import { CheckIcon } from "@heroicons/react/outline";
import { ClockIcon } from "@heroicons/react/solid";
import dayjs from "dayjs";
import timezone from "dayjs/plugin/timezone";
import toArray from "dayjs/plugin/toArray";
import utc from "dayjs/plugin/utc";
import { createEvent } from "ics";
import { GetServerSidePropsContext } from "next";
import Link from "next/link";
import { useRouter } from "next/router";
import { useEffect, useState } from "react";

import { asStringOrThrow, asStringOrNull } from "@lib/asStringOrNull";
import { getEventName } from "@lib/event";
import { useLocale } from "@lib/hooks/useLocale";
import useTheme from "@lib/hooks/useTheme";
import { isBrandingHidden } from "@lib/isBrandingHidden";
import prisma from "@lib/prisma";
import { inferSSRProps } from "@lib/types/inferSSRProps";

import CustomBranding from "@components/CustomBranding";
import { EmailInput } from "@components/form/fields";
import { HeadSeo } from "@components/seo/head-seo";
import Button from "@components/ui/Button";

import { ssrInit } from "@server/lib/ssr";

dayjs.extend(utc);
dayjs.extend(toArray);
dayjs.extend(timezone);

export default function Success(props: inferSSRProps<typeof getServerSideProps>) {
  const { t } = useLocale();
  const router = useRouter();
  const { location, name, reschedule } = router.query;

  const [is24h, setIs24h] = useState(false);
  const [date, setDate] = useState(dayjs.utc(asStringOrThrow(router.query.date)));
  const { isReady } = useTheme(props.profile.theme);

  useEffect(() => {
    setDate(date.tz(localStorage.getItem("timeOption.preferredTimeZone") || dayjs.tz.guess()));
    setIs24h(!!localStorage.getItem("timeOption.is24hClock"));
  }, []);

  const attendeeName = typeof name === "string" ? name : "Nameless";

  const eventNameObject = {
    attendeeName,
    eventType: props.eventType.title,
    eventName: props.eventType.eventName,
    host: props.profile.name || "Nameless",
    t,
  };

  const eventName = getEventName(eventNameObject);

  function eventLink(): string {
    const optional: { location?: string } = {};
    if (location) {
      optional["location"] = Array.isArray(location) ? location[0] : location;
    }

    const event = createEvent({
      start: [
        date.toDate().getUTCFullYear(),
        (date.toDate().getUTCMonth() as number) + 1,
        date.toDate().getUTCDate(),
        date.toDate().getUTCHours(),
        date.toDate().getUTCMinutes(),
      ],
      startInputType: "utc",
      title: eventName,
      description: props.eventType.description ? props.eventType.description : undefined,
      /** formatted to required type of description ^ */
      duration: { minutes: props.eventType.length },
      ...optional,
    });

    if (event.error) {
      throw event.error;
    }

    return encodeURIComponent(event.value ? event.value : false);
  }

  const needsConfirmation = props.eventType.requiresConfirmation && reschedule != "true";

