extends Node2D

@onready var positions = $Positions
@onready var collision = $CollisionTest

var lastDirection = null

func getPositions():
	return positions.get_children()

func checkDirection():
	var leftCollision = true
	var rightCollision = true
	positions.position.x = 0
	collision.position.x = 0
	if await getCollidingAreas() != []:
		positions.position.x += GLOBAL.GRID
		collision.position.x += GLOBAL.GRID
		if await getCollidingAreas() == []:
			rightCollision = false
		else:
			rightCollision = true
	positions.position.x = 0
	collision.position.x = 0
	if await getCollidingAreas() != []:
		positions.position.x -= GLOBAL.GRID
		collision.position.x -= GLOBAL.GRID
		if await getCollidingAreas() == []:
			leftCollision = false
		else:
			leftCollision = true
	positions.position.x = 0
	collision.position.x = 0
	if not rightCollision:
		positions.position.x += GLOBAL.GRID
		collision.position.x += GLOBAL.GRID
	elif not leftCollision:
		positions.position.x -= GLOBAL.GRID
		collision.position.x -= GLOBAL.GRID
	else: 
		positions.position.x = 0
		collision.position.x = 0

func turn(direction,newPosition):
	positions.position.x = 0
	collision.position.x = 0
	position = newPosition
	match direction:
		GLOBAL.Direction.LEFT:
			positions.rotation_degrees += 90
			collision.rotation_degrees += 90
			if await getCollidingAreas() != []:
				checkDirection()
				if await getCollidingAreas() != []:
					positions.rotation_degrees += 90
					collision.rotation_degrees += 90
			
		GLOBAL.Direction.RIGHT:
			positions.rotation_degrees -= 90
			collision.rotation_degrees -= 90
			if await getCollidingAreas() != []:
				checkDirection()
				if await getCollidingAreas() != []:
					positions.rotation_degrees -= 90
					collision.rotation_degrees -= 90
				#positions.rotation_degrees += 90
				#collision.rotation_degrees += 90
	


func getCollidingAreas():
	await get_tree().process_frame
	await get_tree().process_frame
	await get_tree().process_frame
	await get_tree().process_frame
	var collidingAreas = []
	for i in collision.get_overlapping_areas():
		if i.is_in_group("Block"):
			if i.UID != GLOBAL.currentUID:
				collidingAreas.append(i)
		else:
			collidingAreas.append(i)
	return collidingAreas


#func _on_collision_test_area_entered(area: Area2D) -> void:
	#if lastDirection == null:
		#checkLeft()
	#else:
		#if lastDirection == GLOBAL.Direction.LEFT:
			#print(getCollidingAreas())
			#checkRight()
		#if lastDirection == GLOBAL.Direction.LEFT:
			#print(getCollidingAreas())
	#print(collision.get_overlapping_areas())
	#print(getCollidingAreas())
	#print(checkLeft())
	#print(checkRight())

func reset(newPosition):
	position = newPosition
	positions.position.x = 0
	collision.position.x = 0
	rotation_degrees = 0