import { load as loadCheerio } from "cheerio";
import { fetchApi, fetchFile } from "@libs/fetch";
import { Chapter, Novel, Plugin } from "@typings/plugin";
import { defaultCover } from "@libs/defaultCover";
// const novelStatus = require('@libs/novelStatus');
// const isUrlAbsolute = require('@libs/isAbsoluteUrl');
// const parseDate = require('@libs/parseDate');

const pluginId = "yomou.syosetu";

export const id = pluginId;
export const name = "Syosetu";
export const icon = "src/jp/syosetu/icon.png";
export const version = "1.0.0";
export const site = "https//yomou.syosetu.com/";

const searchUrl = (pagenum?: number, order?: string) => {
    return `https://yomou.syosetu.com/search.php?order=${order || "hyoka"}${
        pagenum !== undefined
            ? `&p=${pagenum <= 1 || pagenum > 100 ? "1" : pagenum}` // check if pagenum is between 1 and 100
            : "" // if isn't don't set ?p
    }`;
};

export const popularNovels: Plugin.popularNovels = async function (pageNo) {
    async function getNovelsFromPage(pagenumber: number) {
        // load page
        const result = await fetchApi(searchUrl(pagenumber));
        const body = await result.text();
        // Cheerio it!
        const cheerioQuery = loadCheerio(body, { decodeEntities: false });
        let pageNovels: Novel.Item[] = [];
        // find class=searchkekka_box
        cheerioQuery(".searchkekka_box").each(function (i, e) {
            // get div with link and name
            const novelDIV = cheerioQuery(this).find(".novel_h");
            // get link element
            const novelA = novelDIV.children()[0];
            // add new novel to array
            pageNovels.push({
                name: novelDIV.text(), // get the name
                url: novelA.attribs.href, // get last part of the link
                cover: defaultCover,
            });
        });
        // return all novels from this page
        return pageNovels;
    }
    const novels = await getNovelsFromPage(pageNo);
    return novels;
};

export const parseNovelAndChapters: Plugin.parseNovelAndChapters =
    async function (novelUrl) {
        let chapters: Chapter.Item[] = [];
        const result = await fetchApi(novelUrl);
        const body = await result.text();
        const loadedCheerio = loadCheerio(body, { decodeEntities: false });

        // create novel object
        let novel: Novel.instance = {
            url: novelUrl,
            name: loadedCheerio(".novel_title").text(),
            author: loadedCheerio(".novel_writername")
                .text()
                .replace("作者：", ""),
            cover: defaultCover,
        };

        // Get all the chapters
        const cqGetChapters = loadedCheerio(".novel_sublist2");
        if (cqGetChapters.length !== 0) {
            // has more than 1 chapter
            novel.summary = loadedCheerio("#novel_ex")
                .text()
                .replace(/<\s*br.*?>/g, "\n");
            cqGetChapters.each(function (i, e) {
                const chapterA = loadedCheerio(this).find("a");
                const [chapterName, releaseDate, chapterUrl] = [
                    // set the variables
                    chapterA.text(),
                    loadedCheerio(this)
                        .find("dt") // get title
                        .text() // get text
                        .replace(/（.）/g, "") // remove "(edited)" mark
                        .trim(), // trim spaces
                    "https://ncode.syosetu.com" + chapterA.attr("href"),
                ];
                chapters.push({
                    name: chapterName,
                    releaseTime: releaseDate,
                    url: chapterUrl,
                });
            });
        } else {
            /**
             * Because there are oneshots on the site, they have to be treated with special care
             * that's what pisses me off in Shosetsu app. They have this extension,
             * but every oneshot is set as "there are no chapters" and all contents are thrown into the description!!
             */
            // get summary for oneshot chapter

            const nameResult = await fetchApi(
                searchUrl() + `&word=${novel.name}`
            );
            const nameBody = await nameResult.text();
            const summaryQuery = loadCheerio(nameBody, {
                decodeEntities: false,
            });
            const foundText = summaryQuery(".searchkekka_box")
                .first()
                .find(".ex")
                .text()
                .replace(/\s{2,}/g, "\n");
            novel.summary = foundText;

            // add single chapter
            chapters.push({
                name: "Oneshot",
                releaseTime: loadedCheerio("head")
                    .find("meta[name='WWWC']")
                    .attr("content"), // get date from metadata
                url: novelUrl, // set chapterUrl to oneshot so that chapterScraper knows it's a one-shot,
            });
        }
        novel.chapters = chapters;
        return novel;
    };

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

    // create cheerioQuery
    const cheerioQuery = loadCheerio(body, {
        decodeEntities: false,
    });

    let chapterText = cheerioQuery("#novel_honbun") // get chapter text
        .html();
    return chapterText;
};

export const searchNovels: Plugin.searchNovels = async function (searchTerm) {
    let novels = [];

    // returns list of novels from given page
    async function getNovelsFromPage(pagenumber: number) {
        // load page
        const result = await fetchApi(
            searchUrl(pagenumber) + `&word=${searchTerm}`
        );
        const body = await result.text();
        // Cheerio it!
        const cheerioQuery = loadCheerio(body, { decodeEntities: false });

        let pageNovels: Novel.Item[] = [];
        // find class=searchkekka_box
        cheerioQuery(".searchkekka_box").each(function (i, e) {
            // get div with link and name
            const novelDIV = cheerioQuery(this).find(".novel_h");
            // get link element
            const novelA = novelDIV.children()[0];
            // add new novel to array
            pageNovels.push({
                name: novelDIV.text(), // get the name
                url: novelA.attribs.href, // get last part of the link
                cover: defaultCover,
            });
        });
        // return all novels from this page
        return pageNovels;
    }

    // counter of loaded pages
    // let pagesLoaded = 0;
    // do {
    //     // always load first one
    //     novels.push(...(await getNovelsFromPage(pagesLoaded + 1)));
    //     pagesLoaded++;
    // } while (pagesLoaded < maxPageLoad && isNext); // check if we should load more

    novels = await getNovelsFromPage(1);

    /** Use
     * novels.push(...(await getNovelsFromPage(pageNumber)))
     * if you want to load more
     */

    // respond with novels!
    return novels;
};

export const fetchImage: Plugin.fetchImage = async function (url) {
    return await fetchFile(url);
};