import axios from 'axios';
import cheerio from 'cheerio';
import { createRequire } from 'module';
import os from 'os';
import express from 'express';
import { promisify } from 'util';
import { fileTypeFromBuffer } from 'file-type';
import ffmpeg from 'fluent-ffmpeg';
import nodeID3 from 'node-id3';
import ytdl from 'ytdl-core';
import FormData from 'form-data';
import fetch from 'node-fetch';

const require = createRequire(import.meta.url);
const fs = require('fs');
const path = require('path');
const { google } = require('googleapis');
const puppeteer = require('puppeteer');

const PORT = process.env.PORT || 7860;
const app = express();
const readFileAsync = promisify(fs.readFile);

const tempDir = path.join(os.tmpdir(), "temp");
const fss = fs.promises;

// Membuat direktori sementara jika belum ada
(async () => {
    if (!fs.existsSync(tempDir)) {
        await fss.mkdir(tempDir, { recursive: true });
    }
})();

const youtube = google.youtube({ version: 'v3', auth: 'AIzaSyBPkpdJEGtAHebbaP3_CcA1_urfMFfeLLg' });

app.use('/temp', express.static(tempDir));
app.use(express.json());

app.get("/", (req, res) => {
    res.type("json");
    const keluaran = {
        success: true,
        author: "Nex",
        data: {
            igdl: "/igdl",
            twdl: "/twdl"
        },
    };
    res.send(keluaran);
});

// Fungsi untuk menghasilkan IP acak
const generateRandomIP = () => {
    const octet = () => Math.floor(Math.random() * 256);
    return `${octet()}.${octet()}.${octet()}.${octet()}`;
};

// Fungsi untuk upload file
async function uploader(buffer) {
    const { ext } = await fileTypeFromBuffer(buffer);
    const bodyForm = new FormData();
    bodyForm.append('file', buffer, `file.${ext}`);

    const response = await fetch('https://aemt.me/api/upload.php', {
        method: 'POST',
        body: bodyForm,
    });

    return {
        status: response.status,
        creator: 'Nex',
        result: await response.json(),
    };
}

// Fungsi untuk mendapatkan URL thumbnail HD
async function getHDThumbnailUrl(videoId) {
    try {
        const response = await youtube.videos.list({ part: 'snippet', id: videoId });
        return response.data.items[0].snippet.thumbnails.maxres.url;
    } catch (error) {
        console.error('Error fetching HD thumbnail URL:', error.message);
        return null;
    }
}

// Fungsi untuk mendapatkan ID video dari URL
async function GetId(data) {
    const regex = /(?:https?:\/\/)?(?:www\.)?(?:youtu(?:be\.com\/(?:watch\?(?:v=|vi=)|v\/|vi\/)|\.be\/|be\.com\/embed\/|be\.com\/shorts\/)|youtube\.com\/\?(?:v=|vi=))([\w-]{11})/;
    const res = regex.exec(data);
    if (res && res[1]) return res[1];
    throw new Error("Please check the URL you have entered");
}

// Fungsi untuk menambahkan tag ID3 ke file audio
async function addAudioTags(media, title, artist, year, imagecover) {
    try {
        let audioBuffer;
        if (typeof media === 'string') {
            const response = await axios.get(media, { responseType: 'arraybuffer', maxContentLength: -1 });
            audioBuffer = Buffer.from(response.data);
        } else if (media instanceof Buffer) {
            audioBuffer = media;
        } else {
            throw new Error('Media harus berupa URL string atau Buffer.');
        }

        const randomFilename = generateRandomName(10) + '.mp3';
        const tmpFilePath = path.join(tempDir, randomFilename);
        fs.writeFileSync(tmpFilePath, audioBuffer);

        const tags = { title, artist, year };
        if (typeof imagecover === 'string') {
            const response = await axios.get(imagecover, { responseType: 'arraybuffer' });
            const coverBuffer = Buffer.from(response.data);
            tags.image = {
                mime: 'image/jpeg',
                type: { id: 3, name: 'Front Cover' },
                description: 'Cover',
                imageBuffer: coverBuffer
            };
        } else if (imagecover instanceof Buffer) {
            tags.image = {
                mime: 'image/jpeg',
                type: { id: 3, name: 'Front Cover' },
                description: 'Cover',
                imageBuffer: imagecover
            };
        }

        const success = nodeID3.write(tags, tmpFilePath);
        console[success ? 'log' : 'error'](success ? 'Tag ID3 berhasil diubah!' : 'Gagal mengubah tag ID3.');

        return { msg: `Audio berhasil diubah.`, path: `${tmpFilePath}` };
    } catch (error) {
        console.error('Terjadi kesalahan:', error);
        throw new Error('Terjadi kesalahan saat mengubah audio.');
    }
}

