"use client"

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

import { dt } from "@/lib/dt"
import { useDetailsStore } from "@/stores/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 Popover from "@/components/TempDesignSystem/Popover"
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 type { BedTypeSchema } from "@/types/components/hotelReservation/enterDetails/bedType"
import type { BreakfastPackage } from "@/types/components/hotelReservation/enterDetails/breakfast"
import type { SummaryProps } from "@/types/components/hotelReservation/enterDetails/summary"
import type { DetailsState } from "@/types/stores/details"

function storeSelector(state: DetailsState) {
  return {
    fromDate: state.data.booking.fromDate,
    toDate: state.data.booking.toDate,
    bedType: state.data.bedType,
    breakfast: state.data.breakfast,
    toggleSummaryOpen: state.actions.toggleSummaryOpen,
    setTotalPrice: state.actions.setTotalPrice,
    totalPrice: state.totalPrice,
    join: state.data.join,
    membershipNo: state.data.membershipNo,
  }
}

export default function Summary({ showMemberPrice, room }: SummaryProps) {
  const [chosenBed, setChosenBed] = useState<BedTypeSchema>()
  const [chosenBreakfast, setChosenBreakfast] = useState<
    BreakfastPackage | false
  >()
  const intl = useIntl()
  const lang = useLang()
  const {
    bedType,
    breakfast,
    fromDate,
    setTotalPrice,
    toDate,
    toggleSummaryOpen,
    totalPrice,
    join,
    membershipNo,
  } = useDetailsStore(storeSelector)

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

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

  const color = useRef<"uiTextHighContrast" | "red">("uiTextHighContrast")
  const [price, setPrice] = useState(room.prices.public)

  const additionalPackageCost = room.packages?.reduce(
    (acc, curr) => {
      acc.local = acc.local + parseInt(curr.localPrice.totalPrice)
      acc.euro = acc.euro + parseInt(curr.requestedPrice.totalPrice)
      return acc
    },
    { local: 0, euro: 0 }
  ) || { local: 0, euro: 0 }

  const roomsPriceLocal = price.local.amount + additionalPackageCost.local
  const roomsPriceEuro = price.euro
    ? price.euro.amount + additionalPackageCost.euro
    : undefined

  useEffect(() => {
    if (showMemberPrice || join || membershipNo) {
      color.current = "red"
      if (room.prices.member) {
        setPrice(room.prices.member)
      }
    } else {
      color.current = "uiTextHighContrast"
      setPrice(room.prices.public)
    }
  }, [showMemberPrice, join, membershipNo, room.prices])

  useEffect(() => {
    setChosenBed(bedType)

    if (breakfast || breakfast === false) {
      setChosenBreakfast(breakfast)
      if (breakfast === false) {
        setTotalPrice({
          local: {
            amount: roomsPriceLocal,
            currency: price.local.currency,
          },
          euro:
            price.euro && roomsPriceEuro
              ? {
                  amount: roomsPriceEuro,
                  currency: price.euro.currency,
                }
              : undefined,
        })
      } else {
        setTotalPrice({
          local: {
            amount: roomsPriceLocal + parseInt(breakfast.localPrice.totalPrice),
            currency: price.local.currency,
          },
          euro:
            price.euro && roomsPriceEuro
              ? {
                  amount:
                    roomsPriceEuro +
                    parseInt(breakfast.requestedPrice.totalPrice),
                  currency: price.euro.currency,
                }
              : undefined,
        })
      }
    }
  }, [
    bedType,
    breakfast,
    roomsPriceLocal,
    price.local.currency,
    price.euro,
    roomsPriceEuro,
    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="uiTextHighContrast">{room.roomType}</Body>
            <Caption color={color.current}>
              {intl.formatMessage(
                { id: "{amount} {currency}" },
                {
                  amount: intl.formatNumber(price.local.amount),
                  currency: price.local.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>
          <Popover
            placement="bottom left"
            triggerContent={
              <Caption color="burgundy" type="underline">
                {intl.formatMessage({ id: "Rate details" })}
              </Caption>
            }
          >
            <aside className={styles.rateDetailsPopover}>
              <header>
                <Caption type="bold">{room.cancellationText}</Caption>
              </header>
              {room.rateDetails?.map((detail, idx) => (
                <Caption key={`rateDetails-${idx}`}>{detail}</Caption>
              ))}
            </aside>
          </Popover>
        </div>
        {room.packages
          ? room.packages.map((roomPackage) => (
              <div className={styles.entry} key={roomPackage.code}>
                <div>
                  <Body color="uiTextHighContrast">
                    {roomPackage.description}
                  </Body>
                </div>

                <Caption color="uiTextHighContrast">
                  {intl.formatMessage(
                    { id: "{amount} {currency}" },
                    {
                      amount: roomPackage.localPrice.price,
                      currency: roomPackage.localPrice.currency,
                    }
                  )}
                </Caption>
              </div>
            ))
          : null}
        {chosenBed ? (
          <div className={styles.entry}>
            <div>
              <Body color="uiTextHighContrast">{chosenBed.description}</Body>
              <Caption color="uiTextMediumContrast">
                {intl.formatMessage({ id: "Based on availability" })}
              </Caption>
            </div>

            <Caption color="uiTextHighContrast">
              {intl.formatMessage(
                { id: "{amount} {currency}" },
                { amount: "0", currency: price.local.currency }
              )}
            </Caption>
          </div>
        ) : null}

        {chosenBreakfast === false ? (
          <div className={styles.entry}>
            <Body color="uiTextHighContrast">
              {intl.formatMessage({ id: "No breakfast" })}
            </Body>
            <Caption color="uiTextMediumContrast">
              {intl.formatMessage(
                { id: "{amount} {currency}" },
                { amount: "0", currency: price.local.currency }
              )}
            </Caption>
          </div>
        ) : chosenBreakfast?.code ? (
          <div className={styles.entry}>
            <Body color="uiTextHighContrast">
              {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>
            {totalPrice.local.amount > 0 && (
              <Body textTransform="bold">
                {intl.formatMessage(
                  { id: "{amount} {currency}" },
                  {
                    amount: intl.formatNumber(totalPrice.local.amount),
                    currency: totalPrice.local.currency,
                  }
                )}
              </Body>
            )}
            {totalPrice.euro && totalPrice.euro.amount > 0 && (
              <Caption color="uiTextMediumContrast">
                {intl.formatMessage({ id: "Approx." })}{" "}
                {intl.formatMessage(
                  { id: "{amount} {currency}" },
                  {
                    amount: intl.formatNumber(totalPrice.euro.amount),
                    currency: totalPrice.euro.currency,
                  }
                )}
              </Caption>
            )}
          </div>
        </div>
        <Divider className={styles.bottomDivider} color="primaryLightSubtle" />
      </div>
    </section>
  )
}