class_name GameController extends Node2D

var crateTotal = 0
signal destroySignal(body)
signal teleportSignal(body)
signal levelChangeSignal(level)

var coinsCollected = 0

var timer := Timer.new()

#add new levels
var levels=["res://scenes/game.tscn","res://scenes/level2.tscn"]
var timers=[16,10]
var currentLevel = 0
var timeAvailable = timers[currentLevel]

var enemiesDict={}
var playerStartingHealth = 50
var playerHealth = 50

# 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()

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

func _on_coin_collected(body:Player, coin:Coin)-> void:
	coinsCollected +=1
	destroySignal.emit(coin)
	
#Any time coins are destroyed, game controller is informed how many left
func totalCoins(value)-> void:
	print(value)
	if value <=0:
		print("You WON!!!")
		currentLevel +=1
		if currentLevel >= levels.size():
			currentLevel = 0
		levelChangeSignal.emit(levels[currentLevel])
	
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)
			
	if body is Player:
		match effect:
			"powerup":
				print("GC knows about powerup")
				timeAvailable +=5
				destroySignal.emit(trigger)
				
func _on_slime_damage(body, slime)->void:
	# print("Slime attacked player for "+str(enemiesDict[slime]["damage"]))
	playerHealth -= enemiesDict[slime]["damage"]
	if playerHealth<=0:
		print("PLAYER KILLED!")
		#reload current level
		levelChangeSignal.emit(levels[currentLevel])
		
func totalEnemies(value)->void:
	print("Number of Enemies: "+str(value))
	
func addEnemyToLevel(slime:Slime)->void:
	#random number up to 10
	var randDamage:int = randi()%10
	var enemyStat = {
		"health":50,
		"damage":randDamage
	}
	#store in the enemy Dictionary
	enemiesDict[slime]=enemyStat
func removeEnemyFromLevel(slime)->void:
	enemiesDict.erase(slime)
	
func crateUpdate(cratesAmount)->void:
	crateTotal = cratesAmount
	print("GC updated crates: "+str(crateTotal))
	if crateTotal <=0:
		print("You WON!!!")
		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:
		print("bullet hitting slime")
		#damage the slime
		enemiesDict[body]["health"] -= 10
		if enemiesDict[body]["health"] <=0:
			removeEnemyFromLevel(body)
			destroySignal.emit(body)
		destroySignal.emit(bullet)