feat: add maintenance mode

src/main/java/cn/infstar/essentialsC/commands/CommandRegistry.java

@@ -42,6 +42,7 @@ public final class CommandRegistry {
         register("repair", "essentialsc.command.repair", ModuleManager.PLAYER, "cn.infstar.essentialsC.commands.RepairCommand", "rep");
         register("tpsbar", "essentialsc.command.tpsbar", ModuleManager.TPSBAR, "cn.infstar.essentialsC.commands.TpsBarCommand");
         register("mobdrops", "essentialsc.mobdrops.enderman", ModuleManager.MOB_DROPS, "cn.infstar.essentialsC.commands.MobDropCommand");
+        register("maintenance", "essentialsc.command.maintenance", ModuleManager.MAINTENANCE, "cn.infstar.essentialsC.commands.MaintenanceCommand", "maint");
         registerSubCommand("admin", "essentialsc.command.admin", ModuleManager.ADMIN_MODE, "cn.infstar.essentialsC.commands.AdminCommand");
     }
 

src/main/java/cn/infstar/essentialsC/commands/HelpCommand.java

@@ -37,6 +37,9 @@ public class HelpCommand extends BaseCommand implements TabCompleter {
             EssentialsC.getLangManager().reload();
             plugin.getModuleManager().reload();
             CommandRegistry.clearCache();
+            if (plugin.getMaintenanceManager() != null && plugin.getModuleManager().isEnabled(ModuleManager.MAINTENANCE)) {
+                plugin.getMaintenanceManager().reload();
+            }
             TpsBarService tpsBarService = plugin.getTpsBarManager();
             if (tpsBarService != null) {
                 if (plugin.getModuleManager().isEnabled(ModuleManager.TPSBAR)) {
@@ -65,6 +68,9 @@ public class HelpCommand extends BaseCommand implements TabCompleter {
                 EssentialsC.getLangManager().reload();
                 plugin.getModuleManager().reload();
                 CommandRegistry.clearCache();
+                if (plugin.getMaintenanceManager() != null && plugin.getModuleManager().isEnabled(ModuleManager.MAINTENANCE)) {
+                    plugin.getMaintenanceManager().reload();
+                }
                 TpsBarService tpsBarService = plugin.getTpsBarManager();
                 if (tpsBarService != null) {
                     if (plugin.getModuleManager().isEnabled(ModuleManager.TPSBAR)) {
@@ -201,6 +207,10 @@ public class HelpCommand extends BaseCommand implements TabCompleter {
             otherCommands.append(lang.getString("help.commands.tpsbar")).append("\n");
             hasOtherCommands = true;
         }
+        if (CommandRegistry.isAvailable("maintenance") && player.hasPermission("essentialsc.command.maintenance")) {
+            otherCommands.append(lang.getString("help.commands.maintenance")).append("\n");
+            hasOtherCommands = true;
+        }
 
         if (hasOtherCommands) {
             sendPrefixed(player, lang.getString("help.section-other"));
@@ -272,6 +282,8 @@ public class HelpCommand extends BaseCommand implements TabCompleter {
                 {"repair", "essentialsc.command.repair"},
                 {"rep", "essentialsc.command.repair"},
                 {"tpsbar", "essentialsc.command.tpsbar"},
+                {"maintenance", "essentialsc.command.maintenance"},
+                {"maint", "essentialsc.command.maintenance"},
                 {"mobdrops", "essentialsc.mobdrops.enderman"},
                 {"admin", "essentialsc.command.admin"},
                 {"version", null},
@@ -324,6 +336,11 @@ public class HelpCommand extends BaseCommand implements TabCompleter {
                 }
                 return players;
             }
+
+            if ((subCmd.equals("maintenance") || subCmd.equals("maint"))
+                && sender.hasPermission("essentialsc.command.maintenance")) {
+                return completeMaintenanceArgs(args[1]);
+            }
         }
 
         return new ArrayList<>();
@@ -339,4 +356,15 @@ public class HelpCommand extends BaseCommand implements TabCompleter {
         }
         return completions;
     }
+
+    private List<String> completeMaintenanceArgs(String partialInput) {
+        List<String> completions = new ArrayList<>();
+        String partial = partialInput.toLowerCase();
+        for (String option : List.of("on", "off", "status", "reload")) {
+            if (option.startsWith(partial)) {
+                completions.add(option);
+            }
+        }
+        return completions;
+    }
 }

src/main/java/cn/infstar/essentialsC/commands/MaintenanceCommand.java

@@ -0,0 +1,86 @@
+package cn.infstar.essentialsC.commands;
+
+import cn.infstar.essentialsC.maintenance.MaintenanceManager;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.TabCompleter;
+import org.bukkit.entity.Player;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MaintenanceCommand extends BaseCommand implements TabCompleter {
+
+    public MaintenanceCommand() {
+        super("essentialsc.command.maintenance");
+    }
+
+    @Override
+    protected boolean execute(Player player, String[] args) {
+        return executeCommand(player, args);
+    }
+
+    @Override
+    protected boolean executeConsole(CommandSender sender, String[] args) {
+        return executeCommand(sender, args);
+    }
+
+    private boolean executeCommand(CommandSender sender, String[] args) {
+        MaintenanceManager maintenanceManager = plugin.getMaintenanceManager();
+        if (maintenanceManager == null) {
+            sender.sendMessage(getLang().getPrefixedString("messages.module-disabled"));
+            return true;
+        }
+
+        if (args.length == 0 || args[0].equalsIgnoreCase("status")) {
+            sendStatus(sender, maintenanceManager);
+            return true;
+        }
+
+        switch (args[0].toLowerCase()) {
+            case "on", "enable", "enabled" -> {
+                maintenanceManager.setEnabled(true);
+                sender.sendMessage(getLang().getPrefixedString("maintenance.messages.enabled"));
+                return true;
+            }
+            case "off", "disable", "disabled" -> {
+                maintenanceManager.setEnabled(false);
+                sender.sendMessage(getLang().getPrefixedString("maintenance.messages.disabled"));
+                return true;
+            }
+            case "reload" -> {
+                maintenanceManager.reload();
+                sender.sendMessage(getLang().getPrefixedString("maintenance.messages.reloaded"));
+                return true;
+            }
+            default -> {
+                sender.sendMessage(getLang().getPrefixedString("maintenance.messages.usage"));
+                return true;
+            }
+        }
+    }
+
+    private void sendStatus(CommandSender sender, MaintenanceManager maintenanceManager) {
+        String status = getLang().getString(maintenanceManager.isEnabled()
+            ? "maintenance.status.enabled"
+            : "maintenance.status.disabled");
+        sender.sendMessage(getLang().getPrefixedString("maintenance.messages.status",
+            java.util.Map.of("status", status)));
+    }
+
+    @Override
+    public List<String> onTabComplete(CommandSender sender, Command command, String label, String[] args) {
+        if (args.length != 1 || !sender.hasPermission(getPermission())) {
+            return List.of();
+        }
+
+        String partial = args[0].toLowerCase();
+        List<String> completions = new ArrayList<>();
+        for (String option : List.of("on", "off", "status", "reload")) {
+            if (option.startsWith(partial)) {
+                completions.add(option);
+            }
+        }
+        return completions;
+    }
+}