import { db } from '$lib/server/db';
import { blogArticles } from '$lib/server/db/schema';
import { eq } from 'drizzle-orm';

export function slugify(title: string): string {
	return (
		title
			.toLowerCase()
			.trim()
			.replace(/[^a-z0-9]+/g, '-')
			.replace(/^-+|-+$/g, '') || 'article'
	);
}

export async function uniqueSlug(title: string): Promise<string> {
	const base = slugify(title);
	let slug = base;
	let suffix = 2;

	while (
		(await db.select({ id: blogArticles.id }).from(blogArticles).where(eq(blogArticles.slug, slug)))
			.length > 0
	) {
		slug = `${base}-${suffix}`;
		suffix += 1;
	}

	return slug;
}