extends MarginContainer

onready var peers = $v/body/peers/peers
onready var lobby_info_label = $v/head/lobby_info
onready var peers_list_label = $v/body/peers/label
onready var cursors = {}
onready var chat = $v/body/v/messages
onready var chat_edit = $v/body/v/h/chat
onready var auto_scroll_chk = $v/body/v/chat_head/auto_scroll

func _ready():
	Global.client.signaller.connect("peer_joined", self, "_peer_joined")
	Global.client.signaller.connect("peer_left", self, "_peer_left")
	# Global.client.connect("peer_disconnected", self, "_peer_left")
	Global.client.signaller.connect("lobby_left", self, "_lobby_left")
	lobby_info_label.text = "%s%s" % [Global.client.signaller.lobby_name, _host_suffix(get_tree().get_network_unique_id())]
	Global.client.signaller.connect("websocket_disconnected", self, "_signaller_disconnected")
	Global.client.signaller.request_peer_list()
	call_deferred("add_chat", "# Connected to %s" % Global.client.signaller.lobby_name)

func _host_suffix(id):
	if id == 1:
		return " (Host)"
	else:
		return ""

func _signaller_disconnected():
	Global.main_menu()

func _peer_joined(joined_peers):
	call_deferred("update_player_count")
	print("Joined Peers: %s" % [joined_peers])
	for i in range(len(joined_peers)):
		var id = joined_peers[i]["id"]
		var exists = false
		for j in range(peers.get_item_count()):
			var md = peers.get_item_metadata(j) 
			if md and md.has("id") and md["id"] == id:
				print("Already have this one")
				exists = true
				break
		if not exists:
			var peerId = joined_peers[i]["peerId"]
			var name = joined_peers[i]["name"]
			print("New Lobby Peer ID: %s, Name: %s, PeerID: %s" % [id, name, peerId])
			call_deferred("add_chat", "> %s joined the lobby" % name)
			peers.add_item("%s%s" % [name, _host_suffix(peerId)])
			peers.set_item_metadata(peers.get_item_count() - 1, { "id": id, "peerId": peerId, "name": name })
			
func _peer_left(ids):
	call_deferred("update_player_count")
	print("Peer(s) Leaving: %s" % ids)
	for data in ids:
		print(data)
		var id = data["id"]
		for i in range(peers.get_item_count()):
			var md = peers.get_item_metadata(i)
			if md and md.has("id") and md["id"] == id:
				peers.remove_item(i)
				call_deferred("add_chat", "< %s left the lobby" % md["name"])
				return
	
func update_player_count():
	peers_list_label.text = "Players: %d" % peers.get_item_count()

func _on_Button_pressed():
	send_chat_message()

remotesync func add_chat(message):
	if auto_scroll_chk.pressed: call_deferred("scroll_chat_to_bottom")
	else:
		call_deferred("preserve_chat_scroll", chat.cursor_get_line(), chat.get_selection_to_line(), chat.get_selection_from_line(), chat.get_selection_to_column(), chat.get_selection_from_column())
	chat.text += "\n" + message

func scroll_chat_to_bottom():
	chat.cursor_set_line(chat.get_line_count() + 1)
	chat.scroll_vertical = 1000000000

func preserve_chat_scroll(n, tl, fl, tc, fc):
	chat.cursor_set_line(n)
	chat.select(fl, fc, tl, tc)
	chat.center_viewport_to_cursor()

func _lobby_left(_id):
	Global.lobby_browser()

func _on_leave_button_pressed():
	Global.lobby_browser()

func _on_TextEdit_text_entered(_new_text):
	send_chat_message()

func send_chat_message():
	var message = chat_edit.text
	if message != "":
		rpc("add_chat", "%s: %s" % [Global.client.signaller.display_name, message])
		chat_edit.text = ""