// Script Migrasi Anime JSON -> Supabase & GitHub Releases
// Menggunakan GitHub Releases sebagai "Hosting Video" gratis.

const { createClient } = require('@supabase/supabase-js');
const { Octokit } = require('octokit');
const fs = require('fs');
const path = require('path');
const axios = require('axios');
const { execSync } = require('child_process');
const mime = require('mime-types');

// --- HARDCODED KEYS (GITHUB) ---
const SUPABASE_URL = "https://ajeukqjcqweuofclpdjo.supabase.co";
const SUPABASE_KEY = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6ImFqZXVrcWpjcXdldW9mY2xwZGpvIiwicm9sZSI6ImFub24iLCJpYXQiOjE3NzA5MTA5NjMsImV4cCI6MjA4NjQ4Njk2M30.DfSpKC2u3u3MKynG9gkZsG_a4M5_AtQbs9QI1OYpwZQ";

// --- GITHUB CONFIG (WAJIB DIGANTI) ---
const GH_TOKEN = "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"; // Token GitHub Tuan
const GH_OWNER = "yanzzv520-cyber"; // Username Pemilik Repo
const GH_REPO = "mikunime"; // Nama Repo

// Init
const supabase = createClient(SUPABASE_URL, SUPABASE_KEY);
const octokit = new Octokit({ auth: GH_TOKEN });

// Config Clone
const PROJEK_REPO_URL = "https://github.com/Yanzz15/Projek.git";
const TEMP_DIR = "./temp_projek";
const JSON_DIR = path.join(TEMP_DIR, "anime_json");

async function main() {
    console.log("🚀 Memulai Migrasi Anime (GITHUB RELEASES)...");

    // 1. Cek & Init Repo GitHub (Wajib ada file biar bisa Release)
    try {
        await octokit.request('GET /repos/{owner}/{repo}/contents/{path}', {
            owner: GH_OWNER,
            repo: GH_REPO,
            path: 'README.md'
        });
        console.log("✅ Repo GitHub sudah siap (ada README.md).");
    } catch (err) {
        if (err.status === 404) {
            console.log("⚠️ Repo GitHub kosong! Membuat README.md...");
            try {
                await octokit.request('PUT /repos/{owner}/{repo}/contents/{path}', {
                    owner: GH_OWNER,
                    repo: GH_REPO,
                    path: 'README.md',
                    message: 'Initial commit for Anime Vault',
                    content: Buffer.from('# Anime Vault\n\nTempat penyimpanan video anime.').toString('base64')
                });
                console.log("✅ Berhasil inisialisasi Repo GitHub!");
            } catch (createErr) {
                console.error("❌ Gagal Init Repo:", createErr.message);
                process.exit(1);
            }
        } else {
            console.error("❌ Gagal Cek Repo GitHub:", err.message);
        }
    }

    // 2. Clone Repo Projek (Sumber Data)
    if (!fs.existsSync(TEMP_DIR)) {
        console.log("📥 Cloning Repo Projek...");
        try { execSync(`git clone ${PROJEK_REPO_URL} ${TEMP_DIR}`); } 
        catch (e) { console.error("❌ Gagal Clone:", e.message); process.exit(1); }
    }

    // 2. Baca Semua Anime
    const files = fs.readdirSync(JSON_DIR).filter(f => f.endsWith('.json'));
    console.log(`📑 Total Anime: ${files.length}`);

    // 3. Loop Anime
    for (const file of files) {
        try {
            const rawData = fs.readFileSync(path.join(JSON_DIR, file), 'utf-8');
            const animeData = JSON.parse(rawData);

            const cleanTitle = cleanMetadata(animeData.title);
            const cleanSlug = cleanMetadataSlug(animeData.slug);

            console.log(`
🎬 [${cleanTitle}] (${cleanSlug})`);

            // Cek DB dulu (Skip kalau udah ada)
            const { data: existingAnime } = await supabase
                .from('animes')
                .select('id')
                .eq('slug', cleanSlug)
                .maybeSingle();

            if (existingAnime) {
                console.log(`⏭️  Anime sudah ada di DB, skip.`);
                continue; 
            }

            // --- BUAT RELEASE BARU PER ANIME (Atau pakai release 'all-videos' biar simple?) ---
            // Karena GitHub Release limit 2GB/asset, tapi 1 release bisa banyak asset.
            // Biar rapi, kita buat 1 Release = 1 Anime. Tag = Slug Anime.
            
