extends Node
# @onready var game: Node2D = $".."

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

@onready var player: CharacterBody2D = $"../CharacterBody2D"
@onready var ui: Control = $"../CanvasLayer/ui"

var theBullet = preload("res://scenes/bullet.tscn")
var bulletArray:Array = []

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	var totalCrates = 0
	GameController.reset()
	GameController.destroyBox.connect(boxDestroy)
	for obj in crates.get_children():
		if obj.is_in_group("destructables"):
			totalCrates += 1
	GameController.countCrates(totalCrates)
			
	var totalCoins = 0
	for obj in coins.get_children():
		if obj.is_in_group("collectibles"):
			totalCoins += 1
			obj.coinCollected.connect(GameController.coinCollected)
	GameController.countCoins(totalCoins)
	
	var totalEnemies = 0
	for obj in enemies.get_children():
		if obj.is_in_group("enemies"):
			totalEnemies += 1
			obj.playerHurt.connect(GameController.playerDamaged)
	GameController.countBadGuys(totalEnemies)

	GameController.countCrates(totalCrates)
	
	# Player interactions
	GameController.playerHurt.connect(player.hurtPlayer)
	GameController.playerDeath.connect(player.killPlayer)
	# Subscribe to signals
	GameController.levelComplete.connect(changeLevel)
	player.deathAnimDone.connect(GameController.playerDead)
	
	GameController.tick.connect(ui.timerUpdate)
	GameController.playerHurt.connect(ui.healthUpdate, ConnectFlags.CONNECT_DEFERRED)
	GameController.coinsUpdate.connect(ui.coinsUpdate)

	GameController.reset()
	
	
func changeLevel(level):
	print("New 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 = theBullet.instantiate()
		myBullet.connect("hit", onBulletHit)
		owner.add_child(myBullet)
	else:
		myBullet = bulletArray.pop_back()
		
	bulletArray.push_front(myBullet)
	print("there are ", bulletArray.size(), " bullets")
	return myBullet
	
func makeBullet(position, speed):
	var myBullet = bulletFactory()
	myBullet.transform = position
	myBullet.setSpeed(speed)
	
	return
		
func onBulletHit(bullet, body):
	bullet.position = Vector2(-100, -100)
	bullet.setSpeed(0)
	print("Scene manager knows bullet hit")
	GameController.bulletHit(body)
	
func boxDestroy(body):
	print("sceneMgr knows body destroyed")
	body.queue_free()