import { CollectionConfig } from 'payload';
import { lexicalEditor, BlocksFeature } from '@payloadcms/richtext-lexical';
import { payloadBlocks } from '../blocks/allBlocks';

export const Pages: CollectionConfig = {
  slug: 'pages',
  admin: {
    useAsTitle: 'title',
    defaultColumns: ['title', 'slug', 'layout', '_status', 'updatedAt'],
  },
  versions: {
    drafts: true,
  },
  access: {
    read: ({ req: { user } }) => {
      if (process.env.NODE_ENV === 'development' || process.env.TARGET === 'staging') {
        return true;
      }
      if (user) {
        return true;
      }
      return {
        _status: {
          equals: 'published',
        },
      };
    },
  },
  hooks: {
    afterChange: [
      async ({ doc, req }) => {
        // Run index sync asynchronously to not block the CMS save operation
        setTimeout(async () => {
          try {
            const { upsertProductVector, deleteProductVector } = await import('../../lib/qdrant');

            // Check if page is published
            if (doc._status !== 'published') {
              await deleteProductVector(`page_${doc.id}`);
              req.payload.logger.info(`Removed drafted page ${doc.slug} from Qdrant`);
            } else {
              // Serialize payload
              const contentText = [
                `Seite: ${doc.title}`,
                doc.excerpt ? `Beschreibung: ${doc.excerpt}` : '',
              ]
                .filter(Boolean)
                .join('\n');

              const payload = {
                type: 'knowledge',
                content: contentText,
                data: {
                  title: doc.title,
                  slug: doc.slug,
                },
              };

              await upsertProductVector(`page_${doc.id}`, contentText, payload);
              req.payload.logger.info(`Upserted page ${doc.slug} to Qdrant`);
            }
          } catch (error) {
            req.payload.logger.error({
              msg: 'Error syncing page to Qdrant',
              err: error,
              pageId: doc.id,
            });
          }
        }, 0);
        return doc;
      },
    ],
    afterDelete: [
      async ({ id, req }) => {
        try {
          const { deleteProductVector } = await import('../../lib/qdrant');
          await deleteProductVector(`page_${id}`);
          req.payload.logger.info(`Deleted page ${id} from Qdrant`);
        } catch (error) {
          req.payload.logger.error({
            msg: 'Error deleting page from Qdrant',
            err: error,
            pageId: id,
          });
        }
      },
    ],
  },
  fields: [
    {
      name: 'title',
      type: 'text',
      required: true,
      localized: true,
    },
    {
      name: 'slug',
      type: 'text',
      required: true,
      localized: true,
      admin: {
        position: 'sidebar',
        description: 'The URL slug for this locale (e.g. "impressum" for DE, "imprint" for EN).',
      },
    },
    {
      name: 'layout',
      type: 'select',
      defaultValue: 'default',
      options: [
        { label: 'Default (Article)', value: 'default' },
        { label: 'Full Bleed (Blocks Only)', value: 'fullBleed' },
      ],
      admin: {
        position: 'sidebar',
        description: 'Full Bleed pages render blocks edge-to-edge without a generic hero wrapper.',
      },
    },
    {
      name: 'excerpt',
      type: 'textarea',
      localized: true,
      admin: {
        position: 'sidebar',
      },
    },
    {
      name: 'featuredImage',
      type: 'upload',
      relationTo: 'media',
      admin: {
        position: 'sidebar',
      },
    },
    {
      name: 'content',
      type: 'richText',
      localized: true,
      editor: lexicalEditor({
        features: ({ defaultFeatures }) => [
          ...defaultFeatures,
          BlocksFeature({
            blocks: payloadBlocks,
          }),
        ],
      }),
      required: true,
    },
  ],
};