Merge branch 'main' of https://github.com/utastudents/cse3310_sp24_gr…

…oup_8

src/main/java/uta/cse3310/Leaderboard.java

@@ -1,21 +1,49 @@
-package uta.cse3310;
-
-import java.util.*; 
-
-public class Leaderboard {
-
-        List<PlayerType> players;
-        int finalGameStats;
-
-        public Leaderboard(int finalGameStats) {
-                players = new ArrayList<>();
-                finalGameStats = finalGameStats;
-        }
-
-        public void display() {
-        }
-
-        public void reset() {
-        }
-
-}
+package uta.cse3310;
+
+import java.util.Map;
+import java.util.HashMap;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Collections;
+
+public class Leaderboard {
+
+    private Map<PlayerType, Integer> playerScores; // Map players to their scores
+
+    public Leaderboard() {
+        this.playerScores = new HashMap<>();
+    }
+
+    // Method to add or update the score for a player
+    public void addOrUpdatePlayer(PlayerType player, int score) {
+        playerScores.put(player, score); // Update the map with the new score
+    }
+
+    // Sorts players by score in descending order and returns a sorted list of players
+    public List<PlayerType> getSortedPlayers() {
+        List<Map.Entry<PlayerType, Integer>> sortedEntries = new ArrayList<>(playerScores.entrySet());
+        sortedEntries.sort(Map.Entry.<PlayerType, Integer>comparingByValue().reversed());
+
+    //Extract players for returning
+        List<PlayerType> sortedPlayers = new ArrayList<>();
+        for (Map.Entry<PlayerType, Integer> entry : sortedEntries) {
+            sortedPlayers.add(entry.getKey());
+        }
+        return sortedPlayers;
+
+    }
+
+    // Displays the leaderboard
+    public void display() {
+        List<PlayerType> sortedPlayers = getSortedPlayers();
+        System.out.println("Leaderboard:");
+        for (PlayerType player : sortedPlayers) {
+            System.out.println(player.getNickname() + " - Score:  " + playerScores.get(player));
+        }
+    }
+
+    // Resets the leaderboard for a new game
+    public void reset() {
+        playerScores.clear();
+    }
+}