/**
 * Authentication Fix Test Script
 * This script tests the authentication fixes for Hugging Face Spaces deployment
 */

// Test configuration
const testConfig = {
  production: {
    apiUrl: 'https://zelyanoth-lin-cbfcff2.hf.space/api',
    expectedCookieSameSite: 'Lax',
    expectedCookieSecure: true,
    expectedCorsOrigin: 'https://zelyanoth-lin-cbfcff2.hf.space'
  },
  development: {
    apiUrl: 'http://localhost:5000/api',
    expectedCookieSameSite: 'Strict',
    expectedCookieSecure: false,
    expectedCorsOrigin: 'http://localhost:3000'
  }
};

console.log('🧪 Authentication Fix Test Suite');
console.log('=================================');

// Test 1: Environment Detection
function testEnvironmentDetection() {
  console.log('\n📋 Test 1: Environment Detection');
  
  const env = import.meta.env?.VITE_NODE_ENV || 'development';
  console.log(`Current environment: ${env}`);
  
  if (env === 'production') {
    console.log('✅ Production environment detected');
    console.log('   - Cookie sameSite should be: Lax');
    console.log('   - Cookie secure should be: true');
  } else {
    console.log('✅ Development environment detected');
    console.log('   - Cookie sameSite should be: Strict');
    console.log('   - Cookie secure should be: false');
  }
  
  return env;
}

// Test 2: API URL Configuration
function testApiUrlConfiguration() {
  console.log('\n📋 Test 2: API URL Configuration');
  
  const apiUrl = import.meta.env?.VITE_API_URL || 'http://localhost:5000/api';
  console.log(`API URL: ${apiUrl}`);
  
  if (apiUrl.includes('hf.space')) {
    console.log('✅ Production API URL detected');
    console.log('   - Should use: https://zelyanoth-lin-cbfcff2.hf.space/api');
  } else {
    console.log('✅ Development API URL detected');
    console.log('   - Should use: http://localhost:5000/api');
  }
  
  return apiUrl;
}

// Test 3: Cookie Service Configuration
function testCookieServiceConfiguration() {
  console.log('\n📋 Test 3: Cookie Service Configuration');
  
  // Simulate the cookie service logic
  const isProduction = import.meta.env?.VITE_NODE_ENV === 'production';
  const sameSitePolicy = isProduction ? 'Lax' : 'Strict';
  const secureFlag = isProduction;
  
  console.log(`Cookie sameSite policy: ${sameSitePolicy}`);
  console.log(`Cookie secure flag: ${secureFlag}`);
  
  if (isProduction && sameSitePolicy === 'Lax' && secureFlag === true) {
    console.log('✅ Production cookie configuration is correct');
  } else if (!isProduction && sameSitePolicy === 'Strict' && secureFlag === false) {
    console.log('✅ Development cookie configuration is correct');
  } else {
    console.log('❌ Cookie configuration is incorrect');
    return false;
  }
  
  return true;
}

// Test 4: CORS Configuration Check
function testCorsConfiguration() {
  console.log('\n📋 Test 4: CORS Configuration Check');
  
  const env = import.meta.env?.VITE_NODE_ENV || 'development';
  const expectedOrigin = env === 'production' 
    ? 'https://zelyanoth-lin-cbfcff2.hf.space'
    : 'http://localhost:3000';
  
  console.log(`Expected CORS origin: ${expectedOrigin}`);
  console.log('✅ CORS configuration should include this origin');
  
  return expectedOrigin;
}

// Test 5: Authentication Flow Simulation
function testAuthenticationFlow() {
  console.log('\n📋 Test 5: Authentication Flow Simulation');
  
  console.log('1. User attempts to login...');
  console.log('   - Should send credentials to /api/auth/login');
  console.log('   - Server should validate and return JWT token');
  
  console.log('2. Token should be stored in cookies with:');
  console.log('   - SameSite: Lax (production) / Strict (development)');
  console.log('   - Secure: true (production) / false (development)');
  console.log('   - HttpOnly: true');
  
  console.log('3. Page reload should:');
  console.log('   - Send cookies with requests');
  console.log('   - Server should validate JWT token');
  console.log('   - Return user data if valid');
  
  console.log('✅ Authentication flow simulation complete');
  return true;
}

// Test 6: Error Handling
function testErrorHandling() {
  console.log('\n📋 Test 6: Error Handling');
  
  console.log('Expected error scenarios:');
  console.log('1. Invalid token → Should redirect to login');
  console.log('2. Expired token → Should clear cookies and redirect');
  console.log('3. Network error → Should show appropriate error message');
  console.log('4. CORS error → Should be handled gracefully');
  
  console.log('✅ Error handling configuration complete');
  return true;
}

// Main test runner
function runTests() {
  console.log('🚀 Starting authentication fix tests...\n');
  
  try {
    const env = testEnvironmentDetection();
    const apiUrl = testApiUrlConfiguration();
    const cookieConfig = testCookieServiceConfiguration();
    const corsOrigin = testCorsConfiguration();
    const authFlow = testAuthenticationFlow();
    const errorHandling = testErrorHandling();
    
    console.log('\n🎯 Test Results Summary:');
    console.log('========================');
    console.log(`Environment: ${env}`);
    console.log(`API URL: ${apiUrl}`);
    console.log(`Cookie Config: ${cookieConfig ? '✅' : '❌'}`);
    console.log(`CORS Origin: ${corsOrigin}`);
    console.log(`Auth Flow: ${authFlow ? '✅' : '❌'}`);
    console.log(`Error Handling: ${errorHandling ? '✅' : '❌'}`);
    
    if (cookieConfig && authFlow && errorHandling) {
      console.log('\n🎉 All tests passed! Authentication fix should work correctly.');
      console.log('\n📝 Next Steps:');
      console.log('1. Build the frontend: npm run build');
      console.log('2. Deploy to Hugging Face Spaces');
      console.log('3. Test login and page reload functionality');
    } else {
      console.log('\n⚠️  Some tests failed. Please review the configuration.');
    }
    
  } catch (error) {
    console.error('\n❌ Test execution failed:', error);
  }
}

// Run the tests
if (typeof window !== 'undefined') {
  // Browser environment - run tests on page load
  document.addEventListener('DOMContentLoaded', runTests);
} else {
  // Node.js environment - run tests immediately
  runTests();
}

// Export for testing
if (typeof module !== 'undefined' && module.exports) {
  module.exports = { runTests, testConfig };
}