feat: add adaptive AI opponent with difficulty levels and interactive UI enhancements

games/Rock-Paper-Scissor/Rock-Paper-Scissor.py

@@ -5,27 +5,123 @@ def __init__(self):
         """Initializes the game state without blocking execution."""
         self.user_score = 0
         self.computer_score = 0
-        self.rounds_played = 0 
+        self.rounds_played = 0
         # Perfectly mirrors the JS choices array ['rock', 'paper', 'scissors']
         self.choices = ["rock", "paper", "scissors"]
+        # Counter look-up: what beats each move
+        self.beaten_by = {"rock": "paper", "paper": "scissors", "scissors": "rock"}
+        # Player history for adaptive AI (capped at recent 20 moves)
+        self.player_history = []
+        self.HISTORY_CAP  = 20
+        self.MIN_ADAPTIVE = 3     # rounds before adaptive mode activates
+        self.ADAPT_RATE   = 0.70  # probability of playing counter vs random
 
+    # ── Adaptive AI logic ────────────────────────────────────────────────
+    def _get_move_frequencies(self):
+        """Returns overall frequency dict for player history."""
+        freq = {"rock": 0, "paper": 0, "scissors": 0}
+        for move in self.player_history:
+            freq[move] += 1
+        return freq
+
+    def _get_markov_transitions(self, last_move):
+        """Returns transition counts from last_move to the next move in history."""
+        transitions = {"rock": 0, "paper": 0, "scissors": 0}
+        for i in range(len(self.player_history) - 1):
+            if self.player_history[i] == last_move:
+                transitions[self.player_history[i + 1]] += 1
+        return transitions
+
+    def _predict_player_move(self):
+        """
+        Uses a blended Markov-chain + frequency model to predict the player's
+        next move. Returns (predicted_move, confidence_pct) or (None, None)
+        if there is not enough data.
+        """
+        n = len(self.player_history)
+        if n < self.MIN_ADAPTIVE:
+            return None, None
+
+        freq  = self._get_move_frequencies()
+        last  = self.player_history[-1]
+        trans = self._get_markov_transitions(last)
+        total = sum(trans.values())
+
+        if total > 0:
+            # Blend: 60 % Markov, 40 % frequency
+            blended = {}
+            for c in self.choices:
+                blended[c] = (0.6 * trans[c] / total) + (0.4 * freq[c] / n)
+            predicted  = max(blended, key=blended.get)
+            confidence = round(blended[predicted] * 100)
+        else:
+            # Fallback to pure frequency
+            predicted  = max(freq, key=freq.get)
+            confidence = round(freq[predicted] / n * 100)
+
+        return predicted, confidence
+
+    def get_adaptive_computer_choice(self):
+        """
+        Returns (computer_choice, predicted_player_move, confidence_pct, mode).
+        Plays the counter-move 70 % of the time; random otherwise for balance.
+        """
+        predicted, confidence = self._predict_player_move()
+
+        if predicted is None:
+            return random.choice(self.choices), None, None, "learning"
+
+        if random.random() < self.ADAPT_RATE:
+            computer_choice = self.beaten_by[predicted]
+            mode = "adaptive"
+        else:
+            computer_choice = random.choice(self.choices)
+            mode = "random"
+
+        return computer_choice, predicted, confidence, mode
+
+    # ── Stats helpers ────────────────────────────────────────────────────
+    def _most_frequent_choice(self):
+        if not self.player_history:
+            return None
+        freq = self._get_move_frequencies()
+        return max(freq, key=freq.get)
+
+    # ── Gameplay ─────────────────────────────────────────────────────────
     def users_play(self):
-        """Handles a single round of interaction."""
+        """Handles a single round of interaction with adaptive computer logic."""
         user_choice = ""
         while user_choice not in self.choices:
             user_choice = input("Enter your choice (rock, paper, or scissors): ").lower()
             if user_choice not in self.choices:
                 print("Invalid choice. Please choose rock, paper, or scissors.")
 
-        computer_choice = random.choice(self.choices)
-        print(f"Computer chose: {computer_choice}")
+        # AI decides BEFORE we record the player's move (prediction is based on prior history)
+        computer_choice, predicted, confidence, mode = self.get_adaptive_computer_choice()
 