  return (
    (isReady && (
      <div className="h-screen bg-neutral-50 dark:bg-neutral-900" data-testid="success-page">
        <HeadSeo
          title={needsConfirmation ? t("booking_submitted") : t("booking_confirmed")}
          description={needsConfirmation ? t("booking_submitted") : t("booking_confirmed")}
        />
        <CustomBranding val={props.profile.brandColor} />
        <main className="max-w-3xl py-24 mx-auto">
          <div className="fixed inset-0 z-50 overflow-y-auto">
            <div className="flex items-end justify-center min-h-screen px-4 pt-4 pb-20 text-center sm:block sm:p-0">
              <div className="fixed inset-0 my-4 transition-opacity sm:my-0" aria-hidden="true">
                <span className="hidden sm:inline-block sm:align-middle sm:h-screen" aria-hidden="true">
                  &#8203;
                </span>
                <div
                  className="inline-block px-8 pt-5 pb-4 overflow-hidden text-left align-bottom transition-all transform bg-white border rounded-sm dark:bg-gray-800 border-neutral-200 dark:border-neutral-700 sm:my-8 sm:align-middle sm:max-w-lg sm:w-full sm:py-6"
                  role="dialog"
                  aria-modal="true"
                  aria-labelledby="modal-headline">
                  <div>
                    <div className="flex items-center justify-center w-12 h-12 mx-auto bg-green-100 rounded-full">
                      {!needsConfirmation && <CheckIcon className="w-8 h-8 text-green-600" />}
                      {needsConfirmation && <ClockIcon className="w-8 h-8 text-green-600" />}
                    </div>
                    <div className="mt-3 text-center sm:mt-5">
                      <h3
                        className="text-2xl font-semibold leading-6 dark:text-white text-neutral-900"
                        id="modal-headline">
                        {needsConfirmation ? t("submitted") : t("meeting_is_scheduled")}
                      </h3>
                      <div className="mt-3">
                        <p className="text-sm text-neutral-600 dark:text-gray-300">
                          {needsConfirmation
                            ? props.profile.name !== null
                              ? t("user_needs_to_confirm_or_reject_booking", { user: props.profile.name })
                              : t("needs_to_be_confirmed_or_rejected")
                            : t("emailed_you_and_attendees")}
                        </p>
                      </div>
                      <div className="grid grid-cols-3 py-4 mt-4 text-left text-gray-700 border-t border-b dark:text-gray-300 dark:border-gray-900">
                        <div className="font-medium">{t("what")}</div>
                        <div className="col-span-2 mb-6">{eventName}</div>
                        <div className="font-medium">{t("when")}</div>
                        <div className="col-span-2">
                          {date.format("dddd, DD MMMM YYYY")}
                          <br />
                          {date.format(is24h ? "H:mm" : "h:mma")} - {props.eventType.length} mins{" "}
                          <span className="text-gray-500">
                            ({localStorage.getItem("timeOption.preferredTimeZone") || dayjs.tz.guess()})
                          </span>
                        </div>
                        {location && (
                          <>
                            <div className="font-medium">{t("where")}</div>
                            <div className="col-span-2">{location}</div>
                          </>
                        )}
                      </div>
                    </div>
                  </div>
                  {!needsConfirmation && (
                    <div className="flex pt-2 pb-4 mt-5 text-center border-b dark:border-gray-900 sm:mt-0 sm:pt-4">
                      <span className="flex self-center mr-2 font-medium text-gray-700 dark:text-gray-50">
                        {t("add_to_calendar")}
                      </span>
                      <div className="flex justify-center flex-grow text-center">
                        <Link
                          href={
                            `https://calendar.google.com/calendar/r/eventedit?dates=${date
                              .utc()
                              .format("YYYYMMDDTHHmmss[Z]")}/${date
                              .add(props.eventType.length, "minute")
                              .utc()
                              .format("YYYYMMDDTHHmmss[Z]")}&text=${eventName}&details=${
                              props.eventType.description
                            }` + (typeof location === "string" ? encodeURIComponent(location) : "")
                          }>
                          <a className="w-10 h-10 px-3 py-2 mx-2 border rounded-sm border-neutral-200 dark:border-neutral-700 dark:text-white">
                            <svg
                              className="inline-block w-4 h-4 -mt-1"
                              fill="currentColor"
                              xmlns="http://www.w3.org/2000/svg"
                              viewBox="0 0 24 24">
                              <title>Google</title>
                              <path d="M12.48 10.92v3.28h7.84c-.24 1.84-.853 3.187-1.787 4.133-1.147 1.147-2.933 2.4-6.053 2.4-4.827 0-8.6-3.893-8.6-8.72s3.773-8.72 8.6-8.72c2.6 0 4.507 1.027 5.907 2.347l2.307-2.307C18.747 1.44 16.133 0 12.48 0 5.867 0 .307 5.387.307 12s5.56 12 12.173 12c3.573 0 6.267-1.173 8.373-3.36 2.16-2.16 2.84-5.213 2.84-7.667 0-.76-.053-1.467-.173-2.053H12.48z" />
                            </svg>
                          </a>
                        </Link>
                        <Link
                          href={
                            encodeURI(
                              "https://outlook.live.com/calendar/0/deeplink/compose?body=" +
                                props.eventType.description +
                                "&enddt=" +
                                date.add(props.eventType.length, "minute").utc().format() +
                                "&path=%2Fcalendar%2Faction%2Fcompose&rru=addevent&startdt=" +
                                date.utc().format() +
                                "&subject=" +
