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 enemy:CharacterStats
var player:CharacterStats

var enemiesDict={}

var playerStats={}



# level information
var levelArray = ["res://scenes/game.tscn", "res://scenes/level2.tscn", "res://scenes/level3.tscn"]
var currentLevel = 0

# 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")

func reset()->void:
	playerStats={
		"health":player.currentHealth,
		"meleeAttack":player.meleeDamage,
		"rangeAttack":player.rangeDamage
	}
	coinsCollected = 0

# 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:
	#print("GC knows bullet hit")	
	if body is Crate:
		destroySignal.emit(body)
		destroySignal.emit(bullet)
	if body is Slime:
		enemiesDict[body]["health"] -= playerStats.rangeAttack
		if enemiesDict[body]["health"] <= 0:
			print("Enemy is dead")
			destroySignal.emit(body)
			destroySignal.emit(bullet)
			removeEnemyFromLevel(body)
		else:
			print("Enemy takes damage")
			destroySignal.emit(bullet)
			damageSignal.emit(body)

		
		
func crateTotal(amount)->void:
	numberOfCrates = amount
	if numberOfCrates<=0:
			print("YOU WON!!!")
			if currentLevel<levelArray.size()-1:
				currentLevel += 1
			else:
				currentLevel = 0
			levelChange()
			
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 attacking")
	playerStats.health -= enemiesDict[slime].meleeDamage
	if playerStats.health >0:
		print("player takes damage")
		damageSignal.emit(body)
	else:
		print("player is dead!!")
		destroySignal.emit(body)
		
func addEnemyToLevel(slime)->void:
	print("Adding enemy to level")
	var stat={
		"health":enemy.currentHealth + randi_range(0,10),
		"meleeDamage":enemy.meleeDamage+ randi_range(0,10)
	}
	enemiesDict[slime]=stat	
func removeEnemyFromLevel(enemy)->void:
	print("removeEnemyFromLevel")
	enemiesDict.erase(enemy)

func levelChange()-> void:
	get_tree().change_scene_to_file(levelArray[currentLevel])