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

class LightNovelPub implements Plugin.PagePlugin {
    id = "lightnovelpub";
    name = "LightNovelPub";
    version = "1.0.1";
    icon = "src/en/lightnovelpub/icon.png";
    site = "https://www.lightnovelpub.com/";
    headers = {
        Accept: "application/json",
        "Content-Type": "application/json",
    };

    async popularNovels(
        page: number,
        { filters }: Plugin.PopularNovelsOptions<typeof this.filters>
    ): Promise<Plugin.NovelItem[]> {
        let link = `${this.site}browse/`;
        link += `${filters.genres.value}/`;
        link += `${filters.order.value}/`;
        link += `${filters.status.value}/`;
        link += page;

        const body = await fetchApi(link).then((r) => r.text());

        const loadedCheerio = parseHTML(body);

        const novels: Plugin.NovelItem[] = [];

        loadedCheerio(".novel-item.ads").remove();

        loadedCheerio(".novel-item").each((idx, ele) => {
            const novelName = loadedCheerio(ele)
                .find(".novel-title")
                .text()
                .trim();
            const novelCover = loadedCheerio(ele).find("img").attr("data-src");
            const novelUrl =
                loadedCheerio(ele)
                    .find(".novel-title > a")
                    .attr("href")
                    ?.substring(1);

            if (!novelUrl) return;
            const novel = {
                name: novelName,
                cover: novelCover,
                path: novelUrl,
            };

            novels.push(novel);
        });

        return novels;
    }

    async parseNovel(novelPath: string): Promise<Plugin.SourceNovel & { totalPages: number }> {
        const body = await fetchApi(this.site + novelPath).then((r) => r.text());

        const loadedCheerio = parseHTML(body);
        const totalChapters = parseInt(loadedCheerio(".header-stats span:first strong").text(), 10);

        const novel: Plugin.SourceNovel & { totalPages: number } = {
            path: novelPath,
            name: loadedCheerio("h1.novel-title").text().trim() || "Untitled",
            cover: loadedCheerio("figure.cover > img").attr("data-src"),
            author: loadedCheerio(".author > a > span").text(),
            summary: loadedCheerio(".summary > .content").text().trim(),
            status: loadedCheerio(".header-stats span:last strong").text(),
            totalPages: Math.ceil(totalChapters / 100),
            chapters: [],
        };

        novel.genres = loadedCheerio('.categories ul li')
            .map((a, ex) => loadedCheerio(ex).text().trim())
            .toArray()
            .join(',');

        return novel;
    }

    async parsePage(novelPath: string, page: string): Promise<Plugin.SourcePage> {
        const url = this.site + novelPath + '/chapters/page-' + page;
        const body = await fetchApi(url).then((res) => res.text());
        const loadedCheerio = parseHTML(body);
        const chapter: Plugin.ChapterItem[] = [];
        loadedCheerio('.chapter-list li').each(function () {
            const chapterName =
                'Chapter ' +
                loadedCheerio(this).find('.chapter-no').text().trim() +
                ' - ' +
                loadedCheerio(this).find('.chapter-title').text().trim();

            const releaseDate = loadedCheerio(this)
                .find('.chapter-update')
                .attr('datetime');

            const chapterUrl = loadedCheerio(this).find('a').attr('href')?.substring(1);
            if (!chapterUrl) return;

            chapter.push({
                name: chapterName,
                path: chapterUrl,
                releaseTime: dayjs(releaseDate).toISOString(),
            })
        });
        const chapters = chapter;
        return { chapters };
    }

