import { Plugin } from "@typings/plugin";
import { FilterTypes, Filters } from "@libs/filterInputs";
import { fetchApi, fetchFile } from "@libs/fetch";
import { NovelStatus } from "@libs/novelStatus";
import { load as parseHTML } from "cheerio";
import dayjs from "dayjs";
import qs from "qs";

class Zelluloza implements Plugin.PluginBase {
  id = "zelluloza";
  name = "Целлюлоза";
  site = "https://zelluloza.ru";
  version = "1.0.0";
  icon = "src/ru/zelluloza/icon.png";

  async popularNovels(
    pageNo: number,
    {
      filters,
      showLatestNovels,
    }: Plugin.PopularNovelsOptions<typeof this.filters>,
  ): Promise<Plugin.NovelItem[]> {
    const sort = showLatestNovels ? "0.0" : filters?.sort?.value || "6.0";
    const genres = filters?.genres?.value || "";

    const body = await fetchApi(this.site + "/ajaxcall/", {
      headers: {
        "Content-Type": "application/x-www-form-urlencoded",
        Referer: this.site + "/top/freebooks/",
        Origin: this.site,
      },
      method: "POST",
      body: qs.stringify({
        op: "morebooks",
        par1: "",
        par2: `125:0:${genres}:0.${sort}.0.0.0.0.0.0.0.0.0.1.s.1..:${pageNo}`,
        par4: "",
      }),
    }).then((res) => res.text());
    const loadedCheerio = parseHTML(body);
    const novels: Plugin.NovelItem[] = [];

    loadedCheerio('div[style="display: flex"]').each((index, element) => {
      novels.push({
        name: loadedCheerio(element).find('span[itemprop="name"]').text() || "",
        cover:
          this.site +
          loadedCheerio(element).find('img[class="shadow"]').attr("src"),
        path: (
          loadedCheerio(element).find('img[class="shadow"]').attr("onclick") ||
          ""
        ).replace(/\D/g, ""),
      });
    });

    return novels;
  }

  async parseNovel(novelPath: string): Promise<Plugin.SourceNovel> {
    const body = await fetchApi(this.resolveUrl(novelPath, true))
      .then((res) => res.text());
    const loadedCheerio = parseHTML(body);

    const novel: Plugin.SourceNovel = {
      path: novelPath,
      name: loadedCheerio('span[itemprop="name"]').text(),
      cover: this.site + loadedCheerio('img[class="shadow"]').attr("src"),
      genres: loadedCheerio(".gnres").text()?.split?.(": ")?.[1],
      summary:
        loadedCheerio("#bann_full").text() ||
        loadedCheerio("#bann_short").text(),
      author: loadedCheerio(".author_link").text(),
      status: loadedCheerio(".tech_decription").text().includes("Пишется")
        ? NovelStatus.Ongoing
        : NovelStatus.Completed,
    };

    const chapters: Plugin.ChapterItem[] = [];
    loadedCheerio('ul[class="g0"] div[class="w800_m"]').each(
      (chapterIndex, element) => {
        const isFree = loadedCheerio(element).find('div[class="chaptfree"]').length;
        if (isFree) {
          const chapter = loadedCheerio(element).find('a[class="chptitle"]');
          const releaseDate = loadedCheerio(element)
            .find('div[class="stat"]')
            .text();
          chapters.push({
            name: chapter.text().trim(),
            path: (chapter.attr("href") || "").split("/").slice(2, 4).join("/"),
            releaseTime: this.parseDate(releaseDate),
            chapterNumber: chapterIndex + 1,
          });
        }
      },
    );

    novel.chapters = chapters;
    return novel;
  }

  async parseChapter(chapterPath: string): Promise<string> {
    const [bookID, chapterID] = chapterPath.split("/");
    const body = await fetchApi(this.site + "/ajaxcall/", {
      headers: {
        "Content-Type": "application/x-www-form-urlencoded",
        Referer: this.resolveUrl(chapterPath),
        Origin: this.site,
      },
      method: "POST",
      body: qs.stringify({
        op: "getbook",
        par1: bookID,
        par2: chapterID,
      }),
    }).then((res) => res.text());

    const encrypted = body.split("<END>")[0].split("\n");
    const decrypted = encrypted
      .map((str) => decrypt(str))
      .join("")
      .replace(/\r/g, "")
      .trim();

