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';

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}}',
});

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();
  };

  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(45, 55, 72, 0.47) 0%, #1A202E 100%), url(//image.tmdb.org/t/p/w1920_and_h800_multi_faces/${data.backdropPath})`,
      }}
    >
      <RequestModal
        tmdbId={data.id}
        show={showRequestModal}
        type="tv"
        onComplete={() => {
          revalidate();
          setShowRequestModal(false);
        }}
        onCancel={() => setShowRequestModal(false)}
      />
      <SlideOver
        show={showManager}
        title="Manage Series"
        onClose={() => setShowManager(false)}
        subText={data.name}
      >
        <h3 className="text-xl mb-2">Requests</h3>
        <div className="bg-cool-gray-600 shadow overflow-hidden rounded-md">
          <ul>
            {data.mediaInfo?.requests?.map((request) => (
              <li
                key={`manage-request-${request.id}`}
                className="border-b last:border-b-0 border-cool-gray-700"
              >
                <RequestBlock request={request} onUpdate={() => revalidate()} />
              </li>
            ))}
            {(data.mediaInfo?.requests ?? []).length === 0 && (
              <li className="text-center py-4 text-cool-gray-400">
                No requests
              </li>
            )}
          </ul>
        </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 md:mb-0">
            {data.mediaInfo?.status === MediaStatus.AVAILABLE && (
              <Badge badgeType="success">Available</Badge>
            )}
            {data.mediaInfo?.status === MediaStatus.PARTIALLY_AVAILABLE && (
              <Badge badgeType="success">Partially Available</Badge>
            )}
            {data.mediaInfo?.status === MediaStatus.PROCESSING && (
              <Badge badgeType="danger">Unavailable</Badge>
            )}
            {data.mediaInfo?.status === MediaStatus.PENDING && (
              <Badge badgeType="warning">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-cool-gray-900 rounded-lg shadow border border-cool-gray-800">
            {(data.voteCount > 0 || ratingData) && (
              <div className="flex px-4 py-2 border-b border-cool-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-cool-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-cool-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-cool-gray-400 text-sm">
                      {data.voteAverage}/10
                    </span>
                  </>
                )}
              </div>
            )}
            <div className="flex px-4 py-2 border-b border-cool-gray-800 last:border-b-0">
              <span className="text-sm">
                <FormattedMessage {...messages.status} />
              </span>
              <span className="flex-1 text-right text-cool-gray-400 text-sm">
                {data.status}
              </span>
            </div>
            <div className="flex px-4 py-2 border-b border-cool-gray-800 last:border-b-0">
              <span className="text-sm">
                <FormattedMessage {...messages.originallanguage} />
              </span>
              <span className="flex-1 text-right text-cool-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-cool-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={!data && !error}
        isEmpty={false}
        items={data?.credits.cast.slice(0, 20).map((person) => (
          <PersonCard
            key={`cast-item-${person.id}`}
            name={person.name}
            subName={person.character}
            profilePath={person.profilePath}
          />
        ))}
      />
      <div className="md:flex md:items-center md:justify-between mb-4 mt-6">
        <div className="flex-1 min-w-0">
          <Link
            href="/tv/[tvId]/recommendations"
            as={`/tv/${data.id}/recommendations`}
          >
            <a className="inline-flex text-xl leading-7 text-cool-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-${title.id}`}
            id={title.id}
            image={title.posterPath}
            status={title.mediaInfo?.status}
            summary={title.overview}
            title={title.name}
            userScore={title.voteAverage}
            year={title.firstAirDate}
            mediaType={title.mediaType}
          />
        ))}
      />
      <div className="md:flex md:items-center md:justify-between mb-4 mt-6">
        <div className="flex-1 min-w-0">
          <Link href="/tv/[tvId]/similar" as={`/tv/${data.id}/similar`}>
            <a className="inline-flex text-xl leading-7 text-cool-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;