import { and, eq } from 'drizzle-orm';
import { isValidPaymentLink } from '~~/shared/utils/paymentLink';
import { useDb } from '~~/server/database/client';
import { participants } from '~~/server/database/schema';

export default defineEventHandler(async (event) => {
  const slug = getRouterParam(event, 'slug')!;
  const id = Number(getRouterParam(event, 'id'));
  await getPotOrThrow(slug);

  const body = await readBody(event);
  const paymentLink =
    typeof body?.paymentLink === 'string' ? body.paymentLink.trim() : '';
  if (paymentLink && !isValidPaymentLink(paymentLink)) {
    throw createError({
      statusCode: 400,
      statusMessage: 'paymentLink must be a valid http(s) URL',
    });
  }

  const db = useDb(event);
  const [existing] = await db
    .select()
    .from(participants)
    .where(and(eq(participants.id, id), eq(participants.potSlug, slug)));
  if (!existing) {
    throw createError({
      statusCode: 404,
      statusMessage: 'Participant not found',
    });
  }

  const [updated] = await db
    .update(participants)
    .set({ paymentLink: paymentLink || null })
    .where(eq(participants.id, id))
    .returning();

  return updated;
});