import { backend, type GuildEntry, type PostEntry } from '$lib/backend.js';
import { getMe } from '$lib/globals.svelte.js';
import type { LoadEvent } from '@sveltejs/kit';


async function loadFeed (event: LoadEvent): Promise<PostEntry[] | null> {
    const resp = await backend.withEvent(event).fetch('home/feed');

    if ([200].indexOf(resp.status) < 0) {
        console.error(`fetch feed returned status ${resp.status}`);
        return null;
    }
    try {
        const respJ = await resp.json();

        const { feed } : { feed: PostEntry[] } = respJ;

        return feed;
    } catch (e) {
        return null;
    }
} 

async function loadTopGuilds (event: LoadEvent): Promise<GuildEntry[] | null> {
    const resp = await backend.withEvent(event).fetch('top/guilds');

    if ([200].indexOf(resp.status) < 0) {
        console.error(`fetch top_guilds returned status ${resp.status}`);
        return null;
    }
    try {
        const respJ = await resp.json();

        const { has: top_guilds } : { has: GuildEntry[] } = respJ;
        console.log('top_guilds is', top_guilds);
        return top_guilds;
    } catch (e) {
        return null;
    }
}

export async function load(event): Promise<{feed: PostEntry[] | null, top_guilds?: GuildEntry[] | null}> {
    let feed = null;
    let me = getMe();
    let top_guilds = null;
    
    if (me) {
        feed = await loadFeed(event);
        top_guilds = await loadTopGuilds(event);
    }

    return { feed, top_guilds };
}