"use client"

import { usePathname } from "next/navigation"
import React, { useState } from "react"
import { Dialog, Modal, ModalOverlay } from "react-aria-components"
import { useIntl } from "react-intl"

import { benefits } from "@/constants/routes/myPages"
import { dt } from "@/lib/dt"
import { trpc } from "@/lib/trpc/client"

import { ChevronRightSmallIcon, CloseLargeIcon } from "@/components/Icons"
import Image from "@/components/Image"
import Button from "@/components/TempDesignSystem/Button"
import Link from "@/components/TempDesignSystem/Link"
import Body from "@/components/TempDesignSystem/Text/Body"
import Caption from "@/components/TempDesignSystem/Text/Caption"
import Title from "@/components/TempDesignSystem/Text/Title"
import { toast } from "@/components/TempDesignSystem/Toasts"
import useLang from "@/hooks/useLang"

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

import type { SurprisesProps } from "@/types/components/blocks/surprises"

export default function SurprisesNotification({
  surprises,
  membershipNumber,
}: SurprisesProps) {
  const lang = useLang()
  const pathname = usePathname()
  const [open, setOpen] = useState(true)
  const [selectedSurprise, setSelectedSurprise] = useState(0)
  const [showSurprises, setShowSurprises] = useState(false)
  const update = trpc.contentstack.rewards.update.useMutation()
  const intl = useIntl()

  if (!surprises.length) {
    return null
  }

  const surprise = surprises[selectedSurprise]

  function showSurprise(n: number) {
    setSelectedSurprise((surprise) => surprise + n)
  }

  function viewRewards() {
    if (surprise.reward_id) {
      update.mutate({ id: surprise.reward_id })
    }
  }

  function closeModal(close: VoidFunction) {
    viewRewards()
    close()

    if (pathname.indexOf(benefits[lang]) !== 0) {
      toast.success(
        <>
          {intl.formatMessage(
            { id: "Gift(s) added to your benefits" },
            { amount: surprises.length }
          )}
          <br />
          <Link href={benefits[lang]} variant="underscored" color="burgundy">
            {intl.formatMessage({ id: "Go to My Benefits" })}
          </Link>
        </>
      )
    }
  }

  return (
    <ModalOverlay
      className={styles.overlay}
      isOpen={open}
      onOpenChange={setOpen}
      isKeyboardDismissDisabled
    >
      <Modal className={styles.modal}>
        <Dialog aria-label="Surprises" className={styles.dialog}>
          {({ close }) => {
            return (
              <>
                <div className={styles.top}>
                  {surprises.length > 1 && showSurprises && (
                    <Caption type="label" uppercase>
                      {intl.formatMessage(
                        { id: "{amount} out of {total}" },
                        {
                          amount: selectedSurprise + 1,
                          total: surprises.length,
                        }
                      )}
                    </Caption>
                  )}
                  <button
                    onClick={() => closeModal(close)}
                    type="button"
                    className={styles.close}
                  >
                    <CloseLargeIcon />
                  </button>
                </div>
                {showSurprises ? (
                  <>
                    <div className={styles.content}>
                      <Surprise title={surprise.label}>
                        <Body textAlign="center">{surprise.description}</Body>
                        <div className={styles.badge}>
                          <Caption>
                            {intl.formatMessage({ id: "Valid through" })}{" "}
                            {dt(surprise.endsAt)
                              .locale(lang)
                              .format("DD MMM YYYY")}
                          </Caption>
                          <Caption>
                            {intl.formatMessage({ id: "Membership ID" })}{" "}
                            {membershipNumber}
                          </Caption>
                        </div>
                      </Surprise>
                    </div>
                    {surprises.length > 1 && (
                      <>
                        <nav className={styles.nav}>
                          <Button
                            variant="icon"
                            intent="tertiary"
                            disabled={selectedSurprise === 0}
                            onPress={() => showSurprise(-1)}
                            size="small"
                          >
                            <ChevronRightSmallIcon
                              className={styles.chevron}
                              width={20}
                              height={20}
                            />
                            {intl.formatMessage({ id: "Previous" })}
                          </Button>
                          <Button
                            variant="icon"
                            intent="tertiary"
                            disabled={selectedSurprise === surprises.length - 1}
                            onPress={() => showSurprise(1)}
                            size="small"
                          >
                            {intl.formatMessage({ id: "Next" })}
                            <ChevronRightSmallIcon width={20} height={20} />
                          </Button>
                        </nav>
                      </>
                    )}
                  </>
                ) : (
                  <div className={styles.content}>
                    {surprises.length > 1 ? (
                      <Surprise title={intl.formatMessage({ id: "Surprise!" })}>
                        <Body textAlign="center">
                          {intl.formatMessage<React.ReactNode>(
                            {
                              id: "You have <b>#</b> gifts waiting for you!",
                            },
                            {
                              amount: surprises.length,
                              b: (str) => <b>{str}</b>,
                            }
                          )}
                          <br />
                          {intl.formatMessage({
                            id: "Hurry up and use them before they expire!",
                          })}
                        </Body>
                        <Caption>
                          {intl.formatMessage({
                            id: "You'll find all your gifts in 'My benefits'",
                          })}
                        </Caption>
                      </Surprise>
                    ) : (
                      <Surprise title={intl.formatMessage({ id: "Surprise!" })}>
                        <Body textAlign="center">
                          {intl.formatMessage({
                            id: "We have a special gift waiting for you!",
                          })}
                        </Body>
                        <Caption>
                          {intl.formatMessage({
                            id: "You'll find all your gifts in 'My benefits'",
                          })}
                        </Caption>
                      </Surprise>
                    )}

                    <Button
                      intent="primary"
                      onPress={() => {
                        viewRewards()
                        setShowSurprises(true)
                      }}
                      size="medium"
                      theme="base"
                      fullWidth
                      autoFocus
                    >
                      {intl.formatMessage(
                        {
                          id: "Open gift(s)",
                        },
                        { amount: surprises.length }
                      )}
                    </Button>
                  </div>
                )}
              </>
            )
          }}
        </Dialog>
      </Modal>
    </ModalOverlay>
  )
}

function Surprise({
  title,
  children,
}: {
  title?: string
  children?: React.ReactNode
}) {
  return (
    <>
      <Image
        src="/_static/img/loyalty-award.png"
        width={113}
        height={125}
        alt="Gift"
      />
      <Title textAlign="center" level="h4">
        {title}
      </Title>

      {children}
    </>
  )
}
