extends CharacterBody3D

@export var move_speed: float = 5.0
@export var gravity: float = 9.8

var camera_rig: Node3D

@onready var sprite: AnimatedSprite3D = $AnimatedSprite3D
# Nur in world/island.tscn vorhanden, nicht in diesem Debug-Prototyp -> optional
@onready var equipment: Equipment = get_node_or_null("Equipment")

func _ready() -> void:
	camera_rig = get_tree().get_first_node_in_group("camera_rig")
	if camera_rig == null:
		push_error("CameraRig nicht gefunden! Gruppe 'camera_rig' gesetzt?")
		
func _physics_process(delta: float) -> void:
	# Bewegung sperren während Interaction
	if InteractionManager.active:
		velocity = Vector3.ZERO
		return
	# Schwerkraft
	if not is_on_floor():
		velocity.y -= gravity * delta

	# Eingabe
	var input_dir = Vector2(
		Input.get_axis("move_left", "move_right"),
		Input.get_axis("move_forward", "move_backward")
	)

	if input_dir != Vector2.ZERO:
		var cam_basis = camera_rig.global_transform.basis
		var forward = -cam_basis.z
		var right = cam_basis.x
		forward.y = 0
		right.y = 0
		forward = forward.normalized()
		right = right.normalized()

		var move_dir = (forward * -input_dir.y + right * input_dir.x).normalized()
		velocity.x = move_dir.x * move_speed
		velocity.z = move_dir.z * move_speed

		_update_animation(input_dir)
	else:
		velocity.x = move_toward(velocity.x, 0, move_speed)
		velocity.z = move_toward(velocity.z, 0, move_speed)
		sprite.play("idle")

	move_and_slide()

func _update_animation(input_dir: Vector2) -> void:

	if input_dir.y > 0.1:
		sprite.play("move_down")
	elif input_dir.y < -0.1:
		sprite.play("move_up")
	elif input_dir.x > 0.1:
		sprite.play("move_right")
	elif input_dir.x < -0.1:
		sprite.play("move_left")
	else:
		sprite.play("idle")