import { eq, not, sql } from 'drizzle-orm';
import useDatabase from '~/composables/useDatabase';
import type { Campaign } from '~/types/campaign';

export default defineEventHandler(async (e) => {
    const id = getRouterParam(e, "id");
    if(!id)
    {
        setResponseStatus(e, 400);
        return;
    }

    const session = await getUserSession(e);
    if(!session || !session.user)
    {
        setResponseStatus(e, 401);
        return;
    }

    const db = useDatabase();
    const data = db.query.campaignTable.findFirst({
        columns: { owner: false },
        with: {
            members: { with: { member: { columns: { username: true, id: true } } }, columns: { id: false, user: false } },
            characters: { with: { character: { columns: { id: true, name: true, owner: true } } }, columns: { character: false } },
            owner: { columns: { username: true, id: true } },
            logs: { columns: { details: true, from: true, timestamp: true, type: true }, orderBy: ({ timestamp }) => timestamp },
        },
        where: ({ id: _id }) => eq(_id, parseInt(id, 10)),
    }).sync();

    if(data && (data.owner.id === session.user.id || data.members.find(e => e.member?.id === session.user!.id))) return data as Campaign;
    else if(!data) return setResponseStatus(e, 404);
    else return setResponseStatus(e, 403);
});