/** 
 * Name: Saweria Top-Up Game ( Opsional Game ML )
 * Bisa Di Ganti Game ya, streamerId wajib di isi supaya saldo komisi nya masuk ke saweria kita , cara dapatin nya tinggal cek di Saweria nya buat seperti pesanan palsu dan cek log request ya biasanya ada
 * Credit By Zx
 *
 * Sumber: https://whatsapp.com/channel/0029VbDLqe7EquiSF4STU13o
 * Kalau Mau Di Sher Jangan hapus sumber / Credit nya
**/

const axios = require('axios');
const QRCode = require('qrcode');
const path = require('path');

class SaweriaAutomation {
  constructor(username = 'zixvorx') {
    this.username = username;
    this.streamerId = ''; // ( wajib: supaya qris nya masuk ke qris donasi kita ambil dsri request dsri Saweria)
    
    this.backend = axios.create({
      baseURL: 'https://backend.saweria.co',
      headers: {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
        'Accept': 'application/json, text/plain, */*',
        'Content-Type': 'application/json',
        'Origin': 'https://saweria.co',
        'Referer': `https://saweria.co/${this.username}/toko-top-up/mobile-legends-bang-bang`
      },
      timeout: 15000
    });
  }

  // AMBIL PRODUK
  async getProducts(gameSlug = 'mobile-legends-bang-bang') {
    const res = await this.backend.get(`/game-vouchers/${gameSlug}`, {
      params: { streamer_id: this.streamerId, username: this.username }
    });
    return res.data.data.game_vouchers.products
      .filter(p => p.status === 'ACTIVE')
      .map(p => ({
        id: p.product_id,
        sku: p.sku,                 
        name: p.product_name,
        slug: p.slug,
        sellingPrice: Number(p.pricing.selling_price),
        donationAmount: Number(p.donation_amount),
        thumbnail: p.image.thumbnail,
        vat: p.vat?.rate || 0       
      }));
  }

  // HITUNG FEE
  async calculateFee(amount, paymentType = 'qris', message = 'pesanan') {
    const res = await this.backend.post(
      `/game-vouchers/${this.username}/calculate_pg_amount`,
      { amount: Number(amount), payment_type: paymentType, message: String(message) }
    );
    return res.data.data;
  }

  // BUAT ORDER
  async createOrder({
    product,
    userId = '1151655541', // id akun game
    zoneId = '13664', <zone id akun ml > ( bisa berubah kapan aja 🗿😹)
    donatorEmail = 'pribadiarep@gmail.com',
    donatorName = 'zixvorx',
    message = 'pesanan 1'
  }) {
    const feeData = await this.calculateFee(product.sellingPrice, 'qris', message);

    const payload = {
      product_id: product.id,
      product_sku: String(product.sku),
      amount: Number(product.sellingPrice),
      payment_type: 'qris',
      vat: product.vat,
      vatAmount: feeData.vat_amount || 0,
      message: String(message),
      digital_form: [
        { key: "userId", value: String(userId) },
        { key: "zoneId", value: String(zoneId) }
      ],
      customer_info: {
        first_name: String(donatorName).trim(),
        email: String(donatorEmail).trim(),
        phone: ""
      }
    };

    try {
      const res = await this.backend.post(`/game-vouchers/snap/${this.streamerId}`, payload);
      
      return {
        orderId: res.data.data.id,
        amount: res.data.data.amount,
        status: res.data.data.status,
        qrString: res.data.data.etc.qr_string,
        expiredAt: res.data.data.etc.payment_expired_at,
        productName: res.data.data.etc.game_voucher.product_name
      };
    } catch (err) {
      console.error('\n🔴 Detail Error Create Order:', err.response?.data || err.message);
      throw new Error(`Gagal buat order: ${err.response?.statusText || err.message}`);
    }
  }

  // FORMAT WAKTU
  formatWaktu(dateString, pakaiPukul = false) {
    const date = new Date(dateString);
    const bulanArr = ['Jan', 'Feb', 'Mar', 'Apr', 'Mei', 'Jun', 'Jul', 'Agt', 'Sep', 'Okt', 'Nov', 'Des'];
    const bulanArrFull = ['Januari', 'Februari', 'Maret', 'April', 'Mei', 'Juni', 'Juli', 'Agustus', 'September', 'Oktober', 'November', 'Desember'];
    
    const tgl = date.getDate();
    const bln = pakaiPukul ? bulanArrFull[date.getMonth()] : bulanArr[date.getMonth()];
    const thn = date.getFullYear();
    const jam = String(date.getHours()).padStart(2, '0');
    const mnt = String(date.getMinutes()).padStart(2, '0');

    if (pakaiPukul) {
      return `${tgl} ${bln} ${thn} pukul ${jam}.${mnt} WIB`;
    }
    return `${tgl} ${bln} ${thn}, ${jam}.${mnt} WIB`;
  }

  hitungSisaWaktu(expiredString) {
    const expired = new Date(expiredString).getTime();
    const sekarang = new Date().getTime();
    const selisih = expired - sekarang;
    if (selisih <= 0) return "Kedaluwarsa";
    const menit = Math.floor(selisih / (1000 * 60));
    const detik = Math.floor((selisih % (1000 * 60)) / 1000);
    return `${menit}m ${detik}d`;
  }

