import CachedImage from '@app/components/Common/CachedImage';
import { SmallLoadingSpinner } from '@app/components/Common/LoadingSpinner';
import Tooltip from '@app/components/Common/Tooltip';
import RegionSelector from '@app/components/RegionSelector';
import { encodeURIExtraParams } from '@app/hooks/useDiscover';
import useSettings from '@app/hooks/useSettings';
import { ArrowDownIcon, ArrowUpIcon } from '@heroicons/react/20/solid';
import { CheckCircleIcon } from '@heroicons/react/24/solid';
import type {
  TmdbCompanySearchResponse,
  TmdbGenre,
  TmdbKeywordSearchResponse,
} from '@server/api/themoviedb/interfaces';
import type { GenreSliderItem } from '@server/interfaces/api/discoverInterfaces';
import type {
  Keyword,
  ProductionCompany,
  WatchProviderDetails,
} from '@server/models/common';
import axios from 'axios';
import { orderBy } from 'lodash';
import { useEffect, useMemo, useState } from 'react';
import { defineMessages, useIntl } from 'react-intl';
import type { MultiValue, SingleValue } from 'react-select';
import AsyncSelect from 'react-select/async';
import useSWR from 'swr';

const messages = defineMessages({
  searchKeywords: 'Search keywords…',
  searchGenres: 'Select genres…',
  searchStudios: 'Search studios…',
  starttyping: 'Starting typing to search.',
  nooptions: 'No results.',
  showmore: 'Show More',
  showless: 'Show Less',
});

type SingleVal = {
  label: string;
  value: number;
};

type BaseSelectorMultiProps = {
  defaultValue?: string;
  isMulti: true;
  onChange: (value: MultiValue<SingleVal> | null) => void;
};

type BaseSelectorSingleProps = {
  defaultValue?: string;
  isMulti?: false;
  onChange: (value: SingleValue<SingleVal> | null) => void;
};

export const CompanySelector = ({
  defaultValue,
  isMulti,
  onChange,
}: BaseSelectorSingleProps | BaseSelectorMultiProps) => {
  const intl = useIntl();
  const [defaultDataValue, setDefaultDataValue] = useState<
    { label: string; value: number }[] | null
  >(null);

  useEffect(() => {
    const loadDefaultCompany = async (): Promise<void> => {
      if (!defaultValue) {
        return;
      }

      const response = await axios.get<ProductionCompany>(
        `/api/v1/studio/${defaultValue}`
      );

      const studio = response.data;

      setDefaultDataValue([
        {
          label: studio.name ?? '',
          value: studio.id ?? 0,
        },
      ]);
    };

    loadDefaultCompany();
  }, [defaultValue]);

  const loadCompanyOptions = async (inputValue: string) => {
    if (inputValue === '') {
      return [];
    }

    const results = await axios.get<TmdbCompanySearchResponse>(
      '/api/v1/search/company',
      {
        params: {
          query: encodeURIExtraParams(inputValue),
        },
      }
    );

    return results.data.results.map((result) => ({
      label: result.name,
      value: result.id,
    }));
  };

  return (
    <AsyncSelect
      key={`company-selector-${defaultDataValue}`}
      className="react-select-container"
      classNamePrefix="react-select"
      isMulti={isMulti}
      defaultValue={defaultDataValue}
      defaultOptions
      cacheOptions
      isClearable
      noOptionsMessage={({ inputValue }) =>
        inputValue === ''
          ? intl.formatMessage(messages.starttyping)
          : intl.formatMessage(messages.nooptions)
      }
      loadOptions={loadCompanyOptions}
      placeholder={intl.formatMessage(messages.searchStudios)}
      onChange={(value) => {
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        onChange(value as any);
      }}
    />
  );
};

type GenreSelectorProps = (BaseSelectorMultiProps | BaseSelectorSingleProps) & {
  type: 'movie' | 'tv';
};

export const GenreSelector = ({
  isMulti,
  defaultValue,
  onChange,
  type,
}: GenreSelectorProps) => {
  const intl = useIntl();
  const [defaultDataValue, setDefaultDataValue] = useState<
    { label: string; value: number }[] | null
  >(null);

  useEffect(() => {
    const loadDefaultGenre = async (): Promise<void> => {
      if (!defaultValue) {
        return;
      }

      const genres = defaultValue.split(',');

      const response = await axios.get<TmdbGenre[]>(`/api/v1/genres/${type}`);

