Introduce round management improvements, tab completion for /hg register, and plugin.yml configuration

src/main/java/com/alttd/hunger_games/Main.java

@@ -17,6 +17,7 @@ import org.bukkit.plugin.java.JavaPlugin;
 @Slf4j
 public final class Main extends JavaPlugin {
 
+    private Round round;
     private RoundService roundService;
     private PlayerService playerService;
     private PlayerTeleporterService playerTeleporterService;
@@ -32,7 +33,7 @@ public final class Main extends JavaPlugin {
     }
 
     private void registerServices() {
-        Round round = Round.createSingletonInstance();
+        round = Round.createSingletonInstance();
         roundService = RoundService.createSingletonInstance(round);
         playerTeleporterService = PlayerTeleporterService.createSingletonInstance();
         playerService = PlayerService.createSingletonInstance(roundService, playerTeleporterService);
@@ -44,7 +45,7 @@ public final class Main extends JavaPlugin {
     }
 
     private void registerCommands() {
-        BaseCommand command = new BaseCommand(this, roundService, playerService);
+        BaseCommand command = new BaseCommand(this, roundService, playerService, round);
     }
 
     private void registerEvents() {

src/main/java/com/alttd/hunger_games/commands/BaseCommand.java

@@ -3,8 +3,10 @@ package com.alttd.hunger_games.commands;
 import com.alttd.hunger_games.Main;
 import com.alttd.hunger_games.commands.subcommands.Register;
 import com.alttd.hunger_games.commands.subcommands.RoundState;
+import com.alttd.hunger_games.commands.subcommands.StartRound;
 import com.alttd.hunger_games.config.Messages;
 import com.alttd.hunger_games.services.PlayerService;
+import com.alttd.hunger_games.services.Round;
 import com.alttd.hunger_games.services.RoundService;
 import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
@@ -21,7 +23,7 @@ import java.util.stream.Collectors;
 public class BaseCommand implements CommandExecutor, TabExecutor {
     private final List<SubCommand> subCommands;
 
-    public BaseCommand(Main main, RoundService roundService, PlayerService playerService) {
+    public BaseCommand(Main main, RoundService roundService, PlayerService playerService, Round round) {
         PluginCommand command = main.getCommand("hungergames");
         if (command == null) {
             subCommands = null;
@@ -34,7 +36,8 @@ public class BaseCommand implements CommandExecutor, TabExecutor {
 
         subCommands = new ArrayList<>(List.of(
                 new RoundState(roundService),
-                new Register(playerService)
+                new Register(playerService),
+                new StartRound(round)
                                               ));
     }
 

src/main/java/com/alttd/hunger_games/commands/subcommands/Register.java

@@ -7,6 +7,7 @@ import com.alttd.hunger_games.data_objects.PLAYER_STATE;
 import com.alttd.hunger_games.services.PlayerService;
 import lombok.extern.slf4j.Slf4j;
 import net.kyori.adventure.text.minimessage.tag.resolver.Placeholder;
+import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -97,6 +98,9 @@ public class Register extends SubCommand {
 
     @Override
     public List<String> getTabComplete(CommandSender commandSender, String[] args) {
+        if (args.length == 2) {
+            return Bukkit.getOnlinePlayers().stream().map(Player::getName).toList();
+        }
         return List.of();
     }
 

src/main/java/com/alttd/hunger_games/config/AbstractConfig.java

@@ -180,4 +180,8 @@ abstract class AbstractConfig {
     ConfigurationSection getConfigurationSection(String path) {
         return yaml.getConfigurationSection(path);
     }
+
+    ConfigurationSection createSection(String path) {
+        return yaml.createSection(path);
+    }
 }

src/main/java/com/alttd/hunger_games/config/Config.java

@@ -57,6 +57,9 @@ public class Config extends AbstractConfig {
             COUNTDOWN = Duration.ofSeconds(countdownSeconds);
 
             ConfigurationSection configurationSection = config.getConfigurationSection(prefix + "stages");
+            if (configurationSection == null) {
+                configurationSection = config.createSection(prefix + "stages");
+            }
             Set<String> keys = configurationSection.getKeys(false);
             STAGES = getGameStages(keys, configurationSection);
         }

src/main/resources/plugin.yml

@@ -0,0 +1,28 @@
+name: HungerGames
+version: ${version}
+main: com.alttd.hunger_games.Main
+api-version: "1.21"
+
+commands:
+  hungergames:
+    description: Main HungerGames command
+    aliases: [hg]
+    usage: /<command> <subcommand>
+
+permissions:
+  hungergames.register:
+    description: Register a player for the game
+    default: op
+  hungergames.roundstate:
+    description: Check the current round state
+    default: true
+  hungergames.start:
+    description: Start a HungerGames round
+    default: op
+  hungergames.*:
+    description: Wildcard permission for all HungerGames commands
+    default: op
+    children:
+      hungergames.register: true
+      hungergames.roundstate: true
+      hungergames.start: true