import type { Post } from '#shared/blog/metadata.ts';
import { getPosts } from '~~/server/blog.ts';
import { getLocale, loadConfig } from '~~/server/data.ts';

export default defineEventHandler(async (event) => {
    const config = await loadConfig(getLocale(event));
    if (!config.links.enabled || !config.links.blog) {
        throw createError({
            status: 404,
            statusMessage: 'Not Found',
        });
    }

    const query = getQuery(event);
    const posts = await getPosts(config);

    return posts.filter((post) => {
        if (query.shortcuts !== undefined) {
            if (!config.blog || !config.blog.shortcuts) {
                return false;
            }

            if (!Object.values(config.blog.shortcuts).includes(post.slug)) {
                return false;
            }
        }

        if (query.slugs !== undefined) {
            const slugs = Array.isArray(query.slugs) ? query.slugs : [query.slugs];
            if (!slugs.includes(post.slug)) {
                return false;
            }
        }

        return true;
    }).map((post): Post => ({
        slug: post.slug,
        title: post.title,
        date: post.date,
        authors: post.authors,
        hero: post.hero,
    }));
});