From dbdaee6be1c6d6a4578130acbbfec29433cc71c1 Mon Sep 17 00:00:00 2001
From: Saba Fazlali <saba.fazlali@gmail.com>
Date: Fri, 9 Feb 2024 18:28:32 +0100
Subject: [PATCH 1/2] hint after 3 mistakes - function impl

---
 src/main/c/Hangman/playHangman.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/src/main/c/Hangman/playHangman.c b/src/main/c/Hangman/playHangman.c
index 59fa7cc..3dc3936 100644
--- a/src/main/c/Hangman/playHangman.c
+++ b/src/main/c/Hangman/playHangman.c
@@ -9,6 +9,34 @@ char toLower(char ch) {
     return ch;
 }
 
+// Hint function
+char *hint = NULL;
+int hintAvailable = 1;
+
+char generateHint(char *wordToGuess, char *guessedLetters) {
+    int length = strlen(wordToGuess);
+    char availableLetters[length]; // Array to store letters not guessed yet
+    int numAvailableLetters = 0;
+
+    // Check each letter in the word
+    for (int i = 0; i < length; i++) {
+        char letter = wordToGuess[i];
+        // Check if the letter has not been guessed
+        if (strchr(guessedLetters, letter) == NULL) {
+            availableLetters[numAvailableLetters++] = letter; // Store the available letter
+        }
+    }
+
+    // Randomly select a letter from available letters
+    if (numAvailableLetters > 0) {
+        int randomIndex = rand() % numAvailableLetters;
+        return availableLetters[randomIndex];
+    } else {
+        // No available letters, return a placeholder value
+        return '-';
+    }
+}
+
 void playHangman() {
     char *wordToGuess;
     int mistakes = 0;

From aedad7f488bca8b5261865b62d3df9a07b407ea5 Mon Sep 17 00:00:00 2001
From: Saba Fazlali <saba.fazlali@gmail.com>
Date: Fri, 9 Feb 2024 18:28:47 +0100
Subject: [PATCH 2/2] hint after 3 mistakes - usage

---
 src/main/c/Hangman/playHangman.c | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/main/c/Hangman/playHangman.c b/src/main/c/Hangman/playHangman.c
index 3dc3936..d80e197 100644
--- a/src/main/c/Hangman/playHangman.c
+++ b/src/main/c/Hangman/playHangman.c
@@ -40,7 +40,7 @@ char generateHint(char *wordToGuess, char *guessedLetters) {
 void playHangman() {
     char *wordToGuess;
     int mistakes = 0;
-    int score = 10;
+    int score = 6;
     char guessedLetters[30] = ""; //Guessed letters
     char currentGuess[50];  //Current state of the guessed word
     int difficulty;
@@ -60,6 +60,27 @@ void playHangman() {
 
     while (mistakes < MAX_MISTAKES) {
 
+        // Asks for hint
+        if (mistakes == 3 && hintAvailable) {
+            int wantHint;
+            printf("Do you want a hint? (1 or 2): \n");
+            printf("1. YES\n");
+            printf("2. NO\n");
+
+            scanf(" %d", &wantHint);
+            if (tolower(wantHint) == 1) {
+                char hintLetter = generateHint(wordToGuess, guessedLetters);
+                if (hintLetter != '-') {
+                    printf("Hint: %c\n", hintLetter); // Provide the hint
+                    hintAvailable = 0;                // Hint is provided, mark as unavailable
+                } else {
+                    printf("No available hint.\n");
+                }
+            } else {
+                printf("No hint provided.\n");
+            }
+        }
+
         // Get a letter from the user
         char input[20];
         printf("Enter your guess: \n");
@@ -107,7 +128,7 @@ void playHangman() {
         if (strcmp(currentGuess, wordToGuess) == 0) {
             currentState(currentGuess, mistakes);
             printf("Bravo! You guessed the word: %s \n", wordToGuess);
-            printf("your score is %d/10\n", score);
+            printf("your score is %d/6\n", score);
             printf("\n"
                    " __   __         __      __        _ \n"
                    " \\ \\ / /__ _  _  \\ \\    / /__ _ _ | |\n"