extends Node
@onready var crates: Node2D = $"../crates"
@onready var coins: Node2D = $"../coins"
@onready var enemies: Node2D = $"../enemies"


var bullet = preload("res://scenes/bullet.tscn")
var bulletArray:Array = []
var bulletMadeTotal:= 0
var totalCrates := 0
# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	#give game controller number of crates
	Gamecontroller.destroyBox.connect(boxDestroy)
	for obj in crates.get_children():
		if obj.is_in_group("destructable"):
			#increase box counter
			totalCrates +=1
	var totalCoins = 0
	for obj in coins.get_children():
		if obj.is_in_group("collectibles"):
			totalCoins+=1
			obj.coinCollected.connect(Gamecontroller.coinCollected)
	var totalEnemies = 0
	for obj in enemies.get_children():
		if obj.is_in_group("enemies"):
			totalEnemies += 1
			obj.playerDamage.connect(Gamecontroller.playerDamaged)
	
	Gamecontroller.countCrates(totalCrates)
	
	#subscribe to vital events from the game controller
	Gamecontroller.levelComplete.connect(changeLevel)
	Gamecontroller.reset()

func changeLevel(level):
	get_tree().change_scene_to_file(level)
# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	pass

func bulletFactory():
	print("factory will make a bullet")
	var myBullet
	if bulletArray.size() < 4:
		myBullet = bullet.instantiate()
		myBullet.connect("hit", onBulletHit)
		owner.add_child(myBullet)
	else:
		myBullet = bulletArray.pop_back()
	
	bulletArray.push_front(myBullet)
	return myBullet

func makeBullet(position, speed):
	var myBullet = bulletFactory()
	myBullet.transform = position
	myBullet.setSpeed(speed)
	return myBullet

func onBulletHit(bullet, body):
	bullet.position = Vector2(-100,-100)
	bullet.setSpeed(0)
	
	print("Scene manager knows bullet hit")
	Gamecontroller.bulletHit(body)

func boxDestroy(body):
	body.queue_free()