import { eq } from 'drizzle-orm';
import useDatabase from '~/composables/useDatabase';
import { campaignTable } from '~/db/schema';
import { CampaignValidation } from '#shared/campaign.util';

export default defineEventHandler(async (e) => {
    const params = getRouterParam(e, "id");
    if(!params)
    {
        setResponseStatus(e, 400);
        return;
    }
    const id = parseInt(params, 10);

    const body = await readValidatedBody(e, CampaignValidation.safeParse);
    if(!body.success)
    {
        setResponseStatus(e, 400);
        return body.error.message;
    }

    const db = useDatabase();
    const old = db.select({ id: campaignTable.id, owner: campaignTable.owner }).from(campaignTable).where(eq(campaignTable.id, id)).get();

    if(!old)
    {
        setResponseStatus(e, 404);
        return;
    }

    const session = await getUserSession(e);
    if(!session.user || old.owner !== session.user.id || session.user.state !== 1)
    {
        setResponseStatus(e, 401);
        return;
    }

    try {
        db.transaction((tx) => {
            tx.update(campaignTable).set({
                name: body.data.name,
                public_notes: body.data.public_notes,
                dm_notes: body.data.dm_notes,
                settings: body.data.settings,
            }).where(eq(campaignTable.id, id)).run();
        });
    }
    catch(_e)
    {
        setResponseStatus(e, 500);
        return;
    }

    setResponseStatus(e, 200);
    return;
});