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Andri Joos · Andri Joos · Andri Joos · Andri Joos · Andri Joos · b6e6ebe2
--- a/TestatVorlage/schere-stein-papier.html
+++ b/TestatVorlage/schere-stein-papier.html
@@ -9,7 +9,8 @@
 <body>
 <h1>Rock Paper Scissors Well Matchstick</h1>

-<div id="login">
+<section id="login">
+  <button id="change-online-mode-button" class="mode-change-enabled"></button>
  <form id="login-form">
    <label for="username-input">Username:</label>
    <input id="username-input" placeholder="Please enter an username">
@@ -27,9 +28,9 @@
    </thead>
    <tbody id="ranking-table"></tbody>
  </table>
-</div>
+</section>

-<div id="game">
+<section id="game">
  <label id="username-display"></label>
  <div id="options" class="options-enabled">
    <button class="option" id="rock">Rock</button>
@@ -39,6 +40,8 @@
    <button class="option" id="matchstick">Matchstick</button>
  </div>

+  <label id="wait-label">&nbsp;</label>
+
  <table id="game-table">
    <tbody>
      <tr><td class="hand-row-entry"><label id="player-hand" class="hand"></label></td></tr>
@@ -60,7 +63,7 @@
    </thead>
    <tbody id="history"></tbody>
  </table>
-</div>
+</section>

 </body>
 </html>
--- a/TestatVorlage/scripts/game-service.js
+++ b/TestatVorlage/scripts/game-service.js
@@ -17,9 +17,9 @@ const playerStats = {
  },
 };

-function getRankingsFromPlayerStats() {
+function getRankingsFromPlayerStats(stats) {
  const ranking = [];
-  const playerValues = Object.values(playerStats);
+  const playerValues = Object.values(stats);
  playerValues.sort((a, b) => b.win - a.win);

  for (const playerValue of playerValues) {
@@ -51,8 +51,15 @@ export function isConnected() {
 }

 export function getRankings(rankingsCallbackHandlerFn) {
-  const rankingsArray = getRankingsFromPlayerStats();
-  setTimeout(() => rankingsCallbackHandlerFn(rankingsArray), DELAY_MS);
+  if (isConnected()) {
+    fetch('https://stone.sifs0005.infs.ch/ranking')
+      .then((res) => res.json())
+      .then((json) => getRankingsFromPlayerStats(json))
+      .then((rankings) => rankingsCallbackHandlerFn(rankings));
+  } else {
+    const rankings = getRankingsFromPlayerStats(playerStats);
+    rankingsCallbackHandlerFn(rankings);
+  }
 }

 const evalLookup = {
@@ -93,21 +100,39 @@ const evalLookup = {
  },
 };

+const translationLookup = {
+  Rock: 'Stein',
+  Paper: 'Papier',
+  Scissors: 'Schere',
+  Well: 'Quelle',
+  Matchstick: 'Streichholz',
+};
+
+function enDeTranslation(key) {
+  return translationLookup[key];
+}
+
+function deEnTranslation(key) {
+  const reversed = {};
+  for (const k of Object.keys(translationLookup)) {
+    reversed[translationLookup[k]] = k;
+  }
+  return reversed[key];
+}
+
 function getGameEval(playerHand, systemHand) {
  return evalLookup[playerHand.toLowerCase()][systemHand.toLowerCase()];
 }

-export function evaluateHand(playerName, playerHand, gameRecordHandlerCallbackFn) {
-  const systemHand = HANDS[Math.floor(Math.random() * 5)];
-  const gameEval = getGameEval(playerHand, systemHand);
-
-  // eslint-disable-next-line @web-and-design/wed/use-action-map
-  if (gameEval > 0) {
-    playerStats[playerName].win += 1;
-  } else if (gameEval < 0) {
-    playerStats[playerName].lost += 1;
+function reevaluateHandsFromServer(playerHand, systemHand, gameEval) {
+  // if gameEval === false => player has lost OR draw
+  if (!gameEval) {
+    return getGameEval(playerHand, systemHand);
  }
+  return 1; // if gameEval === true => player has won
+}

+function evaluateGame(playerHand, systemHand, gameEval, gameRecordHandlerCallbackFn) {
  setTimeout(() => gameRecordHandlerCallbackFn({
    playerHand,
    systemHand,
@@ -115,6 +140,35 @@ export function evaluateHand(playerName, playerHand, gameRecordHandlerCallbackFn
  }), DELAY_MS);
 }

+function evaluateFromServer(playerHand, systemHand, gameEval, gameRecordHandlerCallbackFn) {
+  const gameEvalAsNumber = reevaluateHandsFromServer(playerHand, systemHand, gameEval);
+  evaluateGame(playerHand, systemHand, gameEvalAsNumber, gameRecordHandlerCallbackFn);
+}
+
+export function evaluateHand(playerName, playerHand, gameRecordHandlerCallbackFn) {
+  // eslint-disable-next-line @web-and-design/wed/use-action-map
+  if (isConnected()) {
+    const translatedPlayerHand = enDeTranslation(playerHand);
+    const url = `https://stone.sifs0005.infs.ch/play?playerName=${playerName}&playerHand=${translatedPlayerHand}`;
+    fetch(url)
+        .then((res) => res.json())
+        .then((json) => evaluateFromServer(playerHand, deEnTranslation(json.choice),
+            json.win, gameRecordHandlerCallbackFn));
+  } else {
+    const systemHand = HANDS[Math.floor(Math.random() * 5)];
+    const gameEval = getGameEval(playerHand, systemHand);
+
+    // eslint-disable-next-line @web-and-design/wed/use-action-map
+    if (gameEval > 0) {
+      playerStats[playerName].win += 1;
+    } else if (gameEval < 0) {
+      playerStats[playerName].lost += 1;
+    }
+
+    evaluateGame(playerHand, systemHand, gameEval, gameRecordHandlerCallbackFn);
+  }
+}
+
 export function createUserIfNotExists(username) {
  if (playerStats[username] === undefined) {
    playerStats[username] = {user: username, win: 0, lost: 0};

