpass",
			Description = "Concrete beam over a dual carriageway - one blade pier in the median, cast upstand, steel guardrail.",
			Icon = "linear_scale",
			Deck = new ArchBridgePart
			{
				Slab = 16f,
				Girder = 54f,
				EdgeBeam = 10f,
				Ribs = 4,
				BentSpacing = 720f,
				Pier = PierStyle.Blade,
				PierDepth = 42f,
				Batter = 0f,
				Headstock = 26f,
				Abutments = true,
				AbutmentDepth = 84f,
				WingWall = 168f,
				// Splayed hard - near-parallel would read as walls, not as holding the fill back.
				WingSplay = 45f,
				Upstand = 15f,
				UpstandWidth = 18f,
				Parapet = true,
				Barrier = new ArchBarrierSpec
				{
					Style = BarrierStyle.Guardrail,
					Ground = BarrierGround.Follow,
					Height = 40f,
					PanelLength = 144f,
					PostSize = 5f,
					Rails = 2
				}
			}
		};
	}

	static ArchBridgeType Flyover()
	{
		return new ArchBridgeType
		{
			Name = "flyover",
			Title = "Flyover",
			Description = "Long freeway ramp on paired round columns, wide spans, cast upstand and guardrail.",
			Icon = "trending_up",
			Deck = new ArchBridgePart
			{
				Slab = 16f,
				Girder = 66f,
				EdgeBeam = 12f,
				Ribs = 5,
				BentSpacing = 960f,
				Pier = PierStyle.Columns,
				Columns = 2,
				PierWidth = 54f,
				PierDepth = 54f,
				Batter = 2f,
				Headstock = 30f,
				Abutments = true,
				AbutmentDepth = 96f,
				WingWall = 192f,
				WingSplay = 42f,
				Upstand = 15f,
				UpstandWidth = 18f,
				Parapet = true,
				Barrier = new ArchBarrierSpec
				{
					Style = BarrierStyle.Guardrail,
					Ground = BarrierGround.Follow,
					Height = 42f,
					PanelLength = 144f,
					PostSize = 5f,
					Rails = 2
				}
			}
		};
	}

	// Nothing about it is a road structure - so no headstocks or wing walls.
	static ArchBridgeType Footbridge()
	{
		return new ArchBridgeType
		{
			Name = "footbridge",
			Title = "Footbridge",
			Description = "Thin slab over a single central column per span, tube railing, no wing walls.",
			Icon = "directions_walk",
			Shows = new List<ArchBridgeGroup> { ArchBridgeGroup.Deck, ArchBridgeGroup.Spans, ArchBridgeGroup.Pier, ArchBridgeGroup.Parapet },
			Deck = new ArchBridgePart
			{
				Slab = 9f,
				Girder = 20f,
				EdgeBeam = 4f,
				Ribs = 2,
				BentSpacing = 480f,
				Pier = PierStyle.Piers,
				Columns = 1,
				PierWidth = 26f,
				PierDepth = 26f,
				Batter = 1f,
				Headstock = 10f,
				Abutments = true,
				AbutmentDepth = 36f,
				WingWall = 0f,
				Upstand = 4f,
				UpstandWidth = 6f,
				Parapet = true,
				Barrier = new ArchBarrierSpec
				{
					Style = BarrierStyle.PostAndRail,
					Ground = BarrierGround.Follow,
					Height = 48f,
					PanelLength = 96f,
					PostSize = 3f,
					Rails = 3
				}
			}
		};
	}

	static ArchBridgeType Causeway()
	{
		return new ArchBridgeType
		{
			Name = "causeway",
			Title = "Causeway",
			Description = "Short spans on rows of stubby piers, low over the water, precast parapet.",
			Icon = "waves",
			Shows = new List<ArchBridgeGroup> { ArchBridgeGroup.Deck, ArchBridgeGroup.Spans, ArchBridgeGroup.Pier, ArchBridgeGroup.Parapet },
			Deck = new ArchBridgePart
			{
				Slab = 14f,
				Girder = 26f,
				EdgeBeam = 6f,
				Ribs = 2,
				BentSpacing = 300f,
				Pier = PierStyle.Piers,
				Columns = 3,
				PierWidth = 30f,
				PierDepth = 30f,
				Batter = 2f,
				Headstock = 16f,
				Abutments = true,
				AbutmentDepth = 60f,
				WingWall = 96f,
				WingSplay = 40f,
				Upstand = 12f,
				UpstandWidth = 14f,
				Parapet = true,
				Barrier = new ArchBarrierSpec
				{
					Style = BarrierStyle.PrecastSlab,
					Ground = BarrierGround.Level,
					Height = 40f,
					PanelLength = 120f,
					PostSize = 6f,
					Courses = 2,
					PanelThickness = 4f
				}
			}
		};
	}
}