    const chapterText = decrypted //cosmetic filters
      .replace(/\[\*]([\s\S]*?)\[\/]/g, "<b>$1</b>")
      .replace(/\[_]([\s\S]*?)\[\/]/g, "<u>$1</u>")
      .replace(/\[-]([\s\S]*?)\[\/]/g, "<s>$1</s>")
      .replace(/\[~]([\s\S]*?)\[\/]/g, "<i>$1</i>"); /*
      .replace(/\[!]([\s\S]*?)\[\/]/g, '<span style="font-family: Times New Roman">$1</span>')
      .replace(/\[ctr]([\s\S]*?)\[\/]/g, "<center>$1</center>")
      .replace(/\[rht]([\s\S]*?)\[\/]/g, '<span style="text-align: right">$1</span>')
      .replace(/\[grn]([\s\S]*?)\[\/]/g, '<span style="color: #019208">$1</span>')
      .replace(/\[red]([\s\S]*?)\[\/]/g, '<span style="color: #E84040">$1</span>')
      .replace(/\[blu]([\s\S]*?)\[\/]/g, '<span style="color: #354FA3">$1</span>')
      .replace(/\[gry]([\s\S]*?)\[\/]/g, '<span style="color: #909090">$1</span>')
      .replace(/\[geo]([\s\S]*?)\[\/]/g, '<span style="font-family: Georgia">$1</span>')
      .replace(/\[gld]([\s\S]*?)\[\/]/g, '<span style="color: #988c07">$1</span>');*/

    return chapterText;
  }

  async searchNovels(
    searchTerm: string,
    pageNo: number,
  ): Promise<Plugin.NovelItem[]> {
    const body = await fetchApi(this.site + "/ajaxcall/", {
      headers: {
        "Content-Type": "application/x-www-form-urlencoded",
        Referer: this.site + "/search/done/#result",
        Origin: this.site,
      },
      method: "POST",
      body: qs.stringify({
        op: "morebooks",
        par1: searchTerm,
        par2: "206:0:0:0.0.0.0.0.0.0.10.0.0.0.0.0..0..:" + pageNo,
        par4: "",
      }),
    }).then((res) => res.text());
    const loadedCheerio = parseHTML(body);
    const novels: Plugin.NovelItem[] = [];

    loadedCheerio('div[style="display: flex"]').each((index, element) => {
      novels.push({
        name: loadedCheerio(element).find('span[itemprop="name"]').text() || "",
        cover:
          this.site +
          loadedCheerio(element).find('img[class="shadow"]').attr("src"),
        path: (
          loadedCheerio(element).find('img[class="shadow"]').attr("onclick") ||
          ""
        ).replace(/\D/g, ""),
      });
    });

    return novels;
  }

  parseDate = (dateString: string | undefined = "") => {
    const [, day, month, year, hour, minute] =
      dateString.match(/(\d{2})\.(\d{2})\.(\d{4})г (\d{2}):(\d{2})/) || [];

    if (day && month && year && hour && minute) {
      return dayjs(
        year + "-" + month + "-" + day + " " + hour + ":" + minute,
      ).format("LLL");
    }

    return null;
  };

  fetchImage = fetchFile;
  resolveUrl = (path: string, isNovel?: boolean) =>
    this.site + "/books/" + path;

