const cheerio = require('cheerio');
const dayjs = require('dayjs');
const fetchApi = require('@libs/fetchApi');
const fetchFile = require('@libs/fetchFile');
const languages = require('@libs/languages');
const Status = require('@libs/novelStatus');
const FilterInputs = require('@libs/filterInputs');
const defaultCoverUri =
    'https://github.com/LNReader/lnreader-sources/blob/main/icons/src/coverNotAvailable.jpg?raw=true';


const pluginId = "RNRF";
const sourceName = 'РанобэРФ';

const baseUrl = 'https://ранобэ.рф';

async function popularNovels  (page, { showLatestNovels, filters }) {
  let url = baseUrl + '/books?order=';
  url += filters?.sort ? filters?.sort : (showLatestNovels ? 'lastPublishedChapter' : 'popular');
  url += '&page=' + page;

  const result = await fetchApi(url);
  const body = await result.text();

  const loadedCheerio = cheerio.load(body);
  let json = loadedCheerio('#__NEXT_DATA__').html();
  json = JSON.parse(json);
  let novels = [];

  json.props.pageProps.totalData.items.forEach(item => {
    const novelName = item.title;
    const novelUrl = baseUrl + '/' + item.slug;
    const novelCover = item?.verticalImage?.url
      ? baseUrl + item.verticalImage.url
      : defaultCoverUri;
    novels.push({ name: novelName, cover: novelCover, url: novelUrl });
  });

  return novels;
};

async function parseNovelAndChapters (novelUrl) {
  const result = await fetchApi(novelUrl);
  const body = await result.text();

  const loadedCheerio = cheerio.load(body);
  let json = loadedCheerio('#__NEXT_DATA__').html();
  json = JSON.parse(json);

  let novel = {
    url: novelUrl,
    name: json.props.pageProps.book.title,
    cover: json.props.pageProps.book?.verticalImage?.url
      ? baseUrl + json.props.pageProps.book.verticalImage.url
      : defaultCoverUri,
    summary: json.props.pageProps.book.description,
    author: json.props.pageProps.book?.author || '',
    genres: json.props.pageProps.book.genres.map(item => item.title).join(','),
    status: json.props.pageProps.book.additionalInfo.includes('Активен')
      ? Status.Ongoing
      : Status.Completed,
  };

  let chapters = [];

  json.props.pageProps.book.chapters.forEach(item => {
    const chapterName = item.title;
    const releaseDate = dayjs(item.publishedAt).format('LLL');
    const chapterUrl = baseUrl + item.url;

    if (!item.isDonate || item.isUserPaid) {
      chapters.push({ name: chapterName, releaseTime: releaseDate, url: chapterUrl });
    }
  });

  novel.chapters = chapters.reverse();
  return novel;
};

async function parseChapter (chapterUrl) {
  const result = await fetchApi(chapterUrl);
  const body = await result.text();

  const loadedCheerio = cheerio.load(body);
  let json = loadedCheerio('#__NEXT_DATA__').html();
  json = JSON.parse(json);

  let temp = cheerio.load(json.props.pageProps.chapter.content.text);

  temp('img').each(function () {
    if (!loadedCheerio(this).attr('src')?.startsWith('http')) {
      let src = loadedCheerio(this).attr('src');
      loadedCheerio(this).attr('src', baseUrl + src);
    }
  });

  const chapterText = temp.html();

  return chapterText;
};

async function searchNovels  (searchTerm) {
  const url = `${baseUrl}/v3/books?filter[or][0][title][like]=${searchTerm}&filter[or][1][titleEn][like]=${searchTerm}&filter[or][2][fullTitle][like]=${searchTerm}&filter[status][]=active&filter[status][]=abandoned&filter[status][]=completed&expand=verticalImage`;
  const result = await fetchApi(url);
  const body = await result.json();
  let novels = [];

  body.items.forEach(item => {
    const novelName = item.title;
    const novelUrl = baseUrl + '/' + item.slug;
    const novelCover = item?.verticalImage?.url
      ? baseUrl + item.verticalImage.url
      : defaultCoverUri;
    novels.push({ name: novelName, cover: novelCover, url: novelUrl });
  });

  return novels;
};

const filters = [
  {
    key: 'sort',
    label: 'Сортировка',
    values: [
      { label: 'Рейтинг', value: 'popular' },
      { label: 'Дате добавления', value: 'new' },
      { label: 'Дате обновления', value: 'lastPublishedChapter' },
      { label: 'Законченные', value: 'completed' },
    ],
    inputType: FilterInputs.Picker,
  },
];

module.exports = {
    id: pluginId,
    name: sourceName,
    site: baseUrl,
    version: '1.0.0',
    lang: languages.Russian,
    icon: 'src/ru/ranoberf/icon.png',
    filters,
    popularNovels,
    parseNovelAndChapters,
    parseChapter,
    searchNovels,
    fetchImage: fetchFile,
};