[USER STORY] Add input validation to WordGuessGame #25

JottoGame.java

@@ -61,9 +61,10 @@ public Optional<Integer> play() {
                            + "letters: \"B\" and \"I\". ");
         int attemptsLeft = MAX_GUESSES;
 
-        while (attemptsLeft > 0) {
-            System.out.print("Enter guess: ");
-            String guess = scanner.nextLine().trim().toUpperCase();
+          while (attemptsLeft > 0) {
+                System.out.println("Remaining number of guesses: " + attemptsLeft);
+				System.out.print("Enter guess: ");
+                String guess = scanner.nextLine().trim().toUpperCase();
 
             if (guess.length() != WORD_LENGTH || !guess.matches("[A-Z]+")) {
                 System.out.println("Invalid input. "

WordGuessGame.java

@@ -1,4 +1,6 @@
 import java.util.Optional;
+import java.util.Scanner;
+
 
 /**
  * A word guessing game similar to Wordle.
@@ -11,7 +13,10 @@
  * @version 1
  */
 class WordGuessGame implements Game {
-
+	int NumberOfGuesses = 6;
+	Scanner input = new Scanner(System.in);
+	String secretWord = "APPLE";
+
     @Override
     public String getName() {
         return "Word Guess";
@@ -31,6 +36,26 @@ public Optional<Integer> play() {
             "Your score is determined by the number of attempts remaining"
             + " after you guessed the word correctly!"
         );
-        return Optional.empty();
+
+		String guess = EnterGuess();
+		guess = GuessData(guess);
+		NumberOfGuesses--;
+		return Optional.of(NumberOfGuesses);
     }
+	public String EnterGuess(){
+		System.out.println("enter your 5 letter guess");
+		return input.nextLine();
+}
+
+	public String GuessData(String guess){
+		int guessLength = guess.length();
+		if (guessLength != 5 || !guess.matches("[a-zA-Z0-9]{5}")){
+			System.out.println("your guess needs to be 5 letters long");
+			guess = EnterGuess();
+			guess = GuessData(guess);
+			return guess;
+	}else {
+		return guess;
+	}
+}
 }

WordGuessGameTest.java

@@ -27,6 +27,21 @@ public void testCorrectGuessOnFirstTry() {
         System.setIn(originalIn);
     }
 
+    @Test
+    public void testIfAllowNumberInput() {
+        String simulatedInput = "MANG0\n";
+        InputStream originalIn = System.in;
+        System.setIn(new ByteArrayInputStream(simulatedInput.getBytes()));
+
+        WordGuessGame game = new WordGuessGame();
+        Optional<Integer> result = game.play();
+
+        assertTrue(result.isPresent());
+        assertEquals(5, result.get());
+
+        System.setIn(originalIn);
+    }
+
     @Test
     public void testIncorrectThenCorrectGuess() {
         String simulatedInput = "MANGO\nAPPLE\n";