class MangaPill {
    constructor() {
        this.baseUrl = "https://mangapill.com";
        this.type = "book-board";
        this.version = "1.1";
        this.mediaType = "manga";
    }

    getFilters() {
        return {
            type: {
                label: "Type",
                type: "select",
                options: [
                    { value: "", label: "All" },
                    { value: "manga", label: "Manga" },
                    { value: "novel", label: "Novel" },
                    { value: "one-shot", label: "One-Shot" },
                    { value: "doujinshi", label: "Doujinshi" },
                    { value: "manhwa", label: "Manhwa" },
                    { value: "manhua", label: "Manhua" },
                    { value: "oel", label: "OEL" }
                ]
            },
            status: {
                label: "Status",
                type: "select",
                options: [
                    { value: "", label: "All" },
                    { value: "publishing", label: "Publishing" },
                    { value: "finished", label: "Finished" },
                    { value: "on hiatus", label: "On Hiatus" },
                    { value: "discontinued", label: "Discontinued" },
                    { value: "not yet published", label: "Not Yet Published" }
                ]
            },
            genre: {
                label: "Genres",
                type: "multiselect",
                options: [
                    { value: "Action", label: "Action" },
                    { value: "Adventure", label: "Adventure" },
                    { value: "Cars", label: "Cars" },
                    { value: "Comedy", label: "Comedy" },
                    { value: "Dementia", label: "Dementia" },
                    { value: "Demons", label: "Demons" },
                    { value: "Drama", label: "Drama" },
                    { value: "Ecchi", label: "Ecchi" },
                    { value: "Fantasy", label: "Fantasy" },
                    { value: "Game", label: "Game" },
                    { value: "Harem", label: "Harem" },
                    { value: "Hentai", label: "Hentai" },
                    { value: "Historical", label: "Historical" },
                    { value: "Horror", label: "Horror" },
                    { value: "Josei", label: "Josei" },
                    { value: "Kids", label: "Kids" },
                    { value: "Magic", label: "Magic" },
                    { value: "Martial Arts", label: "Martial Arts" },
                    { value: "Mecha", label: "Mecha" },
                    { value: "Military", label: "Military" },
                    { value: "Music", label: "Music" },
                    { value: "Mystery", label: "Mystery" },
                    { value: "Parody", label: "Parody" },
                    { value: "Police", label: "Police" },
                    { value: "Psychological", label: "Psychological" },
                    { value: "Romance", label: "Romance" },
                    { value: "Samurai", label: "Samurai" },
                    { value: "School", label: "School" },
                    { value: "Sci-Fi", label: "Sci-Fi" },
                    { value: "Seinen", label: "Seinen" },
                    { value: "Shoujo", label: "Shoujo" },
                    { value: "Shoujo Ai", label: "Shoujo Ai" },
                    { value: "Shounen", label: "Shounen" },
                    { value: "Shounen Ai", label: "Shounen Ai" },
                    { value: "Slice of Life", label: "Slice of Life" },
                    { value: "Space", label: "Space" },
                    { value: "Sports", label: "Sports" },
                    { value: "Super Power", label: "Super Power" },
                    { value: "Supernatural", label: "Supernatural" },
                    { value: "Thriller", label: "Thriller" },
                    { value: "Vampire", label: "Vampire" },
                    { value: "Yaoi", label: "Yaoi" },
                    { value: "Yuri", label: "Yuri" }
                ]
            }
        };
    }

    get headers() {
        return {
            "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",
            "Referer": this.baseUrl + "/"
        };
    }

    async search({ query, page = 1, filters }) {
        const url = new URL(`${this.baseUrl}/search`);

        if (query) url.searchParams.set("q", query.trim());
        url.searchParams.set("page", page.toString());

        if (filters) {
            if (filters.type) url.searchParams.set("type", filters.type);
            if (filters.status) url.searchParams.set("status", filters.status);

            if (filters.genre) {
                // MangaPill espera ?genre=Action&genre=Comedy
                const genres = String(filters.genre).split(',');
                genres.forEach(g => {
                    if (g.trim()) url.searchParams.append("genre", g.trim());
                });
            }
        }

        const res = await fetch(url.toString(), { headers: this.headers });
        if (!res.ok) throw new Error(`Search failed: ${res.status}`);

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

        const results = [];

        // Selector actualizado basado en la extensión de Kotlin (.grid > div:not([class]))
        // Buscamos dentro del grid de resultados
        $(".grid > div:not([class]), div.container div.my-3.justify-end > div").each((_, el) => {
            const a = $(el).find("a").first();
            const href = a.attr("href");
            if (!href) return;

            // Extraer ID (manga/123/title -> 123$title)
            const parts = href.split("/manga/");
            if (parts.length < 2) return;
            const id = parts[1].replace(/\//g, "$");

            // Título: A veces es un div hermano, a veces dentro del anchor
            let title = $(el).find("div > a > div").text().trim(); // Selector antiguo
            if (!title) title = $(el).find("a:not(:first-child) > div").text().trim(); // Selector nuevo
            if (!title) title = $(el).find(".font-bold, div[class*='font-bold']").text().trim(); // Fallback

            const img = $(el).find("img").attr("data-src") || $(el).find("img").attr("src");

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

        // Eliminar duplicados si el selector doble atrapó cosas repetidas
        const uniqueResults = [];
        const seen = new Set();
        for (const r of results) {
            if (!seen.has(r.id)) {
                seen.add(r.id);
                uniqueResults.push(r);
            }
        }

        return uniqueResults;
    }

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

        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) throw new Error("Failed to fetch metadata");

        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() || "";

        // Status y Published suelen estar en labels
        const status = $("label:contains('Status')").next("div").text().trim().toLowerCase() || "unknown";
        const published = $("label:contains('Year')").next("div").text().trim() || "";

        const genres = [];
        $("a[href*='genre']").each((_, el) => {
            genres.push($(el).text().trim());
        });

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

        return {
            id,
            title,
            format: "MANGA",
            score: 0,
            genres: genres, // Array de strings
            status,
            published,
            summary,
            chapters: 0, // Se calcula dinámicamente si es necesario
            image
        };
    }

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

        const chapters = [];

        $("#chapters > div > 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 fetch(`${this.baseUrl}/chapters/${uriId}`, { headers: this.headers });
        const html = await res.text();
        const $ = this.cheerio.load(html);

        const pages = [];

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

            pages.push({
                url: img,
                index: i,
                headers: {
                    "Referer": this.baseUrl + "/",
                    "User-Agent": this.headers["User-Agent"]
                },
            });
        });

        return pages;
    }
}

module.exports = MangaPill;