Resolve UUIDs given as arguments in more places

* Lookup the player's address if only a UUID was specified.
* Also, improve tab completion by including usage, help, etc.

bans-core/src/main/java/space/arim/libertybans/core/commands/AltCommands.java

@@ -27,23 +27,20 @@
 import space.arim.libertybans.core.alts.WhichAlts;
 import space.arim.libertybans.core.commands.extra.TabCompletion;
 import space.arim.libertybans.core.env.CmdSender;
-import space.arim.libertybans.core.uuid.UUIDManager;
 import space.arim.omnibus.util.concurrent.ReactionStage;
 
 import java.util.stream.Stream;
 
 @Singleton
 public final class AltCommands extends AbstractSubCommandGroup {
 
-	private final UUIDManager uuidManager;
 	private final AltDetection altDetection;
 	private final AltCheckFormatter altCheckFormatter;
 	private final TabCompletion tabCompletion;
 
 	@Inject
-	public AltCommands(Dependencies dependencies, UUIDManager uuidManager, AltDetection altDetection, AltCheckFormatter altCheckFormatter, TabCompletion tabCompletion) {
+	public AltCommands(Dependencies dependencies, AltDetection altDetection, AltCheckFormatter altCheckFormatter, TabCompletion tabCompletion) {
 		super(dependencies, "alts");
-		this.uuidManager = uuidManager;
 		this.altDetection = altDetection;
 		this.altCheckFormatter = altCheckFormatter;
 		this.tabCompletion = tabCompletion;
@@ -92,12 +89,11 @@ public ReactionStage<Void> execute() {
 				return null;
 			}
 			String target = command().next();
-			return uuidManager.lookupPlayer(target).thenCompose((userDetails) -> {
-				if (userDetails.isEmpty()) {
-					sender().sendMessage(messages().all().notFound().player().replaceText("%TARGET%", target));
+			return argumentParser().parsePlayer(sender(), target).thenCompose((userDetails) -> {
+				if (userDetails == null) {
 					return completedFuture(null);
 				}
-				return altDetection.detectAlts(userDetails.get(), WhichAlts.ALL_ALTS).thenAccept((detectedAlts) -> {
+				return altDetection.detectAlts(userDetails, WhichAlts.ALL_ALTS).thenAccept((detectedAlts) -> {
 					if (detectedAlts.isEmpty()) {
 						sender().sendMessage(altsConfig().command().noneFound());
 						return;

bans-core/src/main/java/space/arim/libertybans/core/commands/CommandsCore.java

@@ -105,15 +105,18 @@ public void execute(CmdSender sender, CommandPackage command) {
 	 */
 
 	private List<String> subCommandCompletions(CmdSender sender, Predicate<String> filter) {
-		return subCommandGroups.stream()
-				.flatMap((subCommandGroup) -> {
+		Stream<String> combined = Stream.concat(
+				subCommandGroups.stream().flatMap((subCommandGroup) -> {
 					return subCommandGroup.matches()
 							.stream()
 							.filter((subCmd) -> subCommandGroup.hasTabCompletePermission(sender, subCmd));
-				})
+				}),
+				Stream.of("version", "about", "usage", "help")
+		);
+		return combined
 				.filter(filter)
 				.sorted()
-				.collect(Collectors.toUnmodifiableList());
+				.toList();
 	}
 
 	@Override
@@ -149,7 +152,7 @@ public List<String> suggest(CmdSender sender, String[] args) {
 		if (!lastArg.isEmpty()) {
 			completions = completions.filter((completion) -> completion.toLowerCase(Locale.ROOT).startsWith(lastArg));
 		}
-		return completions.sorted().collect(Collectors.toUnmodifiableList());
+		return completions.sorted().toList();
 	}
 
 	@Override

bans-core/src/main/java/space/arim/libertybans/core/commands/extra/StandardArgumentParser.java

@@ -43,6 +43,8 @@
 
 import java.util.Optional;
 import java.util.UUID;
+import java.util.function.Function;
+import java.util.function.Supplier;
 
 public class StandardArgumentParser implements ArgumentParser {
 
@@ -74,41 +76,48 @@ private MessagesConfig.All.NotFound notFound() {
 		return all().notFound();
 	}
 
