/**
 * rPhotos Automerge document schemas.
 *
 * Syncs shared album curation and photo annotations across space members.
 * Actual photo files remain on the Immich server; this doc manages
 * which albums are shared and any collaborative annotations.
 *
 * DocId format: {space}:photos:albums
 */

import type { DocSchema } from '../../shared/local-first/document';

// ── Document types ──

export interface SharedAlbum {
	id: string;
	name: string;
	description: string;
	sharedBy: string | null;
	sharedAt: number;
}

export interface PhotoAnnotation {
	assetId: string;
	note: string;
	authorDid: string;
	createdAt: number;
}

export interface PhotosDoc {
	meta: {
		module: string;
		collection: string;
		version: number;
		spaceSlug: string;
		createdAt: number;
	};
	sharedAlbums: Record<string, SharedAlbum>;
	annotations: Record<string, PhotoAnnotation>;
}

// ── Schema registration ──

export const photosSchema: DocSchema<PhotosDoc> = {
	module: 'photos',
	collection: 'albums',
	version: 1,
	init: (): PhotosDoc => ({
		meta: {
			module: 'photos',
			collection: 'albums',
			version: 1,
			spaceSlug: '',
			createdAt: Date.now(),
		},
		sharedAlbums: {},
		annotations: {},
	}),
	migrate: (doc: any, _fromVersion: number) => {
		if (!doc.sharedAlbums) doc.sharedAlbums = {};
		if (!doc.annotations) doc.annotations = {};
		doc.meta.version = 1;
		return doc;
	},
};

// ── Helpers ──

export function photosDocId(space: string) {
	return `${space}:photos:albums` as const;
}