#!/usr/bin/env node

/**
 * Test UPI Configuration
 * Checks if personal UPI ID is configured correctly
 */

require('dotenv').config();

console.log('\n========================================');
console.log('  UPI Configuration Test');
console.log('========================================\n');

const upiId = process.env.PHONEPE_UPI_ID;

if (!upiId) {
  console.log('❌ ERROR: PHONEPE_UPI_ID not found in .env file');
  console.log('\nPlease add your personal UPI ID to .env file:');
  console.log('PHONEPE_UPI_ID=your_upi_id@paytm\n');
  console.log('Examples:');
  console.log('  - 9876543210@ybl (PhonePe)');
  console.log('  - yourname@paytm (Paytm)');
  console.log('  - yourname@oksbi (SBI)');
  console.log('  - yourname@axisbank (Axis)\n');
  process.exit(1);
}

console.log('✅ UPI ID Found:', upiId);
console.log('\n========================================');
console.log('  Configuration Check');
console.log('========================================\n');

// Validate UPI ID format
const upiRegex = /^[\w.-]+@[\w.-]+$/;
if (upiRegex.test(upiId)) {
  console.log('✅ UPI ID format is valid');
} else {
  console.log('⚠️  WARNING: UPI ID format might be invalid');
  console.log('   Expected format: username@provider');
}

// Test QR code generation
const PaymentReconciliationService = require('./src/services/payment-reconciliation-service');

const testGroupId = 'test-group-123';
const testUserId = 'test-user-456';
const testMonth = new Date().getMonth() + 1;
const testYear = new Date().getFullYear();
const testAmount = 10250.00;

console.log('\n========================================');
console.log('  Test Payment Details');
console.log('========================================\n');

const upiReference = PaymentReconciliationService.generateUPIReference(
  testGroupId,
  testUserId,
  testMonth,
  testYear
);

console.log('📝 Test Reference:', upiReference);

const qrData = PaymentReconciliationService.getQRCodeData(
  upiId,
  testAmount,
  'LuckyChit Payment',
  upiReference
);

console.log('\n📱 QR Code Data (first 100 chars):');
console.log(qrData.substring(0, 100) + '...');

console.log('\n========================================');
console.log('  Summary');
console.log('========================================\n');

console.log('✅ UPI ID:', upiId);
console.log('✅ QR Code Generation: Working');
console.log('✅ Reference Generation: Working');
console.log('✅ Configuration: Complete\n');

console.log('========================================');
console.log('  Next Steps');
console.log('========================================\n');

console.log('1. Start your backend server:');
console.log('   npm start\n');

console.log('2. Test from Flutter app:');
console.log('   - Login as member');
console.log('   - Go to group details');
console.log('   - Click "Pay Installment"');
console.log('   - Select "Pay via QR Code"\n');

console.log('3. You should see:');
console.log('   - Your UPI ID:', upiId);
console.log('   - A QR code to scan');
console.log('   - Payment reference number\n');

console.log('4. Test payment:');
console.log('   - Scan QR with any UPI app');
console.log('   - Complete payment');
console.log('   - Wait 5-10 seconds');
console.log('   - Payment should auto-detect!\n');

console.log('========================================\n');
console.log('💰 Cost: ₹0 (100% FREE forever!)');
console.log('📊 Transaction Fee: 0%');
console.log('⚡ Detection Time: 5-10 seconds\n');

console.log('========================================\n');