extends Node
var player_script := preload("res://scripts/Player.gd")

var server_map
	
var player_model = preload("res://models/player.tscn")
var peer = ENetMultiplayerPeer.new()
var settings
var clients = {}
var last_client_id = 1

func _ready():
	if "--server" in OS.get_cmdline_args():
		await get_tree().create_timer(0.01).timeout #костыль пиздец но мне похую как-то
		get_tree().change_scene_to_file("res://scenes/test_map.tscn")
		await get_tree().create_timer(0.05).timeout #костыль
		server_map = get_tree().root.get_node("test_map")
		StartServer()

#######################################SERVER####################################
func StartServer():
	settings = GameData.server_settings
	var port = int(settings["port"])
	var maxclients = int(settings["maxclients"])
	if (peer.create_server(port, maxclients) != OK):
		print("Couldn't create server. Check if another proccess binds port " + str(port))
		return
	
	multiplayer.multiplayer_peer = peer
	print("Server started")
	
	peer.connect("peer_connected", _Peer_Connected)
	peer.connect("peer_disconnected", _Peer_Disconnected)

func send_everyone_except(client_id, args):
	if (typeof(args[0]) == 4): #string
		for current_client_id in clients.keys():
			if (str(current_client_id) == str(client_id)): continue
			if (args.size() == 1): rpc_id(int(current_client_id), args[0])
			elif (args.size() == 2): rpc_id(int(current_client_id), args[0], args[1])
			elif (args.size() == 3): rpc_id(int(current_client_id), args[0], args[1], args[2])
			else: rpc_id(int(current_client_id), args[0], args[1], args[2], args[3])
	else:
		for current_client_id in clients.keys():
			if (str(current_client_id) == str(client_id)): continue
			if (args.size() == 1): args[0].rpc_id(int(current_client_id))
			elif (args.size() == 2): args[0].rpc_id(int(current_client_id), args[1])
			elif (args.size() == 3): args[0].rpc_id(int(current_client_id), args[1], args[2])
			else: args[0].rpc_id(int(current_client_id), args[1], args[2], args[3])

func _Peer_Connected(client_id):
	print("User " + str(client_id) + " has conected")
	var internal_id = last_client_id + 1
	last_client_id += 1
	
	clients[str(client_id)] = player_script.new().properties.duplicate()
	clients[str(client_id)]["position"] = Vector3(0, 10, 0)
	clients[str(client_id)]["internal_id"] = internal_id
	
	var puppet = player_model.instantiate()
	var CB3D = puppet.find_child("CharacterBody3D")
	CB3D.set_is_playable(false)
	CB3D.set_internal_id(internal_id)
	CB3D.set_player_name("player" + str(internal_id))
	CB3D.set_nickname(clients[str(client_id)]["nickname"])
	
	server_map.add_child(puppet)

@rpc("any_peer", "reliable", "call_remote")
func client_ready(client_id):
	var client = clients[str(client_id)]
	var internal_id = client["internal_id"]
	
	send_everyone_except(client_id, ["spawn_puppet", clients[str(client_id)]])
	
	clients[str(client_id)]["ready"] = true
	

func _Peer_Disconnected(client_id):
	print("User " + str(client_id) + " has disconnected")
	var client = clients[str(client_id)]
	var internal_id = client["internal_id"]
	rpc("despawn_puppet", internal_id)
	var puppet = server_map.get_node("player" + str(internal_id))
	server_map.remove_child(puppet)
	clients.erase(str(client_id))

@rpc ("any_peer", "reliable", "call_remote")
func get_character_properties(client_id):
	if !clients.has(str(client_id)):
		return
	var to_send = clients[str(client_id)]
	rpc_id(client_id, "set_character_properties", to_send.duplicate())
	
@rpc("any_peer", "call_remote", "unreliable")
func sync_client(client_id, position, rotation):
	#if(settings["enableAntiCheat"]): if(position > 10): return # нормально допилить надо
	var client = clients[str(client_id)]
	var internal_id = client["internal_id"]
	client["position"] = position
	client["rotation"] = rotation
	send_everyone_except(client_id, [server_map.get_node("player" + str(internal_id)).find_child("CharacterBody3D").sync_puppet, internal_id, position, rotation])

