fix default configs & add update checker

build.gradle

@@ -12,6 +12,9 @@ repositories {
     maven {
         url "https://repo.extendedclip.com/content/repositories/placeholderapi/"
     }
+    maven {
+        url "https://jitpack.io/"
+    }
 }
 
 dependencies {
@@ -27,10 +30,11 @@ dependencies {
     implementation "commons-io:commons-io:2.11.0"
     implementation "com.google.code.gson:gson:2.10.1"
     implementation "org.bstats:bstats-bukkit:3.0.2"
+    implementation "com.github.robertlit:SpigotResourcesAPI:2.0"
 }
 
 group "lol.pyr"
-version "1.0.3"
+version "1.0.4"
 
 compileJava {
     options.release.set(17)
@@ -41,6 +45,7 @@ shadowJar {
     relocate "org.bstats", "lol.pyr.znpcsplus.lib.bstats"
     relocate "org.apache.commons", "lol.pyr.znpcsplus.lib.commons"
     relocate "com.google.gson", "lol.pyr.znpcsplus.lib.gson"
+    relocate "me.robertlit.spigotresources", "lol.pyr.znpcsplus.lib.spigotapi"
     minimize()
 }
 

src/main/java/io/github/znetworkw/znpcservers/configuration/Configuration.java

@@ -39,6 +39,7 @@ public class Configuration {
         this.path = path;
         this.configurationValues = ConfigurationValue.VALUES_BY_NAME.get(name).stream().collect(Collectors.toMap((c) -> c, ConfigurationValue::getValue));
         this.onLoad();
+        this.save();
     }
 
     protected void onLoad() {

src/main/java/io/github/znetworkw/znpcservers/configuration/ConfigurationConstants.java

@@ -7,16 +7,12 @@ import java.util.List;
 
 public final class ConfigurationConstants {
     public static final String SPACE_SYMBOL = Configuration.CONFIGURATION.getValue(ConfigurationValue.REPLACE_SYMBOL);
-
     public static final int VIEW_DISTANCE = Configuration.CONFIGURATION.<Integer>getValue(ConfigurationValue.VIEW_DISTANCE);
-
     public static final int SAVE_DELAY = Configuration.CONFIGURATION.<Integer>getValue(ConfigurationValue.SAVE_NPCS_DELAY_SECONDS);
-
     public static final boolean RGB_ANIMATION = Configuration.CONFIGURATION.<Boolean>getValue(ConfigurationValue.ANIMATION_RGB);
-
     public static final List<NPCModel> NPC_LIST = Configuration.DATA.getValue(ConfigurationValue.NPC_LIST);
-
     public static final List<Conversation> NPC_CONVERSATIONS = Configuration.CONVERSATIONS.getValue(ConfigurationValue.CONVERSATION_LIST);
+    public static final boolean CHECK_FOR_UPDATES = Configuration.CONFIGURATION.getValue(ConfigurationValue.CHECK_FOR_UPDATES);
 
     static {
         NPC_LIST.stream()

src/main/java/io/github/znetworkw/znpcservers/configuration/ConfigurationValue.java

@@ -18,9 +18,10 @@ public enum ConfigurationValue {
     SAVE_NPCS_DELAY_SECONDS("config", 600, Integer.class),
     MAX_PATH_LOCATIONS("config", 500, Integer.class),
     NAMING_METHOD("config", NamingType.DEFAULT, NamingType.class),
-    DEBUG_ENABLED("config", Boolean.TRUE, Boolean.class),
+    DEBUG_ENABLED("config", true, Boolean.class),
     LINE_SPACING("config", 0.3D, Double.class),
-    ANIMATION_RGB("config", Boolean.FALSE, Boolean.class),
+    ANIMATION_RGB("config", false, Boolean.class),
+    CHECK_FOR_UPDATES("config", true, Boolean.class),
     NO_PERMISSION("messages", "&cYou do not have permission to execute this command.", String.class),
     SUCCESS("messages", "&aSuccess!", String.class),
     INCORRECT_USAGE("messages", "&cThe arguments you specified are invalid. Type &f/znpcs help&c for examples.", String.class),

src/main/java/lol/pyr/znpcsplus/ZNPCsPlus.java

@@ -19,6 +19,8 @@ import io.github.znetworkw.znpcservers.utility.BungeeUtils;
 import io.github.znetworkw.znpcservers.utility.SchedulerUtils;
 import io.github.znetworkw.znpcservers.utility.itemstack.ItemStackSerializer;
 import io.github.znetworkw.znpcservers.utility.location.ZLocation;
+import lol.pyr.znpcsplus.updater.UpdateChecker;
+import lol.pyr.znpcsplus.updater.UpdateNotificationListener;
 import org.apache.commons.io.FileUtils;
 import org.bstats.bukkit.Metrics;
 import org.bukkit.Bukkit;
@@ -118,6 +120,7 @@ public class ZNPCsPlus extends JavaPlugin {
         new NPCSaveTask(this, ConfigurationConstants.SAVE_DELAY);
         new PlayerListener(this);
         new InventoryListener(this);
+        if (ConfigurationConstants.CHECK_FOR_UPDATES) new UpdateNotificationListener(this, new UpdateChecker(this));
 