            let releaseData;
            try {
                // Cek apakah release tag sudah ada?
                releaseData = await octokit.request('GET /repos/{owner}/{repo}/releases/tags/{tag}', {
                    owner: GH_OWNER,
                    repo: GH_REPO,
                    tag: cleanSlug
                });
                console.log(`🏷️  Release '${cleanSlug}' sudah ada, pakai yang lama.`);
                releaseData = releaseData.data;
            } catch (err) {
                if (err.status === 404) {
                    // Buat Release Baru
                    console.log(`✨ Membuat Release Baru: ${cleanSlug}`);
                    const newRelease = await octokit.request('POST /repos/{owner}/{repo}/releases', {
                        owner: GH_OWNER,
                        repo: GH_REPO,
                        tag_name: cleanSlug,
                        name: cleanTitle,
                        body: `Video streaming untuk anime ${cleanTitle}`,
                        draft: false,
                        prerelease: false
                    });
                    releaseData = newRelease.data;
                } else {
                    console.error(`❌ Gagal Cek Release: ${err.message}`);
                    continue; // Skip anime ini kalau error GitHub
                }
            }

            // --- UPLOAD VIDEO KE RELEASE ---
            let allEpisodes = [];
            const episodes = animeData.episodes || [];

            for (const ep of episodes) {
                console.log(`📹 Processing Ep ${ep.episode}...`);
                
                let epMetadata = {
                    number: ep.episode,
                    title: cleanMetadata(ep.title),
                    streams: { "480p": null, "720p": null }
                };

                // Proses Upload (480p & 720p)
                if (ep.streams?.["480p"]) {
                    epMetadata.streams["480p"] = await uploadToGithub(ep.streams["480p"], releaseData, `ep${ep.episode}-480p.mp4`);
                }
                if (ep.streams?.["720p"]) {
                    epMetadata.streams["720p"] = await uploadToGithub(ep.streams["720p"], releaseData, `ep${ep.episode}-720p.mp4`);
                }

                allEpisodes.push(epMetadata);
            }

            // --- SIMPAN KE SUPABASE ---
            const { error: insertError } = await supabase
                .from('animes')
                .insert({
                    slug: cleanSlug,
                    title: cleanTitle,
                    poster: animeData.poster,
                    synopsis: animeData.synopsis,
                    metadata: { original_url: animeData.url },
                    episodes: allEpisodes
                });

            if (insertError) console.error(`❌ Gagal Insert DB: ${insertError.message}`);
            else console.log(`💾 Anime & Episodes tersimpan di DB!`);

        } catch (err) {
            console.error(`❌ Error File ${file}:`, err.message);
        }
    }
    console.log("🎉 SELESAI SEMUA!");
}

// --- FUNGSI BANTUAN ---

function cleanMetadata(str) {
    if (!str) return "";
    return str.replace(/Subtitle Indonesia/gi, '').replace(/Sub Indo/gi, '').replace(/\(END\)/gi, '').trim();
}

function cleanMetadataSlug(str) {
    if (!str) return "";
    return str.replace(/-subtitle-indonesia/gi, '').replace(/-sub-indo/gi, '').replace(/-end-/gi, '-').replace(/-$/gi, '').trim();
}

async function uploadToGithub(url, release, filename) {
    // Cek apakah asset sudah ada di release ini? (Biar gak double upload)
    const existingAsset = release.assets?.find(a => a.name === filename);
    if (existingAsset) {
        // console.log(`⏩ Asset ${filename} sudah ada.`);
        return existingAsset.browser_download_url;
    }

    try {
        // Download Video ke Memory
        const response = await axios({
            method: 'get',
            url: url,
            responseType: 'arraybuffer',
            timeout: 60000,
            headers: {
                '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': 'https://x3.sokuja.uk/'
            }
        });

        // Upload ke GitHub Release
        // console.log(`📤 Uploading ${filename} (${response.data.byteLength} bytes)...`);
        
        const upload = await octokit.request('POST ' + release.upload_url, {
            headers: {
                'content-type': 'video/mp4',
                'content-length': response.data.byteLength
            },
            name: filename,
            data: response.data
        });

        return upload.data.browser_download_url;

    } catch (error) {
        console.error(`⚠️ Gagal Upload GitHub ${filename}: ${error.message}`);
        return null;
    }
}

main();