@rpc ("any_peer", "call_remote", "reliable")
func get_client_list(client_id):
	for current_client_id in clients.keys():
		if (current_client_id == str(client_id)): continue
		rpc_id(client_id, "spawn_puppet", clients[str(current_client_id)])

@rpc ("any_peer", "call_remote", "reliable")
func get_server_settings(client_id):
	print("Sending game settings")
	var client = clients[str(client_id)]
	var internal_id = client["internal_id"]
	server_map.get_node("player" + str(internal_id)).find_child("CharacterBody3D").set_game_settings.rpc_id(int(client_id), settings["game"])

@rpc ("any_peer", "call_remote", "reliable")
func set_nickname(client_id, nickname):
	print("Got nickname from client: " + str(nickname))
	clients[str(client_id)]["nickname"] = nickname

##########################################CLIENT#######################

var player
var menu = preload("res://scenes/menu.tscn")
var test_map = preload("res://scenes/test_map.tscn")
var current_map_instance

@rpc ("reliable", "call_remote")
func set_character_properties(p):
	print("Setting player properties to " + str(p))
	player = p

@rpc("authority", "reliable", "call_remote")
func spawn_puppet(properties):
	var puppet = player_model.instantiate()
	var internal_id = int(properties["internal_id"])
	var CB3D = puppet.find_child("CharacterBody3D")
	CB3D.set_is_playable(false)
	CB3D.set_internal_id(internal_id)
	CB3D.set_player_name("player" + str(internal_id))
	CB3D.set_nickname(properties["nickname"])
	CB3D.set_ready(true)
	puppet.name = "player" + str(internal_id)
	
	current_map_instance.add_child(puppet)

@rpc("authority", "reliable", "call_remote")
func despawn_puppet(internal_id):
	var puppet = current_map_instance.get_node("player" + str(internal_id))
	current_map_instance.remove_child(puppet)

func ConnectToServer(ip, port):
	peer.create_client(ip, port)
	multiplayer.multiplayer_peer = peer
	
	if not multiplayer.connected_to_server.is_connected(_Connection_Succseeded): 
		multiplayer.connected_to_server.connect(_Connection_Succseeded)
	if not multiplayer.connection_failed.is_connected(_Connection_Failed): 
		multiplayer.connection_failed.connect(_Connection_Failed)
	if not multiplayer.server_disconnected.is_connected(_Server_Disconnected):
		multiplayer.server_disconnected.connect(_Server_Disconnected)

func _Connection_Failed():
	print("Failed to connect to server")
	multiplayer.multiplayer_peer = null
	peer = ENetMultiplayerPeer.new()
	multiplayer.multiplayer_peer = peer
	
func _Connection_Succseeded():
	print("Succsessfully connected to the server")
	var nickname = GameData.client_settings["nickname"]
	rpc_id(1, "set_nickname", multiplayer.get_unique_id(), nickname)
	rpc_id(1, "get_character_properties", multiplayer.get_unique_id())
	
	get_tree().change_scene_to_file("res://scenes/test_map.tscn")
	await get_tree().create_timer(1).timeout # костыль
	current_map_instance = get_tree().root.get_node("test_map")
	
	rpc_id(1, "get_client_list", multiplayer.get_unique_id())
	await get_tree().create_timer(0.05).timeout # костыль # tp
	rpc_id(1, "get_server_settings", multiplayer.get_unique_id())
	
	var player_node = player_model.instantiate()
	var CB3D = player_node.find_child("CharacterBody3D")
	CB3D.set_is_playable(true)
	CB3D.set_internal_id(player["internal_id"])
	CB3D.set_player_name("player" + str(player["internal_id"]))
	CB3D.set_nickname(nickname)
	CB3D.set_ready(true)
	
	current_map_instance.add_child(player_node)
	await get_tree().create_timer(0.05).timeout # костыль
	
	rpc_id(1, "client_ready", multiplayer.get_unique_id())
	
func _Server_Disconnected():
	print("Server has disconnected")
	Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
	get_tree().change_scene_to_file("res://scenes/menu.tscn")
	multiplayer.multiplayer_peer = null
	peer = ENetMultiplayerPeer.new()
	multiplayer.multiplayer_peer = peer