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

import { cancelBookingConfirmationByConfirmationToken, getBookingByConfirmationToken } from '../../../../utils/booking-repository'
import { getRequiredRouteParam, httpError } from '../../../../utils/http'

export default defineEventHandler(async (event): Promise<CancelBookingConfirmationResponse> => {
  const token = getRequiredRouteParam(event, 'token', 'Confirmation token')
  const existingBooking = await getBookingByConfirmationToken(token)

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

  if (existingBooking.status === 'pending') {
    return {
      booking: existingBooking,
      alreadyPending: true
    }
  }

  const booking = await cancelBookingConfirmationByConfirmationToken(token)

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

  return {
    booking,
    alreadyPending: false
  }
})