tip about checking previous names if no player found

Author: rfresh2

src/main/java/vc/commands/NamesCommand.java

@@ -11,6 +11,7 @@
 import vc.api.model.LabyProfileSearchResponse;
 import vc.openapi.handler.ApiException;
 import vc.util.DiscordMarkdownEscape;
+import vc.util.Validator;
 
 import java.net.http.HttpTimeoutException;
 
@@ -36,6 +37,9 @@ public Mono<Message> handle(final ChatInputInteractionEvent event) {
         if (player == null) {
             return error(event, "`player` option is required");
         }
+        if (!Validator.isValidPlayerName(player)) {
+            return error(event, "Invalid player name");
+        }
         LabyProfileSearchResponse searchResponse;
         try {
             searchResponse = labyRestClient.searchProfiles(player);

src/main/java/vc/commands/WatchCommand.java

@@ -346,7 +346,7 @@ private ChatInteractionOptionContext resolveProfileSubOption(final ChatInteracti
         }
         Optional<ProfileData> playerIdentity = playerLookup.getPlayerIdentity(playerName);
         if (playerIdentity.isEmpty()) {
-            ctx.setError("No player named `%s` exists".formatted(playerName));
+            ctx.setError("No player named `%s` exists\nCheck for previous accounts with `/names`".formatted(playerName));
             return ctx;
         }
         ctx.profileData = playerIdentity.get();

src/main/java/vc/commands/WatchGuildCommand.java

@@ -462,7 +462,7 @@ private ChatInteractionOptionContext resolveProfileSubOption(final ChatInteracti
         }
         Optional<ProfileData> playerIdentity = playerLookup.getPlayerIdentity(playerName);
         if (playerIdentity.isEmpty()) {
-            ctx.setError("No player named `%s` exists".formatted(playerName));
+            ctx.setError("No player named `%s` exists\nCheck for previous accounts with `/names`".formatted(playerName));
             return ctx;
         }
         ctx.profileData = playerIdentity.get();

src/main/java/vc/commands/options/PlayerLookupOption.java

@@ -33,7 +33,7 @@ public void apply(final ChatInteractionOptionContext context) {
         }
         Optional<ProfileData> playerIdentity = playerLookup.getPlayerIdentity(playerName);
         if (playerIdentity.isEmpty()) {
-            context.setError("No player named `" + playerName + "` exists");
+            context.setError("No player named `" + playerName + "` exists\nCheck for previous accounts with `/names`");
             return;
         }
         context.profileData = playerIdentity.get();