import { fetchCms } from "./cmsApi";

export function slugify(text: string): string {
	return text
		.toLowerCase()
		.replace(/\s+/g, "-")
		.replace(/ü/g, "ue")
		.replace(/ä/g, "ae")
		.replace(/ö/g, "oe")
		.replace(/ß/g, "ss");
}

/**
 * Resolves a cover slug or ID to the actual cover ID.
 * If the input is already a numeric ID, returns it as-is.
 * If it's a slug, looks up the cover by name and returns the ID.
 */
export async function resolveCoverId(idOrSlug: string): Promise<string | null> {
	// If it's already a numeric ID, return it
	if (/^\d+$/.test(idOrSlug)) {
		return idOrSlug;
	}

	// Otherwise, fetch all covers and find by slug
	try {
		const allCovers = await fetchCms<{ data: any[] }>(`/product-covers`);
		const cover = allCovers.data?.find((c: any) => {
			const name = c.attributes?.name || c.name;
			const slug = slugify(name || "");
			return slug === idOrSlug;
		});

		return cover?.id?.toString() || null;
	} catch {
		return null;
	}
}