class_name GameController extends Node2D
signal destroySignal(body)
signal fanTriggerSignal(body, fanDirection)
signal teleportTriggerSignal(body)
signal playerDamagedSignal(currentHealth,maxHealth)
signal playerDeathSignal

var numberOfCrates = 2
var timeAvailable = 50

var totalCoinsCollected = 0
var timer = Timer.new()

var enemiesDict={}
var playerStartingHealth = 100
var playerHealth = 100

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	get_window().grab_focus()
	add_child(timer)
	timer.wait_time = 1
	timer.one_shot = false
	timer.connect("timeout", countdown)
	timer.start()

func countdown()->void:
	# reduce time left
	timeAvailable-=1
	if timeAvailable<=0 and numberOfCrates>0:
		print("LOOOOOSAH")
		playerDeathSignal.emit()
		
# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	pass


func _on_trigger(body: Variant, trigger: Variant, intent:String) -> void:
	print("GC knows trigger fired")
	match intent:
		"destroy":
			if body is RigidBody2D:
				destroySignal.emit(body)
		"fan":
			print("do a fan effect")
			fanTriggerSignal.emit(body,Vector2(0,-1)*100*9)
		"teleport":
			print("do a teleport")
			teleportTriggerSignal.emit(body)
		
func crateTotal(howmany):
	numberOfCrates = howmany
	print("GC knows about crates: "+str(numberOfCrates))
	if numberOfCrates == 0:
		print("YOU WON!!!")
		get_tree().reload_current_scene()
func coinCollected(body,coin)->void:
	totalCoinsCollected +=1
	print("GC knows coin collected")
	destroySignal.emit(coin)
	
func coinTotal(totalAmount)->void:
	print("GC knows total coins "+str(totalAmount))
	
func bulletDamage(body, _bullet)->void:
	print("bullet hit")
	if body.is_in_group("shootable"):
		if body is Crate:
			destroySignal.emit(body)
			destroySignal.emit(_bullet)
		if body is Slime:
			enemiesDict[body]["health"] -= 10
			if enemiesDict[body]["health"]<=0:
				#kill the enemy
				enemiesDict.erase(body)
				destroySignal.emit(body)
			destroySignal.emit(_bullet)
		
func rocketDamage(body, rocket)->void:
	if body.is_in_group("shootable"):
		print("Rocket strikes target!")
		destroySignal.emit(body)

func addEnemyToLevel(enemy:Slime)->void:
	var enemyStat = {
		"health": 30,
		"damage": 20
	}
	enemiesDict[enemy]=enemyStat
	
func _on_slime_damage(body, slime:Slime)->void:
	#remove damage from player health
	print("remove damage from player "+str(enemiesDict[slime]["damage"]))
	playerHealth -= enemiesDict[slime]["damage"]
	if playerHealth <=0:
		print("You DED")
		#send a signal about player death
		playerDeathSignal.emit()
	else:
		print("You damaged")	
		#send a signal about player damage
		playerDamagedSignal.emit(playerHealth,playerStartingHealth)

func loadLevel()->void:
	get_tree().reload_current_scene()