import type { UpdateBookingDetailsResponse } from '~~/shared/booking'

import {
  clearBookingTransactionDocumentByConfirmationToken,
  getBookingByConfirmationToken
} from '../../../../utils/booking-repository'
import { getRequiredRouteParam, httpError } from '../../../../utils/http'
import { deleteTransactionDocument } from '../../../../utils/transaction-documents'

export default defineEventHandler(async (event): Promise<UpdateBookingDetailsResponse> => {
  const token = getRequiredRouteParam(event, 'token', 'Confirmation token')
  const booking = await getBookingByConfirmationToken(token, { includeTransactionDocument: true })

  if (!booking) {
    httpError(404, 'Booking not found')
  }

  if (booking.status !== 'pending') {
    httpError(409, 'Transaction document can only be changed before confirmation')
  }

  const result = await clearBookingTransactionDocumentByConfirmationToken(token)

  if (!result) {
    httpError(404, 'Booking not found')
  }

  await deleteTransactionDocument(result.previousStorageName)

  return {
    booking: result.booking
  }
})