-	@Override
-	public CentralisedFuture<@Nullable UUID> parseOrLookupUUID(CmdSender sender, String targetArg) {
+	private <R> CentralisedFuture<@Nullable R> parseUUIDIfPossible(CmdSender sender, String targetArg,
+																   Function<UUID, CentralisedFuture<R>> ifUuid,
+																   Supplier<CentralisedFuture<R>> otherwise) {
 		return switch (targetArg.length()) {
-		case 36 -> {
-			UUID uuid;
-			try {
-				uuid = UUID.fromString(targetArg);
-			} catch (IllegalArgumentException ex) {
-				sender.sendMessage(notFound().uuid().replaceText("%TARGET%", targetArg));
-				yield completedFuture(null);
-			}
-			yield completedFuture(uuid);
-		}
-		case 32 -> {
-			long mostSigBits;
-			long leastSigBits;
-			try {
-				mostSigBits = Long.parseUnsignedLong(targetArg.substring(0, 16), 16);
-				leastSigBits = Long.parseUnsignedLong(targetArg.substring(16, 32), 16);
-			} catch (NumberFormatException ex) {
-				sender.sendMessage(notFound().uuid().replaceText("%TARGET%", targetArg));
-				yield completedFuture(null);
+			case 36 -> {
+				UUID uuid;
+				try {
+					uuid = UUID.fromString(targetArg);
+				} catch (IllegalArgumentException ex) {
+					sender.sendMessage(notFound().uuid().replaceText("%TARGET%", targetArg));
+					yield completedFuture(null);
+				}
+				yield ifUuid.apply(uuid);
 			}
-			yield completedFuture(new UUID(mostSigBits, leastSigBits));
-		}
-		default -> uuidManager.lookupUUID(targetArg).thenApply((uuid) -> {
-			if (uuid.isEmpty()) {
-				sender.sendMessage(notFound().player().replaceText("%TARGET%", targetArg));
-				return null;
+			case 32 -> {
+				long mostSigBits;
+				long leastSigBits;
+				try {
+					mostSigBits = Long.parseUnsignedLong(targetArg.substring(0, 16), 16);
+					leastSigBits = Long.parseUnsignedLong(targetArg.substring(16, 32), 16);
+				} catch (NumberFormatException ex) {
+					sender.sendMessage(notFound().uuid().replaceText("%TARGET%", targetArg));
+					yield completedFuture(null);
+				}
+				yield ifUuid.apply(new UUID(mostSigBits, leastSigBits));
 			}
-			return uuid.get();
-		});
+			default -> otherwise.get();
 		};
 	}
 
+	@Override
+	public CentralisedFuture<@Nullable UUID> parseOrLookupUUID(CmdSender sender, String targetArg) {
+		return parseUUIDIfPossible(sender, targetArg, this::completedFuture,
+				() -> uuidManager.lookupUUID(targetArg).thenApply((uuid) -> {
+					if (uuid.isEmpty()) {
+						sender.sendMessage(notFound().player().replaceText("%TARGET%", targetArg));
+						return null;
+					}
+					return uuid.get();
+				}));
+	}
+
 	@Override
 	public CentralisedFuture<@Nullable Operator> parseOperator(CmdSender sender, String operatorArg) {
 		if (ContainsCI.containsIgnoreCase(configs.getMessagesConfig().formatting().consoleArguments(), operatorArg)) {
@@ -148,13 +157,21 @@ private MessagesConfig.All.NotFound notFound() {
 
 	@Override
 	public CentralisedFuture<@Nullable UUIDAndAddress> parsePlayer(CmdSender sender, String targetArg) {
-		return  uuidManager.lookupPlayer(targetArg).thenApply((optUuidAndAddress) -> {
+		return parseUUIDIfPossible(sender, targetArg, (uuid) -> {
+			return uuidManager.lookupLastAddress(uuid).thenApply((optAddress) -> {
+				if (optAddress.isEmpty()) {
+					sender.sendMessage(notFound().player().replaceText("%TARGET%", targetArg));
+					return null;
+				}
+				return new UUIDAndAddress(uuid, optAddress.get());
+			});
+		}, () -> uuidManager.lookupPlayer(targetArg).thenApply((optUuidAndAddress) -> {
 			if (optUuidAndAddress.isEmpty()) {
 				sender.sendMessage(notFound().player().replaceText("%TARGET%", targetArg));
 				return null;
 			}
 			return optUuidAndAddress.get();
-		});
+		}));
 	}
 
 	@Override

bans-core/src/main/java/space/arim/libertybans/core/env/EnvUserResolver.java

@@ -39,4 +39,6 @@ public interface EnvUserResolver {
 
 	CentralisedFuture<Optional<UUIDAndAddress>> lookupPlayer(String name);
 
+	CentralisedFuture<Optional<InetAddress>> lookupCurrentAddress(UUID uuid);
+
 }

bans-core/src/main/java/space/arim/libertybans/core/env/SimpleEnvUserResolver.java

@@ -62,6 +62,11 @@ public final CentralisedFuture<Optional<UUIDAndAddress>> lookupPlayer(String nam
 		return performLookup(() -> lookupPlayer0(name));
 	}
 
+	@Override
+	public final CentralisedFuture<Optional<InetAddress>> lookupCurrentAddress(UUID uuid) {
+		return performLookup(() -> lookupCurrentAddress0(uuid));
+	}
+
 	protected abstract Optional<UUID> lookupUUID0(String name);
 
 	protected abstract Optional<String> lookupName0(UUID uuid);
@@ -70,4 +75,6 @@ public final CentralisedFuture<Optional<UUIDAndAddress>> lookupPlayer(String nam
 
 	protected abstract Optional<UUIDAndAddress> lookupPlayer0(String name);
 
+	protected abstract Optional<InetAddress> lookupCurrentAddress0(UUID uuid);
+
 }

bans-core/src/main/java/space/arim/libertybans/core/uuid/CachingUUIDManager.java

@@ -242,4 +242,14 @@ public CentralisedFuture<Optional<UUIDAndAddress>> lookupPlayer(String name) {
 		});
 	}
 
