level up event

src/main/java/me/unurled/sacredrealms/sr/commands/admin/LevelCommand.java

@@ -50,9 +50,11 @@ public class LevelCommand implements TabExecutor {
     SRPlayer player = pm.getPlayer(target.getUniqueId());
 
     if (player != null) {
+      int level = player.getLevel();
       player.setLevel(Integer.parseInt(args[1]));
       // save player data
       pm.savePlayer(player);
+      pm.levelUp(player, level);
     } else {
       sender.sendMessage("Player not found.");
     }

src/main/java/me/unurled/sacredrealms/sr/components/player/PlayerManager.java

@@ -15,6 +15,7 @@ import me.unurled.sacredrealms.sr.data.gson.InventoryDeserializer;
 import me.unurled.sacredrealms.sr.data.gson.InventorySerializer;
 import me.unurled.sacredrealms.sr.data.gson.PotionEffectDeserializer;
 import me.unurled.sacredrealms.sr.data.gson.PotionEffectSerializer;
+import me.unurled.sacredrealms.sr.events.player.PlayerLevelUpEvent;
 import me.unurled.sacredrealms.sr.managers.Manager;
 import me.unurled.sacredrealms.sr.utils.Items;
 import org.bukkit.Bukkit;
@@ -201,4 +202,13 @@ public class PlayerManager extends Manager {
       e.setCancelled(true);
     }
   }
+
+  public void levelUp(SRPlayer p, int previousLevel) {
+    PlayerLevelUpEvent event = new PlayerLevelUpEvent(p, previousLevel);
+    event.callEvent();
+    Player player = Bukkit.getPlayer(p.getUuid());
+    if (player != null) {
+      player.sendMessage(event.getMessage());
+    }
+  }
 }

src/main/java/me/unurled/sacredrealms/sr/events/player/PlayerLevelUpEvent.java

@@ -0,0 +1,67 @@
+package me.unurled.sacredrealms.sr.events.player;
+
+import static me.unurled.sacredrealms.sr.utils.Component.comp;
+
+import me.unurled.sacredrealms.sr.components.player.SRPlayer;
+import net.kyori.adventure.text.Component;
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+public class PlayerLevelUpEvent extends Event {
+
+  private static final HandlerList HANDLER_LIST = new HandlerList();
+  private final SRPlayer p;
+  private final int previousLevel;
+  private Component message;
+
+  public PlayerLevelUpEvent(SRPlayer p, int previousLevel) {
+    super(true);
+    this.p = p;
+    this.previousLevel = previousLevel;
+    OfflinePlayer pa = Bukkit.getOfflinePlayer(p.getUuid());
+    /*
+     * <blue>--------------------------------------------------
+     *
+     * <rainbow>You have leveled up from 1 to 2!
+     *
+     * <blue>--------------------------------------------------
+     */
+    message =
+        comp(
+            "<blue>--------------------------------------------------<br>"
+                + "<br><rainbow>You have leveled up from "
+                + previousLevel
+                + " to "
+                + p.getLevel()
+                + "!<br>"
+                + "<br><blue>--------------------------------------------------");
+  }
+
+  public static HandlerList getHandlerList() {
+    return HANDLER_LIST;
+  }
+
+  @Override
+  public @NotNull HandlerList getHandlers() {
+    return HANDLER_LIST;
+  }
+
+  public SRPlayer getPlayer() {
+    return p;
+  }
+
+  public int getPreviousLevel() {
+    return previousLevel;
+  }
+
+  public Component getMessage() {
+    return message;
+  }
+
+  public void setMessage(Component message) {
+    this.message = message;
+  }
+}