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

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({
        with: {
            members: { with: { member: { columns: { username: true, id: true } } }, columns: {  }, where: ({ rights }) => not(eq(rights, 'dm')), extras: { 'characters': sql`NULL`.as('characters') } },
            characters: { with: { character: { columns: { id: true, name: true, owner: true } } } },
            owner: { columns: { username: true, id: true } },
        },
        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)))
    {
        data.members.forEach(e => e.characters = data.characters.filter(_e => _e.character?.owner === e.member?.id))
        return data;
    }
    else if(!data) return setResponseStatus(e, 404);
    else return setResponseStatus(e, 403);
});