extends CanvasLayer

@export var side_change_speed: float = 15

var _side: float

@onready var _base: Control = $CursorBase
# @onready var _circle: Control = $CursorBase/CursorCircle
@onready var _bat: Control = $CursorBase/CursorBat


func _ready() -> void:
	Input.mouse_mode = Input.MOUSE_MODE_HIDDEN


func _process(delta: float) -> void:
	if not Referencer.player or not Referencer.main_camera:
		var mouse_pos := get_viewport().get_mouse_position()
		_base.position = mouse_pos - _base.size / 2
		_bat.visible = false
		return
	_bat.visible = true

	var player := Referencer.player

	var cursor_pos_world := player.attack.global_position + player.aiming.aim_offset
	var cursor_pos_screen := Referencer.main_camera.unproject_position(cursor_pos_world)
	_base.position = cursor_pos_screen - _base.size / 2

	_side = lerpf(
		_side,
		(PI / 2.0) * (1.0 if player.attack.side == PlayerAttack.Side.LEFT else -1.0),
		side_change_speed * delta
	)

	var rotation_point_world := (
		cursor_pos_world
		+ player.aiming.aim_offset.normalized().rotated(Vector3.UP, _side)
	)
	var rotation_point_screen := Referencer.main_camera.unproject_position(
		rotation_point_world
	)

	var angle := cursor_pos_screen.angle_to_point(rotation_point_screen)
	_bat.rotation = angle