"use client"

import { useSearchParams } from "next/navigation"
import { useEffect, useRef } from "react"
import { useIntl } from "react-intl"

import { useRateSelectionStore } from "@/stores/rate-selection"

import { CheckIcon, InfoCircleIcon } from "@/components/Icons"
import Modal from "@/components/Modal"
import Button from "@/components/TempDesignSystem/Button"
import Label from "@/components/TempDesignSystem/Form/Label"
import Body from "@/components/TempDesignSystem/Text/Body"
import Caption from "@/components/TempDesignSystem/Text/Caption"

import PriceTable from "./PriceList"

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

import type { FlexibilityOptionProps } from "@/types/components/hotelReservation/selectRate/flexibilityOption"

export default function FlexibilityOption({
  product,
  name,
  paymentTerm,
  priceInformation,
  roomTypeCode,
  petRoomPackage,
  roomListIndex,
}: FlexibilityOptionProps) {
  const intl = useIntl()
  const inputElementRef = useRef<HTMLInputElement>(null)
  const { selectRate, selectedRates } = useRateSelectionStore()

  const searchParams = useSearchParams()

  // When entering the page with a room and rate selection already in the URL we
  // want to preselect the selection. This happens e.g. when you do a selection,
  // go to the enter details page and then want to change the room.
  useEffect(() => {
    const ratecodeSearchParam = searchParams.get(
      `room[${roomListIndex}].ratecode`
    )
    const roomtypeSearchParam = searchParams.get(
      `room[${roomListIndex}].roomtype`
    )

    // If this is not the room and rate we want to preselect, abort
    if (
      !product ||
      ratecodeSearchParam !== product.productType.public.rateCode ||
      roomtypeSearchParam !== roomTypeCode
    ) {
      return
    }

    // Check if there's already a selection for this room index
    const existingSelection = selectedRates[roomListIndex]
    if (existingSelection) return

    selectRate(roomListIndex, {
      publicRateCode: product.productType.public.rateCode,
      roomTypeCode: roomTypeCode,
      name: name,
      paymentTerm: paymentTerm,
    })

    if (inputElementRef.current) {
      inputElementRef.current.checked = true
    }
  }, [
    searchParams,
    roomListIndex,
    product,
    roomTypeCode,
    name,
    paymentTerm,
    selectedRates,
    selectRate,
  ])

  if (!product) {
    return (
      <div className={styles.noPricesCard}>
        <div className={styles.header}>
          <InfoCircleIcon width={16} height={16} color="uiTextMediumContrast" />
          <div className={styles.priceType}>
            <Caption>{name}</Caption>
            <Caption color="uiTextPlaceholder">({paymentTerm})</Caption>
          </div>
        </div>
        <Label size="regular" className={styles.noPricesLabel}>
          <Caption color="uiTextHighContrast" type="bold">
            {intl.formatMessage({ id: "No prices available" })}
          </Caption>
        </Label>
      </div>
    )
  }

  const { public: publicPrice, member: memberPrice } = product.productType

  const onClick: React.MouseEventHandler<HTMLInputElement> = (e) => {
    if (
      selectedRates[roomListIndex]?.publicRateCode === publicPrice.rateCode &&
      selectedRates[roomListIndex]?.roomTypeCode === roomTypeCode
    ) {
      if (e.currentTarget?.checked) e.currentTarget.checked = false
      selectRate(roomListIndex, undefined)
    } else {
      selectRate(roomListIndex, {
        publicRateCode: publicPrice.rateCode,
        roomTypeCode: roomTypeCode,
        name: name,
        paymentTerm: paymentTerm,
      })
    }
  }

  return (
    <label>
      <input
        type="radio"
        name={`rateCode-${roomListIndex}`}
        value={publicPrice?.rateCode}
        onClick={onClick}
        ref={inputElementRef}
      />
      <div className={styles.card}>
        <div className={styles.header}>
          <Modal
            trigger={
              <Button intent="text">
                <InfoCircleIcon
                  width={16}
                  height={16}
                  color="uiTextMediumContrast"
                />
              </Button>
            }
            title={name}
            subtitle={paymentTerm}
          >
            <div className={styles.terms}>
              {priceInformation?.map((info) => (
                <Body
                  key={info}
                  color="uiTextHighContrast"
                  className={styles.termsText}
                >
                  <CheckIcon
                    color="uiSemanticSuccess"
                    width={20}
                    height={20}
                    className={styles.termsIcon}
                  ></CheckIcon>
                  {info}
                </Body>
              ))}
            </div>
          </Modal>
          <div className={styles.priceType}>
            <Caption color="uiTextHighContrast">{name}</Caption>
            <Caption color="uiTextPlaceholder">({paymentTerm})</Caption>
          </div>
        </div>
        <PriceTable
          publicPrice={publicPrice}
          memberPrice={memberPrice}
          petRoomPackage={petRoomPackage}
        />

        <div className={styles.checkIcon}>
          <CheckIcon color="white" height="16" width="16" />
        </div>
      </div>
    </label>
  )
}