show loading state on guess submission

src/app/components/GuessForm.tsx

@@ -7,9 +7,10 @@ interface GuessFormProps {
   onInputChange: (e: React.ChangeEvent<HTMLInputElement>) => void;
   onSubmit: (e: React.FormEvent) => void;
   disabled?: boolean;
+  loading?: boolean;
 }
 
-const GuessForm: React.FC<GuessFormProps> = ({ input, onInputChange, onSubmit, disabled }) => {
+const GuessForm: React.FC<GuessFormProps> = ({ input, onInputChange, onSubmit, disabled, loading }) => {
   const { language } = useLanguage();
   const t = translations[language];
   return (
@@ -19,21 +20,23 @@ const GuessForm: React.FC<GuessFormProps> = ({ input, onInputChange, onSubmit, d
         value={input}
         onChange={onInputChange}
         className={`focus:border-accent-primary h-12 w-60 rounded border px-2 py-1 focus:outline-none md:w-75 ${
-          disabled
+          disabled || loading
             ? "cursor-not-allowed border-gray-500 bg-gray-400 opacity-50"
             : "bg-background-secondary duration-300"
         }`}
-        placeholder={t.placeholder}
-        disabled={disabled}
+        placeholder={loading ? t.loading || "Loading..." : t.placeholder}
+        disabled={disabled || loading}
       />
       <button
         type="submit"
         className={`rounded px-4 py-1 text-white ${
-          !input || disabled ? "cursor-not-allowed bg-gray-400 opacity-50" : "bg-accent-primary cursor-pointer"
+          !input || disabled || loading
+            ? "cursor-not-allowed bg-gray-400 opacity-50"
+            : "bg-accent-primary cursor-pointer"
         }`}
-        disabled={disabled || !input}
+        disabled={disabled || !input || loading}
       >
-        {t.submit}
+        {loading ? t.loading || "Loading..." : t.submit}
       </button>
     </form>
   );

src/app/components/HomeClient.tsx

@@ -24,6 +24,7 @@ export default function HomeClient({ session }: { session: Session }) {
   const [matches, setMatches] = useState<Match[]>([]);
   const [timer, setTimer] = useState(0);
   const [timerStarted, setTimerStarted] = useState(false);
+  const [loading, setLoading] = useState(false);
   const timerRef = useRef<NodeJS.Timeout | null>(null);
   const [howToPlayOpen, setHowToPlayOpen] = useState(false);
   const [repeatMessage, setRepeatMessage] = useState("");
@@ -77,24 +78,33 @@ export default function HomeClient({ session }: { session: Session }) {
       return;
     }
     setRepeatMessage("");
-    const res = await fetch("/api/guess", {
-      method: "POST",
-      headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({ input: trimmedInput }),
-    });
-    if (res.ok) {
-      const data = await res.json();
-      if (data.name && matches.some((m) => m.name && m.name.toLowerCase() === data.name.toLowerCase())) {
-        setRepeatMessage(t.alreadySubmitted);
-        setInput("");
-        return;
-      }
-      setMatches((prev) => [...prev, { input: trimmedInput, ...data }]);
-      if (data.correct && !timerStarted) {
-        startTimer();
+    setLoading(true);
+
+    try {
+      const res = await fetch("/api/guess", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ input: trimmedInput }),
+      });
+      if (res.ok) {
+        const data = await res.json();
+        if (data.name && matches.some((m) => m.name && m.name.toLowerCase() === data.name.toLowerCase())) {
+          setRepeatMessage(t.alreadySubmitted);
+          setInput("");
+          return;
+        }
+        setMatches((prev) => [...prev, { input: trimmedInput, ...data }]);
+        if (data.correct && !timerStarted) {
+          startTimer();
+        }
       }
+    } catch (error) {
+      console.error("Error submitting guess:", error);
+      setRepeatMessage("An error occurred. Please try again.");
+    } finally {
+      setLoading(false);
+      setInput("");
     }
-    setInput("");
   };
 
   return (
@@ -136,6 +146,7 @@ export default function HomeClient({ session }: { session: Session }) {
           }}
           onSubmit={handleSubmit}
           disabled={correctMatchesCount === GOAL_AMOUNT}
+          loading={loading}
         />
         <Score matchesCount={correctMatchesCount} />
         {repeatMessage && <div className="mb-2 font-semibold text-red-500">{repeatMessage}</div>}

src/app/translations.ts

@@ -4,6 +4,7 @@ export const translations = {
     alreadySubmitted: "You have already entered that name!",
     placeholder: "Enter the username of a member...",
     submit: "Submit",
+    loading: "Loading...",
     howToPlayTitle: "How to Play",
     howToPlay1: "Any Discord username or nickname who has the paying member role should be accepted.",
     howToPlay2: "No repeats allowed.",
@@ -24,6 +25,7 @@ export const translations = {
     alreadySubmitted: "Du har allerede skrevet det navnet!",
     placeholder: "Skriv brukernavnet til et medlem...",
     submit: "Send",
+    loading: "Laster...",
     howToPlayTitle: "Slik spiller du",
     howToPlay1: "Alle bør Discordbrukernavn eller kallenavn som har betalende medlem rollen godtas.",
     howToPlay2: "Du kan ikke gjenta navn.",