import { getPayload } from 'payload';
import configPromise from '@payload-config';

export interface PageFrontmatter {
  title: string;
  excerpt: string;
  featuredImage: string | null;
  focalX?: number;
  focalY?: number;
  layout?: 'default' | 'fullBleed';
  public?: boolean;
}

export interface PageData {
  slug: string;
  frontmatter: PageFrontmatter;
  content: any; // Lexical AST Document
}

function mapDoc(doc: any): PageData {
  return {
    slug: doc.slug,
    frontmatter: {
      title: doc.title,
      excerpt: doc.excerpt || '',
      featuredImage:
        typeof doc.featuredImage === 'object' && doc.featuredImage !== null
          ? doc.featuredImage.sizes?.card?.url || doc.featuredImage.url
          : null,
      focalX:
        typeof doc.featuredImage === 'object' && doc.featuredImage !== null
          ? doc.featuredImage.focalX
          : 50,
      focalY:
        typeof doc.featuredImage === 'object' && doc.featuredImage !== null
          ? doc.featuredImage.focalY
          : 50,
      layout: doc.layout || 'default',
    } as PageFrontmatter,
    content: doc.content as any,
  };
}

export async function getPageBySlug(slug: string, locale: string): Promise<PageData | null> {
  try {
    const payload = await getPayload({ config: configPromise });

    const result = await payload.find({
      collection: 'pages' as any,
      where: {
        slug: { equals: slug },
      },
      locale: locale as any,
      limit: 1,
    });

    const docs = result.docs as any[];
    if (!docs || docs.length === 0) return null;
    return mapDoc(docs[0]);
  } catch (error) {
    console.error(`[Payload] getPageBySlug failed for ${slug}:`, error);
    return null;
  }
}

export async function getAllPages(locale: string): Promise<PageData[]> {
  try {
    const payload = await getPayload({ config: configPromise });

    const result = await payload.find({
      collection: 'pages' as any,
      locale: locale as any,
      limit: 100,
    });

    return (result.docs as any[]).map(mapDoc);
  } catch (error) {
    console.error(`[Payload] getAllPages failed for ${locale}:`, error);
    return [];
  }
}

export async function getAllPagesMetadata(locale: string): Promise<Partial<PageData>[]> {
  try {
    const payload = await getPayload({ config: configPromise });

    const result = await payload.find({
      collection: 'pages' as any,
      locale: locale as any,
      limit: 100,
    });

    return (result.docs as any[]).map((doc: any) => ({
      slug: doc.slug,
      frontmatter: {
        title: doc.title,
        excerpt: doc.excerpt || '',
        featuredImage:
          typeof doc.featuredImage === 'object' && doc.featuredImage !== null
            ? doc.featuredImage.sizes?.card?.url || doc.featuredImage.url
            : null,
        focalX:
          typeof doc.featuredImage === 'object' && doc.featuredImage !== null
            ? doc.featuredImage.focalX
            : 50,
        focalY:
          typeof doc.featuredImage === 'object' && doc.featuredImage !== null
            ? doc.featuredImage.focalY
            : 50,
      } as PageFrontmatter,
    }));
  } catch (error) {
    console.error(`[Payload] getAllPagesMetadata failed for ${locale}:`, error);
    return [];
  }
}