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app/admin/actions.ts

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+// app/admin/actions.ts
+
+'use server';
+
+import { getConfig, updateConfig } from '../lib/config';
+import { revalidatePath } from 'next/cache';
+
+export async function saveConfigAction(prevState: any, formData: FormData) {
+    const config = await getConfig();
+
+    const newConfig = {
+        ...config,
+        showBeachPromo: formData.get('showBeachPromo') === 'on',
+        beachPage: {
+            ...config.beachPage,
+            matchStart: formData.get('matchStart') as string,
+            festivalLink: formData.get('festivalLink') as string,
+            closeReason: formData.get('closeReason') as string,
+            otherInfo: formData.get('otherInfo') as string,
+            prizesText: formData.get('prizesText') as string,
+            isClosedOverride: formData.get('isClosedOverride') === 'on',
+        }
+    };
+
+    await updateConfig(newConfig);
+    revalidatePath('/');
+    revalidatePath('/beach');
+
+    return { success: true };
+}