--- a/TestatVorlage/scripts/main.js
+++ b/TestatVorlage/scripts/main.js
@@ -2,13 +2,15 @@
 README, as well as source code, can be found at https://git.420joos.dev/ost/we1/testat-rockpaperscissoirs/-/blob/dev/README.md
 */

-import {getRankings, evaluateHand, createUserIfNotExists} from './game-service.js';
+import {getRankings, evaluateHand, createUserIfNotExists, isConnected, setConnected} from './game-service.js';

 const loginScreen = document.querySelector('#login');
 const gameScreen = document.querySelector('#game');

 const options = document.querySelector('#options');
+const waitLabel = document.querySelector('#wait-label');

+const changeModeButton = document.querySelector('#change-online-mode-button');
 const loginForm = document.querySelector('#login-form');
 const usernameInput = document.querySelector('#username-input');
 const rankingTable = document.querySelector('#ranking-table');
@@ -28,6 +30,8 @@ const visibleClass = 'visible';
 const hiddenClass = 'hidden';
 const optionsDisabledClass = 'options-disabled';
 const optionsEnabledClass = 'options-enabled';
+const modeChangeDisabledClass = 'mode-change-disabled';
+const modeChangeEnabledClass = 'mode-change-enabled';

 function addToHistory(userHand, opponentHand, winText) {
    historyTableBody.innerHTML = `<tr><td>${winText}</td>\t<td>${userHand}</td>\t<td>${opponentHand}\n</td></tr>${historyTableBody.innerHTML}`;
@@ -50,7 +54,22 @@ function handleOpponentPicked(userHand, opponentHand, gameEval) {

    addToHistory(userHand, opponentHand, winText);

-    options.classList.replace(optionsDisabledClass, optionsEnabledClass);
+    let timeout = 3;
+    waitLabel.innerText = 'Next round starts in soon';
+    const countdown = setInterval(() => {
+        if (timeout > 0) {
+            waitLabel.innerText = `Next round starts in ${timeout}`;
+            timeout--;
+        } else {
+            clearTimeout(countdown);
+            waitLabel.innerText = '\n';
+            options.classList.replace(optionsDisabledClass, optionsEnabledClass);
+        }
+    }, 1000);
+}
+
+function sanitizePlayername(playerName) {
+    return playerName.replaceAll('<', '&lt;').replaceAll('>', '&gt;');
 }

 function showRankings(rankings) {
@@ -58,14 +77,23 @@ function showRankings(rankings) {
    for (const ranking of rankings) {
        rankingsHtml += `<tr><td>${ranking.rank}</td><td>${ranking.wins}</td><td>`;
        for (let i = 0; i < ranking.players.length - 1; i++) {
-            rankingsHtml += `${ranking.players[i]}, `;
+            const playerName = sanitizePlayername(ranking.players[i]);
+            rankingsHtml += `${playerName}, `;
        }
-        rankingsHtml += `${ranking.players[ranking.players.length - 1]}</td></tr>`;
+        const playerName = sanitizePlayername(ranking.players[ranking.players.length - 1]);
+        rankingsHtml += `${playerName}</td></tr>`;
    }

    rankingTable.innerHTML = rankingsHtml;
 }

+function updateRankings(rankings) {
+    if (changeModeButton.classList.contains(modeChangeDisabledClass)) {
+        changeModeButton.classList.replace(modeChangeDisabledClass, modeChangeEnabledClass);
+    }
+    showRankings(rankings);
+}
+
 function onOptionClick(event) {
    const userHand = event.target.innerText;
    playerHandLabel.innerText = userHand;
@@ -150,9 +178,28 @@ function onMainMenuClick() {
    getRankings(showRankings);
 }

+function updateOnlineButton() {
+    const preText = 'Change to';
+    if (isConnected()) {
+        changeModeButton.innerText = `${preText} local`;
+    } else {
+        changeModeButton.innerText = `${preText} online`;
+    }
+}
+
+function triggerOnlineState() {
+    changeModeButton.classList.replace(modeChangeEnabledClass, modeChangeDisabledClass);
+
+    setConnected(!isConnected());
+    updateOnlineButton();
+    getRankings(updateRankings);
+}
+
 options.addEventListener('click', (event) => onOptionClick(event));
 loginForm.addEventListener('submit', onLoginClick);
 mainMenuButton.addEventListener('click', onMainMenuClick);
+changeModeButton.addEventListener('click', triggerOnlineState);

 window.addEventListener('DOMContentLoaded', () => setScreenVisible(false));
-window.addEventListener('DOMContentLoaded', () => getRankings(showRankings));
+window.addEventListener('DOMContentLoaded', () => getRankings(updateRankings));
+window.addEventListener('DOMContentLoaded', updateOnlineButton);
--- a/TestatVorlage/styles/global.css
+++ b/TestatVorlage/styles/global.css
@@ -68,3 +68,13 @@ td {
 .options-enabled {
    pointer-events: auto;
 }
+
+.mode-change-enabled {
+    pointer-events: auto;
+    color: black;
+}
+
+.mode-change-disabled {
+    pointer-events: none;
+    color: gray;
+}
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