class asmhentai {
    constructor() {
        this.baseUrl = "https://asmhentai.com";
        this.type = "book-board";
        this.version = "1.2";
        this.mediaType = "manga";
    }

    getFilters() {
        return {
            sort: {
                label: "Order",
                type: "select",
                options: [
                    { value: "latest", label: "Latest" },
                    { value: "popular", label: "Popular" }
                ],
                default: "latest"
            }
        };
    }

    async search({ query, page = 1, filters }) {
        let url;

        if (query && query.trim().length > 0) {

            const q = query.trim().replace(/\s+/g, "+");
            url = `${this.baseUrl}/search/?q=${q}&page=${page}`;
        }

        else {
            const sort = filters?.sort || "latest";

            if (sort === "popular") {

                url = page === 1
                    ? `${this.baseUrl}/popular/`
                    : `${this.baseUrl}/popular/pag/${page}/`;
            } else {

                url = page === 1
                    ? `${this.baseUrl}/`
                    : `${this.baseUrl}/pag/${page}/`;
            }
        }

        const html = await fetch(url).then(r => r.text());
        const $ = this.cheerio.load(html);

        const results = [];

        $(".preview_item").each((_, el) => {
            const href = $(el).find(".image a").attr("href");
            const id = href?.match(/\/g\/(\d+)\//)?.[1];

            if (!id) return;

            let img = $(el).find(".image img").attr("data-src") || $(el).find(".image img").attr("src") || "";
            if (img.startsWith("//")) img = "https:" + img;

            const image = img.replace("thumb.jpg", "1.jpg");
            const title = $(el).find("h2.caption").text().trim();

            results.push({
                id,
                image,
                title,
                rating: null,
                type: "book"
            });
        });

        return results;
    }

    async getMetadata(id) {
        const html = await fetch(`${this.baseUrl}/g/${id}/`).then(r => r.text());
        const $ = this.cheerio.load(html);

        let image =
            $('a[href^="/gallery/"] img').attr("data-src") ||
            $('a[href^="/gallery/"] img').attr("src") ||
            "";

        if (image.startsWith("//")) image = "https:" + image;

        const genres = $(".tags a.tag")
            .map((_, el) => $(el).text().trim())
            .get();

        return {
            id,
            title: $("h1").first().text().trim(),
            format: "MANGA",
            score: 0,
            genres,
            status: "unknown",
            published: "???",
            summary: "",
            chapters: 1,
            image
        };
    }

    async findChapters(mangaId) {
        return [{
            id: mangaId.toString(),
            title: "Chapter",
            number: 1,
            index: 0
        }];
    }

    async findChapterPages(chapterId) {
        const html = await fetch(`${this.baseUrl}/g/${chapterId}/`).then(r => r.text());
        const $ = this.cheerio.load(html);

        const token = $('meta[name="csrf-token"]').attr("content") || "";
        const loadId = $("#load_id").val();
        const loadDir = $("#load_dir").val();
        const totalPages = $("#t_pages").val() || "0";

        const body = new URLSearchParams({
            id: loadId,
            dir: loadDir,
            visible_pages: "0",
            t_pages: totalPages,
            type: "2",
        });

        if (token) body.append("_token", token);

        const res = await fetch(`${this.baseUrl}/gallery/`, {
            method: "POST",
            headers: {
                "Content-Type": "application/x-www-form-urlencoded",
                "Referer": `${this.baseUrl}/g/${chapterId}/`,
            },
            body
        }).then(r => r.text());

        const $$ = this.cheerio.load(res);

        return $$("img[data-src], img[src]").get()
            .map((el) => {
                let url = $$(el).attr("data-src") || $$(el).attr("src");
                if (url?.startsWith("//")) url = "https:" + url;
                return url;
            })
            .filter(url => {
                return url && url.includes("images.") && !url.includes("/images/");
            })
            .map((url, i) => {
                const newUrl = url.replace("thumb", (i + 1).toString());
                return {
                    index: i,
                    url: newUrl
                };
            });
    }
}

module.exports = asmhentai;