      const genreData = genres
        .filter((genre) => response.data.find((gd) => gd.id === Number(genre)))
        .map((g) => response.data.find((gd) => gd.id === Number(g)))
        .map((g) => ({
          label: g?.name ?? '',
          value: g?.id ?? 0,
        }));

      setDefaultDataValue(genreData);
    };

    loadDefaultGenre();
  }, [defaultValue, type]);

  const loadGenreOptions = async (inputValue: string) => {
    const results = await axios.get<GenreSliderItem[]>(
      `/api/v1/discover/genreslider/${type}`
    );

    return results.data
      .map((result) => ({
        label: result.name,
        value: result.id,
      }))
      .filter(({ label }) =>
        label.toLowerCase().includes(inputValue.toLowerCase())
      );
  };

  return (
    <AsyncSelect
      key={`genre-select-${defaultDataValue}`}
      className="react-select-container"
      classNamePrefix="react-select"
      defaultValue={isMulti ? defaultDataValue : defaultDataValue?.[0]}
      defaultOptions
      cacheOptions
      isMulti={isMulti}
      loadOptions={loadGenreOptions}
      placeholder={intl.formatMessage(messages.searchGenres)}
      onChange={(value) => {
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        onChange(value as any);
      }}
    />
  );
};

export const KeywordSelector = ({
  isMulti,
  defaultValue,
  onChange,
}: BaseSelectorMultiProps | BaseSelectorSingleProps) => {
  const intl = useIntl();
  const [defaultDataValue, setDefaultDataValue] = useState<
    { label: string; value: number }[] | null
  >(null);

  useEffect(() => {
    const loadDefaultKeywords = async (): Promise<void> => {
      if (!defaultValue) {
        return;
      }

      const keywords = await Promise.all(
        defaultValue.split(',').map(async (keywordId) => {
          const keyword = await axios.get<Keyword>(
            `/api/v1/keyword/${keywordId}`
          );

          return keyword.data;
        })
      );

      setDefaultDataValue(
        keywords.map((keyword) => ({
          label: keyword.name,
          value: keyword.id,
        }))
      );
    };

    loadDefaultKeywords();
  }, [defaultValue]);

  const loadKeywordOptions = async (inputValue: string) => {
    const results = await axios.get<TmdbKeywordSearchResponse>(
      '/api/v1/search/keyword',
      {
        params: {
          query: encodeURIExtraParams(inputValue),
        },
      }
    );

    return results.data.results.map((result) => ({
      label: result.name,
      value: result.id,
    }));
  };

  return (
    <AsyncSelect
      key={`keyword-select-${defaultDataValue}`}
      inputId="data"
      isMulti={isMulti}
      className="react-select-container"
      classNamePrefix="react-select"
      noOptionsMessage={({ inputValue }) =>
        inputValue === ''
          ? intl.formatMessage(messages.starttyping)
          : intl.formatMessage(messages.nooptions)
      }
      defaultValue={defaultDataValue}
      loadOptions={loadKeywordOptions}
      placeholder={intl.formatMessage(messages.searchKeywords)}
      onChange={(value) => {
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        onChange(value as any);
      }}
    />
  );
};

type WatchProviderSelectorProps = {
  type: 'movie' | 'tv';
  region?: string;
  activeProviders?: number[];
  onChange: (region: string, value: number[]) => void;
};

export const WatchProviderSelector = ({
  type,
  onChange,
  region,
  activeProviders,
}: WatchProviderSelectorProps) => {
  const intl = useIntl();
  const { currentSettings } = useSettings();
  const [showMore, setShowMore] = useState(false);
  const [watchRegion, setWatchRegion] = useState(
    region ? region : currentSettings.region ? currentSettings.region : 'US'
  );
  const [activeProvider, setActiveProvider] = useState<number[]>(
    activeProviders ?? []
  );
  const { data, isLoading } = useSWR<WatchProviderDetails[]>(
    `/api/v1/watchproviders/${
      type === 'movie' ? 'movies' : 'tv'
    }?watchRegion=${watchRegion}`
  );

  useEffect(() => {
    onChange(watchRegion, activeProvider);
    // removed onChange as a dependency as we only need to call it when the value(s) change
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [activeProvider, watchRegion]);

  const orderedData = useMemo(() => {
    if (!data) {
      return [];
    }

    return orderBy(data, ['display_priority'], ['asc']);
  }, [data]);

