extends Node


@onready var crates: Node2D = $"../crates"
@onready var triggers: Node2D = $"../triggers"
@onready var coins: Node2D = $"../coins"
@onready var enemies: Node2D = $"../enemies"
@onready var player: Player = $"../CharacterBody2D"

var bullet = preload("res://scenes/bullet.tscn")
var bulletArray=[]
var totalAllowedBullets = 7

func buildLevel()->void:
	Gamecontroller.reset()
	#count crates
	
	# tell the game controller
	Gamecontroller.numberOfCrates( countCrates() )
	if triggers:
		for obj in triggers.get_children():
			if obj is Trigger:
				obj.triggerFired.connect(Gamecontroller._on_trigger_fired)
	# coins
	if coins:
		for obj in coins.get_children():
			if obj is Coin:
				obj.coinCollectedSignal.connect(Gamecontroller._on_coin_collected)
				
	# enemies
	if enemies:
		for obj in enemies.get_children():
			if obj is Slime:
				obj.playerDamageSignal.connect(Gamecontroller._on_player_damage)
				
	#Wire up signals
	Gamecontroller.levelCompleteSignal.connect(loadLevel)
	Gamecontroller.destroySignal.connect(destroy)
	Gamecontroller.playerDamage.connect(player._player_damage)
	Gamecontroller.playerDeath.connect(player._player_death)
	#player connection
	player.deathComplete.connect(Gamecontroller.death)
	
func countCrates()->int:
	var totalCrates = 0
	for obj in crates.get_children():
		if obj is Crate:
			totalCrates +=1
	return totalCrates
	
func _ready() -> void:
	buildLevel()
	
func bulletFactory():
	var mybullet
	if bulletArray.size() < totalAllowedBullets:
		#new bullet
		mybullet = bullet.instantiate()
		mybullet.connect("bulletHit", Gamecontroller.bulletDamage)
		owner.add_child(mybullet)
	else:
		#recycled bullet
		mybullet = bulletArray.pop_back()
	
	bulletArray.push_front(mybullet)
	return mybullet
	
func makeBullet(position, speed):
	print("Scene manager makes a bullet")
	var mybullet = bulletFactory()
	mybullet.setSpeed(speed)
	mybullet.transform = position
	
func loadLevel(level):
	get_tree().call_deferred("change_scene_to_file", level)

func destroy(body):
	if body is Crate:
		Gamecontroller.numberOfCrates( countCrates() -1 )
	body.queue_free()