#!/usr/bin/env node

require('dotenv').config();
const { sendMail } = require('./src/utils/email');

async function testEmail() {
  console.log('🧪 Testing Email Configuration');
  console.log('================================');
  
  // Check environment variables
  console.log('\n🔧 Environment Variables:');
  console.log('NODE_ENV:', process.env.NODE_ENV || 'development');
  console.log('SMTP_HOST:', process.env.SMTP_HOST || 'Not set');
  console.log('SMTP_USER:', process.env.SMTP_USER || 'Not set');
  console.log('SMTP_PASS:', process.env.SMTP_PASS ? '***Set***' : 'Not set');
  console.log('GMAIL_USER:', process.env.GMAIL_USER || 'Not set');
  console.log('GMAIL_APP_PASSWORD:', process.env.GMAIL_APP_PASSWORD ? '***Set***' : 'Not set');
  console.log('SMTP_FROM:', process.env.SMTP_FROM || 'Not set');
  
  // Test email sending
  console.log('\n📧 Testing Email Sending...');
  
  const testEmail = {
    to: 'test@example.com',
    subject: 'Test Email - User Auth Service',
    text: 'This is a test email to verify email configuration.',
    html: `
      <div style="font-family: Arial, sans-serif; padding: 20px;">
        <h2>🧪 Test Email</h2>
        <p>This is a test email to verify email configuration for the User Auth Service.</p>
        <p><strong>Timestamp:</strong> ${new Date().toISOString()}</p>
        <p><strong>Environment:</strong> ${process.env.NODE_ENV || 'development'}</p>
        <hr>
        <p style="color: #666; font-size: 12px;">
          If you receive this email, your email configuration is working correctly!
        </p>
      </div>
    `
  };
  
  try {
    const result = await sendMail(
      testEmail.to,
      testEmail.subject,
      testEmail.text,
      testEmail.html
    );
    
    console.log('✅ Email test successful!');
    console.log('Message ID:', result.messageId);
    console.log('Response:', result.response);
    
  } catch (error) {
    console.error('❌ Email test failed:');
    console.error('Error:', error.message);
    
    if (error.code) {
      console.error('Error Code:', error.code);
    }
    
    if (error.response) {
      console.error('SMTP Response:', error.response);
    }
    
    console.error('\n🔧 Troubleshooting Tips:');
    console.error('1. Check your email credentials');
    console.error('2. Verify 2FA is enabled for Gmail');
    console.error('3. Use App Password, not regular password');
    console.error('4. Check firewall/network settings');
    console.error('5. Verify SMTP port (587 for Gmail)');
  }
}

// Run the test
testEmail().catch(console.error);