Added: Multiplayer.jsx

backend/package.json

@@ -55,6 +55,8 @@
     "handlebars": "^4.7.8",
     "ioredis": "^5.5.0",
     "jsonwebtoken": "^9.0.2",
+    "nodemailer": "^6.10.0",
+    "nodemailer-express-handlebars": "^7.0.0",
     "passport": "^0.7.0",
     "passport-jwt": "^4.0.1",
     "passport-local": "^1.0.0",
@@ -180,4 +182,4 @@
     "coverageDirectory": "../coverage",
     "testEnvironment": "node"
   }
-}
+}

backend/src/app.module.ts

@@ -38,6 +38,28 @@ import { RetentionMetricsModule } from './retention-metrics/retention-metrics.mo
       load: [envConfiguration],
       validate,
     }),
+    MailerModule.forRootAsync({
+      imports: [ConfigModule],
+      inject: [ConfigService],
+      useFactory: async (configService: ConfigService) => ({
+        transport: {
+          host: configService.get<string>('SMTP_HOST'),
+          port: configService.get<number>('SMTP_PORT'),
+          auth: {
+            user: configService.get<string>('SMTP_USER'),
+            pass: configService.get<string>('SMTP_PASS'),
+          },
+        },
+        defaults: {
+          from: `"No Reply" <${configService.get<string>('SMTP_FROM')}>`,
+        },
+        template: {
+          dir: join(__dirname, '../templates'), // Email templates location
+          adapter: new HandlebarsAdapter(),
+          options: { strict: true },
+        },
+      }),
+    }),
     TypeOrmModule.forRoot({
       type: 'postgres',
       host: process.env.DB_HOST,

frontend/app/(root)/multiplayer/page.jsx

@@ -0,0 +1,12 @@
+"use client";
+import React from "react";
+
+import DewordleMultiplayer from "@/components/Multiplayer";
+
+export default function page() {
+  return (
+    <div>
+      <DewordleMultiplayer />
+    </div>
+  );
+}

