Add support for delaying commands.

src/main/java/fr/xephi/authme/settings/commandconfig/Command.java

@@ -9,6 +9,8 @@ public class Command {
     private String command;
     /** The executor of the command. */
     private Executor executor = Executor.PLAYER;
+    /** Delay before executing the command (in ticks) */
+    private long delay = 0;
 
     /**
      * Default constructor (for bean mapping).
@@ -27,6 +29,19 @@ public class Command {
         this.executor = executor;
     }
 
+    /**
+     * Constructor.
+     *
+     * @param command the command
+     * @param executor the executor of the command
+     * @param delay the delay (in ticks) before executing command
+     */
+    public Command(String command, Executor executor, long delay) {
+        this.command = command;
+        this.executor = executor;
+        this.delay = delay;
+    }
+
     public String getCommand() {
         return command;
     }
@@ -43,6 +58,14 @@ public class Command {
         this.executor = executor;
     }
 
+    public long getDelay() {
+        return delay;
+    }
+
+    public void setDelay(int delay) {
+        this.delay = delay;
+    }
+
     @Override
     public String toString() {
         return command + " (" + executor + ")";

src/main/java/fr/xephi/authme/settings/commandconfig/CommandManager.java

@@ -127,11 +127,13 @@ public class CommandManager implements Reloadable {
         for (T command : commands) {
             if (predicate.test(command)) {
                 final String execution = command.getCommand();
-                if (Executor.CONSOLE.equals(command.getExecutor())) {
-                    bukkitService.dispatchConsoleCommand(execution);
-                } else {
-                    bukkitService.dispatchCommand(player, execution);
-                }
+                bukkitService.scheduleSyncDelayedTask(() -> {
+                    if (Executor.CONSOLE.equals(command.getExecutor())) {
+                        bukkitService.dispatchConsoleCommand(execution);
+                    } else {
+                        bukkitService.dispatchCommand(player, execution);
+                    }
+                }, command.getDelay());
             }
         }
     }
@@ -175,9 +177,9 @@ public class CommandManager implements Reloadable {
 
     private List<Tag<Player>> buildAvailableTags() {
         return Arrays.asList(
-            createTag("%p",       pl -> pl.getName()),
-            createTag("%nick",    pl -> pl.getDisplayName()),
-            createTag("%ip",      pl -> PlayerUtils.getPlayerIp(pl)),
+            createTag("%p",       Player::getName),
+            createTag("%nick",    Player::getDisplayName),
+            createTag("%ip",      PlayerUtils::getPlayerIp),
             createTag("%country", pl -> geoIpService.getCountryName(PlayerUtils.getPlayerIp(pl))));
     }
 }

src/main/java/fr/xephi/authme/settings/commandconfig/CommandSettingsHolder.java

@@ -48,6 +48,13 @@ public final class CommandSettingsHolder implements SettingsHolder {
             "    command: 'broadcast %p has joined, welcome back!'",
             "    executor: CONSOLE",
             "",
+            "You can also add delay to command. It will run after the specified ticks. Example:",
+            "onLogin:",
+            "  rules:",
+            "    command: 'rules'",
+            "    executor: PLAYER",
+            "    delay: 200",
+            "",
             "Supported command events: onLogin, onSessionLogin, onFirstLogin, onJoin, onLogout, onRegister, "
                 + "onUnregister",
             "",