+        # Print AI brain info after first MIN_ADAPTIVE rounds
+        if len(self.player_history) >= self.MIN_ADAPTIVE and predicted is not None:
+            fav = self._most_frequent_choice()
+            print(f"\n  🧠 Computer Brain [{mode.upper()}]")
+            print(f"     Your favourite move  : {fav}")
+            print(f"     Predicted your move  : {predicted} ({confidence}% confidence)")
+            print(f"     Computer chose       : {computer_choice}")
+        else:
+            remaining = self.MIN_ADAPTIVE - len(self.player_history)
+            if remaining > 0:
+                print(f"\n  🧠 Computer Brain [LEARNING] — observing for {remaining} more move(s)...")
+            print(f"  Computer chose: {computer_choice}")
+
+        # Record player move after AI has decided
+        self.player_history.append(user_choice)
+        if len(self.player_history) > self.HISTORY_CAP:
+            self.player_history.pop(0)
+
+        # Determine round winner
         if user_choice == computer_choice:
             print("It's a Tie! 🤝")
             return "tie"
-        elif (user_choice == "rock" and computer_choice == "scissors") or \
-             (user_choice == "paper" and computer_choice == "rock") or \
-             (user_choice == "scissors" and computer_choice == "paper"):
+        elif self.beaten_by[computer_choice] == user_choice:
             print("You Win this round! 🎉")
             return "user"
         else:
@@ -35,30 +131,39 @@ def users_play(self):
     def statistics(self):
         """Displays performance statistics matching the web dashboard metrics."""
         print("\n--- Game Statistics ---")
-        print(f"Rounds Played: {self.rounds_played}")
-        print(f"Your Score: {self.user_score}")
-        print(f"Computer Score: {self.computer_score}")
+        print(f"Rounds Played  : {self.rounds_played}")
+        print(f"Your Score     : {self.user_score}")
+        print(f"Computer Score : {self.computer_score}")
+        fav = self._most_frequent_choice()
+        if fav:
+            freq = self._get_move_frequencies()
+            pct  = round(freq[fav] / len(self.player_history) * 100)
+            print(f"Your Favourite : {fav} ({pct}% of plays)")
 
     def save_game(self):
         """Appends the final game results to a local tracking log."""
         name = input("Enter your name to save the results (optional): ")
         if not name:
             name = "Anonymous"
-        result_string = f"Player: {name}, Final Score: {self.user_score} - {self.computer_score} (User-Computer), Rounds: {self.rounds_played}\n"
+        result_string = (
+            f"Player: {name}, Final Score: {self.user_score} - {self.computer_score} "
+            f"(User-Computer), Rounds: {self.rounds_played}\n"
+        )
         try:
             with open("game_results.txt", "a") as f:
                 f.write(result_string)
             print("Game results saved successfully.")
         except IOError:
             print("Error: Could not save game results to file.")
 
-    def play_game(self): 
+    def play_game(self):
         """Launches the primary interactive gameplay loop."""
         print("Welcome to Rock, Paper, Scissors!")
+        print("The computer will learn your patterns and adapt — good luck! 🧠")
         while True:
             self.rounds_played += 1
             print(f"\n--- Round {self.rounds_played} ---")
-            
+
             round_winner = self.users_play()
 
             if round_winner == "user":
@@ -74,6 +179,7 @@ def play_game(self):
                 self.save_game()
                 break
 
+
 # Standard execution block ensuring clean instantiation
 if __name__ == "__main__":
     game = Rock_Paper_Scissors()

web-app/index.html

@@ -1097,6 +1097,13 @@
 </div>
 </div>
 </nav>
+<!-- CENTER SEARCH -->
+ <div class="search-box-container">
+     <div class="search-box">
+         <i class="fas fa-search"></i>
+         <input aria-label="Search projects" id="heroSearchInput" placeholder="Search projects or games..." type="text"/>
+        </div>
+    </div>
 <!-- ── Sticky Category Filter Bar ─────────────────────────────── -->
 <!-- Appears below navbar when user scrolls past the hero section  -->
 <main id="main-content" tabindex="-1">
@@ -1740,14 +1747,13 @@ <h3>Stay Updated</h3>
 <script src="js/hero-canvas.js"></script>
 <!-- Search Functionality -->
 <script>
-        const searchInput = document.getElementById("searchInput");
+        const navSearchInput = document.getElementById("searchInput");
+        const heroSearchInput = document.getElementById("heroSearchInput");
 
         // Select all project cards
         const projectCards = document.querySelectorAll(".project-card");
 
-        searchInput.addEventListener("input", () => {
-            const searchValue = searchInput.value.toLowerCase();
-
+        function filterCards(searchValue) {
             projectCards.forEach(card => {
                 const title = card.querySelector("h3").textContent.toLowerCase();
                 const description = card.querySelector("p").textContent.toLowerCase();
@@ -1761,7 +1767,23 @@ <h3>Stay Updated</h3>
                     card.style.display = "none";
                 }
             });
-        });
+        }
+
+        // Sync both search inputs and filter cards
+        if (navSearchInput) {
+            navSearchInput.addEventListener("input", () => {
+                const val = navSearchInput.value.toLowerCase();
+                if (heroSearchInput) heroSearchInput.value = navSearchInput.value;
+                filterCards(val);
+            });
+        }
+        if (heroSearchInput) {
+            heroSearchInput.addEventListener("input", () => {
+                const val = heroSearchInput.value.toLowerCase();
+                if (navSearchInput) navSearchInput.value = heroSearchInput.value;
+                filterCards(val);
+            });
+        }
 
     // Handle Scroll Transitions to resize the floating layout dynamically
     const mainNavbar = document.getElementById("mainNavbar");