const API_ENDPOINT = "https://gimb.tk/test.php";
const DIRECTORY_URL = "/directory.json";
// "Global" object for name directory
var directory = null;
var currentlyChattingWith = null; // msgid
var sogovornik = null; // name
var firstPageOfMessages = null; // so we can test if new messages ever arrive
async function checkLogin() {
localforage.getItem("logged_in").then(function (value) {
// This code runs once the value has been loaded
// from the offline store.
if (value !== true) {
window.location.replace("/index.html");
}
}).catch(function (err) {
// This code runs if there were any errors
console.log(err);
});
}
function getKeyByValue(object, value) {
return Object.keys(object).find(key => object[key] === value);
}
// -----------HTML HELPERS-----------
function htmlEncode(value) {
// Create a in-memory element, set its inner text (which is automatically encoded)
// Then grab the encoded contents back out. The element never exists on the DOM.
return $("<textarea/>").text(value).html();
}
function htmlDecode(value) {
return $("<textarea/>").html(value).text();
}
// ---------------------------------
// Try to fetch name:id directory
function loadDirectory() {
$.ajax({
url: DIRECTORY_URL,
crossDomain: true,
dataType: "json",
cache: false,
type: "GET",
success: (data) => {
// If we were able to retrieve it, update the saved directory
localforage.setItem("directory", data);
directory = data;
// Populate autocomplete
populateAutocomplete();
},
error: () => {
// Otherwise, try to retrieve stored directory
localforage.getItem("directory").then((stored_directory) => {
if (stored_directory === null) {
// If unable, set directory to null (so other functions know that we don't have it)
UIAlert( D("nameDirectoryNotSet"), "loadDirectory(): stored_directory === null" );
directory = null;
// Disable send button
document.getElementById("msg-send").disabled = true;
} else {
directory = stored_directory;
// Populate autocomplete
populateAutocomplete();
}
});
}
});
}
function populateAutocomplete() {
let elems = document.querySelectorAll('.autocomplete-fullname');
// če se uporablja globalna var directory, ki je shranjena kot objekt (vedno shranjen kot reference), bo pri let x=y x le pointer na object y
// in se bo spremenil z spremembo "originala". spodnja stvar itak ni preveč efficent, loop čez vseh 7000 ljudi bi lahko delal težave...
// kakšen Object.keys bi bila boljša varianta ampak raje napišem tale komentar... idk, to se mi je zdelo uporabno ampak sedaj obžalujem
// samo guglal sem "copying an object js"
let autocomplete_entries = Object.assign({}, directory);
for (let variableKey in autocomplete_entries) {
autocomplete_entries[variableKey] = null;
}
M.Autocomplete.init(elems, {
data: autocomplete_entries,
onAutocomplete: validateName,
minLength: 0
});
if(window.location.hash.length > 1) {
document.getElementById("full-name").value = decodeURIComponent(window.location.hash.substring(1));
} else {
document.getElementById("full-name").value = getUrlParameter("m");
}
M.updateTextFields();
validateName();
}
// Function to toggle loading bar
function setLoading(state) {
if (state) {
$("#loading-bar").removeClass("hidden");
} else {
$("#loading-bar").addClass("hidden");
}
}
async function sendMessage(recipient_number = null, body = null) {
if(recipient_number == null || recipient_number == undefined) {
recipient_number = directory[sogovornik];
}
if(body == null || body == undefined) {
body = document.getElementById("msg-body").value;
}
if(body.length > 180) {
throw new RangeError("sendMessage(): message is longer than 180 characters.");
}
let promises_to_run = [
localforage.getItem("username").then((value) => {
username = value;
}),
localforage.getItem("password").then((value) => {
password = value;
}),
];
setLoading(true);
Promise.all(promises_to_run).then(() => {
try {
let gsecInstance = new gsec();
gsecInstance.login(username, password).then( () => {
gsecInstance.sendMessage(recipient_number, "beziapp-ctlmsg-chat-"+body, "BežiApp chat: "+body).then( (value) => {
addMessage(0, body);
setLoading(false);
}).catch( (err) => {
gsecErrorHandlerUI(err);
setLoading(false);
});
});
} catch (err) {
gsecErrorHandlerUI(err);
setLoading(false);
}
});
}
function addMessage(whom, body, datePlacement = 0, messageDate = null) { // datePlacement: 0=append bubble to end, 1=append bubble to start.
