import { calculateVat } from "@scandic-hotels/booking-flow/utils/SelectRate"
import { CurrencyEnum } from "@scandic-hotels/common/constants/currency"
import { Divider } from "@scandic-hotels/design-system/Divider"
import { Typography } from "@scandic-hotels/design-system/Typography"
import { RoomPackageCodeEnum } from "@scandic-hotels/trpc/enums/roomFilter"

import { getIntl } from "@/i18n"

import styles from "./specification.module.css"

import type { SpecificationProps } from "@/types/components/hotelReservation/myStay/receipt"

export default async function Specification({
  ancillaryPackages,
  booking,
  currency,
}: SpecificationProps) {
  const intl = await getIntl()

  const breakfastPackages = booking.packages.filter(
    (p) => p.type === "Breakfast"
  )
  const breakfastTotalPriceInMoney = breakfastPackages
    .filter((p) => p.currency !== CurrencyEnum.POINTS)
    .reduce((acc, curr) => acc + curr.totalPrice, 0)
  const breakfastTotalPriceInPoints = breakfastPackages
    .filter((p) => p.currency === CurrencyEnum.POINTS)
    .reduce((acc, curr) => acc + curr.totalPrice, 0)

  const breakfastCount = breakfastPackages.reduce(
    (acc, curr) => acc + curr.unit,
    0
  )

  const displayBreakfastPrice =
    breakfastCount > 0 && !booking.rateDefinition.breakfastIncluded

  const breakfastMoneyString =
    breakfastTotalPriceInMoney > 0
      ? `${breakfastTotalPriceInMoney} ${currency}`
      : ""
  const breakfastPointsString =
    breakfastTotalPriceInPoints > 0
      ? intl.formatMessage(
          {
            id: "common.numberOfPoints",
            defaultMessage: "{points, plural, one {# point} other {# points}}",
          },
          { points: breakfastTotalPriceInPoints }
        )
      : ""
  const breakfastPlusString =
    breakfastMoneyString && breakfastPointsString ? " + " : ""

  const petRoomPackage = booking.packages.find(
    (p) => p.code === RoomPackageCodeEnum.PET_ROOM
  )

  const { vatAmount, priceExclVat } = calculateVat(
    booking.roomPrice,
    booking.vatPercentage
  )

  return (
    <div className={styles.container}>
      <div>
        {/****** The room ********/}
        <Typography variant="Body/Supporting text (caption)/smBold">
          <span>
            {intl.formatMessage({
              id: "myStay.receipt.accommodation",
              defaultMessage: "Accommodation",
            })}
            {!booking.rateDefinition.mustBeGuaranteed && (
              <>
                {" - "}
                {intl.formatMessage({
                  id: "myStay.receipt.prepaidRoom",
                  defaultMessage: "Room is prepaid",
                })}
              </>
            )}
          </span>
        </Typography>
        <dl className={styles.dl}>
          <Typography variant="Body/Supporting text (caption)/smRegular">
            <dt>
              {intl.formatMessage({
                id: "booking.priceIncludingVat",
                defaultMessage: "Price including VAT",
              })}
            </dt>
          </Typography>
          <Typography variant="Body/Supporting text (caption)/smRegular">
            <dd>
              {!booking.rateDefinition.mustBeGuaranteed
                ? // eslint-disable-next-line formatjs/no-literal-string-in-jsx
                  `(${intl.formatMessage({
                    id: "myStay.receipt.prepaid",
                    defaultMessage: "PREPAID",
                  })}) `
                : null}
              {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
              {`${booking.roomPrice} ${currency}`}
            </dd>
          </Typography>

          {petRoomPackage && (
            <>
              <Typography variant="Body/Supporting text (caption)/smRegular">
                <dt>
                  {intl.formatMessage({
                    id: "myStay.receipt.petRoomChargeIncludingVat",
                    defaultMessage: "Pet room charge including VAT",
                  })}
                </dt>
              </Typography>
              <Typography variant="Body/Supporting text (caption)/smRegular">
                {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
                <dd>{`${petRoomPackage.totalPrice} ${petRoomPackage.currency}`}</dd>
              </Typography>
            </>
          )}

