extends Node

const GAMEPATH = "/root/game/"

const PORT = 10001
const MAX_CLIENTS = 1

var players = {}

const ENVIRONMENT_LAYER = 0
const PLAYER_LAYER = 1

func _ready():
	# When a client connects to the server
	get_tree().connect("network_peer_connected", self, "_playerConnected")
	# When a client disconnects gracefully or times out
	get_tree().connect("network_peer_disconnected", self, "_playerDisconnected")
	
	# Server init
	var peer = NetworkedMultiplayerENet.new()
	peer.create_server(PORT, MAX_CLIENTS)
	get_tree().set_network_peer(peer)
	
	print("Server now hosting")


# Called when a player connects
func _playerConnected(id):
	if (players.size()>MAX_CLIENTS):
		print("There is already enough players")
		return
		
	else:
		registerPlayer(id)
		
	if (players.size()==MAX_CLIENTS):
		startGame()


func registerPlayer(id):
	# Sending the list of existing players to the new player from ther server's personal list
	for peer_id in players:
		rpc_id(peer_id, "registerPlayer", id)
		rpc_id(id, "registerPlayer", peer_id)
		
	# Granting self-awareness
	rpc_id(id, "registerPlayer", id)
		
	# Adding the new id to anyones array
	players[id] = str(id)
	
	print("New player registered: ", id) 


func _playerDisconnected(id):
	players.erase(id)
	
	# Broadcast the info and remove from the remote scene
	if has_node(GAMEPATH+str(id)):
		rpc("removePlayer", id)
		get_node(GAMEPATH+str(id)).queue_free()
	
	print("Player ", str(id), " disconnected")


func startGame():
	# Instancing the map and adding it to the scene tree
	var game = preload("res://levels/test/game.tscn").instance()
	get_tree().get_root().add_child(game)
	
	var playerScene = preload("res://entities/characters/player.tscn")

	var i = 1
	for peer_id in players:
		# TODO: Replace by a spawnPlayer function !!!
		var player = playerScene.instance()
		
		player.set_name(str(peer_id))
		get_node(GAMEPATH).add_child(player)
		
		var spawnPosition = get_node("/root/game/spawnCollection/spawn"+str(i)).get_translation()
		player.translate(spawnPosition)
		
		i+=1
	
	# Broadcast the beginning of the game
	rpc("startGame")

	print("game started with players ", players.values())