  // GENERATE GAMBAR QRIS
  async generateQRImage(qrString, orderId) {
    const fileName = `QRIS_${orderId.split('-')[0]}.png`;
    const filePath = path.join(__dirname, fileName);
    await QRCode.toFile(filePath, qrString, {
      color: { dark: '#000000', light: '#FFFFFF' },
      width: 400,
      margin: 2
    });
    return fileName;
  }

  // LACAK ORDER & TAMPILKAN HASIL
  async trackOrder(orderId) {
    try {
      const res = await this.backend.get(`/game-vouchers/tracking-order/${orderId}`);
      const data = res.data.data;

      const berlakuHingga = this.formatWaktu(data.expired_at, true);
      const tanggalDibuat = this.formatWaktu(data.created_at, false);
      
      let tanggalDiselesaikan = "-";
      let statusPengiriman = "Belum Diproses";

      if (data.status === 'SUCCESS' || data.payment_status === 'PAID' || data.payment_status === 'SETTLED') {
          statusPengiriman = "Berhasil";
          tanggalDiselesaikan = this.formatWaktu(data.payment_updated_at, false);
      }

      let outputText = `Berlaku Hingga: ${berlakuHingga}\n\n`;
      outputText += `${this.hitungSisaWaktu(data.expired_at)}\n\n`;
      outputText += `Dukungan untuk ${data.username}: Rp${data.amount_raw.toLocaleString('id-ID')}\n\n`;
      outputText += `ID: ${data.id}\n\n`;
      outputText += `Detail Transaksi\n\n`;
      outputText += `Status pengiriman\n\n${statusPengiriman}\n\n`;
      outputText += `Tanggal dibuat\n\n${tanggalDibuat}\n\n`;
      outputText += `Tanggal diselesaikan\n\n${tanggalDiselesaikan}`;

      console.log(outputText);

      if (data.etc && data.etc.qr_string) {
        const savedFile = await this.generateQRImage(data.etc.qr_string, data.id);
        console.log(`\n=========================================`);
        console.log(`✅ String QRIS berhasil diconvert menjadi gambar!`);
        console.log(`📁 File tersimpan sebagai: ${savedFile}`);
        console.log(`=========================================\n`);
        return { success: true, text: outputText, qrPath: savedFile, data };
      } else {
        console.log(`\n⚠️ QR String tidak ditemukan, pesanan mungkin sudah dibayar atau kedaluwarsa.`);
        return { success: false, text: outputText, message: "QR String tidak ada", data };
      }
    } catch (err) {
      console.error('❌ Gagal melacak pesanan:', err.message);
      return { success: false, message: err.message };
    }
  }
}

async function main() {
  const scraper = new SaweriaAutomation('zixvorx');

  try {
    console.log('🎮 [1/5] Mengambil produk...');
    const products = await scraper.getProducts();
    const product = products[0]; 
    console.log(`   ✅ Dipilih: ${product.name} (Rp${product.sellingPrice.toLocaleString('id-ID')})`);

    console.log('\n💰 [2/5] Menghitung biaya...');
    const fee = await scraper.calculateFee(product.sellingPrice);
    console.log(`   ✅ Total Bayar: Rp${fee.amount_to_pay.toLocaleString('id-ID')} (Fee: Rp${fee.pg_fee.toLocaleString('id-ID')})`);

    console.log('\n🛒 [3/5] Membuat pesanan QRIS...');
    const order = await scraper.createOrder({
      product: product,
      userId: '1151655541',          // ID game emel kalian
      zoneId: '13664',               // ini zona id emel kalian ( bisa bisa sesuaikan dengan game yang di pilih )
      donatorEmail: 'zixvorx@gmail.com', // Gmail Akun Saweria kalian 
      donatorName: 'zixvorx', // username Saweria Pukimak Kalian😹
      message: 'pesanan 1'
    });

    console.log(`   ✅ Order ID  : ${order.orderId}`);
    console.log(`   ✅ Total     : Rp${order.amount.toLocaleString('id-ID')}`);
    console.log(`   ✅ Expired   : ${new Date(order.expiredAt).toLocaleString('id-ID')}`);
    console.log(`   ✅ Status    : ${order.status}`);

    console.log('\n🔍 [4/5] Melacak pesanan & mengambil data QRIS...\n');
    const trackResult = await scraper.trackOrder(order.orderId);

    if (trackResult.success) {
      console.log('💡 [5/5] Selesai! Buka file gambar QRIS yang tersimpan di folder project dan scan menggunakan e-wallet kamu.');
    } else {
      console.log('⚠️ Gagal mendapatkan QRIS. Silakan cek log di atas.');
    }

  } catch (err) {
    console.error('\n❌ ERROR FATAL:', err.message);
  }
}

main();