class MangaPill {
    constructor() {
        this.baseUrl = "https://mangapill.com";
        this.type = "book-board";
        this.version = "1.0";
        this.mediaType = "manga";
    }

    async fetch(url) {
        return fetch(url, {
            headers: {
                "User-Agent": "Mozilla/5.0",
                Referer: this.baseUrl,
            },
        });
    }

    async search(queryObj) {
        const q = queryObj.query || "";
        const res = await this.fetch(
            `${this.baseUrl}/search?q=${encodeURIComponent(q)}`
        );
        const html = await res.text();
        const $ = this.cheerio.load(html);

        const results = [];

        $("div.container div.my-3.justify-end > div").each((_, el) => {
            const link = $(el).find("a").attr("href");
            if (!link) return;

            const id = link.split("/manga/")[1].replace(/\//g, "$");
            const title = $(el).find("div > a > div.mt-3").text().trim();
            const image = $(el).find("a img").attr("data-src") || null;

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

        return results;
    }

    async getMetadata(id) {
        const uriId = id.replace(/\$/g, "/");
        let res = await fetch(`${this.baseUrl}/manga/${uriId}`, {
            headers: this.headers,
            redirect: "manual",
        });

        // follow redirect manually
        if (res.status === 301 || res.status === 302) {
            const loc = res.headers.get("location");
            if (loc) {
                res = await fetch(`${this.baseUrl}${loc}`, {
                    headers: this.headers,
                });
            }
        }

        if (!res.ok) {
            return {
                id,
                title: "",
                format: "MANGA",
                score: 0,
                genres: "",
                status: "unknown",
                published: "",
                summary: "",
                chapters: "???",
                image: null,
            };
        }

        const html = await res.text();
        const $ = this.cheerio.load(html);

        const title = $("h1.font-bold").first().text().trim();

        const summary =
            $("div.mb-3 p.text-sm").first().text().trim() || "";

        const status =
            $("label:contains('Status')")
                .next("div")
                .text()
                .trim() || "unknown";

        const published =
            $("label:contains('Year')")
                .next("div")
                .text()
                .trim() || "";

        const genres = [];
        $("label:contains('Genres')")
            .parent()
            .find("a")
            .each((_, a) => genres.push($(a).text().trim()));

        const image =
            $("img[data-src]").first().attr("data-src") || null;

        return {
            id,
            title,
            format: "MANGA",
            score: 0,
            genres: genres.join(", "),
            status,
            published,
            summary,
            chapters: "???",
            image
        };
    }

    async findChapters(mangaId) {
        const uriId = mangaId.replace(/\$/g, "/");
        const res = await this.fetch(`${this.baseUrl}/manga/${uriId}`);
        const html = await res.text();
        const $ = this.cheerio.load(html);

        const chapters = [];

        $("div#chapters a").each((_, el) => {
            const href = $(el).attr("href");
            if (!href) return;

            const id = href.split("/chapters/")[1].replace(/\//g, "$");
            const title = $(el).text().trim();
            const match = title.match(/Chapter\s+([\d.]+)/);
            const number = match ? Number(match[1]) : 0;

            chapters.push({
                id,
                title,
                number,
                releaseDate: null,
                index: 0,
            });
        });

        chapters.reverse();
        chapters.forEach((c, i) => (c.index = i));
        return chapters;
    }

    async findChapterPages(chapterId) {
        const uriId = chapterId.replace(/\$/g, "/");
        const res = await this.fetch(`${this.baseUrl}/chapters/${uriId}`);
        const html = await res.text();
        const $ = this.cheerio.load(html);

        const pages = [];

        $("chapter-page").each((i, el) => {
            const img = $(el).find("div picture img").attr("data-src");
            if (!img) return;

            pages.push({
                url: img,
                index: i,
                headers: {
                    Referer: "https://mangapill.com/",
                    Origin: "https://mangapill.com",
                    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
                    Accept: "image/avif,image/webp,image/apng,image/*,*/*;q=0.8",
                },
            });
        });

        return pages;
    }
}

module.exports = MangaPill;