frontend/components/Multiplayer.jsx

@@ -0,0 +1,299 @@
+"use client";
+
+import React from "react";
+
+import { useState, useEffect } from "react";
+import { Share2, RefreshCw } from "lucide-react";
+
+export default function DewordleMultiplayer() {
+  const [gameState, setGameState] = useState("create");
+  const [player1, setPlayer1] = useState({
+    name: "Player 1",
+    guesses: [],
+    score: 0,
+  });
+  const [player2, setPlayer2] = useState({
+    name: "Player 2",
+    guesses: [],
+    score: 0,
+  });
+  const [currentPlayer, setCurrentPlayer] = useState(1);
+  const [word, setWord] = useState("REACT");
+  const [guess, setGuess] = useState("");
+  const [winner, setWinner] = useState(null);
+  const [showEmoji, setShowEmoji] = useState(false);
+  const [emoji, setEmoji] = useState("");
+
+  useEffect(() => {
+    if (gameState === "play") {
+      const timer = setInterval(() => {
+        simulateOpponentGuess();
+      }, 5000);
+      return () => clearInterval(timer);
+    }
+  }, [gameState]); // Removed unnecessary dependency: currentPlayer
+
+  const startGame = () => {
+    setGameState("play");
+    setPlayer1({ ...player1, guesses: [] });
+    setPlayer2({ ...player2, guesses: [] });
+    setCurrentPlayer(1);
+    setWinner(null);
+  };
+
+  const handleGuess = (e) => {
+    e.preventDefault();
+    if (guess.length !== 5) return;
+
+    const newGuess = guess.toUpperCase();
+    const currentPlayerObj = currentPlayer === 1 ? player1 : player2;
+    const updatedGuesses = [...currentPlayerObj.guesses, newGuess];
+    const score = calculateScore(newGuess);
+
+    if (currentPlayer === 1) {
+      setPlayer1({
+        ...player1,
+        guesses: updatedGuesses,
+        score: player1.score + score,
+      });
+    } else {
+      setPlayer2({
+        ...player2,
+        guesses: updatedGuesses,
+        score: player2.score + score,
+      });
+    }
+
+    setGuess("");
+    checkGameEnd(newGuess, updatedGuesses.length);
+    switchPlayer();
+  };
+
+  const calculateScore = (guess) => {
+    let score = 0;
+    for (let i = 0; i < 5; i++) {
+      if (guess[i] === word[i]) {
+        score += 2;
+      } else if (word.includes(guess[i])) {
+        score += 1;
+      }
+    }
+    return score;
+  };
+
+  const checkGameEnd = (guess, guessCount) => {
+    if (guess === word || guessCount === 6) {
+      const winner =
+        player1.score > player2.score ? player1.name : player2.name;
+      setWinner(winner);
+      setGameState("results");
+    }
+  };
+
+  const switchPlayer = () => {
+    setCurrentPlayer(currentPlayer === 1 ? 2 : 1);
+  };
+
+  const simulateOpponentGuess = () => {
+    if (currentPlayer === 2 && gameState === "play") {
+      const opponentGuess = generateRandomGuess();
+      const updatedGuesses = [...player2.guesses, opponentGuess];
+      const score = calculateScore(opponentGuess);
+      setPlayer2({
+        ...player2,
+        guesses: updatedGuesses,
+        score: player2.score + score,
+      });
+      checkGameEnd(opponentGuess, updatedGuesses.length);
+      switchPlayer();
+      showReactionEmoji();
+    }
+  };
+
+  const generateRandomGuess = () => {
+    const letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+    return Array(5)
+      .fill()
+      .map(() => letters[Math.floor(Math.random() * 26)])
+      .join("");
+  };
+
+  const showReactionEmoji = () => {
+    const emojis = ["🔥", "😂", "😱", "🤔", "👍", "🎉"];
+    setEmoji(emojis[Math.floor(Math.random() * emojis.length)]);
+    setShowEmoji(true);
+    setTimeout(() => setShowEmoji(false), 2000);
+  };
+
+  const shareResults = () => {
+    const text = `I just ${
+      winner === player1.name ? "won" : "played"
+    } a Dewordle multiplayer game!\n${player1.name}: ${player1.score} pts\n${
+      player2.name
+    }: ${player2.score} pts\nCan you beat me? Play at: example.com/dewordle`;
+    if (navigator.share) {
+      navigator.share({ title: "Dewordle Multiplayer Results", text: text });
+    } else {
+      navigator.clipboard.writeText(text);
+      alert("Results copied to clipboard!");
+    }
+  };
+
+  const renderGameBoard = (playerObj) => (
+    <div className="mb-4">
+      <h3 className="text-lg font-semibold mb-2">{playerObj.name}</h3>
+      <div className="grid grid-cols-5 gap-1">
+        {Array(6)
+          .fill()
+          .map((_, rowIndex) => (
+            <React.Fragment key={rowIndex}>
+              {Array(5)
+                .fill()
+                .map((_, colIndex) => {
+                  const letter = playerObj.guesses[rowIndex]?.[colIndex] || "";
+                  let bgColor = "bg-gray-200 dark:bg-gray-700";
+                  if (letter) {
+                    if (letter === word[colIndex]) {
+                      bgColor = "bg-green-500";
+                    } else if (word.includes(letter)) {
+                      bgColor = "bg-yellow-500";
+                    } else {
+                      bgColor = "bg-gray-400 dark:bg-gray-600";
+                    }
+                  }
+                  return (
+                    <div
+                      key={colIndex}
+                      className={`w-10 h-10 ${bgColor} flex items-center justify-center text-white font-bold rounded`}
