class MissAV {
    constructor() {
        this.type = "anime-board";
        this.version = "1.0";
        this.baseUrl = "https://missav.live";
    }

    getSettings() {
        return {
            supportsDub: false,
            episodeServers: ["Default"],
        };
    }

    /* ================= FILTERS ================= */

    getFilters() {
        return [
            {
                key: "sort",
                name: "Sort by",
                type: "select",
                options: [
                    { value: "", label: "Any" },
                    { value: "released_at", label: "Release date" },
                    { value: "published_at", label: "Recent update" },
                    { value: "today_views", label: "Today views" },
                    { value: "weekly_views", label: "Weekly views" },
                    { value: "monthly_views", label: "Monthly views" },
                    { value: "views", label: "Total views" },
                ],
            },
            {
                key: "genre",
                name: "Genres",
                type: "select",
                options: [
                    { value: "", label: "<Select>" },
                    { value: "en/uncensored-leak", label: "Uncensored Leak" },
                    { value: "en/genres/Hd", label: "Hd" },
                    { value: "en/genres/Exclusive", label: "Exclusive" },
                    { value: "en/genres/Creampie", label: "Creampie" },
                    { value: "en/genres/Big%20Breasts", label: "Big Breasts" },
                    { value: "en/genres/Individual", label: "Individual" },
                    { value: "en/genres/Wife", label: "Wife" },
                    { value: "en/genres/Mature%20Woman", label: "Mature Woman" },
                    { value: "en/genres/Pretty%20Girl", label: "Pretty Girl" },
                    { value: "en/genres/Orgy", label: "Orgy" },
                    { value: "en/genres/Lesbian", label: "Lesbian" },
                    { value: "en/genres/Ntr", label: "NTR" },
                    { value: "en/genres/Cosplay", label: "Cosplay" },
                    { value: "en/genres/Uniform", label: "Uniform" },
                    { value: "en/genres/Swimsuit", label: "Swimsuit" },
                    { value: "en/genres/4K", label: "4K" },
                    { value: "en/genres/Vr", label: "VR" },
                ],
            },
            {
                type: "note",
                text: "Genre filters ignored with text search!",
            },
        ];
    }

    /* ================= SEARCH ================= */

    async search(query) {
        const filters = query?.filters || {};
        const hasText = !!(query?.query && query.query.trim());

        let url;
        if (hasText) {
            url = `${this.baseUrl}/en/search/${encodeURIComponent(query.query)}`;
        } else if (filters.genre) {
            url = `${this.baseUrl}/${filters.genre}`;
        } else {
            const params = new URLSearchParams();
            if (filters.sort) params.set("sort", filters.sort);
            url = `${this.baseUrl}/en?${params.toString()}`;
        }

        const { result, requests } = await this.scrape(
            url,
            async (page) => {

                const html = await page.content();

                const items = await page.$$eval(
                    'div.thumbnail',
                    nodes => nodes.map(n => {
                        const a = n.querySelector('a[href^="https://missav.live/en/"]');
                        if (!a) return null;

                        const href = a.getAttribute("href");

                        const img =
                            n.querySelector('img')?.getAttribute("data-src") ||
                            n.querySelector('img')?.getAttribute("src");

                        const title =
                            n.querySelector('div.text-sm a')?.textContent?.trim() ||
                            n.querySelector('a')?.textContent?.trim();

                        if (!href || !img || !title) return null;

                        return {
                            id: href.replace("https://missav.live", ""),
                            title,
                            image: img,
                            url: href,
                        };
                    }).filter(Boolean)
                );

                return items;
            },
            {
                waitUntil: "domcontentloaded",
                renderWaitTime: 1500,
                scrollToBottom: true,
            }
        );

        return result;
    }

    /* ================= METADATA ================= */

    async getMetadata(animeId) {
        const url = animeId.startsWith("http")
            ? animeId
            : this.baseUrl + animeId;

        console.log("[MissAV][meta] url =", url);

        const { result, requests } = await this.scrape(
            url,
            async (page) => {
                console.log("[MissAV][meta] page loaded");

                const htmlSize = await page.content().then(h => h.length);
                console.log("[MissAV][meta] html size =", htmlSize);

                return await page.evaluate(() => {
                    const dbg = {};

                    const h1 = document.querySelector("h1");
                    dbg.hasH1 = !!h1;

                    const video = document.querySelector("video.player");
                    dbg.hasVideo = !!video;

                    const og = document.querySelector('meta[property="og:image"]');
                    dbg.hasOg = !!og;

                    const genreLinks = document.querySelectorAll('a[href^="/en/genres/"]');
                    dbg.genreCount = genreLinks.length;

                    const title =
                        document.querySelector("h1.text-base")?.textContent?.trim() ||
                        document.querySelector("h1")?.textContent?.trim() ||
                        "Unknown";

                    const poster =
                        video?.getAttribute("data-poster") ||
                        og?.content ||
                        null;

                    const description = "";

                    const genres = Array.from(genreLinks).map(a =>
                        a.textContent.trim()
                    );

                    return {
                        dbg,
                        title,
                        poster,
                        description,
                        genres,
                    };
                });
            },
            {
                waitUntil: "domcontentloaded",
                timeout: 20000,
            }
        );

        return {
            title: result.title,
            image: result.poster,
            description: result.description,
            genres: result.genres,
        };
    }


    /* ================= EPISODES ================= */

    async findEpisodes(animeId) {
        // MissAV es 1 video = 1 episodio
        return [
            {
                id: animeId,
                number: 1,
                title: "Video",
                url: animeId.startsWith("http")
                    ? animeId
                    : this.baseUrl + animeId,
            },
        ];
    }

    /* ================= SERVERS ================= */

    async findEpisodeServer(episode) {
        const url = episode.url.startsWith("http")
            ? episode.url
            : this.baseUrl + episode.url;

        const { requests } = await this.scrape(
            url,
            async () => true,
            {
                waitUntil: "domcontentloaded",
                timeout: 20000,
                renderWaitTime: 1500,
            }
        );

        const m3u8s = requests
            .map(r => r.url)
            .filter(u => u.includes(".m3u8"));

        if (!m3u8s.length) throw new Error("No m3u8 in network");

        // regla:
        // - si existe .../playlist.m3u8 -> master
        // - si no -> usar video.m3u8 (o el único que haya)
        let finalUrl =
            m3u8s.find(u => /\/playlist\.m3u8(\?|$)/.test(u)) ||
            m3u8s.find(u => /\/video\.m3u8(\?|$)/.test(u)) ||
            m3u8s[0];

        return {
            server: "Default",
            videoSources: [
                {
                    url: finalUrl,
                    type: "m3u8",
                    quality: "auto",
                },
            ],
        };
    }


    /* ================= UTILS ================= */

    safeString(str) {
        return typeof str === "string" ? str : "";
    }
}

module.exports = MissAV;