extends Area2D

signal enemy_died()

@export var speed : int = 150

#position where the thing shoots from
@onready var marker = $Marker2D

#sensor location, central just for testing
@onready var ray1 = $RayCast2D

signal missile_spawn()

#health, duh.
var health = 3

#had to add for things that require sensors, going to require moving one for turrets maybe?
#for tutorial https://www.youtube.com/watch?v=V_gaCLbWqzk&ab_channel=KaanAlpar
func _ready():
	ray1.exclude_parent = true
	ray1.collide_with_areas = true
	
	
#setting variable if it can shoot used later.
var can_shoot = true
#testing for the raycast feature.
#func _process(delta):
	#print(ray1.is_colliding())
	#print(ray1.get_collider())

func _physics_process(delta):
	#movement
	global_position.y += speed * delta
	#detecting player in area.
	if ray1.is_colliding and ray1.get_collider() is player:
			if can_shoot == true:
				#shooting
				fire_enemy_laser()
				#starting firing timer so it cant just spam.
				$Firing_timer.start()
				can_shoot = false

func take_damage(damage):
	health -= damage
	if health <= 0:
		$death_timer.start()
		#$AnimatedSprite2D.play("death")
		emit_signal("enemy_died")
		get_tree().current_scene.scored()
		power_up_check()
		#print(str(get_tree().current_scene.player.global_position))
		
	

func fire_enemy_laser():
	get_tree().current_scene.fire_enemy_laser(marker.global_position)

func power_up_check():
	var index = randi() % 51
	
	# 1 - 40 does nothing
	# 40-48 spawns missiles
	# 49 spawns nothing
	# 50 spawns nothing
	
	#1-39+ 40 does nothing.
	if index <= 39:
		pass
	# if greater than or equal to 40, and less than or equal to 48 it spawns stuff
	elif index >= 40 and index <= 48:
		get_tree().current_scene.missile_spawn(marker.global_position)
		
	#get_tree().current_scene.missile_spawn(marker.global_position)
	
func _on_area_entered(area):
	if area is player:
		area.take_damage(1)


func _on_death_timer_timeout():
	queue_free() # Replace with function body.


func _on_firing_timer_timeout():
	can_shoot = true