import { and, eq } from 'drizzle-orm'
import { isValidPaymentLink } from '../../../../../shared/utils/paymentLink'
import { useDb } from '../../../../database/client'
import { participants } from '../../../../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()
  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
})