const emailService = require('./src/services/EmailService');
require('dotenv').config();

async function testEmailService() {
    console.log('Testing Email Service...\n');
    
    // Test 1: Check service status
    console.log('1. Checking service status:');
    const status = emailService.getStatus();
    console.log('Status:', status);
    console.log('Configured:', status.configured);
    
    // Test 2: Test configuration
    console.log('\n2. Testing configuration:');
    try {
        const configTest = await emailService.testConfiguration();
        console.log('Configuration test result:', configTest);
    } catch (error) {
        console.log('Configuration test failed:', error.message);
    }
    
    // Test 3: Generate tokens
    console.log('\n3. Testing token generation:');
    const verificationToken = emailService.generateSecureToken();
    console.log('Verification token length:', verificationToken.length);
    console.log('Verification token sample:', verificationToken.substring(0, 16) + '...');
    
    const resetTokenData = emailService.generateResetToken(1);
    console.log('Reset token length:', resetTokenData.token.length);
    console.log('Reset token expires:', resetTokenData.expires);
    console.log('Reset token sample:', resetTokenData.token.substring(0, 16) + '...');
    
    // Test 4: Create email templates
    console.log('\n4. Testing email templates:');
    const verificationTemplate = emailService.createVerificationEmailTemplate('test@example.com', verificationToken);
    console.log('Verification email subject:', verificationTemplate.subject);
    console.log('Verification email has HTML:', !!verificationTemplate.html);
    console.log('Verification email has text:', !!verificationTemplate.text);
    
    const resetTemplate = emailService.createPasswordResetEmailTemplate('test@example.com', resetTokenData.token);
    console.log('Reset email subject:', resetTemplate.subject);
    console.log('Reset email has HTML:', !!resetTemplate.html);
    console.log('Reset email has text:', !!resetTemplate.text);
    
    // Test 5: Simulate email sending (without actually sending)
    console.log('\n5. Email service methods available:');
    console.log('- sendVerificationEmail:', typeof emailService.sendVerificationEmail);
    console.log('- sendPasswordResetEmail:', typeof emailService.sendPasswordResetEmail);
    console.log('- sendNotificationEmail:', typeof emailService.sendNotificationEmail);
    
    console.log('\n✅ Email service tests completed successfully!');
    
    // Note about actual email sending
    if (!status.configured) {
        console.log('\n⚠️  Note: Email service is not configured. To test actual email sending:');
        console.log('   1. Set up EMAIL_* environment variables in .env file');
        console.log('   2. Use a valid SMTP service (Gmail, SendGrid, etc.)');
        console.log('   3. Run the service with proper credentials');
    } else {
        console.log('\n✅ Email service is configured and ready to send emails!');
    }
}

// Run the test
testEmailService().catch(error => {
    console.error('Test failed:', error);
    process.exit(1);
});