import React, { useState, useContext } from 'react';
import { FormattedMessage, defineMessages, useIntl } from 'react-intl';
import useSWR from 'swr';
import { useRouter } from 'next/router';
import Button from '../Common/Button';
import type { TvResult } from '../../../server/models/Search';
import Link from 'next/link';
import Slider from '../Slider';
import TitleCard from '../TitleCard';
import PersonCard from '../PersonCard';
import { LanguageContext } from '../../context/LanguageContext';
import LoadingSpinner from '../Common/LoadingSpinner';
import { useUser, Permission } from '../../hooks/useUser';
import { TvDetails as TvDetailsType } from '../../../server/models/Tv';
import { MediaStatus } from '../../../server/constants/media';
import RequestModal from '../RequestModal';
import Badge from '../Common/Badge';
import ButtonWithDropdown from '../Common/ButtonWithDropdown';
import axios from 'axios';
import SlideOver from '../Common/SlideOver';
import RequestBlock from '../RequestBlock';
import Error from '../../pages/_error';
import TmdbLogo from '../../assets/tmdb_logo.svg';
import RTFresh from '../../assets/rt_fresh.svg';
import RTRotten from '../../assets/rt_rotten.svg';
import RTAudFresh from '../../assets/rt_aud_fresh.svg';
import RTAudRotten from '../../assets/rt_aud_rotten.svg';
import type { RTRating } from '../../../server/api/rottentomatoes';
import Head from 'next/head';
import globalMessages from '../../i18n/globalMessages';

const messages = defineMessages({
  userrating: 'User Rating',
  status: 'Status',
  originallanguage: 'Original Language',
  overview: 'Overview',
  cast: 'Cast',
  recommendations: 'Recommendations',
  similar: 'Similar Series',
  cancelrequest: 'Cancel Request',
  available: 'Available',
  unavailable: 'Unavailable',
  request: 'Request',
  requestmore: 'Request More',
  pending: 'Pending',
  overviewunavailable: 'Overview unavailable',
  approverequests:
    'Approve {requestCount} {requestCount, plural, one {Request} other {Requests}}',
  declinerequests:
    'Decline {requestCount} {requestCount, plural, one {Request} other {Requests}}',
  manageModalTitle: 'Manage Series',
  manageModalRequests: 'Requests',
  manageModalNoRequests: 'No Requests',
  manageModalClearMedia: 'Clear All Media Data',
  manageModalClearMediaWarning:
    'This will remove all media data including all requests for this item. This action is irreversible. If this item exists in your Plex library, the media information will be recreated next sync.',
  approve: 'Approve',
  decline: 'Decline',
});

interface TvDetailsProps {
  tv?: TvDetailsType;
}

interface SearchResult {
  page: number;
  totalResults: number;
  totalPages: number;
  results: TvResult[];
}

enum MediaRequestStatus {
  PENDING = 1,
  APPROVED,
  DECLINED,
  AVAILABLE,
}

const TvDetails: React.FC<TvDetailsProps> = ({ tv }) => {
  const { hasPermission } = useUser();
  const router = useRouter();
  const intl = useIntl();
  const { locale } = useContext(LanguageContext);
  const [showRequestModal, setShowRequestModal] = useState(false);
  const [showManager, setShowManager] = useState(false);
  const { data, error, revalidate } = useSWR<TvDetailsType>(
    `/api/v1/tv/${router.query.tvId}?language=${locale}`,
    {
      initialData: tv,
    }
  );
  const { data: recommended, error: recommendedError } = useSWR<SearchResult>(
    `/api/v1/tv/${router.query.tvId}/recommendations?language=${locale}`
  );
  const { data: similar, error: similarError } = useSWR<SearchResult>(
    `/api/v1/tv/${router.query.tvId}/similar?language=${locale}`
  );

  const { data: ratingData } = useSWR<RTRating>(
    `/api/v1/tv/${router.query.tvId}/ratings`
  );

