web/packages/booking-flow/lib/contexts/SelectRate/findUnavailableSelectedRooms.ts

import { AvailabilityEnum } from "@scandic-hotels/trpc/enums/selectHotel"

import type { AvailabilityWithRoomInfo, SelectedRate } from "./types"

export function findUnavailableSelectedRooms({
  selectedRates,
  roomAvailabilityWithAdjustedRoomCount,
}: {
  selectedRates: SelectedRate[]
  roomAvailabilityWithAdjustedRoomCount: (AvailabilityWithRoomInfo | null)[][]
}): number[] {
  const roomIndexesToDeselect: number[] = []
  for (let roomIndex = selectedRates.length - 1; roomIndex >= 0; roomIndex--) {
    const rate = selectedRates[roomIndex]
    if (!rate) continue

    const room = roomAvailabilityWithAdjustedRoomCount[roomIndex].find(
      (x) => x?.roomTypeCode === rate.roomInfo.roomTypeCode
    )

    if (!room || room.status === AvailabilityEnum.NotAvailable) {
      roomIndexesToDeselect.push(roomIndex)
    }
  }
  return roomIndexesToDeselect
}