         enabled = true;
         serverLogger.info(ChatColor.WHITE + " * Loading complete! (" + (System.currentTimeMillis() - before) + "ms)");

src/main/java/lol/pyr/znpcsplus/updater/UpdateChecker.java

@@ -0,0 +1,56 @@
+package lol.pyr.znpcsplus.updater;
+
+import lol.pyr.znpcsplus.ZNPCsPlus;
+import me.robertlit.spigotresources.api.Resource;
+import me.robertlit.spigotresources.api.SpigotResourcesAPI;
+import org.bukkit.scheduler.BukkitRunnable;
+
+import java.util.concurrent.TimeUnit;
+
+@SuppressWarnings("deprecation")
+public class UpdateChecker extends BukkitRunnable {
+    private final static SpigotResourcesAPI api = new SpigotResourcesAPI(1, TimeUnit.MINUTES);
+    public final static int RESOURCE_ID = 109380;
+    public final static String DOWNLOAD_LINK = "https://www.spigotmc.org/resources/znpcsplus.109380/";
+
+    private final ZNPCsPlus plugin;
+    private Status status = Status.UNKNOWN;
+    private String newestVersion = "N/A";
+
+    public UpdateChecker(ZNPCsPlus plugin) {
+        this.plugin = plugin;
+        runTaskTimerAsynchronously(plugin, 5L, 6000L);
+    }
+
+    public void run() {
+        Resource resource = api.getResource(RESOURCE_ID).join();
+        newestVersion = resource.getVersion();
+
+        int current = versionToNumber(plugin.getDescription().getVersion());
+        int newest = versionToNumber(newestVersion);
+
+        status = current >= newest ? Status.LATEST_VERSION : Status.UPDATE_NEEDED;
+        if (status == Status.UPDATE_NEEDED) notifyConsole();
+    }
+
+    private void notifyConsole() {
+        ZNPCsPlus.LOGGER.warning("Version " + getLatestVersion() + " of " + plugin.getDescription().getName() + " is available now!");
+        ZNPCsPlus.LOGGER.warning("Download it at " + UpdateChecker.DOWNLOAD_LINK);
+    }
+
+    private int versionToNumber(String version) {
+        return Integer.parseInt(version.replaceAll("\\.", ""));
+    }
+
+    public Status getStatus() {
+        return status;
+    }
+
+    public String getLatestVersion() {
+        return newestVersion;
+    }
+
+    public enum Status {
+        UNKNOWN, LATEST_VERSION, UPDATE_NEEDED
+    }
+}

src/main/java/lol/pyr/znpcsplus/updater/UpdateNotificationListener.java

@@ -0,0 +1,33 @@
+package lol.pyr.znpcsplus.updater;
+
+import lol.pyr.znpcsplus.ZNPCsPlus;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.event.ClickEvent;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.Bukkit;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+
+@SuppressWarnings("deprecation")
+public class UpdateNotificationListener implements Listener {
+    private final ZNPCsPlus plugin;
+    private final UpdateChecker updateChecker;
+
+    public UpdateNotificationListener(ZNPCsPlus plugin, UpdateChecker updateChecker) {
+        this.plugin = plugin;
+        this.updateChecker = updateChecker;
+        plugin.getServer().getPluginManager().registerEvents(this, plugin);
+    }
+
+    @EventHandler
+    public void onJoin(PlayerJoinEvent event) {
+        if (!event.getPlayer().hasPermission("znpcsplus.updates")) return;
+        if (updateChecker.getStatus() != UpdateChecker.Status.UPDATE_NEEDED) return;
+        Bukkit.getScheduler().runTaskLater(plugin, () -> {
+            if (!event.getPlayer().isOnline()) return;
+            event.getPlayer().sendMessage(Component.text(plugin.getDescription().getName() + " v" + updateChecker.getLatestVersion() + " is available now!", NamedTextColor.GOLD).appendNewline()
+                    .append(Component.text("Click this message to open the Spigot page (CLICK)", NamedTextColor.YELLOW)).clickEvent(ClickEvent.openUrl(UpdateChecker.DOWNLOAD_LINK)));
+        }, 100L);
+    }
+}