                                eventName
                            ) + (location ? "&location=" + location : "")
                          }>
                          <a
                            className="w-10 h-10 px-3 py-2 mx-2 border rounded-sm border-neutral-200 dark:border-neutral-700 dark:text-white"
                            target="_blank">
                            <svg
                              className="inline-block w-4 h-4 mr-1 -mt-1"
                              fill="currentColor"
                              xmlns="http://www.w3.org/2000/svg"
                              viewBox="0 0 24 24">
                              <title>Microsoft Outlook</title>
                              <path d="M7.88 12.04q0 .45-.11.87-.1.41-.33.74-.22.33-.58.52-.37.2-.87.2t-.85-.2q-.35-.21-.57-.55-.22-.33-.33-.75-.1-.42-.1-.86t.1-.87q.1-.43.34-.76.22-.34.59-.54.36-.2.87-.2t.86.2q.35.21.57.55.22.34.31.77.1.43.1.88zM24 12v9.38q0 .46-.33.8-.33.32-.8.32H7.13q-.46 0-.8-.33-.32-.33-.32-.8V18H1q-.41 0-.7-.3-.3-.29-.3-.7V7q0-.41.3-.7Q.58 6 1 6h6.5V2.55q0-.44.3-.75.3-.3.75-.3h12.9q.44 0 .75.3.3.3.3.75V10.85l1.24.72h.01q.1.07.18.18.07.12.07.25zm-6-8.25v3h3v-3zm0 4.5v3h3v-3zm0 4.5v1.83l3.05-1.83zm-5.25-9v3h3.75v-3zm0 4.5v3h3.75v-3zm0 4.5v2.03l2.41 1.5 1.34-.8v-2.73zM9 3.75V6h2l.13.01.12.04v-2.3zM5.98 15.98q.9 0 1.6-.3.7-.32 1.19-.86.48-.55.73-1.28.25-.74.25-1.61 0-.83-.25-1.55-.24-.71-.71-1.24t-1.15-.83q-.68-.3-1.55-.3-.92 0-1.64.3-.71.3-1.2.85-.5.54-.75 1.3-.25.74-.25 1.63 0 .85.26 1.56.26.72.74 1.23.48.52 1.17.81.69.3 1.56.3zM7.5 21h12.39L12 16.08V17q0 .41-.3.7-.29.3-.7.3H7.5zm15-.13v-7.24l-5.9 3.54Z" />
                            </svg>
                          </a>
                        </Link>
                        <Link
                          href={
                            encodeURI(
                              "https://outlook.office.com/calendar/0/deeplink/compose?body=" +
                                props.eventType.description +
                                "&enddt=" +
                                date.add(props.eventType.length, "minute").utc().format() +
                                "&path=%2Fcalendar%2Faction%2Fcompose&rru=addevent&startdt=" +
                                date.utc().format() +
                                "&subject=" +
                                eventName
                            ) + (location ? "&location=" + location : "")
                          }>
                          <a
                            className="w-10 h-10 px-3 py-2 mx-2 border rounded-sm border-neutral-200 dark:border-neutral-700 dark:text-white"
                            target="_blank">
                            <svg
                              className="inline-block w-4 h-4 mr-1 -mt-1"
                              fill="currentColor"
                              xmlns="http://www.w3.org/2000/svg"
                              viewBox="0 0 24 24">
                              <title>Microsoft Office</title>
                              <path d="M21.53 4.306v15.363q0 .807-.472 1.433-.472.627-1.253.85l-6.888 1.974q-.136.037-.29.055-.156.019-.293.019-.396 0-.72-.105-.321-.106-.656-.292l-4.505-2.544q-.248-.137-.391-.366-.143-.23-.143-.515 0-.434.304-.738.304-.305.739-.305h5.831V4.964l-4.38 1.563q-.533.187-.856.658-.322.472-.322 1.03v8.078q0 .496-.248.912-.25.416-.683.651l-2.072 1.13q-.286.148-.571.148-.497 0-.844-.347-.348-.347-.348-.844V6.563q0-.62.33-1.19.328-.571.874-.881L11.07.285q.248-.136.534-.21.285-.075.57-.075.211 0 .38.031.166.031.364.093l6.888 1.899q.384.11.7.329.317.217.547.52.23.305.353.67.125.367.125.764zm-1.588 15.363V4.306q0-.273-.16-.478-.163-.204-.423-.28l-3.388-.93q-.397-.111-.794-.23-.397-.117-.794-.216v19.68l4.976-1.427q.26-.074.422-.28.161-.204.161-.477z" />
                            </svg>
                          </a>
                        </Link>
                        <Link href={"data:text/calendar," + eventLink()}>
                          <a
                            className="w-10 h-10 px-3 py-2 mx-2 border rounded-sm border-neutral-200 dark:border-neutral-700 dark:text-white"
                            download={props.eventType.title + ".ics"}>
                            <svg
                              version="1.1"
                              fill="currentColor"
                              xmlns="http://www.w3.org/2000/svg"
                              viewBox="0 0 1000 1000"
                              className="inline-block w-4 h-4 mr-1 -mt-1">
                              <title>{t("other")}</title>
                              <path d="M971.3,154.9c0-34.7-28.2-62.9-62.9-62.9H611.7c-1.3,0-2.6,0.1-3.9,0.2V10L28.7,87.3v823.4L607.8,990v-84.6c1.3,0.1,2.6,0.2,3.9,0.2h296.7c34.7,0,62.9-28.2,62.9-62.9V154.9z M607.8,636.1h44.6v-50.6h-44.6v-21.9h44.6v-50.6h-44.6v-92h277.9v230.2c0,3.8-3.1,7-7,7H607.8V636.1z M117.9,644.7l-50.6-2.4V397.5l50.6-2.2V644.7z M288.6,607.3c17.6,0.6,37.3-2.8,49.1-7.2l9.1,48c-11,5.1-35.6,9.9-66.9,8.3c-85.4-4.3-127.5-60.7-127.5-132.6c0-86.2,57.8-136.7,133.2-140.1c30.3-1.3,53.7,4,64.3,9.2l-12.2,48.9c-12.1-4.9-28.8-9.2-49.5-8.6c-45.3,1.2-79.5,30.1-79.5,87.4C208.8,572.2,237.8,605.7,288.6,607.3z M455.5,665.2c-32.4-1.6-63.7-11.3-79.1-20.5l12.6-50.7c16.8,9.1,42.9,18.5,70.4,19.4c30.1,1,46.3-10.7,46.3-29.3c0-17.8-14-28.1-48.8-40.6c-46.9-16.4-76.8-41.7-76.8-81.5c0-46.6,39.3-84.1,106.8-87.1c33.3-1.5,58.3,4.2,76.5,11.2l-15.4,53.3c-12.1-5.3-33.5-12.8-62.3-12c-28.3,0.8-41.9,13.6-41.9,28.1c0,17.8,16.1,25.5,53.6,39c52.9,18.5,78.4,45.3,78.4,86.4C575.6,629.7,536.2,669.2,455.5,665.2z M935.3,842.7c0,14.9-12.1,27-27,27H611.7c-1.3,0-2.6-0.2-3.9-0.4V686.2h270.9c19.2,0,34.9-15.6,34.9-34.9V398.4c0-19.2-15.6-34.9-34.9-34.9h-47.1v-32.3H808v32.3h-44.8v-32.3h-22.7v32.3h-43.3v-32.3h-22.7v32.3H628v-32.3h-20.2v-203c1.31.2,2.6-0.4,3.9-0.4h296.7c14.9,0,27,12.1,27,27L935.3,842.7L935.3,842.7z" />
                            </svg>
                          </a>
                        </Link>
                      </div>
                    </div>
                  )}
                  {!props.hideBranding && (
                    <div className="pt-4 text-xs text-center text-gray-400 dark:border-gray-900 dark:text-white">
                      <a href="https://cal.com/signup">{t("create_booking_link_with_calcom")}</a>