  filters = {
    sort: {
      label: "Сортировка",
      value: "6.0",
      options: [
        { label: "Топ-недели", value: "6.0" },
        { label: "Бестселеры", value: "5.0" },
        { label: "Популярные у читателей", value: "2.0" },
        { label: "Книжные новинки", value: "0.0" },
        { label: "Законченные книги", value: "0.1" },
      ],
      type: FilterTypes.Picker,
    },
    genres: {
      label: "Жанры",
      value: "",
      options: [
        { label: "Все", value: "" },
        { label: "16+", value: "204" },
        { label: "18+", value: "100" },
        { label: "Авантюра", value: "347" },
        { label: "Альтернативная история", value: "55" },
        { label: "Ангст", value: "463" },
        { label: "Аниме", value: "405" },
        { label: "Антиутопия", value: "21" },
        { label: "Апокалипсис", value: "368" },
        { label: "Аудиокнига", value: "391" },
        { label: "Байки", value: "435" },
        { label: "Бизнес-книги", value: "522" },
        { label: "Биография", value: "52" },
        { label: "Биопанк", value: "379" },
        { label: "Боевая фантастика", value: "512" },
        { label: "Боевик", value: "61" },
        { label: "Боевые искусства", value: "142" },
        { label: "Бояръ-аниме", value: "433" },
        { label: "Вбоквелл", value: "372" },
        { label: "Вестерн", value: "96" },
        { label: "Война миров", value: "137" },
        { label: "Восточное фэнтези", value: "505" },
        { label: "Городское фентези", value: "63" },
        { label: "Городское фэнтези", value: "520" },
        { label: "Готика", value: "83" },
        { label: "Детективы", value: "4" },
        { label: "Детские книги", value: "8" },
        { label: "Документальные книги", value: "351" },
        { label: "Дом и дача", value: "534" },
        { label: "Дорожные истории", value: "41" },
        { label: "Драма", value: "47" },
        { label: "Древняя литература", value: "529" },
        { label: "Женский психологический роман", value: "186" },
        { label: "Женский роман", value: "141" },
        { label: "Зарубежная классика", value: "524" },
        { label: "Здоровье и красота", value: "533" },
        { label: "Изучение языков", value: "537" },
        { label: "Иронический детектив", value: "85" },
        { label: "Исследования", value: "156" },
        { label: "Историческая литература", value: "3" },
        { label: "Исторический любовный роман", value: "518" },
        { label: "Историческое фэнтези", value: "90" },
        { label: "Киберпанк", value: "7" },
        { label: "Классическая литература", value: "9" },
        { label: "Книга-игра", value: "371" },
        { label: "Книги для родителей", value: "535" },
        { label: "Комедия", value: "80" },
        { label: "Конкурсные сборники", value: "349" },
        { label: "Короткий любовный роман", value: "517" },
        { label: "Космическая фантастика", value: "513" },
        { label: "Космоопера", value: "58" },
        { label: "Криминальная проза", value: "35" },
        { label: "Криптоистория", value: "400" },
        { label: "Ксенофантастика", value: "102" },
        { label: "Культура и искусство", value: "536" },
        { label: "Легенды", value: "161" },
        { label: "Лирика", value: "49" },
        { label: "ЛитРПГ", value: "62" },
        { label: "Любовная фантастика", value: "516" },
        { label: "Любовное фэнтези", value: "515" },
        { label: "Любовный роман", value: "46" },
        { label: "Магический реализм", value: "42" },
        { label: "Матриархат", value: "385" },
        { label: "Медицина", value: "57" },
        { label: "Мелодрама", value: "45" },
        { label: "Мемуары", value: "532" },
        { label: "Метафизика", value: "430" },
        { label: "Милитари", value: "126" },
        { label: "Мистика", value: "22" },
        { label: "Морские приключения", value: "211" },
        { label: "Мотивация", value: "135" },
        { label: "Научная фантастика", value: "122" },
        { label: "Научно-популярная", value: "43" },
        { label: "Ненаучная фантастика", value: "387" },
        { label: "Новелла", value: "498" },
        { label: "Нон-фикшн", value: "507" },
        { label: "Нуар", value: "121" },
        { label: "О войне", value: "136" },
        { label: "Оккультизм", value: "424" },
        { label: "Параллельные миры", value: "438" },
        { label: "Пародия", value: "108" },
        { label: "Подростковая фантастика", value: "27" },
        { label: "Подростковый роман", value: "388" },
        { label: "Подростковый ужастик", value: "110" },
        { label: "Постапокалипсис", value: "82" },
        { label: "Постапокалиптика", value: "67" },
        { label: "Поэзия", value: "44" },
        { label: "Превращение", value: "170" },
        { label: "Приключение", value: "497" },
        { label: "Приключения", value: "5" },
        { label: "Природа и животные", value: "538" },
        { label: "Проза", value: "95" },
        { label: "Производственный роман", value: "148" },
        { label: "Психология", value: "31" },
        { label: "Путешествия", value: "383" },
        { label: "Рассказы", value: "101" },
        { label: "Реализм", value: "422" },
        { label: "РеалРПГ", value: "442" },
        { label: "Религия", value: "188" },
        { label: "Робинзонада", value: "434" },
        { label: "Романтика", value: "130" },
        { label: "Романтическая фантастика", value: "501" },
        { label: "Русская классика", value: "523" },
        { label: "Рыцарский роман", value: "112" },
        { label: "Символизм", value: "439" },
        { label: "Сказки", value: "93" },
        { label: "Славянское фэнтези", value: "508" },
        { label: "Сновидения", value: "428" },
        { label: "Современный любовный роман", value: "519" },
        { label: "Социально-психологическая фантастика", value: "98" },
        { label: "Спорт", value: "147" },
        { label: "Справочники", value: "528" },
        { label: "Стимпанк", value: "56" },
        { label: "Субкультура", value: "209" },
        { label: "Сюрреализм", value: "26" },
        { label: "Тёмное фэнтези", value: "437" },
        { label: "Техномагия", value: "159" },
        { label: "Триллер", value: "6" },
        { label: "Трэш", value: "162" },
        { label: "Ужасы", value: "531" },
        { label: "Утопия", value: "191" },
        { label: "Учебник", value: "411" },
        { label: "Фантастика", value: "1" },
        { label: "Фантастический боевик", value: "38" },
        { label: "Фанфик", value: "111" },
        { label: "Философия", value: "461" },
        { label: "Фурри", value: "394" },
        { label: "Фэнтези", value: "2" },
        { label: "Хентай", value: "441" },
        { label: "Хобби и досуг", value: "530" },
        { label: "Хоррор", value: "86" },
        { label: "Чёрный юмор", value: "73" },
        { label: "Эзотерика", value: "30" },
        { label: "Экшн", value: "94" },
        { label: "Эпическое фэнтези", value: "499" },
        { label: "Эротика", value: "19" },
        { label: "Эссе", value: "353" },
        { label: "ЭТТИ", value: "502" },
        { label: "Юмористическая литература", value: "20" },
        { label: "Юмористическая фантастика", value: "514" },
        { label: "Юмористическое фэнтези", value: "521" },
        { label: "EVE - Миры Содружества", value: "99" },
      ],
      type: FilterTypes.Picker,
    },
  } satisfies Filters;
}