  const toggleProvider = (id: number) => {
    if (activeProvider.includes(id)) {
      setActiveProvider(activeProvider.filter((p) => p !== id));
    } else {
      setActiveProvider([...activeProvider, id]);
    }
  };

  const initialProviders = orderedData.slice(0, 24);
  const otherProviders = orderedData.slice(24);

  return (
    <>
      <RegionSelector
        value={watchRegion}
        name="watchRegion"
        onChange={(_name, value) => {
          if (value !== watchRegion) {
            setActiveProvider([]);
          }
          setWatchRegion(value);
        }}
        disableAll
        watchProviders
      />
      {isLoading ? (
        <SmallLoadingSpinner />
      ) : (
        <div className="grid">
          <div className="provider-icons grid gap-2">
            {initialProviders.map((provider) => {
              const isActive = activeProvider.includes(provider.id);
              return (
                <Tooltip
                  content={provider.name}
                  key={`prodiver-${provider.id}`}
                >
                  <div
                    className={`provider-container relative w-full cursor-pointer rounded-lg p-2 ring-1 ${
                      isActive
                        ? 'bg-gray-600 ring-indigo-500 hover:bg-gray-500'
                        : 'bg-gray-700 ring-gray-500 hover:bg-gray-600'
                    }`}
                    onClick={() => toggleProvider(provider.id)}
                    onKeyDown={(e) => {
                      if (e.key === 'Enter') {
                        toggleProvider(provider.id);
                      }
                    }}
                    role="button"
                    tabIndex={0}
                  >
                    <CachedImage
                      src={`https://image.tmdb.org/t/p/original${provider.logoPath}`}
                      alt=""
                      layout="responsive"
                      width="100%"
                      height="100%"
                      className="rounded-lg"
                    />
                    {isActive && (
                      <div className="pointer-events-none absolute -top-1 -left-1 flex items-center justify-center text-indigo-100 opacity-90">
                        <CheckCircleIcon className="h-6 w-6" />
                      </div>
                    )}
                  </div>
                </Tooltip>
              );
            })}
          </div>
          {showMore && otherProviders.length > 0 && (
            <div className="provider-icons relative top-2 grid gap-2">
              {otherProviders.map((provider) => {
                const isActive = activeProvider.includes(provider.id);
                return (
                  <Tooltip
                    content={provider.name}
                    key={`prodiver-${provider.id}`}
                  >
                    <div
                      className={`provider-container relative w-full cursor-pointer rounded-lg p-2 ring-1 transition ${
                        isActive
                          ? 'bg-gray-600 ring-indigo-500 hover:bg-gray-500'
                          : 'bg-gray-700 ring-gray-500 hover:bg-gray-600'
                      }`}
                      onClick={() => toggleProvider(provider.id)}
                      onKeyDown={(e) => {
                        if (e.key === 'Enter') {
                          toggleProvider(provider.id);
                        }
                      }}
                      role="button"
                      tabIndex={0}
                    >
                      <CachedImage
                        src={`https://image.tmdb.org/t/p/original${provider.logoPath}`}
                        alt=""
                        layout="responsive"
                        width="100%"
                        height="100%"
                        className="rounded-lg"
                      />
                      {isActive && (
                        <div className="pointer-events-none absolute -top-1 -left-1 flex items-center justify-center text-indigo-100 opacity-90">
                          <CheckCircleIcon className="h-6 w-6" />
                        </div>
                      )}
                    </div>
                  </Tooltip>
                );
              })}
            </div>
          )}
          {otherProviders.length > 0 && (
            <button
              className="relative top-4 flex items-center justify-center space-x-2 text-sm text-gray-400 transition hover:text-gray-200"
              type="button"
              onClick={() => setShowMore(!showMore)}
            >
              <div className="h-0.5 flex-1 bg-gray-600" />
              {showMore ? (
                <>
                  <ArrowUpIcon className="h-4 w-4" />
                  <span>{intl.formatMessage(messages.showless)}</span>
                  <ArrowUpIcon className="h-4 w-4" />
                </>
              ) : (
                <>
                  <ArrowDownIcon className="h-4 w-4" />
                  <span>{intl.formatMessage(messages.showmore)}</span>
                  <ArrowDownIcon className="h-4 w-4" />
                </>
              )}
              <div className="h-0.5 flex-1 bg-gray-600" />
            </button>
          )}
        </div>
      )}
    </>
  );
};