extends Node
class_name GameManager


@export var dragon_template: PackedScene
@export var dragon_ingame: PackedScene
@export var dragon_spots: Array[Node2D]

var _instantiator: DragonInstantiator


func _ready():
	_instantiator = DragonInstantiator.new(dragon_template, get_viewport(), get_window())
	
	await get_tree().process_frame
	move_window_to_bottom_right()


func move_window_to_bottom_right():
	var display_index: int = DisplayServer.window_get_current_screen()

	var work_area_position: Vector2i = DisplayServer.screen_get_usable_rect(display_index).position
	var work_area_size: Vector2i     = DisplayServer.screen_get_usable_rect(display_index).size

	var window_size: Vector2i = Vector2i(work_area_size.y / 4 * 1.77777, work_area_size.y / 4)

	var new_position: Vector2i = work_area_position + Vector2i(work_area_size.x - window_size.x, work_area_size.y - window_size.y)

	DisplayServer.window_set_size(window_size)
	DisplayServer.window_set_position(new_position)


func add_dragon(hat: Texture2D, shirt: Texture2D, shoes: Texture2D):
	# TODO: Check for free positon
	_instantiate_dragon_ingame(dragon_spots[0].position, hat, shirt, shoes)
	# TODO: Add to dragon library


func _instantiate_dragon_ingame(position: Vector2, hat: Texture2D, shirt: Texture2D, shoes: Texture2D):
	var dragon: DragonEntity = dragon_ingame.instantiate()
	dragon.dress(hat, shirt, shoes)
	add_child(dragon)
	dragon.position = position
	dragon.on_pick.connect(_pick_dragon)


func _pick_dragon(position: Vector2, hat: Texture2D, shirt: Texture2D, shoes: Texture2D):
	var dragon: Dragon = _instantiator.instantiate(position, hat, shirt, shoes)
	dragon.place_back.connect(_dragon_place_back)
	add_child(dragon)


func _dragon_place_back(dragon: Dragon):
	print(dragon)