+                    >
+                      {letter}
+                    </div>
+                  );
+                })}
+            </React.Fragment>
+          ))}
+      </div>
+    </div>
+  );
+
+  return (
+    <div className="min-h-screen bg-gray-100 dark:bg-gray-900 flex flex-col items-center justify-center p-4">
+      <div className="w-full max-w-2xl bg-white dark:bg-gray-800 rounded-xl shadow-lg p-6">
+        <h1 className="text-2xl font-bold text-center text-gray-900 dark:text-white mb-6">
+          Dewordle Multiplayer
+        </h1>
+
+        {gameState === "create" && (
+          <div className="text-center">
+            <h2 className="text-xl font-semibold mb-4">Challenge a Friend</h2>
+            <p className="mb-4 text-gray-600 dark:text-gray-400">
+              Start a new game and challenge your friend to solve the word!
+            </p>
+            <button
+              onClick={startGame}
+              className="px-6 py-3 bg-indigo-600 hover:bg-indigo-700 text-white font-medium rounded-lg transition-colors"
+            >
+              Start New Game
+            </button>
+          </div>
+        )}
+
+        {gameState === "play" && (
+          <div>
+            <div className="flex justify-between items-center mb-4">
+              <div className="text-lg font-semibold">
+                Current Turn:{" "}
+                {currentPlayer === 1 ? player1.name : player2.name}
+              </div>
+              <div className="flex items-center space-x-2">
+                <span className="font-medium">
+                  {player1.name}: {player1.score}
+                </span>
+                <span className="text-gray-500">vs</span>
+                <span className="font-medium">
+                  {player2.name}: {player2.score}
+                </span>
+              </div>
+            </div>
+
+            <div className="grid grid-cols-1 md:grid-cols-2 gap-4 mb-6">
+              {renderGameBoard(player1)}
+              {renderGameBoard(player2)}
+            </div>
+
+            {currentPlayer === 1 && (
+              <form onSubmit={handleGuess} className="mb-4">
+                <div className="flex space-x-2">
+                  <input
+                    type="text"
+                    value={guess}
+                    onChange={(e) => setGuess(e.target.value.toUpperCase())}
+                    maxLength={5}
+                    className="flex-grow px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-indigo-500"
+                    placeholder="Enter your guess"
+                  />
+                  <button
+                    type="submit"
+                    className="px-4 py-2 bg-indigo-600 hover:bg-indigo-700 text-white font-medium rounded-lg transition-colors"
+                  >
+                    Guess
+                  </button>
+                </div>
+              </form>
+            )}
+
+            {currentPlayer === 2 && (
+              <div className="text-center text-gray-600 dark:text-gray-400 mb-4">
+                Waiting for {player2.name} to make a guess...
+              </div>
+            )}
+
+            {showEmoji && (
+              <div className="fixed top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 text-6xl animate-bounce">
+                {emoji}
+              </div>
+            )}
+          </div>
+        )}
+
+        {gameState === "results" && (
+          <div className="text-center">
+            <h2 className="text-2xl font-bold mb-4">
+              {winner === player1.name ? "You Won!" : "Game Over!"}
+            </h2>
+            <div className="flex justify-center items-center space-x-4 mb-6">
+              <div className="text-center">
+                <p className="font-semibold">{player1.name}</p>
+                <p className="text-2xl font-bold">{player1.score}</p>
+              </div>
+              <div className="text-4xl font-bold text-gray-400">vs</div>
+              <div className="text-center">
+                <p className="font-semibold">{player2.name}</p>
+                <p className="text-2xl font-bold">{player2.score}</p>
+              </div>
+            </div>
+            <p className="mb-6 text-gray-600 dark:text-gray-400">
+              The word was: <span className="font-bold">{word}</span>
+            </p>
+            <div className="flex justify-center space-x-4">
+              <button
+                onClick={startGame}
+                className="flex items-center px-4 py-2 bg-indigo-600 hover:bg-indigo-700 text-white font-medium rounded-lg transition-colors"
+              >
+                <RefreshCw className="w-5 h-5 mr-2" />
+                Rematch
+              </button>
+              <button
+                onClick={shareResults}
+                className="flex items-center px-4 py-2 bg-green-600 hover:bg-green-700 text-white font-medium rounded-lg transition-colors"
+              >
+                <Share2 className="w-5 h-5 mr-2" />
+                Share Results
+              </button>
+            </div>
+          </div>
+        )}
+      </div>
+    </div>
+  );
+}