396 lines
11 KiB
JavaScript
396 lines
11 KiB
JavaScript
// Display functions
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/**
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* Display the invalid rounds count message element, by removing the hidden CSS class.
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*
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* @param {Element} invalidRoundsCountMessageElement the invalid rounds counts message
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*/
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function displayInvalidRoundsCountErrorMessage(invalidRoundsCountMessageElement) {
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invalidRoundsCountMessageElement.classList.remove("hidden");
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}
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/**
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* Get the room code and display the room code element.
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*/
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function displayRoomCode() {
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let roomCode = getRoomCode();
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let roomCodeElement = document.getElementsByClassName("room_code")[0];
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roomCodeElement.textContent = roomCode;
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roomCodeElement.setAttribute("href", "/lobby/" + roomCode);
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document.getElementsByClassName("room_code_text")[0].classList.remove("hidden");
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}
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/**
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* Display the players list element.
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*/
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function displayPlayerList() {
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response = makeAPIRequest("getGameMembers");
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response.then((value) =>{
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player_list = document.getElementsByClassName("player_names")[0];
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value["members"].forEach(username => {
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player_list.appendChild(document.createTextNode(username+"\n"));
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});
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});
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document.getElementsByClassName("players_list")[0].classList.remove("hidden");
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}
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/**
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* Display the multi player mode choices, by removing the hidden CSS class on the first
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* multi_player_mode_choices element.
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*/
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function displayMultiPlayerModeChoices() {
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document.getElementsByClassName("multi_player_mode_choices")[0].classList.remove("hidden");
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}
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/**
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* Display the room view, by removing the hidden CSS class on the first room_view element.
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*/
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function displayRoomView() {
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document.getElementsByClassName("room_view")[0].classList.remove("hidden");
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}
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/**
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* Display the join room view, by removing the hidden CSS class on the first join_room_view
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* element.
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*/
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function displayJoinRoomView() {
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document.getElementsByClassName("join_room_view")[0].classList.remove("hidden");
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}
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/**
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* Hide the join room view, by removing the hidden CSS class on the first join_room_view element.
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*/
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function hideJoinRoomView() {
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document.getElementsByClassName("join_room_view")[0].classList.add("hidden");
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}
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/**
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* Display the room view, by removing the hidden CSS class on the first
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* multi_player_mode_waiting_for_host element.
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*/
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function displayWaitingForHostMessage() {
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document.getElementsByClassName("multi_player_mode_waiting_for_host")[0].classList
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.remove("hidden");
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}
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/**
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* Show an error message on the first game_start_failed CSS element.
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*
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* <p>
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* The current error message text will be replaced by the given message and the element will be
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* shown, by removing the hidden CSS class on the element.
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* </p>
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*
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* @param {boolean} errorMessage the error message to show
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*/
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function displayInvalidNickNameErrorMessage(errorMessage) {
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let gameStartFailedElement = document.getElementsByClassName("game_start_failed")[0];
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gameStartFailedElement.textContent = errorMessage;
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gameStartFailedElement.classList.remove("hidden");
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}
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/**
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* Hide an error message on the first game_start_failed CSS element.
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*
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* <p>
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* The element will be hidden by removing the hidden CSS class on the element.
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* </p>
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*/
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function hideInvalidNickNameErrorMessage() {
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document.getElementsByClassName("game_start_failed")[0].classList.add("hidden");
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}
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/**
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* Hide the invalid rounds count message element, by adding the hidden CSS class.
