extends Control

# TODO: rename to server browser

onready var is_loaded = false

onready var lobbies_grid = $v/body/p/lobbies
onready var zero_state = $v/body/p/lobbies/zero_state
onready var lobbies_label = $v/subhead/label
onready var display_name_edit = $v/subhead/display_name

onready var lobbies = {}

onready var lobby = preload("res://objects/lobby.tscn")

func _ready():
	display_name_edit.text = Global.client.signaller.display_name
	Global.client.signaller.connect("lobby_new", self, "_lobby_new")
	Global.client.signaller.connect("lobby_delete", self, "_lobby_delete")
	Global.client.signaller.connect("lobby_joined", self, "_lobby_joined")
	Global.client.signaller.connect("lobby_left", self, "_lobby_left")
	Global.client.signaller.connect("websocket_disconnected", self, "_signaller_disconnected")
	Global.client.signaller.request_lobby_list()

	if Global.create_lobby:
		Global.create_lobby = false
		Global.client.signaller.create_lobby()

	"""
	var ls = []
	for n in range(200):
		ls.push_back({id = n, name = n, currentPlayers = n, maxPlayers = n, locked = false})
	call_deferred("_lobby_new", ls)
	"""

# TODO: add search
func _input(ev):
	if ev is InputEventKey and ev.pressed:
		if ev.scancode == KEY_T:
			var ls = []
			for n in range(5):
				var j = n + lobbies.size()
				ls.push_back({id = j, name = j, currentPlayers = j, maxPlayers = j, locked = false})
			call_deferred("_lobby_new", ls)

func _signaller_disconnected():
	Global.main_menu()

func _lobby_joined(_id, _peerId):
	Global.lobby()

func _lobby_left(_id):
	Global.lobby_browser()

func _on_back_pressed():
	Global.main_menu()

func _on_create_lobby_pressed():
	Global.client.signaller.create_lobby()

func _on_join_pressed():
	var items = lobbies.get_selected_items()
	if len(items) > 0:
		Global.client.signaller.join_lobby(lobbies.get_item_metadata(items[0])["id"])

func _lobby_new(new_lobbies: Array):
	# TODO: handle scrolling so that the user is never too jarred (like chat)
	for lobby_index in range(len(new_lobbies)):
		var lobby_data = new_lobbies[lobby_index]
		var id = lobby_data["id"]
		if lobbies.has(id):
			_update_lobby(id, lobby_data)
		else:
			_add_lobby(id, lobby_data)

		if Global.join_first_available_lobby:
			Global.join_first_available_lobby = false
			Global.client.signaller.join_lobby(id)

func _lobby_delete(id: String):
	print("Lobby Deleted: %s" % id)
	_delete_lobby(id)

func _add_lobby(id, lobby_data):
	call_deferred("update_lobbies_text")
	print("New Lobby ", lobby_data)
	# if lobby_data.currentPlayers > 0:
	var new_lobby = lobby.instance()
	new_lobby.set_with_dict(lobby_data)
	lobbies_grid.add_child(new_lobby)
	lobbies[id] = new_lobby

func _update_lobby(id, lobby_data):
	call_deferred("update_lobbies_text")
	print("Updated Lobby ", lobby_data)
	lobbies[id].set_with_dict(lobby_data)

func _delete_lobby(id):
	call_deferred("update_lobbies_text")
	if lobbies.has(id):
		print("Removing lobby...")
		lobbies_grid.remove_child(lobbies[id])
		lobbies[id].queue_free()
		lobbies.erase(id)

func update_lobbies_text():
	var n = lobbies.size()
	lobbies_label.text = "Active Lobbies: %d" % n
	if n < 1:
		if !lobbies_grid.is_a_parent_of(zero_state):
			lobbies_grid.add_child(zero_state)
	if n > 0:
		if lobbies_grid.is_a_parent_of(zero_state):
			lobbies_grid.remove_child(zero_state)

func _on_display_name_text_changed(new_text):
	Global.client.signaller.set_display_name(new_text)