combat_component.gd

extends Node

# =========================================================
# STATS
# =========================================================
@export var max_health = 100
@export var hitstun_duration = 0.2

var current_health = 0
var is_stunned = false
var stun_timer = 0.0

var body: CharacterBody2D


# =========================================================
# INIT
# =========================================================
func _ready():
	print("\n[COMBAT] READY:", get_parent())

	body = get_parent()
	current_health = max_health

	print("[COMBAT] HP:", current_health)


# =========================================================
# FRAME LOOP
# =========================================================
func _process(delta):

	if is_stunned:
		stun_timer -= delta
		print("[COMBAT] stun_timer =", stun_timer)

		if stun_timer <= 0:
			is_stunned = false
			print("[COMBAT] HITSTUN END")


# =========================================================
# DAMAGE
# =========================================================
func take_damage(amount, knockback_dir := Vector2.ZERO, knockback_force := 0.0):
	print("\n[COMBAT] DAMAGE RECEIVED:", amount)

	current_health -= amount
	print("[COMBAT] HP:", current_health)

	apply_hitstun()

	if current_health <= 0:
		die()


# =========================================================
# HITSTUN
# =========================================================
func apply_hitstun():
	is_stunned = true
	stun_timer = hitstun_duration
	print("[COMBAT] HITSTUN START:", hitstun_duration)


# =========================================================
# KNOCKBACK DEBUG SAFE
# =========================================================
func apply_knockback(dir: Vector2, force: float):
	if body == null:
		print("[COMBAT] No body reference")
		return

	print("[COMBAT] Knockback attempted")

	if "knockback_velocity" in body:
		body.knockback_velocity = dir * force
	elif "external_velocity" in body:
		body.external_velocity = dir * force


# =========================================================
# DEATH
# =========================================================
func die():
	print("[COMBAT] DIE")
	get_parent().queue_free()


# =========================================================
# STATE CHECK
# =========================================================
func can_act() -> bool:
	return not is_stunned