// Fungsi untuk menghasilkan nama acak
function generateRandomName(length) {
    const characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
    let randomName = '';
    for (let i = 0; i < length; i++) {
        randomName += characters.charAt(Math.floor(Math.random() * characters.length));
    }
    return randomName;
}

// Fungsi untuk mendapatkan URL audio MP3 dari video YouTube
async function getAudioMP3Url(videoUrl) {
    try {
        const info = await ytdl.getInfo(videoUrl);
        const audioFormat = ytdl.chooseFormat(info.formats, { filter: 'audioonly', quality: 'highestaudio' });
        const path_audio = path.join(tempDir, generateRandomName(10) + '.mp3');
        let uploadResult;
        let convert;

        await new Promise((resolve, reject) => {
            ffmpeg()
                .input(audioFormat.url)
                .outputOptions('-f mp3')
                .outputOptions('-acodec libmp3lame')
                .outputOptions('-ab 128k')
                .outputOptions('-ar 44100')
                .on('end', async () => {
                    try {
                        const buffer = fs.readFileSync(path_audio);
                        const id_video = await GetId(videoUrl);
                        const hd_thumbnail = await getHDThumbnailUrl(id_video);
                        convert = await addAudioTags(buffer, info.videoDetails.title, info.videoDetails.ownerChannelName, 2024, hd_thumbnail);
                        const buffer2 = fs.readFileSync(convert.path);

                        fs.unlinkSync(path_audio);

                        resolve();
                    } catch (error) {
                        reject(error);
                    }
                })
                .on('error', (err) => {
                    console.error('FFmpeg conversion error:', err);
                    reject(err);
                })
                .save(path_audio);
        });

        return {
            status: 200,
            title: info.videoDetails.title,
            result: {
                url_path: `https://${process.env.SPACE_HOST}/temp/${path.basename(convert.path)}`,
                path: convert.path
            }
        };
    } catch (error) {
        console.error('Error:', error);
        throw new Error('Failed to process audio URL');
    }
}

// Endpoint untuk mengunduh audio MP3 dari YouTube
app.get('/ytmp3', async (req, res) => {
    try {
        const { url } = req.query;
        if (!url) return res.status(400).json({ error: 'Parameter url is required' });

        let result = await getAudioMP3Url(url);
        res.json(result);

        // Menghapus file setelah 10 menit
        try {
            await new Promise(resolve => setTimeout(resolve, 10 * 60 * 1000)); // 10 minutes
            await fss.unlink(result.result.path);
            console.log(`File ${result.result.path} deleted.`);
        } catch (error) {
            console.error(`Error deleting file ${result.result.path}:`, error);
        }
    } catch (error) {
        console.error('Error processing request:', error);
        res.status(500).json({
            error: 'Failed to process request\n' + error
        });
    }
});

// Fungsi untuk ping website
async function pingWebsite() {
    const browser = await puppeteer.launch({
        headless: true,
        args: ['--no-sandbox', '--disable-setuid-sandbox']
    });
    const page = await browser.newPage();
    await page.setUserAgent("Mozilla/5.0 (Linux; Android 10; SM-G965U Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/114.0.5735.141 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/420.0.0.32.61;]");
    await page.goto('https://huggingface.co/spaces/ArashiCode/api'); 
    console.log("Ping");
    await browser.close();
}

// Ping website setiap 5 jam
async function pingEvery5Hours() {
    await pingWebsite();
    setInterval(async () => {
        await pingWebsite();
    }, 5 * 60 * 60 * 1000); // 5 hours in milliseconds
}

// Mulai ping
pingEvery5Hours();

app.listen(PORT, () => {
    console.log(`Server is running on port ${PORT}`);
});