import axios from 'axios';

/**
 * Authentication Test Script
 * Tests cookie handling and authentication flow
 */

const API_URL = 'http://localhost:3000';
const FRONTEND_URL = 'http://localhost:5173';

// Create axios instance with cookie jar simulation
const api = axios.create({
  baseURL: API_URL,
  withCredentials: true,
  headers: {
    'Origin': FRONTEND_URL,
    'Referer': FRONTEND_URL,
  },
});

let cookies = {};

// Interceptor to store cookies
api.interceptors.response.use((response) => {
  const setCookie = response.headers['set-cookie'];
  if (setCookie) {
    setCookie.forEach((cookie) => {
      const [nameValue] = cookie.split(';');
      const [name, value] = nameValue.split('=');
      cookies[name] = value;
    });
  }
  return response;
});

// Interceptor to send cookies
api.interceptors.request.use((config) => {
  if (Object.keys(cookies).length > 0) {
    config.headers['Cookie'] = Object.entries(cookies)
      .map(([name, value]) => `${name}=${value}`)
      .join('; ');
  }
  return config;
});

async function testHealth() {
  console.log('\n📡 Testing backend health...');
  try {
    const response = await api.get('/health');
    console.log('✅ Backend is running:', response.data);
    return true;
  } catch (error) {
    console.error('❌ Backend health check failed:', error.message);
    return false;
  }
}

async function testDebugCookies() {
  console.log('\n🍪 Testing cookie debug endpoint...');
  try {
    const response = await api.get('/auth/debug-cookies');
    console.log('✅ Debug cookies response:', JSON.stringify(response.data, null, 2));
    return response.data;
  } catch (error) {
    console.error('❌ Debug cookies failed:', error.response?.data || error.message);
    return null;
  }
}

async function testAuthMe() {
  console.log('\n👤 Testing /auth/me (requires login)...');
  try {
    const response = await api.get('/auth/me');
    console.log('✅ Authenticated user:', {
      username: response.data.user.username,
      steamId: response.data.user.steamId,
      balance: response.data.user.balance,
      staffLevel: response.data.user.staffLevel,
    });
    return response.data.user;
  } catch (error) {
    console.error('❌ Not authenticated:', error.response?.data || error.message);
    return null;
  }
}

async function testSessions() {
  console.log('\n📱 Testing /user/sessions (requires login)...');
  try {
    const response = await api.get('/user/sessions');
    console.log('✅ Sessions retrieved:', {
      count: response.data.sessions.length,
      sessions: response.data.sessions.map(s => ({
        device: s.device,
        browser: s.browser,
        os: s.os,
        lastActivity: s.lastActivity,
      })),
    });
    return response.data.sessions;
  } catch (error) {
    console.error('❌ Failed to get sessions:', error.response?.data || error.message);
    return null;
  }
}

async function test2FASetup() {
  console.log('\n🔐 Testing /user/2fa/setup (requires login)...');
  try {
    const response = await api.post('/user/2fa/setup');
    console.log('✅ 2FA setup initiated:', {
      hasQRCode: !!response.data.qrCode,
      hasSecret: !!response.data.secret,
      hasRevocationCode: !!response.data.revocationCode,
    });
    return response.data;
  } catch (error) {
    console.error('❌ Failed to setup 2FA:', error.response?.data || error.message);
    return null;
  }
}

async function testRouteRegistration() {
  console.log('\n🛣️  Testing route registration...');
  const routes = [
    '/health',
    '/auth/steam/test',
    '/auth/debug-cookies',
    '/auth/me',
    '/user/sessions',
    '/user/2fa/setup',
    '/market/items',
  ];

  for (const route of routes) {
    try {
      const response = await api.get(route);
      console.log(`✅ ${route} - Registered (Status: ${response.status})`);
    } catch (error) {
      if (error.response?.status === 401) {
        console.log(`✅ ${route} - Registered (Requires auth)`);
      } else if (error.response?.status === 404) {
        console.log(`❌ ${route} - NOT FOUND`);
      } else {
        console.log(`⚠️  ${route} - Status: ${error.response?.status || 'Error'}`);
      }
    }
  }
}

async function runTests() {
  console.log('╔════════════════════════════════════════╗');
  console.log('║   TurboTrades Authentication Tests    ║');
  console.log('╚════════════════════════════════════════╝');

  // Test 1: Backend health
  const healthOk = await testHealth();
  if (!healthOk) {
    console.log('\n❌ Backend is not running. Start it with: npm run dev');
    process.exit(1);
  }

  // Test 2: Route registration
  await testRouteRegistration();

  // Test 3: Debug cookies (no auth required)
  const debugData = await testDebugCookies();
  if (debugData) {
    console.log('\n📊 Cookie Configuration:');
    console.log('   Domain:', debugData.config?.cookieDomain || 'Not set');
    console.log('   Secure:', debugData.config?.cookieSecure || false);
    console.log('   SameSite:', debugData.config?.cookieSameSite || 'Not set');
    console.log('   CORS Origin:', debugData.config?.corsOrigin || 'Not set');
  }

  // Test 4: Check authentication
  const user = await testAuthMe();

  if (!user) {
    console.log('\n⚠️  You are not logged in.');
    console.log('   To test authenticated endpoints:');
    console.log('   1. Start backend: npm run dev');
    console.log('   2. Start frontend: cd frontend && npm run dev');
    console.log('   3. Open http://localhost:5173');
    console.log('   4. Click "Login with Steam"');
    console.log('   5. Complete Steam OAuth');
    console.log('   6. Copy cookies from browser DevTools');
    console.log('   7. Run this script with cookies (see manual test below)');
    console.log('\n💡 Or use the frontend to test - it should work if cookies are set correctly!');
  } else {
    // Test 5: Sessions (requires auth)
    await testSessions();

    // Test 6: 2FA Setup (requires auth)
    await test2FASetup();
  }

  console.log('\n╔════════════════════════════════════════╗');
  console.log('║            Tests Complete             ║');
  console.log('╚════════════════════════════════════════╝');

  if (!user) {
    console.log('\n📝 Manual Test Instructions:');
    console.log('   1. Login via frontend (http://localhost:5173)');
    console.log('   2. Open DevTools → Application → Cookies');
    console.log('   3. Copy accessToken value');
    console.log('   4. Run:');
    console.log('      curl http://localhost:3000/user/sessions \\');
    console.log('        -H "Cookie: accessToken=YOUR_TOKEN_HERE"');
    console.log('\n   If curl works but frontend doesn\'t:');
    console.log('   - Check cookie Domain is "localhost" not "127.0.0.1"');
    console.log('   - Check cookie Secure is false (unchecked)');
    console.log('   - Check cookie SameSite is "Lax"');
    console.log('   - See TROUBLESHOOTING_AUTH.md for detailed guide');
  }
}

// Run the tests
runTests().catch((error) => {
  console.error('\n💥 Test suite error:', error);
  process.exit(1);
});