refactor: dynamically generated login page

src/components/labeled-input.tsx

@@ -6,23 +6,24 @@ export default function LabeledInput({
   label,
   placeholder,
   value,
+  name,
 }: {
   type: 'text' | 'email' | 'password';
   label: string;
   placeholder?: string;
   value?: string;
+  name?: string;
 }) {
-  const elementId = Math.random().toString(36).substring(2, 15);
-
   return (
     <div className='flex flex-col gap-1'>
-      <Label htmlFor={elementId}>{label}</Label>
+      <Label htmlFor={name}>{label}</Label>
 
       <Input
         type={type}
         placeholder={placeholder}
         defaultValue={value}
-        id={elementId}
+        id={name}
+        name={name}
       />
     </div>
   );

src/components/user/login-form.tsx

@@ -1,18 +1,38 @@
+import { signIn } from '@/auth';
 import LabeledInput from '@/components/labeled-input';
 import { Button } from '@/components/ui/button';
+import { AuthError } from 'next-auth';
+import { redirect } from 'next/navigation';
+
+const SIGNIN_ERROR_URL = '/error';
 
 export default function LoginForm() {
   return (
-    <form className='flex flex-col gap-5 w-full'>
+    <form
+      className='flex flex-col gap-5 w-full'
+      action={async (formData) => {
+        'use server';
+        try {
+          await signIn('credentials', formData);
+        } catch (error) {
+          if (error instanceof AuthError) {
+            return redirect(`${SIGNIN_ERROR_URL}?error=${error.type}`);
+          }
+          throw error;
+        }
+      }}
+    >
       <LabeledInput
         type='email'
         label='E-Mail'
         placeholder='Enter your E-Mail'
+        name='email'
       />
       <LabeledInput
         type='password'
         label='Password'
         placeholder='Enter your Password'
+        name='password'
       />
       <Button
         className='hover:bg-blue-600 hover:text-white'