first commit

src/main/java/de/winniepat/fallSMPRewards/model/PlayerData.java

@@ -0,0 +1,78 @@
+package de.winniepat.fallSMPRewards.model;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+
+public final class PlayerData {
+
+    private UUID uuid;
+    private int totalKills;
+    private Set<String> claimedQuestIds;
+    private Map<String, Long> lastCountedKillByVictim;
+
+    public PlayerData() {
+        // Required for Gson.
+    }
+
+    public PlayerData(UUID uuid) {
+        this.uuid = uuid;
+        this.totalKills = 0;
+        this.claimedQuestIds = new HashSet<>();
+        this.lastCountedKillByVictim = new HashMap<>();
+    }
+
+    public void sanitize(UUID expectedUuid) {
+        if (uuid == null) {
+            uuid = expectedUuid;
+        }
+        if (claimedQuestIds == null) {
+            claimedQuestIds = new HashSet<>();
+        }
+        if (lastCountedKillByVictim == null) {
+            lastCountedKillByVictim = new HashMap<>();
+        }
+        if (totalKills < 0) {
+            totalKills = 0;
+        }
+    }
+
+    public UUID getUuid() {
+        return uuid;
+    }
+
+    public int getTotalKills() {
+        return totalKills;
+    }
+
+    public int addKill() {
+        totalKills++;
+        return totalKills;
+    }
+
+    public long getRemainingCooldownMillis(UUID victimUuid, long cooldownMillis, long nowMillis) {
+        Long lastCountedMillis = lastCountedKillByVictim.get(victimUuid.toString());
+        if (lastCountedMillis == null) {
+            return 0L;
+        }
+        long elapsed = nowMillis - lastCountedMillis;
+        if (elapsed >= cooldownMillis) {
+            return 0L;
+        }
+        return cooldownMillis - elapsed;
+    }
+
+    public void setLastCountedKill(UUID victimUuid, long nowMillis) {
+        lastCountedKillByVictim.put(victimUuid.toString(), nowMillis);
+    }
+
+    public boolean hasClaimed(String questId) {
+        return claimedQuestIds.contains(questId);
+    }
+
+    public boolean claim(String questId) {
+        return claimedQuestIds.add(questId);
+    }
+}