if(whom == 0) {
var whos = "mine";
} else {
var whos = "yours";
}
var timestamp = Date.now();
if(messageDate instanceof Date) { timestamp = messageDate.getTime(); }
if(typeof messageDate == "number") { timestamp = messageDate; }
var chatarea = document.getElementsByClassName("chat")[0];
var alreadyMessages = chatarea.querySelectorAll(".message");
var textnode = document.createTextNode(body);
var bubblenode = document.createElement("div");
bubblenode.setAttribute("data-date", timestamp);
bubblenode.appendChild(textnode);
if(chatarea.childElementCount == 0) {
bubblenode.className = "message last";
var messagesnest = document.createElement("div");
var istaoseba = false;
} else {
if(datePlacement == 0 || timestamp > Number(alreadyMessages[alreadyMessages.length - 1].getAttribute("data-date"))) {
datePlacement = 0;
console.log(alreadyMessages[0].getAttribute("data-date"));
bubblenode.className = "message last";
if(chatarea.children.item(chatarea.children.length - 1).classList.contains(whos)) { // ista oseba
var istaoseba = true;
var messagesnest = chatarea.children.item(chatarea.children.length - 1);
messagesnest.children.item(messagesnest.children.length - 1).classList.remove("last");
} else {
var istaoseba = false;
var messagesnest = document.createElement("div");
}
} else if (datePlacement == 1 || timestamp < Number(alreadyMessages[0].getAttribute("data-date"))) {
datePlacement = 1;
console.log(alreadyMessages[0].getAttribute("data-date"));
if(chatarea.children.item(0).classList.contains(whos)) { // ista oseba
bubblenode.className = "message";
var istaoseba = true;
var messagesnest = chatarea.children.item(0);
} else {
bubblenode.className = "message last";
var istaoseba = false;
var messagesnest = document.createElement("div");
}
} else { // auto place (slower, so 0 or 1 are options
console.log("if3");
for(var iter = 0; iter < alreadyMessages.length - 2; iter++) { // (-2 zato, ker potem iter+1 ne obstaja pri zadnjem elementu)
if (
Number(alreadyMessages[iter].getAttribute("data-date")) < timstamp
&& Number(alreadyMessages[iter+1].getAttribute("data-date")) > timestamp
) {
var zgornjiIsti = alreadyMessages[iter].parentElement.classList.contains(whos);
var spodnjiIsti = alreadyMessages[iter+1].parentElement.classList.contains(whos);
console.log([zgornjiIsti, spodnjiIsti]);
if(zgornjiIsti && spodnjiIsti) {
var messagesnest = alreadyMessages[iter].parentElement;
bubblenode.className = "message";
messagesnest.insertBefore(bubblenode, alreadyMessages[iter+1]);
return;
}
if(zgornjiIsti && !spodnjiIsti) {
var messagesnest = alreadyMessages[iter].parentElement;
bubblenode.className = "message last";
messagesnest.children.item(messagesnest.childElementCount - 1).classList.remove("last");
messagesnest.appendChild(bubblenode);
return;
}
if(!zgornjiIsti && spodnjiIsti) {
var messagesnest = alreadyMessages[iter+1].parentElement;
bubblenode.className = "message";
messagesnest.insertBefore(bubblenode, alreadyMessages[iter+1]);
return;
}
throw new RangeError("This should not happen!");
}
}
throw new RangeError("This should not happen!1");
}
}
// autodetect date is not present here anymore
messagesnest.className = whos+" messages";
if(datePlacement == 0) {
messagesnest.appendChild(bubblenode);
} else {
messagesnest.prepend(bubblenode);
}
if(!istaoseba) {
if(datePlacement == 0) {
chatarea.appendChild(messagesnest);
} else{
chatarea.prepend(messagesnest);
}
}
}
async function validateName() {
if (directory !== null) {
document.getElementById("full-name").disabled = false;
if ($("#full-name").val() in directory) {
$("#full-name").addClass("valid");
$("#full-name").removeClass("invalid");
document.getElementById("chat-recipient-select-btn").disabled = false;
document.getElementById("msg-body").disabled = false;
} else {
$("#full-name").addClass("invalid");
$("#full-name").removeClass("valid");
document.getElementById("chat-recipient-select-btn").disabled = true;
document.getElementById("msg-body").disabled = true;
