"use client"

import { useRouter } from "next/navigation"
import { useTransition } from "react"
import { useIntl } from "react-intl"

import { RoomDetailsSidePeek } from "@scandic-hotels/booking-flow/components/RoomDetailsSidePeek"
import { selectRate } from "@scandic-hotels/common/constants/routes/hotelReservation"
import { Button } from "@scandic-hotels/design-system/Button"
import Footnote from "@scandic-hotels/design-system/Footnote"
import { MaterialIcon } from "@scandic-hotels/design-system/Icons/MaterialIcon"
import Subtitle from "@scandic-hotels/design-system/Subtitle"
import { getHotelRoom } from "@scandic-hotels/trpc/routers/booking/helpers"

import { useEnterDetailsStore } from "@/stores/enter-details"

import { useRoomContext } from "@/contexts/Details/Room"
import useLang from "@/hooks/useLang"

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

export default function SelectedRoom() {
  const intl = useIntl()
  const lang = useLang()
  const router = useRouter()
  const [isPending, startTransition] = useTransition()
  const { room, idx } = useRoomContext()
  const { hotelId, roomCategories, searchParamsStr } = useEnterDetailsStore(
    (state) => ({
      hotelId: state.booking.hotelId,
      roomCategories: state.roomCategories,
      searchParamsStr: state.searchParamString,
    })
  )

  function changeRoom() {
    const searchParams = new URLSearchParams(searchParamsStr)

    searchParams.set("activeRoomIndex", `${idx}`)
    startTransition(() => {
      router.push(`${selectRate(lang)}?${searchParams.toString()}`)
    })
  }

  const selectedRoom = getHotelRoom(roomCategories, room.roomTypeCode)

  return (
    <div className={styles.wrapper} data-available={room.isAvailable}>
      <div className={styles.main}>
        <div className={styles.headerContainer}>
          <Footnote
            className={styles.title}
            asChild
            textTransform="uppercase"
            type="label"
            color="uiTextHighContrast"
          >
            <h2>
              {intl.formatMessage({
                defaultMessage: "Room",
              })}
            </h2>
          </Footnote>
          <Subtitle
            type="two"
            className={styles.description}
            color="uiTextHighContrast"
          >
            {intl.formatMessage(
              {
                defaultMessage: "{roomType} <rate>{rateDescription}</rate>",
              },
              {
                roomType: room.roomType,
                rateDescription: room.cancellationText,
                rate: ([str]) => {
                  return str ? <span className={styles.rate}>{str}</span> : null
                },
              }
            )}
          </Subtitle>
          <Button
            variant="Text"
            size="Small"
            onPress={changeRoom}
            isDisabled={isPending}
            wrapping={false}
            typography="Body/Supporting text (caption)/smBold"
          >
            <MaterialIcon icon="edit_square" size={20} color="CurrentColor" />
            {intl.formatMessage({
              defaultMessage: "Change",
            })}
          </Button>
        </div>
        {room.roomTypeCode && selectedRoom && (
          <div className={styles.details}>
            <RoomDetailsSidePeek
              hotelId={hotelId}
              roomTypeCode={room.roomTypeCode}
              room={selectedRoom}
              buttonVariant="primary"
              triggerLabel={intl.formatMessage({
                defaultMessage: "See room details",
              })}
              wrapping={false}
            />
          </div>
        )}
      </div>
    </div>
  )
}