class_name PlayerCursor
extends CanvasLayer

@export var _side_change_speed: float = 15
@export var _screen_inset: float = 100

@export_group("References")
@export var _base: Control
@export var _bat: Control
@export var _arrow: Control

var _side: float = 0


func handle_cursor(player: Player, delta: float) -> void:
	var cursor_pos_world := player.attack.global_position + player.aimer.aim_offset
	var cursor_pos_screen := MainCamera.instance.unproject_position(cursor_pos_world)

	var clamp_corner_min := Vector2.ZERO
	var clamp_corner_max := get_viewport().get_visible_rect().size
	if player.input_mode_is(Inputer.Mode.CONTROLLER):
		clamp_corner_min += Vector2(_screen_inset, _screen_inset)
		clamp_corner_max -= Vector2(_screen_inset, _screen_inset)

	_base.position = (
		cursor_pos_screen.clamp(clamp_corner_min, clamp_corner_max) - _base.size / 2
	)

	_side = lerpf(
		_side as float,
		(PI / 2.0) * (1.0 if player.attack.side == PlayerAttacker.Side.LEFT else -1.0),
		_side_change_speed * delta
	)

	var aim_offset_normalized := player.aimer.aim_offset.normalized()
	var bat_rotation_point_screen := MainCamera.instance.unproject_position(
		cursor_pos_world + aim_offset_normalized.rotated(Vector3.UP, _side as float)
	)
	var arrow_rotation_point_screen := MainCamera.instance.unproject_position(
		cursor_pos_world + aim_offset_normalized
	)

	_bat.rotation = cursor_pos_screen.angle_to_point(bat_rotation_point_screen)
	_arrow.rotation = (
		cursor_pos_screen.angle_to_point(arrow_rotation_point_screen) + PI / 2
	)

	_base.modulate = player.cursor_color
	if player.input_mode_is(Inputer.Mode.KB_MOUSE):
		_base.position = (get_viewport().get_mouse_position() - _base.size / 2)