/***
  @ Base: https://spotidownloader.com/
  @ Author: Shannz
  @ Note: Spotify Downloader (MP3/FLAC) with metadata.
***/

import axios from 'axios';
import { shannz as cf } from 'bycf';

const CONFIG = {
    BASE_URL: "https://api.spotidownloader.com",
    SITE_KEY: "0x4AAAAAAA8QAiFfE5GuBRRS",
    SITE_URL: "https://spotidownloader.com/",
    HEADERS: {
        'User-Agent': 'ScRaPe/9.9 (KaliLinux; Nusantara Os; My/Shannz)',
        'Accept': 'application/json',
        'Content-Type': 'application/json',
        'sec-ch-ua-platform': '"Android"',
        'sec-ch-ua': '"Google Chrome";v="143", "Chromium";v="143", "Not A(Brand";v="24"',
        'sec-ch-ua-mobile': '?1',
        'origin': 'https://spotidownloader.com',
        'sec-fetch-site': 'same-site',
        'sec-fetch-mode': 'cors',
        'sec-fetch-dest': 'empty',
        'referer': 'https://spotidownloader.com/',
        'accept-language': 'id,en-US;q=0.9,en;q=0.8',
        'priority': 'u=1, i'
    }
};

const getTrackId = (url) => {
    const match = url.match(/(?:track|id)\/([a-zA-Z0-9]{22})/);
    return match ? match[1] : url;
};

const loading = (text) => {
    let i = 0;
    return setInterval(() => {
        process.stdout.write(`\r${text}${'.'.repeat(i % 4)}   `);
        i++;
    }, 500);
};

export const spotify = {
    getSession: async () => {
        try {
            const turnstileToken = await cf.turnstileMin(
                CONFIG.BASE_URL + "/session",
                CONFIG.SITE_KEY,
                null
            );

            if (!turnstileToken) throw new Error("Gagal generate Turnstile token");

            const { data } = await axios.post(
                `${CONFIG.BASE_URL}/session`,
                { token: turnstileToken },
                { headers: CONFIG.HEADERS }
            );

            return data.token;
        } catch (error) {
            console.error(`\nError Get Session: ${error.message}`);
            return null;
        }
    },
    
    download: async (urlOrId) => {
        const load = loading('[Spotify] Sedang memproses');
        try {
            const trackId = getTrackId(urlOrId);
            const token = await spotify.getSession();
            if (!token) {
                clearInterval(load);
                return { status: false, msg: 'Gagal mendapatkan sesi.' };
            }

            const authHeaders = {
                ...CONFIG.HEADERS,
                'Authorization': `Bearer ${token}`
            };

            const metaRes = await axios.post(
                `${CONFIG.BASE_URL}/metadata`,
                { type: "track", id: trackId },
                { headers: authHeaders }
            );
            
            const metadata = metaRes.data;
            if (!metadata.success) {
                clearInterval(load);
                return { status: false, msg: 'Metadata tidak ditemukan.' };
            }

            let isFlac = false;
            try {
                const flacRes = await axios.post(
                    `${CONFIG.BASE_URL}/isFlacAvailable`,
                    { id: trackId },
                    { headers: authHeaders }
                );
                isFlac = flacRes.data.flacAvailable;
            } catch (e) { }

            const downRes = await axios.post(
                `${CONFIG.BASE_URL}/download`,
                { id: trackId },
                { headers: authHeaders }
            );

            clearInterval(load);
            process.stdout.write('\n');

            return {
                status: true,
                metadata: {
                    title: metadata.title,
                    artist: metadata.artists,
                    album: metadata.album,
                    cover: metadata.cover,
                    releaseDate: metadata.releaseDate,
                    isFlacAvailable: isFlac
                },
                download: {
                    mp3: downRes.data.link,
                    flac: downRes.data.linkFlac || null
                }
            };

        } catch (error) {
            clearInterval(load);
            process.stdout.write('\n');
            console.error(`Error Download: ${error.message}`);
            if (error.response) console.error(error.response.data);
            return { status: false, msg: error.message };
        }
    }
};