import type { PageServerLoad } from "./$types";
import { error } from "@sveltejs/kit";

export const load: PageServerLoad = async ({ depends, locals: { supabase } }) => {
    depends("db:study_spaces");
    const { data: studySpaces, error: err } = await supabase
        .from("study_spaces")
        .select("*, study_space_images(*), study_space_hours(*)");
    if (err) error(500, "Failed to load study spaces");

    const {
        data: { session }
    } = await supabase.auth.getSession();

    // Fetch this user’s favourites
    let favouriteIds: string[] = [];
    if (session?.user?.id) {
        const { data: favs, error: favErr } = await supabase
            .from("favourite_study_spaces")
            .select("study_space_id")
            .eq("user_id", session.user.id);
        if (!favErr && favs) {
            favouriteIds = favs.map((f) => f.study_space_id);
        }
    }

    return {
        studySpaces,
        session,
        favouriteIds
    };
};