  if (!data && !error) {
    return <LoadingSpinner />;
  }

  if (!data) {
    return <Error statusCode={404} />;
  }

  const activeRequests = data.mediaInfo?.requests?.filter(
    (request) => request.status === MediaRequestStatus.PENDING
  );

  const modifyRequests = async (type: 'approve' | 'decline'): Promise<void> => {
    if (!activeRequests) {
      return;
    }

    await Promise.all(
      activeRequests.map(async (request) => {
        return axios.get(`/api/v1/request/${request.id}/${type}`);
      })
    );

    revalidate();
  };

  const deleteMedia = async () => {
    if (data?.mediaInfo?.id) {
      await axios.delete(`/api/v1/media/${data?.mediaInfo?.id}`);
      revalidate();
    }
  };

  return (
    <div
      className="bg-cover bg-center -mx-4 -mt-2 px-4 sm:px-8 pt-4 "
      style={{
        height: 493,
        backgroundImage: `linear-gradient(180deg, rgba(17, 24, 39, 0.47) 0%, rgba(17, 24, 39, 1) 100%), url(//image.tmdb.org/t/p/w1920_and_h800_multi_faces/${data.backdropPath})`,
      }}
    >
      <Head>
        <title>{data.name} - Overseerr</title>
      </Head>
      <RequestModal
        tmdbId={data.id}
        show={showRequestModal}
        type="tv"
        onComplete={() => {
          revalidate();
          setShowRequestModal(false);
        }}
        onCancel={() => setShowRequestModal(false)}
      />
      <SlideOver
        show={showManager}
        title={intl.formatMessage(messages.manageModalTitle)}
        onClose={() => setShowManager(false)}
        subText={data.name}
      >
        <h3 className="text-xl mb-2">
          {intl.formatMessage(messages.manageModalRequests)}
        </h3>
        <div className="bg-gray-600 shadow overflow-hidden rounded-md">
          <ul>
            {data.mediaInfo?.requests?.map((request) => (
              <li
                key={`manage-request-${request.id}`}
                className="border-b last:border-b-0 border-gray-700"
              >
                <RequestBlock request={request} onUpdate={() => revalidate()} />
              </li>
            ))}
            {(data.mediaInfo?.requests ?? []).length === 0 && (
              <li className="text-center py-4 text-gray-400">
                {intl.formatMessage(messages.manageModalNoRequests)}
              </li>
            )}
          </ul>
        </div>
        {data?.mediaInfo && (
          <div className="mt-8">
            <Button
              buttonType="danger"
              className="w-full text-center"
              onClick={() => deleteMedia()}
            >
              {intl.formatMessage(messages.manageModalClearMedia)}
            </Button>
            <div className="text-sm text-gray-400 mt-2">
              {intl.formatMessage(messages.manageModalClearMediaWarning)}
            </div>
          </div>
        )}
      </SlideOver>
      <div className="flex flex-col items-center md:flex-row md:items-end pt-4">
        <div className="mr-4 flex-shrink-0">
          <img
            src={`//image.tmdb.org/t/p/w600_and_h900_bestv2${data.posterPath}`}
            alt=""
            className="rounded md:rounded-lg shadow md:shadow-2xl w-32 md:w-52"
          />
        </div>
        <div className="text-white flex flex-col mr-4 mt-4 md:mt-0 text-center md:text-left">
          <div className="mb-2">
            {data.mediaInfo?.status === MediaStatus.AVAILABLE && (
              <Badge badgeType="success">
                {intl.formatMessage(globalMessages.available)}
              </Badge>
            )}
            {data.mediaInfo?.status === MediaStatus.PARTIALLY_AVAILABLE && (
              <Badge badgeType="success">
                {intl.formatMessage(globalMessages.partiallyavailable)}
              </Badge>
            )}
            {data.mediaInfo?.status === MediaStatus.PROCESSING && (
              <Badge badgeType="danger">
                {intl.formatMessage(globalMessages.unavailable)}
              </Badge>
            )}
            {data.mediaInfo?.status === MediaStatus.PENDING && (
              <Badge badgeType="warning">
                {intl.formatMessage(globalMessages.pending)}
              </Badge>
            )}
          </div>
          <h1 className="text-2xl md:text-4xl">
            {data.name}{' '}
            <span className="text-2xl">({data.firstAirDate.slice(0, 4)})</span>
          </h1>
          <span className="text-xs md:text-base mt-1 md:mt-0">
            {data.genres.map((g) => g.name).join(', ')}
          </span>
        </div>
