import { CheerioAPI, load as parseHTML } from 'cheerio';
import { fetchApi } from '@libs/fetch';
import { Plugin } from '@/types/plugin';
import { Filters, FilterTypes } from '@libs/filterInputs';

class NovelBuddy implements Plugin.PluginBase {
  id = 'novelbuddy';
  name = 'NovelBuddy.io';
  site = 'https://novelbuddy.io/';
  version = '1.0.3';
  icon = 'src/en/novelbuddy/icon.png';

  parseNovels(loadedCheerio: CheerioAPI) {
    const novels: Plugin.NovelItem[] = [];

    loadedCheerio('.book-item').each((idx, ele) => {
      const novelName = loadedCheerio(ele).find('.title').text();
      const novelCover =
        'https:' + loadedCheerio(ele).find('img').attr('data-src');
      const novelUrl = loadedCheerio(ele)
        .find('.title a')
        .attr('href')
        ?.substring(1);

      if (!novelUrl) return;

      const novel = { name: novelName, cover: novelCover, path: novelUrl };

      novels.push(novel);
    });

    return novels;
  }

  async popularNovels(
    pageNo: number,
    { filters }: Plugin.PopularNovelsOptions<Filters>,
  ): Promise<Plugin.NovelItem[]> {
    // create empty query params
    const params = new URLSearchParams();

    // apply all filters
    params.append('sort', filters.orderBy.value.toString());
    params.append('status', filters.status.value.toString());
    if (filters.genre.value instanceof Array) {
      filters.genre.value.forEach(genre => {
        params.append('genre[]', genre.toString());
      });
    }
    params.append('q', filters.keyword.value.toString());
    params.append('page', pageNo.toString());

    const url = `${this.site}search?${params.toString()}`;

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

    const loadedCheerio = parseHTML(body);
    return this.parseNovels(loadedCheerio);
  }

  async parseNovel(novelPath: string): Promise<Plugin.SourceNovel> {
    const result = await fetchApi(this.site + novelPath);
    const body = await result.text();

    let loadedCheerio = parseHTML(body);

    const novel: Plugin.SourceNovel = {
      path: novelPath,
      name: loadedCheerio('.name h1').text().trim() || 'Untitled',
      cover: 'https:' + loadedCheerio('.img-cover img').attr('data-src'),
      summary: loadedCheerio('.section-body.summary .content').text().trim(),
      chapters: [],
    };

    loadedCheerio('.meta.box p').each((i, el) => {
      const detailName = loadedCheerio(el).find('strong').text();
      const detail = loadedCheerio(el).find('a');

      switch (detailName) {
        case 'Authors :':
          novel.author = detail
            .find('span')
            .map((a, ex) => loadedCheerio(ex).text())
            .toArray()
            .join(', ');
          break;
        case 'Status :':
          novel.status = detail.text();
          break;
        case 'Genres :':
          novel.genres = detail.text().trim();
          break;
      }
    });
    const novelId = loadedCheerio('script')
      .text()
      .match(/bookId = (\d+);/)![1];
    const chapter: Plugin.ChapterItem[] = [];

    const getChapters = async (id: string) => {
      const chapterListUrl = `${this.site}api/manga/${id}/chapters?source=detail`;
      const data = await fetchApi(chapterListUrl);
      const chapterlist = await data.text();

      loadedCheerio = parseHTML(chapterlist);

      loadedCheerio('li').each((i, el) => {
        const chapterName = loadedCheerio(el)
          .find('.chapter-title')
          .text()
          .trim();

        const releaseDate = loadedCheerio(el)
          .find('.chapter-update')
          .text()
          .trim();

        const months = [
          'jan',
          'feb',
          'mar',
          'apr',
          'may',
          'jun',
          'jul',
          'aug',
          'sep',
          'oct',
          'nov',
          'dec',
        ];
        const monthsJoined = months.join('|');

        const rx = new RegExp(
          `(${monthsJoined}) (\\d{1,2}), (\\d{4})`,
          'i',
        ).exec(releaseDate);
        if (!rx) return;
        const year = +rx[3];
        const month = months.indexOf(rx[1].toLowerCase());
        const day = +rx[2];

        const chapterUrl = loadedCheerio(el).find('a').attr('href')?.slice(1);

        if (!chapterUrl) return;

        chapter.push({
          name: chapterName,
          releaseTime: new Date(year, month, day).toISOString(),
          path: chapterUrl,
        });
      });
      return chapter;
    };

    novel.chapters = (await getChapters(novelId)).reverse();

    return novel;
  }

  async parseChapter(chapterPath: string): Promise<string> {
    const result = await fetchApi(this.site + chapterPath);
    const body = await result.text();

    const loadedCheerio = parseHTML(body);

    loadedCheerio('#listen-chapter').remove();
    loadedCheerio('#google_translate_element').remove();

    const chapterText = loadedCheerio('.chapter__content').html() || '';

    return chapterText;
  }

  async searchNovels(
    searchTerm: string,
    page: number,
  ): Promise<Plugin.NovelItem[]> {
    const url = `${this.site}search?q=${encodeURIComponent(searchTerm)}&page=${page}`;

