class_name GameController extends Node2D

var crateTotal=0
signal destroySignal(body)
signal teleportSignal(body)
signal levelChangeSignal(level)
var currentScene:String="res://scenes/game.tscn"

var timer := Timer.new()
var timeAvailable := 10
var levels=["res://scenes/game.tscn","res://scenes/level2.tscn","res://scenes/level3.tscn"]
var timers =[15, 10, 8]
var currentLevel=0
var coinsCollected=0

var playerHealth=100
var playerStartingHealth =100

var enemiesDict={}




# 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", secondCounter)
	timer.start()
	
func reset() -> void:
	timeAvailable =timers[currentLevel]
	playerHealth=playerStartingHealth

func secondCounter()-> void:
	timeAvailable -=1
	if timeAvailable <=0:
		print("YOU LOSE!!")
		levelChangeSignal.emit(levels[currentLevel])
	
		
	
# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	pass


func _on_trigger(body: Variant,effect,trigger) -> void:
	print("GC knows trigger..."+effect)
	if body is Crate:
		match effect:
			"destroy":
				destroySignal.emit(body)
			
			"teleport":
				print("GC teleport an object")
				teleportSignal.emit(body)
			
			"powerup":
				print("GC knows powerup")
				timeAvailable +=5
				
	if body is Player:
		match effect:
			"powerup":
				print("GC knows powerup")
				timeAvailable +=5
				destroySignal.emit(trigger)

					
func crateUpdate(cratesAmount) ->void:
	crateTotal=cratesAmount
	print("GC updated crates: " +str(crateTotal))
	if crateTotal <=0:
		print("you win")
		currentLevel +=1
		if currentLevel >= levels.size():
			currentLevel=0
		levelChangeSignal.emit(levels[currentLevel])

func bulletDamage(body:Node2D,bullet:Bullet) -> void:
	if body is Crate:
		# destroy Crate
		destroySignal.emit(body)
		destroySignal.emit(bullet)
	if body is Slime: 
		enemiesDict[body]["health"] -=10
		if enemiesDict[body]["health"] <=0:
			destroySignal.emit(body)
		destroySignal.emit(bullet)
		

func _on_coin_collected(body:Node2D, coin:Coin) -> void:
	print("GC knows coin collected")
	coinsCollected +=1
	destroySignal.emit(coin)
	
	
func totalCoins(value) -> void:
	print("GC knows coin remaining " + str(value))
	if value <=0:
		# no coins left in level
		levelChangeSignal.emit(levels[currentLevel]) 
	
func _on_slime_damage(body:Node2D, slime:Slime) -> void:
	playerHealth -=enemiesDict[slime]["damage"]
	print("GC knows damage "+str(enemiesDict[slime]["damage"]))
	print("GC knows slime damage to player "+ str(playerHealth))
	if playerHealth <=0:
		print("You are dead")
		levelChangeSignal.emit(levels[currentLevel])


func addEnemyToLevel(slime:Slime)-> void:
	var randDamage:int=randi()%10
	var enemyStat ={
		"health": 50,
		"damage": randDamage
	}
	
	#put it in dictionary
	enemiesDict[slime]=enemyStat