class_name GameController extends Node2D

signal teleportSignal(body:RigidBody2D)
signal destroySignal(body)
signal damageSignal(body)

var numberOfCrates = 2
var totalCoins = 0
var coinsRemaining = 0
var coinsCollected = 0

var enemiesDict={}
var playerStats={
	"health": 100,
	"meleeDamage": 20,
	"rangeDamage": 20
}

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	get_window().grab_focus()


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	pass


func _on_trigger(effect: Variant, Object: Variant) -> void:
	print("GC knows about trigger")
	match effect:
		"destroy":
			if not Object is Player:
				destroySignal.emit(Object)
		"teleport":
			print("Trigger wants to teleport")
			if Object is Crate:
				teleportSignal.emit(Object)

func _on_bullet_hit(body, bullet) -> void:	
	if body is Crate:
		destroySignal.emit(body)
		destroySignal.emit(bullet)
	if body is Slime:
		#damage the slime
		enemiesDict[body]["health"] -= playerStats.rangeDamage
		if(enemiesDict[body]["health"] <=0):
			print("enemy dead")
			destroySignal.emit(body)
			destroySignal.emit(bullet)
			removeEnemyFromLevel(body)
		else:
			print("enemy damaged")
			destroySignal.emit(bullet)
			damageSignal.emit(body)
		
		
func crateTotal(amount)->void:
	numberOfCrates = amount
	if numberOfCrates<=0:
			print("YOU WON!!!")
func coinTotal(amount)->void:
	if totalCoins == 0:
		totalCoins = amount
	coinsRemaining = amount
	print("Collected "+str(totalCoins-coinsRemaining)+" of "+str(totalCoins) ) 
func coinCollected(body, coin)->void:
	if body is Player:
		#give them a coin
		coinsCollected +=1
		destroySignal.emit(coin)
func slimeAttack(body, slime)->void:
	print("GC knows slime attacked player for "+str(enemiesDict[slime].meleeDamage))
	playerStats.health -= enemiesDict[slime].meleeDamage
	if playerStats.health <=0:
		#kill the player
		destroySignal.emit(body)
	else:
		#damage the player
		print("you took damage")
		damageSignal.emit(body)
func addEnemyToLevel(enemy:Slime)->void:
	#make some stats for the bad guy
	var stats = {
		"health": 100,
		"meleeDamage": 10
	}
	#add em to a dictionary of enemies
	enemiesDict[enemy]=stats
func removeEnemyFromLevel(enemy)->void:
	enemiesDict.erase(enemy)

func levelChange()->void:
	print("change levels (reload)")
	get_tree().reload_current_scene()