Aktueller Stand

app/login/page.tsx

@@ -1,17 +1,25 @@
 "use client";
 
-import { signIn } from "next-auth/react";
+import { getSession, signIn } from "next-auth/react";
 import Link from "next/link";
-import { useRouter } from "next/navigation";
 import { useEffect, useState } from "react";
 
 export default function LoginPage() {
-  const router = useRouter();
   const [error, setError] = useState<string | null>(null);
   const [showVerifyLink, setShowVerifyLink] = useState(false);
   const [registrationEnabled, setRegistrationEnabled] = useState<boolean | null>(
     null
   );
+  const [registered, setRegistered] = useState(false);
+  const [prefillEmail, setPrefillEmail] = useState("");
+  const [emailVerificationRequired, setEmailVerificationRequired] = useState(true);
+
+  useEffect(() => {
+    if (typeof window === "undefined") return;
+    const params = new URLSearchParams(window.location.search);
+    setRegistered(params.get("registered") === "1");
+    setPrefillEmail(params.get("email") || "");
+  }, []);
 
   useEffect(() => {
     const loadRegistration = async () => {
@@ -20,8 +28,10 @@ export default function LoginPage() {
         if (!response.ok) return;
         const payload = await response.json();
         setRegistrationEnabled(payload.registrationEnabled !== false);
+        setEmailVerificationRequired(payload.emailVerificationRequired !== false);
       } catch {
         setRegistrationEnabled(true);
+        setEmailVerificationRequired(true);
       }
     };
     loadRegistration();
@@ -38,9 +48,15 @@ export default function LoginPage() {
     const result = await signIn("credentials", {
       email,
       password,
-      redirect: false
+      redirect: false,
+      callbackUrl: "/"
     });
 
+    if (!result) {
+      setError("Login fehlgeschlagen.");
+      return;
+    }
+
     if (result?.error) {
       if (result.error === "PENDING") {
         setError("Dein Konto wartet auf Freischaltung durch einen Admin.");
@@ -65,7 +81,12 @@ export default function LoginPage() {
 
     if (result?.ok) {
       setShowVerifyLink(false);
-      router.push("/");
+      const session = await getSession();
+      if (!session?.user) {
+        setError("Login fehlgeschlagen.");
+        return;
+      }
+      window.location.href = result.url || "/";
     }
   };
 
@@ -75,12 +96,20 @@ export default function LoginPage() {
       <p className="mt-1 text-sm text-slate-600">
         Bitte anmelden.
       </p>
+      {registered && (
+        <div className="mt-4 rounded-xl border border-slate-200 bg-slate-50 px-4 py-3 text-sm text-slate-700">
+          {emailVerificationRequired
+            ? "Account erstellt. Bitte E-Mail bestätigen und auf die Freischaltung durch einen Admin warten."
+            : "Account erstellt. Bitte auf die Freischaltung durch einen Admin warten."}
+        </div>
+      )}
       <form onSubmit={onSubmit} className="mt-4 space-y-3">
         <input
           name="email"
           type="email"
           placeholder="E-Mail"
           required
+          defaultValue={prefillEmail}
           className="w-full rounded-xl border border-slate-300 px-3 py-2"
         />
         <input