"use client"

import { useEffect, useState } from "react"
import { ChevronDown } from "react-feather"
import { useIntl } from "react-intl"

import { dt } from "@/lib/dt"
import { EnterDetailsState, useEnterDetailsStore } from "@/stores/enter-details"

import { ArrowRightIcon } from "@/components/Icons"
import Button from "@/components/TempDesignSystem/Button"
import Divider from "@/components/TempDesignSystem/Divider"
import Link from "@/components/TempDesignSystem/Link"
import Body from "@/components/TempDesignSystem/Text/Body"
import Caption from "@/components/TempDesignSystem/Text/Caption"
import Subtitle from "@/components/TempDesignSystem/Text/Subtitle"
import useLang from "@/hooks/useLang"

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

import { BedTypeSchema } from "@/types/components/hotelReservation/enterDetails/bedType"
import { RoomsData } from "@/types/components/hotelReservation/enterDetails/bookingData"
import { BreakfastPackage } from "@/types/components/hotelReservation/enterDetails/breakfast"
import { BreakfastPackageEnum } from "@/types/enums/breakfast"

function storeSelector(state: EnterDetailsState) {
  return {
    fromDate: state.roomData.fromDate,
    toDate: state.roomData.toDate,
    bedType: state.userData.bedType,
    breakfast: state.userData.breakfast,
    toggleSummaryOpen: state.toggleSummaryOpen,
    setTotalPrice: state.setTotalPrice,
    totalPrice: state.totalPrice,
  }
}

function parsePrice(price: string | undefined) {
  return price ? parseInt(price) : 0
}

export default function Summary({
  showMemberPrice,
  room,
}: {
  showMemberPrice: boolean
  room: RoomsData
}) {
  const [chosenBed, setChosenBed] = useState<BedTypeSchema>()
  const [chosenBreakfast, setChosenBreakfast] = useState<
    BreakfastPackage | BreakfastPackageEnum.NO_BREAKFAST
  >()
  const intl = useIntl()
  const lang = useLang()
  const {
    fromDate,
    toDate,
    bedType,
    breakfast,
    setTotalPrice,
    totalPrice,
    toggleSummaryOpen,
  } = useEnterDetailsStore(storeSelector)

  const diff = dt(toDate).diff(fromDate, "days")

  const nights = intl.formatMessage(
    { id: "booking.nights" },
    { totalNights: diff }
  )

  let color: "uiTextHighContrast" | "red" = "uiTextHighContrast"
  if (showMemberPrice) {
    color = "red"
  }

  useEffect(() => {
    setChosenBed(bedType)

    if (breakfast) {
      setChosenBreakfast(breakfast)
      if (breakfast === BreakfastPackageEnum.NO_BREAKFAST) {
        setTotalPrice({
          local: {
            price: parsePrice(room.localPrice.price),
            currency: room.localPrice.currency,
          },
          euro: {
            price: parsePrice(room.euroPrice.price),
            currency: room.euroPrice.currency,
          },
        })
      } else {
        setTotalPrice({
          local: {
            price:
              parsePrice(room.localPrice.price) +
              parsePrice(breakfast.localPrice.totalPrice),
            currency: room.localPrice.currency,
          },
          euro: {
            price:
              parsePrice(room.euroPrice.price) +
              parsePrice(breakfast.requestedPrice.totalPrice),
            currency: room.euroPrice.currency,
          },
        })
      }
    }
  }, [bedType, breakfast, room.localPrice, room.euroPrice, setTotalPrice])

  useEffect(() => {
    setTotalPrice({
      local: {
        price: parsePrice(room.localPrice.price),
        currency: room.localPrice.currency,
      },
      euro: {
        price: parsePrice(room.euroPrice.price),
        currency: room.euroPrice.currency,
      },
    })
  }, [room.localPrice, room.euroPrice, setTotalPrice])

