import { notFound, redirect } from "next/navigation"

import {
  getBreakfastPackages,
  getCreditCardsSafely,
  getHotelData,
  getProfileSafely,
  getRoomAvailability,
} from "@/lib/trpc/memoizedRequests"

import BedType from "@/components/HotelReservation/EnterDetails/BedType"
import Breakfast from "@/components/HotelReservation/EnterDetails/Breakfast"
import Details from "@/components/HotelReservation/EnterDetails/Details"
import HistoryStateManager from "@/components/HotelReservation/EnterDetails/HistoryStateManager"
import Payment from "@/components/HotelReservation/EnterDetails/Payment"
import SectionAccordion from "@/components/HotelReservation/EnterDetails/SectionAccordion"
import getHotelReservationQueryParams from "@/components/HotelReservation/SelectRate/RoomSelection/utils"
import { getIntl } from "@/i18n"

import { StepEnum } from "@/types/components/enterDetails/step"
import type { LangParams, PageArgs } from "@/types/params"

export function preload() {
  void getProfileSafely()
  void getCreditCardsSafely()
}

function isValidStep(step: string): step is StepEnum {
  return Object.values(StepEnum).includes(step as StepEnum)
}

export default async function StepPage({
  params,
  searchParams,
}: PageArgs<LangParams & { step: StepEnum }, { hotel: string }>) {
  if (!searchParams.hotel) {
    redirect(`/${params.lang}`)
  }
  void getBreakfastPackages(searchParams.hotel)
  const stepParams = new URLSearchParams(searchParams)
  const paramsObject = getHotelReservationQueryParams(stepParams)
  void getRoomAvailability({
    hotelId: paramsObject.hotel,
    adults: paramsObject.room[0].adults,
    roomStayStartDate: paramsObject.fromDate,
    roomStayEndDate: paramsObject.toDate,
  })
  const intl = await getIntl()

  const hotel = await getHotelData(searchParams.hotel, params.lang)
  const user = await getProfileSafely()
  const savedCreditCards = await getCreditCardsSafely()
  const breakfastPackages = await getBreakfastPackages(searchParams.hotel)

  const roomAvailability = await getRoomAvailability({
    hotelId: paramsObject.hotel,
    adults: paramsObject.room[0].adults,
    roomStayStartDate: paramsObject.fromDate,
    roomStayEndDate: paramsObject.toDate,
    rateCode: paramsObject.room[0].ratecode,
  })

  if (!isValidStep(params.step) || !hotel || !roomAvailability) {
    return notFound()
  }

  const mustBeGuaranteed = roomAvailability?.mustBeGuaranteed ?? false

  const paymentGuarantee = intl.formatMessage({
    id: "Payment Guarantee",
  })
  const payment = intl.formatMessage({
    id: "Payment",
  })
  const guaranteeWithCard = intl.formatMessage({
    id: "Guarantee booking with credit card",
  })
  const selectPaymentMethod = intl.formatMessage({
    id: "Select payment method",
  })

  return (
    <section>
      <HistoryStateManager />
      <SectionAccordion
        header={intl.formatMessage({ id: "Select bed" })}
        step={StepEnum.selectBed}
        label={intl.formatMessage({ id: "Request bedtype" })}
      >
        <BedType />
      </SectionAccordion>
      <SectionAccordion
        header={intl.formatMessage({ id: "Food options" })}
        step={StepEnum.breakfast}
        label={intl.formatMessage({ id: "Select breakfast options" })}
      >
        <Breakfast packages={breakfastPackages} />
      </SectionAccordion>
      <SectionAccordion
        header={intl.formatMessage({ id: "Details" })}
        step={StepEnum.details}
        label={intl.formatMessage({ id: "Enter your details" })}
      >
        <Details user={user} />
      </SectionAccordion>
      <SectionAccordion
        header={mustBeGuaranteed ? paymentGuarantee : payment}
        step={StepEnum.payment}
        label={mustBeGuaranteed ? guaranteeWithCard : selectPaymentMethod}
      >
        <Payment
          hotelId={searchParams.hotel}
          otherPaymentOptions={
            hotel.data.attributes.merchantInformationData
              .alternatePaymentOptions
          }
          savedCreditCards={savedCreditCards}
          mustBeGuaranteed={mustBeGuaranteed}
        />
      </SectionAccordion>
    </section>
  )
}