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

        const loadedCheerio = parseHTML(body);

        let chapterText = loadedCheerio("#chapter-container").html() || '';

        return chapterText;
    }

    async searchNovels(searchTerm: string, pageNo: number): Promise<Plugin.NovelItem[]> {
        const url = `${this.site}lnsearchlive`;
        const link = `${this.site}search`;
        const response = await fetchApi(link).then((r) => r.text());
        const token = parseHTML(response);
        let verifytoken = token("#novelSearchForm > input").attr("value");

        let formData = new FormData();
        formData.append("inputContent", searchTerm);

        const body = await fetchApi(
            url,
            {
                method: "POST",
                headers: { LNRequestVerifyToken: verifytoken! },
                body: formData,
            },
        ).then((r) => r.text());

        let loadedCheerio = parseHTML(body);

        let novels: Plugin.NovelItem[] = [];

        let results = JSON.parse(loadedCheerio("body").text());

        loadedCheerio = parseHTML(results.resultview);

        loadedCheerio(".novel-item").each((idx, ele) => {
            const novelName = loadedCheerio(ele)
                .find("h4.novel-title")
                .text()
                .trim();
            const novelCover = loadedCheerio(ele).find("img").attr("src");
            const novelUrl = loadedCheerio(ele).find("a").attr("href")?.substring(1);
            if (!novelUrl) return;
            novels.push({
                name: novelName,
                path: novelUrl,
                cover: novelCover,
            });
        });

        return novels;
    }

    async fetchImage(url: string): Promise<string | undefined> {
        return fetchFile(url, { headers: this.headers });
    }

    filters = {
        order: {
            value: "popular",
            label: "Order by",
            options: [
                { label: "New", value: "new" },
                { label: "Popular", value: "popular" },
                { label: "Updates", value: "updated" },
            ],
            type: FilterTypes.Picker,
        },
        status: {
            value: "all",
            label: "Status",
            options: [
                { label: "All", value: "all" },
                { label: "Completed", value: "completed" },
                { label: "Ongoing", value: "ongoing" }
            ],
            type: FilterTypes.Picker,
        },
        genres: {
            value: "all",
            label: "Genre",
            options: [
                { label: "All", value: "all" },
                { label: "Action", value: "action" },
                { label: "Adventure", value: "adventure" },
                { label: "Drama", value: "drama" },
                { label: "Fantasy", value: "fantasy" },
                { label: "Harem", value: "harem" },
                { label: "Martial Arts", value: "martial-arts" },
                { label: "Mature", value: "mature" },
                { label: "Romance", value: "romance" },
                { label: "Tragedy", value: "tragedy" },
                { label: "Xuanhuan", value: "xuanhuan" },
                { label: "Ecchi", value: "ecchi" },
                { label: "Comedy", value: "comedy" },
                { label: "Slice of Life", value: "slice-of-life" },
                { label: "Mystery", value: "mystery" },
                { label: "Supernatural", value: "supernatural" },
                { label: "Psychological", value: "psychological" },
                { label: "Sci-fi", value: "sci-fi" },
                { label: "Xianxia", value: "xianxia" },
                { label: "School Life", value: "school-life" },
                { label: "Josei", value: "josei" },
                { label: "Wuxia", value: "wuxia" },
                { label: "Shounen", value: "shounen" },
                { label: "Horror", value: "horror" },
                { label: "Mecha", value: "mecha" },
                { label: "Historical", value: "historical" },
                { label: "Shoujo", value: "shoujo" },
                { label: "Adult", value: "adult" },
                { label: "Seinen", value: "seinen" },
                { label: "Sports", value: "sports" },
                { label: "Lolicon", value: "lolicon" },
                { label: "Gender Bender", value: "gender-bender" },
                { label: "Shounen Ai", value: "shounen-ai" },
                { label: "Yaoi", value: "yaoi" },
                { label: "Video Games", value: "video-games" },
                { label: "Smut", value: "smut" },
                { label: "Magical Realism", value: "magical-realism" },
                { label: "Eastern Fantasy", value: "eastern-fantasy" },
                { label: "Contemporary Romance", value: "contemporary-romance" },
                { label: "Fantasy Romance", value: "fantasy-romance" },
                { label: "Shoujo Ai", value: "shoujo-ai" },
                { label: "Yuri", value: "yuri" },
            ],
            type: FilterTypes.Picker,
        },
    } satisfies Filters;
}

export default new LightNovelPub();