+	@Override
+	public CentralisedFuture<Optional<NetworkAddress>> lookupLastAddress(UUID uuid) {
+		return envResolver.lookupCurrentAddress(uuid).thenCompose((envResolve) -> {
+			if (envResolve.isPresent()) {
+				return completedFuture(envResolve.map(NetworkAddress::of));
+			}
+			return queryingImpl.resolveLastAddress(uuid).thenApply(Optional::ofNullable);
+		});
+	}
+
 }

bans-core/src/main/java/space/arim/libertybans/core/uuid/QueryingImpl.java

@@ -107,4 +107,16 @@ CentralisedFuture<UUIDAndAddress> resolvePlayer(String name) {
 		}));
 	}
 
+	CentralisedFuture<NetworkAddress> resolveLastAddress(UUID uuid) {
+		return dbProvider.get().query(SQLFunction.readOnly((context) -> {
+			return context
+					.select(ADDRESSES.ADDRESS)
+					.from(ADDRESSES)
+					.where(ADDRESSES.UUID.eq(uuid))
+					.orderBy(ADDRESSES.UPDATED.desc())
+					.limit(1)
+					.fetchOne(ADDRESSES.ADDRESS);
+		}));
+	}
+
 }

bans-core/src/main/java/space/arim/libertybans/core/uuid/UUIDManager.java

@@ -58,5 +58,13 @@ public interface UUIDManager extends UserResolver, Part {
 	 * @return a future yielding the user details or an empty optional if not found
 	 */
 	CentralisedFuture<Optional<UUIDAndAddress>> lookupPlayer(String name);
-
+
+	/**
+	 * Looks up player details from a UUID
+	 *
+	 * @param uuid the uuid of the player
+	 * @return a future yielding the latest address or an empty optional if not found
+	 */
+	CentralisedFuture<Optional<NetworkAddress>> lookupLastAddress(UUID uuid);
+
 }

bans-core/src/test/java/space/arim/libertybans/it/env/QuackUserResolver.java

@@ -69,4 +69,9 @@ public Optional<UUIDAndAddress> lookupPlayer0(String name) {
 				.map((player) -> new UUIDAndAddress(player.getUniqueId(), player.getAddress()));
 	}
 
+	@Override
+	public Optional<InetAddress> lookupCurrentAddress0(UUID uuid) {
+		return platform.getPlayer(uuid).map(QuackPlayer::getAddress);
+	}
+
 }

bans-env/bungee/src/main/java/space/arim/libertybans/env/bungee/BungeeUserResolver.java

@@ -71,4 +71,9 @@ public Optional<UUIDAndAddress> lookupPlayer0(String name) {
 				.map((player) -> new UUIDAndAddress(player.getUniqueId(), addressReporter.getAddress(player)));
 	}
 
+	@Override
+	public Optional<InetAddress> lookupCurrentAddress0(UUID uuid) {
+		return Optional.ofNullable(server.getPlayer(uuid)).map(addressReporter::getAddress);
+	}
+
 }

bans-env/spigot/src/main/java/space/arim/libertybans/env/spigot/SpigotUserResolver.java

@@ -75,4 +75,9 @@ public Optional<UUIDAndAddress> lookupPlayer0(String name) {
 				.map((player) -> new UUIDAndAddress(player.getUniqueId(), player.getAddress().getAddress()));
 	}
 
+	@Override
+	public Optional<InetAddress> lookupCurrentAddress0(UUID uuid) {
+		return Optional.ofNullable(server.getPlayer(uuid)).map((player) -> player.getAddress().getAddress());
+	}
+
 }

bans-env/sponge/src/main/java/space/arim/libertybans/env/sponge/SpongeUserResolver.java

@@ -69,4 +69,9 @@ public Optional<UUIDAndAddress> lookupPlayer0(String name) {
 				.map((player) -> new UUIDAndAddress(player.uniqueId(), player.connection().address().getAddress()));
 	}
 
+	@Override
+	public Optional<InetAddress> lookupCurrentAddress0(UUID uuid) {
+		return game.server().player(uuid).map((player) -> player.connection().address().getAddress());
+	}
+
 }

bans-env/standalone/src/main/java/space/arim/libertybans/env/standalone/StandaloneResolver.java

@@ -64,4 +64,9 @@ public Optional<UUIDAndAddress> lookupPlayer0(String name) {
 		return Optional.empty();
 	}
 
+	@Override
+	public Optional<InetAddress> lookupCurrentAddress0(UUID uuid) {
+		return Optional.empty();
+	}
+
 }

bans-env/velocity/src/main/java/space/arim/libertybans/env/velocity/VelocityUserResolver.java

@@ -69,4 +69,9 @@ public Optional<UUIDAndAddress> lookupPlayer0(String name) {
 				.map((player) -> new UUIDAndAddress(player.getUniqueId(), player.getRemoteAddress().getAddress()));
 	}
 
+	@Override
+	public Optional<InetAddress> lookupCurrentAddress0(UUID uuid) {
+		return server.getPlayer(uuid).map((player) -> player.getRemoteAddress().getAddress());
+	}
+
 }