import rss from "@astrojs/rss";
import { getCollection } from "astro:content";
import { SITE } from "@/consts";

type Context = {
    site: string;
};

export async function GET(context: Context) {
    const posts = await getCollection("blog");
    const projects = await getCollection("projects");

    const items = [...posts, ...projects].filter(
        (item) => !item.data.draft,
    );

    items.sort(
        (a, b) =>
            new Date(b.data.date).getTime() -
            new Date(a.data.date).getTime(),
    );

    return rss({
        title: `${SITE.TITLE} - ${SITE.AUTHOR}`,
        description: SITE.DESCRIPTION,
        site: context.site,
        stylesheet: "/rss-style.xsl",
        items: items.map((item) => ({
            title: item.data.title,
            description: item.data.summary,
            author: SITE.AUTHOR,
            pubDate: item.data.date,
            link: `/${item.collection}/${item.id}/`,
            customData: `<entryType>${item.collection}</entryType>`,
        })),
    });
}