import { revalidatePath, revalidateTag } from 'next/cache';
import type { CollectionAfterChangeHook, CollectionAfterDeleteHook } from 'payload';

import type { Page } from '../../../payload-types';

export const revalidatePage: CollectionAfterChangeHook<Page> = ({
  doc,
  previousDoc,
  req: { payload, context },
}) => {
  if (!context.disableRevalidate) {
    if (doc._status === 'published') {
      const path = doc.slug === 'home' ? '/' : `/${doc.slug}`;

      payload.logger.info(`Revalidating page at path: ${path}`);

      revalidatePath(path);
      revalidateTag('pages-sitemap');
    }

    // If the page was previously published, we need to revalidate the old path
    if (previousDoc?._status === 'published' && doc._status !== 'published') {
      const oldPath = previousDoc.slug === 'home' ? '/' : `/${previousDoc.slug}`;

      payload.logger.info(`Revalidating old page at path: ${oldPath}`);

      revalidatePath(oldPath);
      revalidateTag('pages-sitemap');
    }
  }
  return doc;
};

export const revalidateDelete: CollectionAfterDeleteHook<Page> = ({ doc, req: { context } }) => {
  if (!context.disableRevalidate) {
    const path = doc?.slug === 'home' ? '/' : `/${doc?.slug}`;
    revalidatePath(path);
    revalidateTag('pages-sitemap');
  }

  return doc;
};