class_name GameController extends Node2D

var crateTotal = 0
signal destroySignal(body)
signal teleportSignal(body)
signal levelChangeSignal(level)
signal playerDamageSignal(health, maxHealth)
signal playerDeathSignal
signal countDownSignal(timeRemaining)
signal coinCollectedSignal(totalCoinsCollected, coinsRemaining)

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={}

var enemy:CharacterStats
var player:CharacterStats


# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	get_window().grab_focus()
	enemy = load("res://scripts/rscs/slimeStats.tres")
	player = load("res://scripts/rscs/playerStats.tres")
	add_child(timer)
	timer.wait_time = 1
	timer.one_shot= false
	timer.connect("timeout", secondCounter)
	timer.start()
	
func reset()->void:
	timeAvailable = timers[currentLevel]
	playerHealth = player.starting_health
	coinsCollected = 0
	
 func secondCounter()->void:
	timeAvailable -=1
	countDownSignal.emit(timeAvailable)
	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_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 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:
		enemiesDict[body]["health"] -= player.rangeDamage
		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 coins remaining "+str(value))
	coinCollectedSignal.emit(coinsCollected, value)
	if value <=0:
		#no coins left in level
		currentLevel +=1
		if currentLevel >= levels.size():
			currentLevel = 0
		levelChangeSignal.emit(levels[currentLevel])
		
func _on_slime_damage(body:Node2D, slime:Slime)->void:
	playerHealth -= enemiesDict[slime]["damage"]
	print("GC knows damage from slime "+str(enemiesDict[slime]["damage"]))
	print("GC knows slime damage to player "+str(playerHealth))
	if playerHealth <=0:
		print("YOU DED")
		playerDeathSignal.emit()
		
	else:
		#damage
		playerDamageSignal.emit(playerHealth, player.max_health)
		
func addEnemyToLevel(slime:Slime)->void:
	# var randDamage:int = randi()%10
	var enemyStat = {
		"health":enemy.starting_health,
		"damage":enemy.meleeDamage
	}
	#put it in dictionary
	enemiesDict[slime]=enemyStat

func loadLevel()->void:
	levelChangeSignal.emit(levels[currentLevel])