import { CancellationRuleEnum } from "@/constants/booking"

import type { Room } from "@/stores/my-stay/myStayRoomDetailsStore"

interface ModificationConditions {
  canModify: boolean
  isNotPast: boolean
  isNotCancelled: boolean
  isNotPrePaid: boolean
  isNotRewardNight: boolean
}

interface GuaranteeConditions {
  isCancellableBefore6PM: boolean
  hasNoGuaranteeInfo: boolean
  isNotCancelled: boolean
  isNotPast: boolean
}

export function isDatetimePast(date: Date): boolean {
  return new Date(date) < new Date()
}

export function checkDateModifiable({
  canChangeDate,
  datetimeIsInThePast,
  isCancelled,
  isPrePaid,
  isRewardNight,
}: {
  canChangeDate: boolean
  datetimeIsInThePast: boolean
  isCancelled: boolean
  isPrePaid: boolean
  isRewardNight: boolean
}): boolean {
  const conditions: ModificationConditions = {
    canModify: canChangeDate,
    isNotPast: !datetimeIsInThePast,
    isNotCancelled: !isCancelled,
    isNotPrePaid: !isPrePaid,
    isNotRewardNight: !isRewardNight,
  }

  return Object.values(conditions).every(Boolean)
}

export function checkCancelable({
  bookedRoom,
  linkedReservationRooms,
  datetimeIsInThePast,
}: {
  bookedRoom: Room
  linkedReservationRooms: Room[]
  datetimeIsInThePast: boolean
}): boolean {
  const hasAnyCancelableRoom =
    bookedRoom.isCancelable ||
    linkedReservationRooms.some((room) => room.isCancelable)

  return hasAnyCancelableRoom && !datetimeIsInThePast
}

export function checkGuaranteeable({
  bookedRoom,
  datetimeIsInThePast,
}: {
  bookedRoom: Room
  datetimeIsInThePast: boolean
}): boolean {
  const conditions: GuaranteeConditions = {
    isCancellableBefore6PM:
      bookedRoom.rateDefinition.cancellationRule ===
      CancellationRuleEnum.CancellableBefore6PM,
    hasNoGuaranteeInfo: !bookedRoom.guaranteeInfo,
    isNotCancelled: !bookedRoom.isCancelled,
    isNotPast: !datetimeIsInThePast,
  }

  return Object.values(conditions).every(Boolean)
}

export function checkCanDownloadInvoice({
  isCancelled,
  isPrePaid,
}: {
  isCancelled: boolean
  isPrePaid: boolean
}): boolean {
  return !isCancelled && isPrePaid
}