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*
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* @param {Element} invalidRoundsCountMessageElement the invalid rounds counts message
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*/
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function hideInvalidRoundsCountErrorMessage(invalidRoundsCountMessageElement) {
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invalidRoundsCountMessageElement.classList.add("hidden");
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}
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// Start game functions
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function startHistoryGame() {
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makeAPIRequest("startGame");
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}
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function startChallengeGame() {
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let roundsCount = getChallengeModeRoundsCount();
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if (roundsCount == -1) {
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return;
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}
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alert("Ce mode de jeu n'est malheureusement pas disponible.");
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}
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// Join room functions
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function joinRoom() {
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if (isNickNameInvalid()) {
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displayInvalidNickNameErrorMessage("Le nom saisi n'est pas valide.");
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return;
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}
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hideInvalidNickNameErrorMessage();
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displayWaitingForHostMessage();
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data = {}
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data["username"] = document.getElementById("game_username").value;
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data["game_id"] = getRoomCode();
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response = makeAPIRequest("joinGame",data);
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response.then((value)=>{
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displayRoomView();
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displayPlayerList();
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initSock();
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hideJoinRoomView();
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})
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}
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// Room code functions
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/**
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* Copy the room code to the clipboard.
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*
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* <p>
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* In order to not make an additional API call to get the room code, we use the value from the
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* room code HTML element and generate a HTTP link from this value, copied to the clipboard using
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* {@link copyTextToClipboard}.
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* </p>
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*/
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function copyCode() {
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// Get the room code from the displayed text to avoid an extra API call
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let roomCode = getRoomCode();
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console.log(roomCode);
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if (roomCode == "") {
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alert("Veuillez patientez, le code d'équipe est en cours de génération.");
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}
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copyTextToClipboard(window.location.protocol + "//" + window.location.hostname + ":"
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+ window.location.port + "/lobby/" + roomCode);
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}
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// Listeners functions
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/**
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* Set listeners to game buttons.
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*
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* <p>
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* This function adds a click event listener on start game buttons.
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* </p>
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*/
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function setListenersToGameButtons() {
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document.getElementById("multi_player_history_start_button").addEventListener("click", startHistoryGame);
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document.getElementById("multi_player_challenge_start_button").addEventListener("click", startChallengeGame);
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}
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/**
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* Set listeners to the join room button.
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*
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* <p>
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* This function adds a click event listener on the join room button.
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* </p>
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*/
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function setListenerToJoinRoomButton() {
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document.getElementById("join_game_button").addEventListener("click", joinRoom);
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}
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/**
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* Set listeners to the copy room code button.
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*
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* <p>
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* This function adds a click event listener on the copy room code button.
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* </p>
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*/
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function setListenerToCopyCodeButton() {
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document.getElementById("invite_friends_button").addEventListener("click", copyCode);
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}
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/**
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* Unset listeners to game buttons.
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*
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* <p>
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* This function removes the click event listener set with {@link setListenersToGameButtons} on
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* start game buttons.
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* </p>
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*/
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function unsetListenersToButtons() {
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document.getElementById("multi_player_history_start_button").removeEventListener("click", startHistoryGame);
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document.getElementById("multi_player_challenge_start_button").removeEventListener("click", startChallengeGame);
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}
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/**
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* Unset listeners to the join room button.
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*
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* <p>
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* This function removes the click event listener set with {@link setListenerToJoinRoomButton} on
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* the join room button.
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* </p>
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*/
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function unsetListenerToJoinRoomButton() {
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document.getElementById("join_game_button").removeEventListener("click", joinRoom);
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}
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/**
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* Unset listeners to the copy room code button.
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*
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* <p>
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* This function removes the click event listener set with {@link setListenerToCopyCodeButton} on
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* the copy room code button.
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* </p>
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*/
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function unsetListenerToCopyCodeButton() {
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document.getElementById("invite_friends_button").removeEventListener("click", copyCode);
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}
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// Utility functions
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async function isRoomOwner() {
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response = await makeAPIRequest("isOwner");
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return response["owner"];
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}
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async function hasJoinedRoom() {
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response = await makeAPIRequest("hasJoined");
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return response["joined"];
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}
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/**
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* Copy the given text in the clipboard, if the browser allows it.
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*
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* <p>
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* A JavaScript alert is created witn an appropriate message, regardless of whether the copy succeeded.