          <Typography variant="Body/Supporting text (caption)/smRegular">
            <dt className={styles.tertiary}>
              {intl.formatMessage({
                id: "booking.priceExcludingVat",
                defaultMessage: "Price excluding VAT",
              })}
            </dt>
          </Typography>
          <Typography variant="Body/Supporting text (caption)/smRegular">
            <dd className={styles.tertiary}>
              {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
              {`${priceExclVat.toFixed(2)} ${currency}`}
            </dd>
          </Typography>

          <Typography variant="Body/Supporting text (caption)/smRegular">
            <dt className={styles.tertiary}>
              {intl.formatMessage({
                id: "common.vat",
                defaultMessage: "VAT",
              })}
              {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
              {` ${booking.vatPercentage} %`}
            </dt>
          </Typography>
          <Typography variant="Body/Supporting text (caption)/smRegular">
            <dd className={styles.tertiary}>
              {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
              {`${vatAmount.toFixed(2)} ${currency}`}
            </dd>
          </Typography>
        </dl>
      </div>

      {/****** Ancillaries ********/}
      {booking.ancillaries.map((ancillary) => (
        <>
          <Divider />
          <div>
            <div className={styles.quantifyingHeader}>
              <Typography variant="Body/Supporting text (caption)/smBold">
                <span>
                  {ancillaryPackages?.flatMap((a) =>
                    a.ancillaryContent.filter(
                      (aa) =>
                        aa.id === ancillary.code ||
                        aa.loyaltyCode === ancillary.code
                    )
                  )[0]?.title ??
                    intl.formatMessage({
                      id: "myStay.receipt.unknownItem",
                      defaultMessage: "Unknown item",
                    })}
                </span>
              </Typography>
              <Typography variant="Body/Supporting text (caption)/smBold">
                <span>
                  {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
                  {`× ${ancillary.unit}`}
                </span>
              </Typography>
            </div>

            <dl className={styles.dl}>
              <Typography variant="Body/Supporting text (caption)/smRegular">
                <dt>
                  {ancillary.currency !== CurrencyEnum.POINTS
                    ? intl.formatMessage({
                        id: "booking.priceIncludingVat",
                        defaultMessage: "Price including VAT",
                      })
                    : intl.formatMessage({
                        id: "common.price",
                        defaultMessage: "Price",
                      })}
                </dt>
              </Typography>
              <Typography variant="Body/Supporting text (caption)/smRegular">
                <dd>
                  {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
                  {`${ancillary.totalPrice} ${ancillary.currency}`}
                </dd>
              </Typography>
            </dl>
          </div>
        </>
      ))}

      {/****** Breakfast ********/}
      {displayBreakfastPrice && (
        <>
          <Divider />
          <div>
            <div className={styles.quantifyingHeader}>
              <Typography variant="Body/Supporting text (caption)/smBold">
                <span>
                  {intl.formatMessage({
                    id: "common.breakfast",
                    defaultMessage: "Breakfast",
                  })}
                </span>
              </Typography>
              <Typography variant="Body/Supporting text (caption)/smBold">
                {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
                <span>{`× ${breakfastCount}`}</span>
              </Typography>
            </div>

            <dl className={styles.dl}>
              <Typography variant="Body/Supporting text (caption)/smRegular">
                <dt>
                  {breakfastTotalPriceInMoney > 0
                    ? intl.formatMessage({
                        id: "booking.priceIncludingVat",
                        defaultMessage: "Price including VAT",
                      })
                    : intl.formatMessage({
                        id: "common.price",
                        defaultMessage: "Price",
                      })}
                </dt>
              </Typography>
              <Typography variant="Body/Supporting text (caption)/smRegular">
                <dd>
                  {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
                  {`${breakfastMoneyString}${breakfastPlusString}${breakfastPointsString}`}
                </dd>
              </Typography>
            </dl>
          </div>
        </>
      )}
    </div>
  )
}