const alphabet: { [key: string]: string } = {
  "~": "0",
  "H": "1",
  "^": "2",
  "@": "3",
  "f": "4",
  "0": "5",
  "5": "6",
  "n": "7",
  "r": "8",
  "=": "9",
  "W": "a",
  "L": "b",
  "7": "c",
  " ": "d",
  "u": "e",
  "c": "f",
};

function decrypt(encrypt: string) {
  if (!encrypt) return "";
  const hexArray = [];

  for (let j = 0; j < encrypt.length; j += 2) {
    const firstChar = encrypt.substring(j, j + 1);
    const secondChar = encrypt.substring(j + 1, j + 2);
    hexArray.push(alphabet[firstChar] + alphabet[secondChar]);
  }

  return "<p>" + hexToUtf8(hexArray) + "</p>";
}

function hexToUtf8(hexArray: string[]) {
  let index = 0;
  let result = "";

  while (index < hexArray.length) {
    const currentHex = parseInt(hexArray[index], 16) & 0xff;

    if (currentHex < 128) {
      if (currentHex < 16) {
        switch (currentHex) {
          case 9:
            result += " ";
            break;
          case 13:
            result += "\r";
            break;
          case 10:
            result += "\n";
            break;
        }
      } else {
        result += String.fromCharCode(currentHex);
      }
      index++;
    } else if (currentHex > 191 && currentHex < 224) {
      if (index + 1 < hexArray.length) {
        const nextHex = parseInt(hexArray[index + 1], 16) & 0xff;
        result += String.fromCharCode(
          ((currentHex & 31) << 6) | (nextHex & 63),
        );
      }
      index += 2;
    } else {
      if (index + 2 < hexArray.length) {
        const nextHex = parseInt(hexArray[index + 1], 16) & 0xff;
        const thirdHex = parseInt(hexArray[index + 2], 16) & 0xff;
        result += String.fromCharCode(
          ((currentHex & 15) << 12) | ((nextHex & 63) << 6) | (thirdHex & 63),
        );
      }
      index += 3;
    }
  }

  return result;
}

export default new Zelluloza();