1 files changed, 294 insertions, 0 deletions
diff --git a/src/pages/HomePage.tsx b/src/pages/HomePage.tsx
new file mode 100644
index 0000000..bf07bd5
--- /dev/null
+++ b/src/pages/HomePage.tsx
@@ -0,0 +1,294 @@
+import { useState, useEffect, useRef } from 'react';
+import { Link } from 'react-router';
+import * as cw from 'cw';
+import '../base.css';
+import '../styles.css';
+
+declare global {
+  interface Window {
+    cw: any;
+  }
+}
+
+const HomePage = () => {
+  // Game variables
+  const [gameStarted, setGameStarted] = useState(false);
+  const [score, setScore] = useState(0);
+  const [totalPlayed, setTotalPlayed] = useState(0);
+  const [currentChar, setCurrentChar] = useState('');
+  const [feedback, setFeedback] = useState('');
+  const [options, setOptions] = useState<string[]>([]);
+  const [wpm, setWpm] = useState(20);
+  const [showHints, setShowHints] = useState(false);
+
+  const actxRef = useRef<any>(null);
+  const optionButtonsRef = useRef<Array<HTMLButtonElement | null>>([null, null, null, null]);
+
+  // Define available characters
+  const letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+  const numbers = '0123456789';
+  const specialChars = '.,?/=';
+  const allChars = letters + numbers + specialChars;
+
+  // Initialize the game when started - this happens on user interaction (button click)
+  const startGame = () => {
+    try {
+      // Initialize audio context on user interaction
+      actxRef.current = cw.initAudioContext({ tone: 600 });
+      setGameStarted(true);
+      newRound();
+    } catch (error) {
+      console.error('Failed to initialize audio context:', error);
+      alert('Failed to initialize audio. Please try again.');
+    }
+  };
+
+  // Generate a new round
+  const newRound = () => {
+    // Clear feedback
+    setFeedback('');
+
+    // Reset button states
+    optionButtonsRef.current.forEach(button => {
+      if (button) {
+        button.disabled = false;
+        button.classList.remove('correct', 'incorrect', 'key-pressed');
+      }
+    });
+
+    // Generate a random character
+    const randomIndex = Math.floor(Math.random() * allChars.length);
+    const newChar = allChars[randomIndex];
+    setCurrentChar(newChar);
+
+    // Generate options (one correct, three random)
+    let newOptions = [newChar];
+
+    // Add three random unique characters
+    while (newOptions.length < 4) {
+      const randomChar = allChars[Math.floor(Math.random() * allChars.length)];
+      if (!newOptions.includes(randomChar)) {
+        newOptions.push(randomChar);
+      }
+    }
+
+    // Shuffle options
+    newOptions = shuffleArray(newOptions);
+    setOptions(newOptions);
+
+    // Play the Morse code for the character
+    playMorseCode(newChar);
+  };
+
+  // Play Morse code for a character
+  const playMorseCode = (char: string) => {
+    if (actxRef.current) {
+      cw.play(char, {
+        wpm: wpm,
+        actx: actxRef.current
+      });
+    }
+  };
+
+  // Check if the answer is correct
+  const checkAnswer = (selectedChar: string) => {
+    if (selectedChar === currentChar) {
+      // Correct answer
+      setFeedback('Correct!');
+      setScore(prevScore => prevScore + 1);
+
+      // Add to score tracker
+      const scoreTracker = document.getElementById('scoreTracker');
+      if (scoreTracker) {
+        const marker = document.createElement('div');
+        marker.className = 'score-marker correct';
+        scoreTracker.appendChild(marker);
+      }
+
+      // Disable all buttons
+      optionButtonsRef.current.forEach(button => {
+        if (button) button.disabled = true;
+      });
+
+      // Highlight the correct button
+      const correctButtonIndex = options.indexOf(currentChar);
+      if (correctButtonIndex !== -1 && optionButtonsRef.current[correctButtonIndex]) {
+        const button = optionButtonsRef.current[correctButtonIndex];
+        if (button) button.classList.add('correct');
+      }
+
+      // Move to next round after delay
+      setTimeout(newRound, 1500);
+    } else {
+      // Incorrect answer
+      setFeedback('Incorrect! The correct answer was ' + currentChar);
+
+      // Add to score tracker
+      const scoreTracker = document.getElementById('scoreTracker');
+      if (scoreTracker) {
+        const marker = document.createElement('div');
+        marker.className = 'score-marker incorrect';
+        scoreTracker.appendChild(marker);
+      }
+
+      // Disable all buttons
+      optionButtonsRef.current.forEach(button => {
+        if (button) button.disabled = true;
+      });
+
+      // Highlight the incorrect button and show the correct one
+      const selectedButtonIndex = options.indexOf(selectedChar);
+      if (selectedButtonIndex !== -1 && optionButtonsRef.current[selectedButtonIndex]) {
+        const button = optionButtonsRef.current[selectedButtonIndex];
+        if (button) button.classList.add('incorrect');
+      }
+
+      const correctButtonIndex = options.indexOf(currentChar);
+      if (correctButtonIndex !== -1 && optionButtonsRef.current[correctButtonIndex]) {
+        const button = optionButtonsRef.current[correctButtonIndex];
