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

class FreeWebNovel implements Plugin.PluginBase {
  id = "FWN.com";
  name = "Free Web Novel";
  site = "https://freewebnovel.com";
  version = "1.0.0";
  icon = "src/en/freewebnovel/icon.png";

  async popularNovels(
    page: number,
    { showLatestNovels }: Plugin.PopularNovelsOptions,
  ): Promise<Plugin.NovelItem[]> {
    const sort = showLatestNovels
      ? "/latest-release-novels/"
      : "/completed-novels/";

    const body = await fetchApi(this.site + sort + page).then((res) => res.text());
    const loadedCheerio = parseHTML(body);

    const novels: Plugin.NovelItem[] = loadedCheerio(".li-row")
      .map((index, element) => ({
        name: loadedCheerio(element).find(".tit").text() || "",
        cover: loadedCheerio(element).find("img").attr("src"),
        path: loadedCheerio(element).find("h3 > a").attr("href") || "",
      }))
      .get()
      .filter((novel) => novel.name && novel.path);

    return novels;
  }

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

    const novel: Plugin.SourceNovel = {
      path: novelPath,
      name: loadedCheerio("h1.tit").text(),
      cover: loadedCheerio(".pic > img").attr("src"),
      summary: loadedCheerio(".inner").text().trim(),
    };

    novel.genres = loadedCheerio("[title=Genre]")
      .next()
      .text()
      .replace(/[\t\n]/g, "");

    novel.author = loadedCheerio("[title=Author]")
      .next()
      .text()
      .replace(/[\t\n]/g, "");

    novel.status = loadedCheerio("[title=Status]")
      .next()
      .text()
      .replace(/[\t\n]/g, "");

    const chapters: Plugin.ChapterItem[] = loadedCheerio("#idData > li > a")
      .map((chapterIndex, element) => ({
        name:
          loadedCheerio(element).attr("title") ||
          "Chapter " + (chapterIndex + 1),
        path:
          loadedCheerio(element).attr("href") ||
          novelPath.replace(".html", "/chapter-" + (chapterIndex + 1) + ".html"),
        releaseTime: null,
        chapterNumber: chapterIndex + 1,
      }))
      .get();

    novel.chapters = chapters;
    return novel;
  }

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

    const chapterText = loadedCheerio("div.txt").html() || "";
    return chapterText;
  }

  async searchNovels(searchTerm: string): Promise<Plugin.NovelItem[]> {
    const body = await fetchApi(this.site + "/search/", {
      headers: {
        "Content-Type": "application/x-www-form-urlencoded",
        Referer: this.site,
        Origin: this.site,
      },
      method: "POST",
      body: qs.stringify({ searchkey: searchTerm }),
    }).then((res) => res.text());

    const loadedCheerio = parseHTML(body);
    const novels: Plugin.NovelItem[] = loadedCheerio(".li-row > .li > .con")
      .map((index, element) => ({
        name: loadedCheerio(element).find(".tit").text() || "",
        cover: loadedCheerio(element).find(".pic > a > img").attr("src"),
        path: loadedCheerio(element).find("h3 > a").attr("href") || "",
      }))
      .get()
      .filter((novel) => novel.name && novel.path);

    return novels;
  }

  fetchImage = fetchFile;
}

export default new FreeWebNovel();