        <div className="flex-1 flex justify-end mt-4 md:mt-0">
          {(!data.mediaInfo ||
            data.mediaInfo.status === MediaStatus.UNKNOWN) && (
            <Button
              buttonType="primary"
              onClick={() => setShowRequestModal(true)}
            >
              <svg
                className="w-4 mr-1"
                fill="none"
                stroke="currentColor"
                viewBox="0 0 24 24"
                xmlns="http://www.w3.org/2000/svg"
              >
                <path
                  strokeLinecap="round"
                  strokeLinejoin="round"
                  strokeWidth={2}
                  d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4"
                />
              </svg>
              <FormattedMessage {...messages.request} />
            </Button>
          )}
          {data.mediaInfo && data.mediaInfo.status !== MediaStatus.UNKNOWN && (
            <ButtonWithDropdown
              dropdownIcon={
                <svg
                  className="w-5 h-5"
                  fill="currentColor"
                  viewBox="0 0 20 20"
                  xmlns="http://www.w3.org/2000/svg"
                >
                  <path
                    fillRule="evenodd"
                    d="M11.3 1.046A1 1 0 0112 2v5h4a1 1 0 01.82 1.573l-7 10A1 1 0 018 18v-5H4a1 1 0 01-.82-1.573l7-10a1 1 0 011.12-.38z"
                    clipRule="evenodd"
                  />
                </svg>
              }
              text={
                <>
                  <svg
                    className="w-4 mr-1"
                    fill="currentColor"
                    viewBox="0 0 20 20"
                    xmlns="http://www.w3.org/2000/svg"
                  >
                    <path
                      fillRule="evenodd"
                      d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7-4a1 1 0 11-2 0 1 1 0 012 0zM9 9a1 1 0 000 2v3a1 1 0 001 1h1a1 1 0 100-2v-3a1 1 0 00-1-1H9z"
                      clipRule="evenodd"
                    />
                  </svg>
                  <FormattedMessage {...messages.requestmore} />
                </>
              }
              onClick={() => setShowRequestModal(true)}
            >
              {hasPermission(Permission.MANAGE_REQUESTS) &&
                activeRequests &&
                activeRequests.length > 0 && (
                  <>
                    <ButtonWithDropdown.Item
                      onClick={() => modifyRequests('approve')}
                    >
                      <svg
                        className="w-4 mr-1"
                        fill="currentColor"
                        viewBox="0 0 20 20"
                        xmlns="http://www.w3.org/2000/svg"
                      >
                        <path
                          fillRule="evenodd"
                          d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z"
                          clipRule="evenodd"
                        />
                      </svg>
                      <FormattedMessage
                        {...messages.approverequests}
                        values={{ requestCount: activeRequests.length }}
                      />
                    </ButtonWithDropdown.Item>
                    <ButtonWithDropdown.Item
                      onClick={() => modifyRequests('decline')}
                    >
                      <svg
                        className="w-4 mr-1"
                        fill="currentColor"
                        viewBox="0 0 20 20"
                        xmlns="http://www.w3.org/2000/svg"
                      >
                        <path
                          fillRule="evenodd"
                          d="M4.293 4.293a1 1 0 011.414 0L10 8.586l4.293-4.293a1 1 0 111.414 1.414L11.414 10l4.293 4.293a1 1 0 01-1.414 1.414L10 11.414l-4.293 4.293a1 1 0 01-1.414-1.414L8.586 10 4.293 5.707a1 1 0 010-1.414z"
                          clipRule="evenodd"
                        />
                      </svg>
                      <FormattedMessage
                        {...messages.declinerequests}
                        values={{ requestCount: activeRequests.length }}
                      />
                    </ButtonWithDropdown.Item>
                  </>
                )}
            </ButtonWithDropdown>
          )}
          {hasPermission(Permission.MANAGE_REQUESTS) && (
            <Button
              buttonType="default"
              className="ml-2"