+        if (button) button.classList.add('correct');
+      }
+
+      // Move to next round after delay
+      setTimeout(newRound, 2000);
+    }
+
+    setTotalPlayed(prevTotal => prevTotal + 1);
+  };
+
+  // Handle keyboard input
+  useEffect(() => {
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (!gameStarted) return;
+
+      const key = event.key.toUpperCase();
+
+      // Find if any button has this character
+      const index = options.findIndex(option => option === key);
+      if (index !== -1) {
+        const button = optionButtonsRef.current[index];
+        if (button && !button.disabled) {
+          button.classList.add('key-pressed');
+          setTimeout(() => {
+            button.classList.remove('key-pressed');
+            checkAnswer(key);
+          }, 100);
+        }
+      }
+    };
+
+    document.addEventListener('keydown', handleKeyDown);
+    return () => {
+      document.removeEventListener('keydown', handleKeyDown);
+    };
+  }, [gameStarted, options]);
+
+  // Utility function to shuffle an array
+  const shuffleArray = (array: string[]) => {
+    const newArray = [...array];
+    for (let i = newArray.length - 1; i > 0; i--) {
+      const j = Math.floor(Math.random() * (i + 1));
+      [newArray[i], newArray[j]] = [newArray[j], newArray[i]];
+    }
+    return newArray;
+  };
+
+  // Get Morse code representation for a character
+  const getMorseCode = (char: string) => {
+    const morseMap: { [key: string]: string } = {
+      'A': '·−', 'B': '−···', 'C': '−·−·', 'D': '−··', 'E': '·',
+      'F': '··−·', 'G': '−−·', 'H': '····', 'I': '··', 'J': '·−−−',
+      'K': '−·−', 'L': '·−··', 'M': '−−', 'N': '−·', 'O': '−−−',
+      'P': '·−−·', 'Q': '−−·−', 'R': '·−·', 'S': '···', 'T': '−',
+      'U': '··−', 'V': '···−', 'W': '·−−', 'X': '−··−', 'Y': '−·−−',
+      'Z': '−−··', '0': '−−−−−', '1': '·−−−−', '2': '··−−−', '3': '···−−',
+      '4': '····−', '5': '·····', '6': '−····', '7': '−−···', '8': '−−−··',
+      '9': '−−−−·', '.': '·−·−·−', ',': '−−··−−', '?': '··−−··', '/': '−··−·', '=': '−···−'
+    };
+
+    return morseMap[char] || '';
+  };
+
+  return (
+    <div className="container">
+      <h1><Link to="/" className="title-link">Morse Hero</Link></h1>
+
+      {!gameStarted ? (
+        <div id="startScreen">
+          <p>Learn Morse code the fun way!</p>
+          <button id="startButton" className="start-button" onClick={startGame}>Start</button>
+          <div className="chart-link">
+            <Link to="/chart">View Morse Code Chart</Link>
+          </div>
+        </div>
+      ) : (
+        <div id="gameArea" style={{ display: 'block' }}>
+          <div className="score-container">
+            <div className="score-widget">
+              <div className="score-info">
+                <div className="score-label">Score:</div>
+                <div className="score-value">
+                  <span id="score">{score}</span> / <span id="total">{totalPlayed}</span>
+                </div>
+              </div>
+              <div className="score-tracker" id="scoreTracker"></div>
+            </div>
+          </div>
+
+          <div className="game-container">
+            <div className="options">
+              {options.map((option, index) => (
+                <button
+                  key={index}
+                  className="option-button"
+                  ref={el => {
+                    optionButtonsRef.current[index] = el;
+                  }}
+                  onClick={() => checkAnswer(option)}
+                >
+                  <span className="char-display">{option}</span>
+                  {showHints && <span className="morse-hint">{getMorseCode(option)}</span>}
+                </button>
+              ))}
+            </div>
+
+            <div className="feedback" id="feedback">{feedback}</div>
+          </div>
+
+          <div className="settings">
+            <label htmlFor="wpmSelect">Speed:</label>
+            <select
+              id="wpmSelect"
+              value={wpm}
+              onChange={(e) => setWpm(parseInt(e.target.value))}
+            >
+              <option value="10">10 WPM</option>
+              <option value="15">15 WPM</option>
+              <option value="20">20 WPM</option>
+              <option value="25">25 WPM</option>
+              <option value="30">30 WPM</option>
+            </select>
+            <div className="hint-setting">
+              <input
+                type="checkbox"
+                id="hintMode"
+                name="hintMode"
+                checked={showHints}
+                onChange={(e) => setShowHints(e.target.checked)}
+              />
+              <label htmlFor="hintMode">Show Hints</label>
+            </div>
+          </div>
+        </div>
+      )}
+
+      <footer className="footer">
+        <p>Need help? View the <Link to="/chart">Morse Code Chart</Link>. </p>
+        <p>Created with <a href="https://www.mastercw.com/cw.js/">CW.js</a>. For a complete and professional
+          Morse Code training solution visit <a href="https://www.mastercw.com">Master CW</a>.</p>
+      </footer>
+    </div>
+  );
+};
+
+export default HomePage;