slash.gd

extends Area2D

@export var speed = 700.0
@export var damage = 20
@export var lifetime = 0.1
@export var knockback_strength = 200.0

var direction = Vector2.RIGHT
var source = null
var already_hit = false


func _ready():
	print("[PROJECTILE] SPAWNED")
	print("[PROJECTILE] direction:", direction)

	$Timer.wait_time = lifetime
	$Timer.start()

	# safety: ensure signal is connected
	if not body_entered.is_connected(_on_body_entered):
		body_entered.connect(_on_body_entered)


func _process(delta):
	position += direction * speed * delta


func _on_body_entered(body):
	if already_hit:
		return

	if body == source:
		return

	print("[PROJECTILE] HIT:", body.name)

	var combat = body.get_node_or_null("CombatComponent")

	if combat != null:
		already_hit = true

		var knock_dir = direction
		var diff = body.global_position - global_position

		if diff.length() > 0.001:
			knock_dir = diff.normalized()

		combat.take_damage(damage, knock_dir, knockback_strength)

	queue_free()


func _on_timer_timeout():
	queue_free()