              onClick={() => setShowManager(true)}
            >
              <svg
                className="w-5"
                style={{ height: 20 }}
                fill="none"
                stroke="currentColor"
                viewBox="0 0 24 24"
                xmlns="http://www.w3.org/2000/svg"
              >
                <path
                  strokeLinecap="round"
                  strokeLinejoin="round"
                  strokeWidth={2}
                  d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z"
                />
                <path
                  strokeLinecap="round"
                  strokeLinejoin="round"
                  strokeWidth={2}
                  d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"
                />
              </svg>
            </Button>
          )}
        </div>
      </div>
      <div className="flex pt-8 text-white flex-col md:flex-row pb-4">
        <div className="flex-1 md:mr-8">
          <h2 className="text-xl md:text-2xl">
            <FormattedMessage {...messages.overview} />
          </h2>
          <p className="pt-2 text-sm md:text-base">
            {data.overview
              ? data.overview
              : intl.formatMessage(messages.overviewunavailable)}
          </p>
        </div>
        <div className="w-full md:w-80 mt-8 md:mt-0">
          <div className="bg-gray-900 rounded-lg shadow border border-gray-800">
            {(data.voteCount > 0 || ratingData) && (
              <div className="flex px-4 py-2 border-b border-gray-800 last:border-b-0 items-center justify-center">
                {ratingData?.criticsRating && (
                  <>
                    <span className="text-sm">
                      {ratingData.criticsRating === 'Rotten' ? (
                        <RTRotten className="w-6 mr-1" />
                      ) : (
                        <RTFresh className="w-6 mr-1" />
                      )}
                    </span>
                    <span className="text-gray-400 text-sm mr-4 last:mr-0">
                      {ratingData.criticsScore}%
                    </span>
                  </>
                )}
                {ratingData?.audienceRating && (
                  <>
                    <span className="text-sm">
                      {ratingData.audienceRating === 'Spilled' ? (
                        <RTAudRotten className="w-6 mr-1" />
                      ) : (
                        <RTAudFresh className="w-6 mr-1" />
                      )}
                    </span>
                    <span className="text-gray-400 text-sm mr-4 last:mr-0">
                      {ratingData.audienceScore}%
                    </span>
                  </>
                )}
                {data.voteCount > 0 && (
                  <>
                    <span className="text-sm">
                      <TmdbLogo className="w-6 mr-2" />
                    </span>
                    <span className="text-gray-400 text-sm">
                      {data.voteAverage}/10
                    </span>
                  </>
                )}
              </div>
            )}
            <div className="flex px-4 py-2 border-b border-gray-800 last:border-b-0">
              <span className="text-sm">
                <FormattedMessage {...messages.status} />
              </span>
              <span className="flex-1 text-right text-gray-400 text-sm">
                {data.status}
              </span>
            </div>
            <div className="flex px-4 py-2 border-b border-gray-800 last:border-b-0">
              <span className="text-sm">
                <FormattedMessage {...messages.originallanguage} />
              </span>
              <span className="flex-1 text-right text-gray-400 text-sm">
                {data.originalLanguage}
              </span>
            </div>
          </div>
        </div>
      </div>
      <div className="md:flex md:items-center md:justify-between mb-4 mt-6">
        <div className="flex-1 min-w-0">
          <Link href="/tv/[tvId]/cast" as={`/tv/${data.id}/cast`}>
            <a className="inline-flex text-xl leading-7 text-gray-300 hover:text-white sm:text-2xl sm:leading-9 sm:truncate items-center">
              <span>
                <FormattedMessage {...messages.cast} />
              </span>
              <svg
                className="w-6 h-6 ml-2"
                fill="none"
                stroke="currentColor"
                viewBox="0 0 24 24"