  return (
    <section className={styles.summary}>
      <header className={styles.header}>
        <Subtitle className={styles.title} type="two">
          {intl.formatMessage({ id: "Summary" })}
        </Subtitle>
        <Body className={styles.date} color="baseTextMediumContrast">
          {dt(fromDate).locale(lang).format("ddd, D MMM")}
          <ArrowRightIcon color="peach80" height={15} width={15} />
          {dt(toDate).locale(lang).format("ddd, D MMM")} ({nights})
        </Body>
        <Button
          intent="text"
          size="small"
          className={styles.chevronButton}
          onClick={toggleSummaryOpen}
        >
          <ChevronDown height="20" width="20" />
        </Button>
      </header>
      <Divider color="primaryLightSubtle" />
      <div className={styles.addOns}>
        <div>
          <div className={styles.entry}>
            <Body color="textHighContrast">{room.roomType}</Body>
            <Caption color={color}>
              {intl.formatMessage(
                { id: "{amount} {currency}" },
                {
                  amount: intl.formatNumber(
                    parseInt(room.localPrice.price ?? "0")
                  ),
                  currency: room.localPrice.currency,
                }
              )}
            </Caption>
          </div>
          <Caption color="uiTextMediumContrast">
            {intl.formatMessage(
              { id: "booking.adults" },
              { totalAdults: room.adults }
            )}
          </Caption>
          {room.children?.length ? (
            <Caption color="uiTextMediumContrast">
              {intl.formatMessage(
                { id: "booking.children" },
                { totalChildren: room.children.length }
              )}
            </Caption>
          ) : null}
          <Caption color="uiTextMediumContrast">
            {room.cancellationText}
          </Caption>
          <Link color="burgundy" href="#" variant="underscored" size="small">
            {intl.formatMessage({ id: "Rate details" })}
          </Link>
        </div>

        {chosenBed ? (
          <div className={styles.entry}>
            <div>
              <Body color="textHighContrast">{chosenBed.description}</Body>
              <Caption color="uiTextMediumContrast">
                {intl.formatMessage({ id: "Based on availability" })}
              </Caption>
            </div>

            <Caption color="uiTextMediumContrast">
              {intl.formatMessage(
                { id: "{amount} {currency}" },
                { amount: "0", currency: room.localPrice.currency }
              )}
            </Caption>
          </div>
        ) : null}

        {chosenBreakfast ? (
          chosenBreakfast === BreakfastPackageEnum.NO_BREAKFAST ? (
            <div className={styles.entry}>
              <Body color="textHighContrast">
                {intl.formatMessage({ id: "No breakfast" })}
              </Body>
              <Caption color="uiTextMediumContrast">
                {intl.formatMessage(
                  { id: "{amount} {currency}" },
                  { amount: "0", currency: room.localPrice.currency }
                )}
              </Caption>
            </div>
          ) : (
            <div className={styles.entry}>
              <Body color="textHighContrast">
                {intl.formatMessage({ id: "Breakfast buffet" })}
              </Body>
              <Caption color="uiTextMediumContrast">
                {intl.formatMessage(
                  { id: "{amount} {currency}" },
                  {
                    amount: chosenBreakfast.localPrice.totalPrice,
                    currency: chosenBreakfast.localPrice.currency,
                  }
                )}
              </Caption>
            </div>
          )
        ) : null}
      </div>
      <Divider color="primaryLightSubtle" />
      <div className={styles.total}>
        <div className={styles.entry}>
          <div>
            <Body>
              {intl.formatMessage<React.ReactNode>(
                { id: "<b>Total price</b> (incl VAT)" },
                { b: (str) => <b>{str}</b> }
              )}
            </Body>
            <Link color="burgundy" href="#" variant="underscored" size="small">
              {intl.formatMessage({ id: "Price details" })}
            </Link>
          </div>
          <div>
            <Body textTransform="bold">
              {intl.formatMessage(
                { id: "{amount} {currency}" },
                {
                  amount: intl.formatNumber(totalPrice.local.price),
                  currency: totalPrice.local.currency,
                }
              )}
            </Body>
            <Caption color="uiTextMediumContrast">
              {intl.formatMessage({ id: "Approx." })}{" "}
              {intl.formatMessage(
                { id: "{amount} {currency}" },
                {
                  amount: intl.formatNumber(totalPrice.euro.price),
                  currency: totalPrice.euro.currency,
                }
              )}
            </Caption>
          </div>
        </div>
        <Divider className={styles.bottomDivider} color="primaryLightSubtle" />
      </div>
    </section>
  )
}