document.getElementById("msg-body").value = "";
}
} else {
document.getElementById("chat-recipient-select-btn").disabled = true;
document.getElementById("full-name").value = D("nameDirectoryNotSet");
document.getElementById("full-name").disabled = true;
document.getElementById("msg-body").value = "";
}
}
async function clearMessages() {
var chatarea = document.getElementsByClassName("chat")[0];
chatarea.innerHTML = "";
}
function getUrlParameter(sParam) {
const url_params = new URLSearchParams(window.location.search);
const found_param = url_params.get(sParam);
return found_param;
}
document.addEventListener("DOMContentLoaded", () => {
checkLogin();
loadDirectory();
updateSendButton();
var receivedmessages = null;
M.updateTextFields();
// Setup side menu
const menus = document.querySelectorAll(".side-menu");
M.Sidenav.init(menus, { edge: "right", draggable: true });
let elems = document.querySelectorAll('.modal');
let instances = M.Modal.init(elems, {});
// Setup side modal
const modals = document.querySelectorAll('.side-modal');
M.Sidenav.init(modals, { edge: 'left', draggable: false });
prepareAndStartFetchingMessages(); // just opens modal, as there is no recipient selected
});
async function updateSendButton() {
if(document.getElementById("msg-body").value.length == 0) {
document.getElementById("msg-send").disabled = true;
} else {
document.getElementById("msg-send").disabled = false;
}
}
async function setRecipient(name = null) {
if(name == null || name == false || name == undefined) {
name = document.getElementById("full-name").value;
} else if (typeof name != "number") {
throw new TypeError('Hello from setRecipient(): name can only be string or null!');
}
if(Object.keys(directory).includes(name)) {} else {
UIAlert(D("recipientNotInDirectory"));
throw new RangeError("Hello from setRecipient(): name is not in directory");
}
var modal = document.querySelectorAll('#directory-side-menu')[0];
var modalInstance = M.Sidenav.getInstance(modal);
modalInstance.close();
document.getElementsByClassName("msg-chattingWith")[0].innerHTML = name;
sogovornik = name;
currentlyChattingWith = directory[name];
document.getElementById("chat-mustSelectRecipient").hidden=true;
updateSendButton();
clearMessages(); // <-- do when recipient selected
prepareAndStartFetchingMessages(); // <-- same
}
async function prepareAndStartFetchingMessages() {
if(currentlyChattingWith === 0 || (currentlyChattingWith >= 1 && currentlyChattingWith < 69420)) {
document.getElementById("msg-body").disabled = false;
await clearMessages();
startFetchingMessages();
} else {
var modal = document.querySelectorAll('#directory-side-menu')[0];
var modalInstance = M.Sidenav.getInstance(modal);
modalInstance.open();
}
}
async function startFetchingMessages() {
let promises_to_run = [
localforage.getItem("username").then((value) => {
username = value;
}),
localforage.getItem("password").then((value) => {
password = value;
}),
];
setLoading(true);
await Promise.all(promises_to_run);
try {
let gsecInstance = new gsec();
await gsecInstance.login(username, password);
for (var category = 0; category <= 1; category++) {
let lastpage = await gsecInstance.fetchMessagesLastPageNumber(category);
startLoadingMessagesForCategory(gsecInstance, category, lastpage);
}
} catch (err) {
gsecErrorHandlerUI(err);
setLoading(false);
}
}
async function startLoadingMessagesForCategory(gsecInstance, category, lastpage) {
for(var page = 1; page <= lastpage; page++) {
var gsecMsgList = await gsecInstance.fetchMessagesList(category, page);
if(category == 0) {
whom = 1;
} else {
whom = 0;
}
renderMessages(gsecMsgList, whom, 1);
}
}
async function renderMessages(gsecMsgList, whom, order = 1) { // order: 1=newest>olest 0=oldest>newest 2=autodetect (todo-not implemented)
for(const message of gsecMsgList) { // whom: 0=me 1=you
if(message.subject.substring(0, 20) == "beziapp-ctlmsg-chat-") {
addMessage(whom, message.subject.substring(20), 2, message.date.getTime);
}
}
}