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* </p>
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*
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* <p>
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* This function uses the Clipboard API. In the case it is not supported by the browser used, a JavaScript alert is shown..
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* </p>
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*
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* @param {string}} textToCopy the text to copy to the clipboard
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*/
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function copyTextToClipboard(textToCopy) {
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if (!navigator.clipboard) {
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alert("Votre navigateur ne supporte pas l'API Clipboard. Veuillez copier le texte en ouvrant le menu contextuel de votre navigateur sur le lien et sélectionner l'option pour copier le lien.");
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return;
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}
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navigator.clipboard.writeText(textToCopy).then(() => {
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alert("Lien copié avec succès dans le presse-papiers.");
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}, () => {
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alert("Impossible de copier le lien. Vérifiez si vous avez donné la permission d'accès au presse-papiers pour le site de Thruth Inquiry dans les paramètres de votre navigateur.");
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});
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}
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/**
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* Determine whether a nickname is invalid.
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*
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* <p>
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* A nickname is invalid when it only contains spaces characters or is empty.
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* </p>
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*
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* @returns whether a nickname is invalid
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*/
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function isNickNameInvalid() {
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return document.getElementById("game_username").value.trim() == "";
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}
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/**
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* Get the rounds count for the challenge mode from the user input.
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*
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* <p>
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* As browsers allow to enter any character on a number imput, we need to validate the user value.
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* A regular expression which checks that every character is a number digit is used.
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* </p>
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*
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* <p>
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* If the user input isn't matched by the regular expression, an error message is shown to the user.
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* </p>
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*
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* @returns the rounds count or -1 if it is invalid
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*/
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function getChallengeModeRoundsCount() {
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let roundsCountText = document.getElementById("rounds_count").value;
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let errorElement = document.getElementsByClassName("multi_player_challenge_mode_invalid_input")[0];
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if (!/^\d+$/.test(roundsCountText)) {
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displayInvalidRoundsCountErrorMessage(errorElement);
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return -1;
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}
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let roundsCountNumber = parseInt(roundsCountText);
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if (roundsCountNumber < 5 || roundsCountNumber > 15) {
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displayInvalidRoundsCountErrorMessage(errorElement);
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return -1;
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}
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hideInvalidRoundsCountErrorMessage(errorElement);
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return roundsCountNumber;
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}
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/**
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* Get the code of the room.
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*
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* @returns the code of the room
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*/
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function getRoomCode() {
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gameid = document.getElementById("game_id").value;
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return gameid;
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}
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function initSock(){
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socket = io({
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auth:{
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game_id: gameid
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}
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});
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socket.on("connect", () => {
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console.log("Connected !")
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})
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socket.on("gamestart",()=>{
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window.location.href = "/multi";
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})
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socket.on("playersjoin", (username) => {
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player_list = document.getElementsByClassName("player_names")[0];
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player_list.appendChild(document.createTextNode(username+"\n"));
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});
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}
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// Lobby initialization
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/**
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* Initialize the lobby page.
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*
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* p>
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* If the player has joined the room, the room view will be shown. In the case the player is the
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* owner of the room, the room code and the multi player mode choice will be shown and the
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* listeners to the game buttons will be done.
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* </p>
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*
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* <p>
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* If the player has not joined the room, the join room view will be shown and a listener to the
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* join room button will be set.
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* </p>
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*/
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async function initLobby() {
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gameid = getRoomCode();
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if (await hasJoinedRoom()) {
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initSock();
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displayRoomView();
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if (await isRoomOwner()) {
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displayRoomCode();
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displayMultiPlayerModeChoices();
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setListenersToGameButtons();
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setListenerToCopyCodeButton();
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} else {
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displayWaitingForHostMessage();
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}
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displayPlayerList();
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} else {
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displayJoinRoomView();
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setListenerToJoinRoomButton();
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}
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}
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initLobby(); |