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

    const loadedCheerio = parseHTML(body);
    return this.parseNovels(loadedCheerio);
  }

  filters = {
    orderBy: {
      value: 'views',
      label: 'Order by',
      options: [
        { label: 'Views', value: 'views' },
        { label: 'Updated At', value: 'updated_at' },
        { label: 'Created At', value: 'created_at' },
        { label: 'Name', value: 'name' },
        { label: 'Rating', value: 'rating' },
      ],
      type: FilterTypes.Picker,
    },
    keyword: {
      value: '',
      label: 'Keywords',
      type: FilterTypes.TextInput,
    },
    status: {
      value: 'all',
      label: 'Status',
      options: [
        { label: 'All', value: 'all' },
        { label: 'Ongoing', value: 'ongoing' },
        { label: 'Completed', value: 'completed' },
      ],
      type: FilterTypes.Picker,
    },
    genre: {
      value: [],
      label: 'Genres (OR, not AND)',
      options: [
        { label: 'Action', value: 'action' },
        { label: 'Action Adventure', value: 'action-adventure' },
        { label: 'Adult', value: 'adult' },
        { label: 'Adventcure', value: 'adventcure' },
        { label: 'Adventure', value: 'adventure' },
        { label: 'Adventurer', value: 'adventurer' },
        { label: 'Bender', value: 'bender' },
        { label: 'Chinese', value: 'chinese' },
        { label: 'Comedy', value: 'comedy' },
        { label: 'Cultivation', value: 'cultivation' },
        { label: 'Drama', value: 'drama' },
        { label: 'Eastern', value: 'eastern' },
        { label: 'Ecchi', value: 'ecchi' },
        { label: 'Fan Fiction', value: 'fan-fiction' },
        { label: 'Fanfiction', value: 'fanfiction' },
        { label: 'Fantas', value: 'fantas' },
        { label: 'Fantasy', value: 'fantasy' },
        { label: 'Game', value: 'game' },
        { label: 'Gender', value: 'gender' },
        { label: 'Gender Bender', value: 'gender-bender' },
        { label: 'Harem', value: 'harem' },
        { label: 'HaremAction', value: 'haremaction' },
        { label: 'Haremv', value: 'haremv' },
        { label: 'Historica', value: 'historica' },
        { label: 'Historical', value: 'historical' },
        { label: 'History', value: 'history' },
        { label: 'Horror', value: 'horror' },
        { label: 'Isekai', value: 'isekai' },
        { label: 'Josei', value: 'josei' },
        { label: 'Lolicon', value: 'lolicon' },
        { label: 'Magic', value: 'magic' },
        { label: 'Martial', value: 'martial' },
        { label: 'Martial Arts', value: 'martial-arts' },
        { label: 'Mature', value: 'mature' },
        { label: 'Mecha', value: 'mecha' },
        { label: 'Military', value: 'military' },
        { label: 'Modern Life', value: 'modern-life' },
        { label: 'Mystery', value: 'mystery' },
        { label: 'Mystery Adventure', value: 'mystery-adventure' },
        { label: 'Psychologic', value: 'psychologic' },
        { label: 'Psychological', value: 'psychological' },
        { label: 'Reincarnation', value: 'reincarnation' },
        { label: 'Romance', value: 'romance' },
        { label: 'Romance Adventure', value: 'romance-adventure' },
        { label: 'Romance Harem', value: 'romance-harem' },
        { label: 'Romancem', value: 'romancem' },
        { label: 'School Life', value: 'school-life' },
        { label: 'Sci-fi', value: 'sci-fi' },
        { label: 'Seinen', value: 'seinen' },
        { label: 'Shoujo', value: 'shoujo' },
        { label: 'Shoujo Ai', value: 'shoujo-ai' },
        { label: 'Shounen', value: 'shounen' },
        { label: 'Shounen Ai', value: 'shounen-ai' },
        { label: 'Slice of Life', value: 'slice-of-life' },
        { label: 'Smut', value: 'smut' },
        { label: 'Sports', value: 'sports' },
        { label: 'Superna', value: 'superna' },
        { label: 'Supernatural', value: 'supernatural' },
        { label: 'System', value: 'system' },
        { label: 'Tragedy', value: 'tragedy' },
        { label: 'Urban', value: 'urban' },
        { label: 'Urban Life', value: 'urban-life' },
        { label: 'Wuxia', value: 'wuxia' },
        { label: 'Xianxia', value: 'xianxia' },
        { label: 'Xuanhuan', value: 'xuanhuan' },
        { label: 'Yaoi', value: 'yaoi' },
        { label: 'Yuri', value: 'yuri' },
      ],
      type: FilterTypes.CheckboxGroup,
    },
  } satisfies Filters;
}

export default new NovelBuddy();