extends Window
class_name Dragon

@export var dragon_speed: float = 20.0

@onready var _actual_position: Vector2 = position
var main_window_rect: Rect2i
@onready var draggable: Draggable = $DragDropDetector

var _walking: bool = false
var _target_pos: Vector2

signal place_back(dragon: Dragon)


func on_place_back() -> void:
	place_back.emit(self)


func _process(delta: float) -> void:
	if draggable.dragging:
		_actual_position = position
		return
	
	if not _walking:
		_pick_random_screen_position()
	
	_move_to_target(delta)


func _move_to_target(delta: float):
	if _actual_position.distance_to(_target_pos) > 10.0:
		var direction: Vector2 = (_target_pos - _actual_position).normalized()
		_actual_position += dragon_speed * direction * delta
		position = _actual_position


func _pick_random_screen_position() -> void:
	_walking = true
	_target_pos = Vector2i(10, 10)