add some argument types

bukkit/site/lab0x13/scrow/commands/bukkit/suggestionprovider/PlayerSuggestionProvider.java

@@ -0,0 +1,17 @@
+package site.lab0x13.scrow.commands.bukkit.suggestionprovider;
+
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import site.lab0x13.scrow.commands.model.CommandContext;
+import site.lab0x13.scrow.commands.model.SuggestionProvider;
+
+import java.util.List;
+
+public final class PlayerSuggestionProvider<C extends CommandContext<C>> implements SuggestionProvider<C> {
+    @Override
+    public List<String> suggest(C __, String ___) {
+        return Bukkit.getOnlinePlayers().stream()
+                .map(Player::getName)
+                .toList();
+    }
+}

bukkit/site/lab0x13/scrow/commands/bukkit/type/OfflinePlayerArgumentType.java

@@ -0,0 +1,33 @@
+package site.lab0x13.scrow.commands.bukkit.type;
+
+import com.leakyabstractions.result.api.Result;
+import com.leakyabstractions.result.core.Results;
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import site.lab0x13.scrow.commands.bukkit.suggestionprovider.PlayerSuggestionProvider;
+import site.lab0x13.scrow.commands.model.CommandContext;
+import site.lab0x13.scrow.commands.model.SuggestionProvider;
+import site.lab0x13.scrow.commands.model.argument.ArgumentType;
+
+import java.util.UUID;
+
+public class OfflinePlayerArgumentType<C extends CommandContext<C>> implements ArgumentType<C, OfflinePlayer> {
+
+    @Override
+    public Result<OfflinePlayer, String> parseInput(String string) {
+        // UUIDs are always 36 chars
+        if (string.length() == 36)
+            return Results.ofCallable(() -> Bukkit.getOfflinePlayer(UUID.fromString(string)))
+                    .mapFailure(_ -> "Invalid UUID.");
+
+        var player = Bukkit.getPlayerExact(string);
+        if (player == null || (!player.hasPlayedBefore() && !player.isOnline()))
+            return Results.failure("Player not found.");
+        return Results.success(player);
+    }
+
+    @Override
+    public SuggestionProvider<C> defaultSuggestionProvider() {
+        return new PlayerSuggestionProvider<>();
+    }
+}

bukkit/site/lab0x13/scrow/commands/bukkit/type/PlayerArgumentType.java

@@ -0,0 +1,37 @@
+package site.lab0x13.scrow.commands.bukkit.type;
+
+import com.leakyabstractions.result.api.Result;
+import com.leakyabstractions.result.core.Results;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import site.lab0x13.scrow.commands.bukkit.suggestionprovider.PlayerSuggestionProvider;
+import site.lab0x13.scrow.commands.model.CommandContext;
+import site.lab0x13.scrow.commands.model.SuggestionProvider;
+import site.lab0x13.scrow.commands.model.argument.ArgumentType;
+
+import java.util.UUID;
+
+public class PlayerArgumentType<C extends CommandContext<C>> implements ArgumentType<C, Player> {
+
+    @Override
+    public Result<Player, String> parseInput(String input) {
+        // UUIDs are always 36 chars
+        Player player;
+        if (input.length() == 36) {
+            try {
+                player = Bukkit.getPlayer(UUID.fromString(input));
+            } catch (IllegalArgumentException _) {
+                return Results.failure("Invalid UUID.");
+            }
+        } else {
+            player = Bukkit.getPlayer(input);
+        }
+
+        return Results.ofNullable(player, "Player not online.");
+    }
+
+    @Override
+    public SuggestionProvider<C> defaultSuggestionProvider() {
+        return new PlayerSuggestionProvider<>();
+    }
+}

bukkit/site/lab0x13/scrow/commands/bukkit/type/WorldArgumentType.java

@@ -0,0 +1,38 @@
+package site.lab0x13.scrow.commands.bukkit.type;
+
+import com.leakyabstractions.result.api.Result;
+import com.leakyabstractions.result.core.Results;
+import org.bukkit.Bukkit;
+import org.bukkit.World;
+import site.lab0x13.scrow.commands.model.CommandContext;
+import site.lab0x13.scrow.commands.model.SuggestionProvider;
+import site.lab0x13.scrow.commands.model.argument.ArgumentType;
+
+import java.util.UUID;
+import java.util.stream.Stream;
+
+public class WorldArgumentType<C extends CommandContext<C>> implements ArgumentType<C, World> {
+    @Override
+    public Result<World, String> parseInput(String input) {
+        World world;
+        if (input.length() == 36) {
+            try {
+                world = Bukkit.getWorld(UUID.fromString(input));
+            } catch (IllegalArgumentException _) {
+                return Results.failure("Invalid UUID.");
+            }
+        } else {
+            world = Bukkit.getWorld(input);
+        }
+
+        return Results.ofNullable(world, "World not found");
+    }
+
+    @Override
+    public SuggestionProvider<C> defaultSuggestionProvider() {
+        return (_, _) -> Stream.concat(
+                Bukkit.getWorlds().stream().map(World::getName),
+                Bukkit.getWorlds().stream().map(w -> w.getUID().toString())
+        ).toList();
+    }
+}