extends Area2D
class_name Cursor

## A [CharacterBody2D] syncing its position with the mouse on each physics timestep.


signal dragged(node: Draggable)
signal dropped(node: Draggable)


@onready var game := MainGame.get_via_group(self)


static func get_via_group(node: Node) -> MainGame:
	var result = node.get_tree().get_nodes_in_group("cursor")
	if result.is_empty():
		return null
	return result[0]


func find_closest_target() -> Draggable:
	var bodies = get_overlapping_bodies()
	var min_distance: float = INF
	var to_drag: Node = null
	for body in bodies:
		for target in body.find_children("Draggable", "Draggable", false, false):
			var distance = position.distance_to(target.position)
			if distance < min_distance:
				min_distance = distance
				to_drag = target
	return to_drag


func _physics_process(_delta: float) -> void:
	position += (game.camera.get_global_mouse_position() - global_position)