extends RefCounted

## Medical ward furnishings at the established 16px scale. Cosmetic levels
## describe the existing FacilityInstance.level; no treatment or upgrade rule.
const Layout := preload("res://scripts/ui/room_presentation.gd")
const INK := Color("34413b")
const WOOD := Color("8e6348")
const WOOD_LIGHT := Color("c39665")
const LINEN := Color("eee5c9")

static func draw_room(canvas: CanvasItem, rect: Rect2, p: float, back: bool, level: int, dungeon: Texture2D) -> void:
	var tier := clampi(level, 1, 3)
	var frame := Color("8fa5a2") if back else WOOD_LIGHT
	var cover := Color("729e96") if back else Color("86b3a8")
	var wall := Color("acb9a5") if back else Color("d4c7a5")
	# Medicine occupies only the upper 13px. All established patient anchors
	# remain available, including the rotated 2x4 footprint and narrow zooms.
	canvas.draw_rect(Rect2(rect.position+Vector2(1,2)*p, Vector2(rect.size.x-2*p,12*p)),wall)
	var cabinet_width := maxf(6, minf(20, floorf((rect.size.x/p-6)/3)))
	for side: int in 2:
		var x := rect.position.x+2*p if side==0 else rect.end.x-(cabinet_width+2)*p
		canvas.draw_rect(Rect2(x,rect.position.y+2*p,cabinet_width*p,11*p),INK)
		canvas.draw_rect(Rect2(x+p,rect.position.y+3*p,(cabinet_width-2)*p,9*p),frame)
		canvas.draw_rect(Rect2(x+2*p,rect.position.y+4*p,(cabinet_width-4)*p,5*p),Color("577e77"))
		canvas.draw_rect(Rect2(x+p,rect.position.y+9*p,(cabinet_width-2)*p,p),LINEN)
		if dungeon != null:
			# Existing Tiny Dungeon CC0 blue/green bottles, exact packed indices.
			var index := 113+side
			canvas.draw_texture_rect_region(dungeon,Rect2(x+(cabinet_width-8)*p/2,rect.position.y+3*p,8*p,8*p),Rect2((index%12)*16,(index/12)*16,16,16))
		if tier >= 2:
			canvas.draw_rect(Rect2(x+2*p,rect.position.y+10*p,(cabinet_width-4)*p,p),WOOD)
			canvas.draw_rect(Rect2(x+cabinet_width*p/2,rect.position.y+10*p,p,p),LINEN)
		if tier >= 3:
			canvas.draw_rect(Rect2(x,rect.position.y+2*p,cabinet_width*p,p),Color("d6ad52"))
			canvas.draw_rect(Rect2(x+2*p,rect.position.y+5*p,p,3*p),Color("c3d1c5"))
	var mid := rect.get_center().x
	canvas.draw_rect(Rect2(mid-3*p,rect.position.y+3*p,6*p,9*p),INK)
	canvas.draw_rect(Rect2(mid-2*p,rect.position.y+4*p,4*p,7*p),LINEN)
	canvas.draw_rect(Rect2(mid,rect.position.y+6*p,p,4*p),Color("52836c"))
	canvas.draw_rect(Rect2(mid-p,rect.position.y+5*p,3*p,2*p),cover)
	if tier >= 3:
		canvas.draw_rect(Rect2(mid-3*p,rect.position.y+3*p,6*p,p),Color("d6ad52"))
	for anchor: Vector2 in Layout.slots(rect,p,&"infirmary"):
		var at := anchor+Vector2(-7,-9)*p
		canvas.draw_rect(Rect2(at+Vector2(0,2)*p,Vector2(13,7)*p),INK)
		canvas.draw_rect(Rect2(at+Vector2(1,2)*p,Vector2(11,4)*p),LINEN)
		canvas.draw_rect(Rect2(at+Vector2(5,2)*p,Vector2(7,5)*p),cover)
		canvas.draw_rect(Rect2(at,Vector2(1,10)*p),frame)
		canvas.draw_rect(Rect2(at+Vector2(12,5)*p,Vector2(1,5)*p),frame)
		canvas.draw_rect(Rect2(at+Vector2(2,2)*p,Vector2(3,2)*p),Color("fff0d6"))
		if tier >= 2:
			canvas.draw_rect(Rect2(at+Vector2(5,4)*p,Vector2(7,1)*p),LINEN)
		if tier >= 3:
			canvas.draw_rect(Rect2(at+Vector2(6,6)*p,Vector2(6,1)*p),Color("c3d1c5"))