extends Node3D
class_name Tile

var id = null

#This tile's current construction and selection modes.
@export var construction_mode = 0: set = update_construction
@export var selection_mode = 0: set = update_selection

var orange = preload("res://tiles/base_tile/orange.tres")
var gray = preload("res://tiles/base_tile/gray.tres")
var red = preload("res://tiles/base_tile/red.tres")
var blue = preload("res://tiles/base_tile/blue.tres")
var lightblue = preload("res://tiles/base_tile/lightblue.tres")

#Lists of possible states for various modes.
enum SEL_MODE {NONE, ROOM, BUILD, INVALID}

enum CON_MODE {NONE, NON_INTERACTABLE, CLOSED, OPEN, BUILT, REINFORCED, CONSTRUCTION}

enum FACE_MODE {NONE, FULL, PARTIAL, DOOR}

var direction_vector_dict = {
	"North": Vector3i(0, 0, -1),
	"East": Vector3i(1, 0, 0),
	"South": Vector3i(0, 0, 1),
	"West":	Vector3i(-1, 0, 0),
}

var wall_position_dict = {
	"North": Vector3i(0, 0, 0),
	"East": Vector3i(1, 0, 0),
	"South": Vector3i(1, 0, 1),
	"West": Vector3i(0, 0, 1),
}

var load_wall = preload("res://tiles/base_tile/base_wall.tscn")

@export var grid_pos = null

@export var face_dict = {}: set = update_faces

@export var room = null

var neighbor_dict = []

signal wall_built

signal neighbor_request

func _ready():
	
	
	pass

func save():

	var save_data = {
		"test": "test",
		"position": position,
		"scene_file_path": scene_file_path,
		"parent": get_parent().get_path(),
		"grid_pos": grid_pos,
		"face_dict": face_dict,
		"room": room
	}
	
	return save_data

func update_faces(new_dict):
	
	face_dict = new_dict
	
	for i in $Walls.get_children():
		i.queue_free()
	
	for i in new_dict.keys():
		var direction: String = direction_vector_dict.find_key(i)
		var wall_pos = wall_position_dict[direction]
		var wall = load_wall.instantiate()
		wall.position = wall_position_dict[direction]
		wall.name = str(direction, "Wall")
		match direction:
			"East":
				wall.rotation_degrees = Vector3(0, -90, 0)
			"South":
				wall.rotation_degrees = Vector3(0, -180, 0)
			"West":
				wall.rotation_degrees = Vector3(0, -270, 0)
		$Walls.add_child(wall)

func update_neighbors():
	neighbor_dict = {}
	emit_signal("neighbor_request", self, grid_pos, direction_vector_dict)
	pass

func update_construction(mode):
	
	construction_mode = mode
	
	match mode:
		CON_MODE.NON_INTERACTABLE:
			face_dict = {}
			pass
		
		CON_MODE.CLOSED:
			face_dict = {}
			$Floor/FloorMesh.set_material_override(gray)
			pass
		
		CON_MODE.OPEN:
			face_dict = {}
			pass
	
		CON_MODE.BUILT:
			$Floor/FloorMesh.set_material_override(null)

			update_neighbors()
			
			var temp_face_dict = {}
			
			for i in neighbor_dict.keys():
				if not neighbor_dict[i].room == room:
					#print(neighbor_dict[i].room)
					temp_face_dict[i] = null
			
			face_dict = temp_face_dict.duplicate()
			print(face_dict)
	
		CON_MODE.REINFORCED:
			face_dict = {}
			pass
		
		CON_MODE.CONSTRUCTION:
			pass
	pass

func update_selection(mode):
	match mode:
		SEL_MODE.NONE:
			$Floor/FloorMesh.set_material_overlay(null)
		
		SEL_MODE.ROOM:
			for i in $Walls.get_children():
				i.Mesh.set_material_override(orange)
			
		SEL_MODE.BUILD:
			$Floor/FloorMesh.set_material_overlay(lightblue)
		
		SEL_MODE.INVALID:
			$Floor/FloorMesh.set_material_overlay(orange)

func update_face(direction, mode, door = null):
	print("face update blanked")
	pass
##Updates the faces of this tile.
	#var face = direction_vector_array[direction]
	#
	#
	#
	#match mode:
		#FACE_MODE.NONE:
			#for i in wall_dict.keys():
				#wall_dict[i].queue_free()
				#wall_dict.erase(i)
		#
		#FACE_MODE.FULL:
			#if not wall_dict.has(face):
				#
				#var wall = load_wall.instantiate()
			#
				#wall.position = wall_position_array[direction]
#
				#wall.rotation_degrees = Vector3(0, direction * -90, 0)
				#
				#wall_dict[face] = wall
				#
				#emit_signal("wall_built", room_id)
				#
				#add_child(wall)
			#
		#FACE_MODE.DOOR:
			#wall_dict[face].queue_free()
			#wall_dict.erase(face)
			#wall_dict[face] = door
#
#
func update(sel_mode: int = SEL_MODE.NONE, con_mode: int = CON_MODE.NONE):
	print("update blanked")
	pass
##Updates the selection and construction modes of this tile.
	#
	#if sel_mode != selection_mode:
		#
		#selection_mode = sel_mode
		#
		#match sel_mode:
			#SEL_MODE.NONE:
				#$Floor/FloorMesh.set_material_overlay(null)
			#
			#SEL_MODE.ROOM:
				#for i in $Walls.get_children():
					#i.Mesh.set_material_override(orange)
				#
			#SEL_MODE.BUILD:
				#$Floor/FloorMesh.set_material_overlay(lightblue)
			#
			#SEL_MODE.INVALID:
				#$Floor/FloorMesh.set_material_overlay(orange)
				#
	##if con_mode:
		##if con_mode != construction_mode:
			##
			##construction_mode = con_mode
			##
			##match con_mode:
				##CON_MODE.NON_INTERACTABLE:
					##pass
				##
				##CON_MODE.CLOSED:
					##$Floor/FloorMesh.set_material_override(gray)
					##pass
				##
				##CON_MODE.OPEN:
					##pass
			##
				##CON_MODE.BUILT:
					##$Floor/FloorMesh.set_material_override(null)
					##pass
			##
				##CON_MODE.REINFORCED:
					##pass
				##
				##CON_MODE.CONSTRUCTION:
					##pass