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

type StudySpaceData = Omit<
    Table<"study_spaces">,
    "id" | "created_at" | "updated_at" | "building_location_old" | "building_location"
> & {
    id?: string;
    building_location?: google.maps.places.PlaceResult;
    opening_times?: {
        day_of_week: number;
        opens_at: string;
        closes_at: string;
        is_24_7: boolean;
    }[];
};

export const load: PageServerLoad = async ({ params, locals: { supabase } }) => {
    if (params.id === "new") {
        return {
            space: {
                description: "",
                building_location: undefined,
                location: "",
                tags: [],
                volume: "",
                power: "",
                wifi: ""
            } as StudySpaceData
        };
    }

    const { data: space, error: err } = await supabase
        .from("study_spaces")
        .select("*, study_space_images(*)")
        .eq("id", params.id)
        .single();
    if (err) error(500, "Failed to load study space");
    const studySpaceData = space as StudySpaceData & Partial<typeof space>;

    const images = studySpaceData.study_space_images || [];
    const { data: hours, error: hoursErr } = await supabase
        .from("study_space_hours")
        .select("day_of_week, opens_at, closes_at, is_24_7")
        .eq("study_space_id", params.id)
        .order("day_of_week", { ascending: true });
    if (hoursErr) error(500, "Failed to load opening times");
    studySpaceData.opening_times = hours;

    delete studySpaceData.created_at;
    delete studySpaceData.updated_at;
    delete studySpaceData.study_space_images;

    return {
        space: studySpaceData as StudySpaceData,
        images
    };
};