                xmlns="http://www.w3.org/2000/svg"
              >
                <path
                  strokeLinecap="round"
                  strokeLinejoin="round"
                  strokeWidth={2}
                  d="M13 9l3 3m0 0l-3 3m3-3H8m13 0a9 9 0 11-18 0 9 9 0 0118 0z"
                />
              </svg>
            </a>
          </Link>
        </div>
      </div>
      <Slider
        sliderKey="cast"
        isLoading={false}
        isEmpty={false}
        items={data?.credits.cast.slice(0, 20).map((person) => (
          <PersonCard
            key={`cast-item-${person.id}`}
            personId={person.id}
            name={person.name}
            subName={person.character}
            profilePath={person.profilePath}
          />
        ))}
      />
      {(recommended?.results ?? []).length > 0 && (
        <>
          <div className="md:flex md:items-center md:justify-between mb-4 mt-6">
            <div className="flex-1 min-w-0">
              <Link
                href="/tv/[tvId]/recommendations"
                as={`/tv/${data.id}/recommendations`}
              >
                <a className="inline-flex text-xl leading-7 text-gray-300 hover:text-white sm:text-2xl sm:leading-9 sm:truncate items-center">
                  <span>
                    <FormattedMessage {...messages.recommendations} />
                  </span>
                  <svg
                    className="w-6 h-6 ml-2"
                    fill="none"
                    stroke="currentColor"
                    viewBox="0 0 24 24"
                    xmlns="http://www.w3.org/2000/svg"
                  >
                    <path
                      strokeLinecap="round"
                      strokeLinejoin="round"
                      strokeWidth={2}
                      d="M13 9l3 3m0 0l-3 3m3-3H8m13 0a9 9 0 11-18 0 9 9 0 0118 0z"
                    />
                  </svg>
                </a>
              </Link>
            </div>
          </div>
          <Slider
            sliderKey="recommendations"
            isLoading={!recommended && !recommendedError}
            isEmpty={false}
            items={recommended?.results.map((title) => (
              <TitleCard
                key={`recommended-${title.id}`}
                id={title.id}
                image={title.posterPath}
                status={title.mediaInfo?.status}
                summary={title.overview}
                title={title.name}
                userScore={title.voteAverage}
                year={title.firstAirDate}
                mediaType={title.mediaType}
              />
            ))}
          />
        </>
      )}
      {(similar?.results ?? []).length > 0 && (
        <>
          <div className="md:flex md:items-center md:justify-between mb-4 mt-6">
            <div className="flex-1 min-w-0">
              <Link href="/tv/[tvId]/similar" as={`/tv/${data.id}/similar`}>
                <a className="inline-flex text-xl leading-7 text-gray-300 hover:text-white sm:text-2xl sm:leading-9 sm:truncate items-center">
                  <span>
                    <FormattedMessage {...messages.similar} />
                  </span>
                  <svg
                    className="w-6 h-6 ml-2"
                    fill="none"
                    stroke="currentColor"
                    viewBox="0 0 24 24"
                    xmlns="http://www.w3.org/2000/svg"
                  >
                    <path
                      strokeLinecap="round"
                      strokeLinejoin="round"
                      strokeWidth={2}
                      d="M13 9l3 3m0 0l-3 3m3-3H8m13 0a9 9 0 11-18 0 9 9 0 0118 0z"
                    />
                  </svg>
                </a>
              </Link>
            </div>
          </div>
          <Slider
            sliderKey="similar"
            isLoading={!similar && !similarError}
            isEmpty={false}
            items={similar?.results.map((title) => (
              <TitleCard
                key={`recommended-${title.id}`}
                id={title.id}
                image={title.posterPath}
                status={title.mediaInfo?.status}
                summary={title.overview}
                title={title.name}
                userScore={title.voteAverage}
                year={title.firstAirDate}
                mediaType={title.mediaType}
              />
            ))}
          />
        </>
      )}
      <div className="pb-8" />
    </div>
  );
};

export default TvDetails;
