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 pluginId = "bookriver";
const sourceName = "Bookriver";
const baseUrl = "https://bookriver.ru";

async function popularNovels(page, { showLatestNovels, filters }) {
  let url = baseUrl + `/genre?page=${page}&perPage=24&sortingType=`;
  url += showLatestNovels ? "last-update" : filters?.sort || "bestseller";

  if (filters?.genres?.length) {
    url += "&g=" + filters.genres.join(",");
  }

  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.state.pagesFilter.genre.books.forEach((novel) =>
    novels.push({
      name: novel.name,
      cover: novel.coverImages[0].url,
      url: baseUrl + "/book/" + novel.slug,
    })
  );

  return novels;
}

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

  const loadedCheerio = cheerio.load(body);
  const json = loadedCheerio("#__NEXT_DATA__").html();
  const book = JSON.parse(json).props.pageProps.state.book.bookPage;

  let novel = {
    url: novelUrl,
    name: book.name,
    cover: book.coverImages[0].url,
    summary: book.annotation,
    author: book.author.name,
    genres: book.tags.map((item) => item.name).join(", "),
    status:
      book.statusComplete === "writing" ? Status.Ongoing : Status.Completed,
  };

  let chapters = [];

  book.ebook.chapters.forEach((chapter) => {
    if (chapter.available) {
      chapters.push({
        name: chapter.name,
        releaseTime: dayjs(chapter?.firstPublishedAt || chapter.createdAt).format("LLL"),
        url: baseUrl + "/reader/" + book.slug + "/" + chapter.chapterId,
      });
    }
  });

  novel.chapters = chapters;
  return novel;
}

async function parseChapter(chapterUrl) {
  const url = "https://api.bookriver.ru/api/v1/books/chapter/text/";
  const result = await fetchApi(url + chapterUrl.split("/").pop());
  const json = await result.json();

  const chapterText = json.data.content;
  return chapterText;
}

async function searchNovels(searchTerm) {
  const url = `${baseUrl}/search/books?keyword=${searchTerm}`;
  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.state.catalog.books.books.forEach((novel) =>
    novels.push({
      name: novel.name,
      cover: novel.coverImages[0].url,
      url: baseUrl + "/book/" + novel.slug,
    })
  );

  return novels;
}

const filters = [
  {
    key: "sort",
    label: "Сортировка",
    values: [
      { label: "Бестселлеры", value: "bestseller" },
      { label: "Дате добавления", value: "newest" },
      { label: "Дате обновления", value: "last-update" },
    ],
    inputType: FilterInputs.Picker,
  },
  {
    key: "genres",
    label: "жанры",
    values: [
      { label: "Альтернативная история", value: "alternativnaya-istoriya" },
      { label: "Боевая фантастика", value: "boevaya-fantastika" },
      { label: "Боевое фэнтези", value: "boevoe-fentezi" },
      { label: "Бытовое фэнтези", value: "bytovoe-fentezi" },
      { label: "Героическая фантастика", value: "geroicheskaya-fantastika" },
      { label: "Героическое фэнтези", value: "geroicheskoe-fentezi" },
      { label: "Городское фэнтези", value: "gorodskoe-fentezi" },
      { label: "Детектив", value: "detektiv" },
      { label: "Детективная фантастика", value: "detektivnaya-fantastika" },
      { label: "Жёсткая эротика", value: "zhyostkaya-erotika" },
      { label: "Исторический детектив", value: "istoricheskii-detektiv" },
      { label: "Исторический любовный роман", value: "istoricheskii-lyubovnyi-roman" },
      { label: "Историческое фэнтези", value: "istoricheskoe-fentezi" },
      { label: "Киберпанк", value: "kiberpank" },
      { label: "Классический детектив", value: "klassicheskii-detektiv" },
      { label: "Короткий любовный роман", value: "korotkii-lyubovnyi-roman" },
      { label: "Космическая фантастика", value: "kosmicheskaya-fantastika" },
      { label: "Криминальный детектив", value: "kriminalnyi-detektiv" },
      { label: "ЛитРПГ", value: "litrpg" },
      { label: "Любовная фантастика", value: "lyubovnaya-fantastika" },
      { label: "Любовное фэнтези", value: "lyubovnoe-fentezi" },
      { label: "Любовный роман", value: "lyubovnyi-roman" },
      { label: "Мистика", value: "mistika" },
      { label: "Молодежная проза", value: "molodezhnaya-proza" },
      { label: "Научная фантастика", value: "nauchnaya-fantastika" },
      { label: "Остросюжетный любовный роман", value: "ostrosyuzhetnyi-lyubovnyi-roman" },
      { label: "Политический детектив", value: "politicheskii-detektiv" },
      { label: "Попаданцы", value: "popadantsy" },
      { label: "Постапокалипсис", value: "postapokalipsis" },
      { label: "Приключенческое фэнтези", value: "priklyuchencheskoe-fentezi" },
      { label: "Романтическая эротика", value: "romanticheskaya-erotika" },
      { label: "С элементами эротики", value: "s-elementami-erotiki" },
      { label: "Славянское фэнтези", value: "slavyanskoe-fentezi" },
      { label: "Современный любовный роман", value: "sovremennyi-lyubovnyi-roman" },
      { label: "Социальная фантастика", value: "sotsialnaya-fantastika" },
      { label: "Тёмное фэнтези", value: "temnoe-fentezi" },
      { label: "Фантастика", value: "fantastika" },
      { label: "Фэнтези", value: "fentezi" },
      { label: "Шпионский детектив", value: "shpionskii-detektiv" },
      { label: "Эпическое фэнтези", value: "epicheskoe-fentezi" },
      { label: "Эротика", value: "erotika" },
      { label: "Эротическая фантастика", value: "eroticheskaya-fantastika" },
      { label: "Эротический фанфик", value: "eroticheskii-fanfik" },
      { label: "Эротическое фэнтези", value: "eroticheskoe-fentezi" },
      { label: "Юмористический детектив", value: "yumoristicheskii-detektiv" },
      { label: "Юмористическое фэнтези", value: "yumoristicheskoe-fentezi" },
    ],
    inputType: FilterInputs.Checkbox,
  },
];

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