                      <form
                        onSubmit={(e) => {
                          e.preventDefault();
                          router.push(`https://cal.com/signup?email=` + (e as any).target.email.value);
                        }}
                        className="flex mt-4">
                        <EmailInput
                          name="email"
                          id="email"
                          defaultValue={router.query.email}
                          className="block w-full text-gray-600 border-gray-300 shadow-sm dark:bg-brand dark:text-brandcontrast dark:border-gray-900 focus:ring-black focus:border-brand sm:text-sm"
                          placeholder="rick.astley@cal.com"
                        />
                        <Button type="submit" className="min-w-max" color="primary">
                          {t("try_for_free")}
                        </Button>
                      </form>
                    </div>
                  )}
                </div>
              </div>
            </div>
          </div>
        </main>
      </div>
    )) ||
    null
  );
}

export async function getServerSideProps(context: GetServerSidePropsContext) {
  const ssr = await ssrInit(context);
  const typeId = parseInt(asStringOrNull(context.query.type) ?? "");

  if (isNaN(typeId)) {
    return {
      notFound: true,
    };
  }

  const eventType = await prisma.eventType.findUnique({
    where: {
      id: typeId,
    },
    select: {
      id: true,
      title: true,
      description: true,
      length: true,
      eventName: true,
      requiresConfirmation: true,
      userId: true,
      users: {
        select: {
          name: true,
          hideBranding: true,
          plan: true,
          theme: true,
          brandColor: true,
        },
      },
      team: {
        select: {
          name: true,
          hideBranding: true,
        },
      },
    },
  });

  if (!eventType) {
    return {
      notFound: true,
    };
  }
  if (!eventType.users.length && eventType.userId) {
    // TODO we should add `user User` relation on `EventType` so this extra query isn't needed
    const user = await prisma.user.findUnique({
      where: {
        id: eventType.userId,
      },
      select: {
        name: true,
        hideBranding: true,
        plan: true,
        theme: true,
        brandColor: true,
      },
    });
    if (user) {
      eventType.users.push(user);
    }
  }

  if (!eventType.users.length) {
    return {
      notFound: true,
    };
  }

  const profile = {
    name: eventType.team?.name || eventType.users[0]?.name || null,
    theme: (!eventType.team?.name && eventType.users[0]?.theme) || null,
    brandColor: eventType.team ? null : eventType.users[0].brandColor,
  };

  return {
    props: {
      hideBranding: eventType.team ? eventType.team.hideBranding : isBrandingHidden(eventType.users[0]),
      profile,
      eventType,
      trpcState: ssr.dehydrate(),
    },
  };
}