Features:Add new version checking feature.

src/main/java/xaviermc/top/iseeyou/ConfigData.kt

@@ -11,6 +11,7 @@ data class ConfigData(
     var clearOutdatedRecordFile: OutdatedRecordRetentionConfig = OutdatedRecordRetentionConfig(),
     var recordSuspiciousPlayer: RecordSuspiciousPlayerConfig = RecordSuspiciousPlayerConfig(),
     var enableBstats: Boolean = true,
+    var enableUpdateChecker: Boolean = true,
     // var asyncSave: Boolean = false,
 ) {
     fun isConfigValid(): String? {

src/main/java/xaviermc/top/iseeyou/ISeeYou.kt

@@ -10,6 +10,7 @@ import xaviermc.top.iseeyou.anticheat.AntiCheatListener
 import xaviermc.top.iseeyou.anticheat.listeners.MatrixListener
 import xaviermc.top.iseeyou.anticheat.listeners.ThemisListener
 import xaviermc.top.iseeyou.anticheat.suspiciousPhotographers
+import xaviermc.top.iseeyou.lib.UpdateChecker
 import xaviermc.top.iseeyou.metrics.Metrics
 import java.io.IOException
 import java.nio.file.*
@@ -77,7 +78,10 @@ class ISeeYou : JavaPlugin(), CommandExecutor {
                 Metrics.SimplePie(
                     "chart_id"
                 ) { "My value" })
-
+        }
+        if (toml!!.data.enableUpdateChecker){
+            val updateChecker: UpdateChecker = UpdateChecker(this, 115177)
+            updateChecker.checkForUpdates()
         }
     }
 

src/main/java/xaviermc/top/iseeyou/lib/UpdateChecker.java

@@ -0,0 +1,51 @@
+package xaviermc.top.iseeyou.lib;
+
+import org.bukkit.Bukkit;
+import org.bukkit.plugin.PluginDescriptionFile;
+import org.bukkit.plugin.java.JavaPlugin;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.Scanner;
+import java.util.function.Consumer;
+
+public class UpdateChecker {
+
+    private final JavaPlugin plugin;
+    private final int resourceId;
+
+    public UpdateChecker(JavaPlugin plugin, int resourceId) {
+        this.plugin = plugin;
+        this.resourceId = resourceId;
+    }
+
+    public void getVersion(final Consumer<String> consumer) {
+        Bukkit.getScheduler().runTaskAsynchronously(this.plugin, () -> {
+            try (InputStream inputStream = new URL("https://api.spigotmc.org/legacy/update.php?resource=" + this.resourceId).openStream(); Scanner scanner = new Scanner(inputStream)) {
+                if (scanner.hasNext()) {
+                    consumer.accept(scanner.next());
+                }
+            } catch (IOException exception) {
+                plugin.getLogger().info("Failed to check for updates: " + exception.getMessage());
+            }
+        });
+    }
+
+    public void checkForUpdates() {
+        getVersion(version -> {
+            String currentVersion = "v1.1.6";
+            if (currentVersion.compareToIgnoreCase(version) > 0) {
+                plugin.getLogger().info("You are currently using a possible test version. For stability, please use the latest stable version!");
+                plugin.getLogger().info("The current latest stable version is: " + version);
+                String updateUrl = "https://www.spigotmc.org/resources/iseeyou-fork.115177/";
+                plugin.getLogger().info("Update URL: " + updateUrl);
+            } else if (currentVersion.equals(version)) {
+                plugin.getLogger().info("No new updates available.");
+            } else {
+                plugin.getLogger().info("A new update is available. Version: " + version);
+                String updateUrl = "https://www.spigotmc.org/resources/iseeyou-fork.115177/";
+                plugin.getLogger().info("Update URL: " + updateUrl);
+            }
+        });
+    }
+}