Initial commit - realms platform

bot-sdk/examples/trivia-bot.js

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+/**
+ * Trivia Bot Example
+ *
+ * A bot that runs trivia games in chat
+ *
+ * Usage:
+ *   node trivia-bot.js <api-key> <server-url> <realm-id>
+ *
+ * Commands:
+ *   !trivia start - Start a new trivia game
+ *   !trivia stop - Stop the current game
+ *   !trivia score - Show current scores
+ *   !answer <answer> - Submit an answer
+ */
+
+import ChatBot from '../index.js';
+
+// Get arguments
+const [,, apiKey, serverUrl, realmId] = process.argv;
+
+if (!apiKey || !serverUrl || !realmId) {
+  console.log('Usage: node trivia-bot.js <api-key> <server-url> <realm-id>');
+  process.exit(1);
+}
+
+// Trivia questions
+const questions = [
+  { question: "What planet is known as the Red Planet?", answer: "mars" },
+  { question: "What is the largest mammal in the world?", answer: "blue whale" },
+  { question: "In what year did the Titanic sink?", answer: "1912" },
+  { question: "What is the chemical symbol for gold?", answer: "au" },
+  { question: "Who painted the Mona Lisa?", answer: "leonardo da vinci" },
+  { question: "What is the capital of Japan?", answer: "tokyo" },
+  { question: "How many sides does a hexagon have?", answer: "6" },
+  { question: "What is the smallest prime number?", answer: "2" },
+  { question: "What element does 'O' represent on the periodic table?", answer: "oxygen" },
+  { question: "In what year did World War II end?", answer: "1945" },
+  { question: "What is the largest organ in the human body?", answer: "skin" },
+  { question: "Who wrote Romeo and Juliet?", answer: "shakespeare" },
+  { question: "What is the speed of light in km/s (approximately)?", answer: "300000" },
+  { question: "What is the tallest mountain in the world?", answer: "everest" },
+  { question: "What gas do plants absorb from the atmosphere?", answer: "carbon dioxide" }
+];
+
+// Game state
+let gameActive = false;
+let currentQuestion = null;
+let questionIndex = 0;
+let scores = {};
+let questionTimeout = null;
+let usedQuestions = [];
+
+// Create the bot
+const bot = new ChatBot('TriviaBot');
+
+function shuffleArray(array) {
+  const shuffled = [...array];
+  for (let i = shuffled.length - 1; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1));
+    [shuffled[i], shuffled[j]] = [shuffled[j], shuffled[i]];
+  }
+  return shuffled;
+}
+
+function getNextQuestion() {
+  if (usedQuestions.length === questions.length) {
+    usedQuestions = [];
+  }
+
+  const available = questions.filter((_, i) => !usedQuestions.includes(i));
+  const randomIndex = Math.floor(Math.random() * available.length);
+  const originalIndex = questions.indexOf(available[randomIndex]);
+  usedQuestions.push(originalIndex);
+
+  return available[randomIndex];
+}
+
+function askQuestion() {
+  if (!gameActive) return;
+
+  currentQuestion = getNextQuestion();
+  questionIndex++;
+
+  bot.print(`Question #${questionIndex}: ${currentQuestion.question}`);
+
+  // Set timeout for unanswered question
+  questionTimeout = setTimeout(() => {
+    if (currentQuestion) {
+      bot.print(`Time's up! The answer was: ${currentQuestion.answer}`);
+      currentQuestion = null;
+
+      // Ask next question after delay
+      setTimeout(() => {
+        if (gameActive) askQuestion();
+      }, 3000);
+    }
+  }, 30000); // 30 seconds to answer
+}
+
+function checkAnswer(username, answer) {
+  if (!currentQuestion) return;
+
+  const normalizedAnswer = answer.toLowerCase().trim();
+  const correctAnswer = currentQuestion.answer.toLowerCase().trim();
+
+  if (normalizedAnswer === correctAnswer || normalizedAnswer.includes(correctAnswer) || correctAnswer.includes(normalizedAnswer)) {
+    clearTimeout(questionTimeout);
+
+    // Award points
+    if (!scores[username]) scores[username] = 0;
+    scores[username]++;
+
+    bot.print(`Correct! ${username} got it right! (+1 point, total: ${scores[username]})`);
+    currentQuestion = null;
+
+    // Ask next question after delay
+    setTimeout(() => {
+      if (gameActive) askQuestion();
+    }, 3000);
+  }
+}
+
+function showScores() {
+  const sortedScores = Object.entries(scores)
+    .sort(([, a], [, b]) => b - a)
+    .slice(0, 10);
+
+  if (sortedScores.length === 0) {
+    bot.print('No scores yet!');
+    return;
+  }
+
+  let scoreText = 'Leaderboard: ';
+  sortedScores.forEach(([user, score], i) => {
+    scoreText += `${i + 1}. ${user}: ${score} pts | `;
+  });
+
+  bot.print(scoreText.slice(0, -3));
+}
+
+function startGame() {
+  if (gameActive) {
+    bot.print('A game is already in progress!');
+    return;
+  }
+
+  gameActive = true;
+  questionIndex = 0;
+  bot.print('Trivia game starting! Answer with "!answer <your answer>". You have 30 seconds per question.');
+
+  setTimeout(() => {
+    askQuestion();
+  }, 2000);
+}
+
+function stopGame() {
+  if (!gameActive) {
+    bot.print('No game is currently running.');
+    return;
+  }
+
+  gameActive = false;
+  currentQuestion = null;
+  clearTimeout(questionTimeout);
+
+  bot.print('Trivia game stopped!');
+  showScores();
+}
+
+// Set up message handler
+bot.messageHandler = (message) => {
+  const content = message.content.trim().toLowerCase();
+
+  if (content === '!trivia start') {
+    startGame();
+  } else if (content === '!trivia stop') {
+    stopGame();
+  } else if (content === '!trivia score' || content === '!trivia scores') {
+    showScores();
+  } else if (content === '!trivia help') {
+    bot.print('Commands: !trivia start, !trivia stop, !trivia score, !answer <answer>');
+  } else if (content.startsWith('!answer ')) {
+    const answer = message.content.slice(8);
+    checkAnswer(message.username, answer);
+  }
+};
+
+// Set up event handlers
+bot.onJoin = () => {
+  bot.print('TriviaBot is online! Type "!trivia start" to begin a game.');
+};
+
+bot.onError = (error) => {
+  console.error('Bot error:', error.message);
+};
+
+// Connect and join
+async function main() {
+  try {
+    console.log(`Connecting to ${serverUrl}...`);
+    await bot.connect(apiKey, serverUrl);
+
+    console.log(`Joining room: ${realmId}...`);
+    await bot.joinRoom(realmId);
+
+    console.log('TriviaBot is running. Press Ctrl+C to stop.');
+  } catch (error) {
+    console.error('Failed to start bot:', error.message);
+    process.exit(1);
+  }
+}
+
+// Handle shutdown
+process.on('SIGINT', () => {
+  console.log('\nShutting down bot...');
+  if (gameActive) stopGame();
+  bot.disconnect();
+  process.exit(0);
+});
+
+main();