// Test authenticated flow without external dependencies

const BASE_URL = 'http://localhost:3000';

// Test data
const TEST_CREDENTIALS = {
  email: 'admin@localhost.com',
  password: 'admin123456'
};

// Helper function to extract cookies from response
function extractCookies(response) {
  const cookies = response.headers.raw()['set-cookie'];
  if (!cookies) return '';
  
  return cookies
    .map(cookie => cookie.split(';')[0])
    .join('; ');
}

// Helper function to make authenticated requests
async function makeAuthenticatedRequest(url, options = {}, cookies = '') {
  return fetch(url, {
    ...options,
    headers: {
      'Cookie': cookies,
      'Content-Type': 'application/json',
      ...options.headers
    }
  });
}

async function testCompleteAuthenticatedFlow() {
  console.log('🔐 Testing Complete Authenticated Flow\n');
  
  try {
    // Step 1: Get CSRF token from sign-in page
    console.log('1️⃣ Getting CSRF token...');
    const signinResponse = await fetch(`${BASE_URL}/auth/signin`);
    const signinHtml = await signinResponse.text();
    
    // Extract CSRF token (NextAuth.js typically includes it in the form)
    const csrfMatch = signinHtml.match(/name="csrfToken" value="([^"]+)"/);
    const csrfToken = csrfMatch ? csrfMatch[1] : null;
    
    if (!csrfToken) {
      console.log('❌ Could not extract CSRF token');
      return;
    }
    
    console.log('✅ CSRF token extracted');
    const initialCookies = extractCookies(signinResponse);
    
    // Step 2: Attempt login
    console.log('\n2️⃣ Attempting login...');
    const loginResponse = await fetch(`${BASE_URL}/api/auth/callback/credentials`, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/x-www-form-urlencoded',
        'Cookie': initialCookies
      },
      body: new URLSearchParams({
        csrfToken,
        email: TEST_CREDENTIALS.email,
        password: TEST_CREDENTIALS.password,
        callbackUrl: `${BASE_URL}/projects`,
        json: 'true'
      }),
      redirect: 'manual'
    });
    
    console.log(`Login response status: ${loginResponse.status}`);
    
    if (loginResponse.status === 200) {
      const loginResult = await loginResponse.json();
      console.log('Login result:', loginResult);
      
      if (loginResult.url) {
        console.log('✅ Login successful, redirecting to:', loginResult.url);
      } else if (loginResult.error) {
        console.log('❌ Login failed:', loginResult.error);
        return;
      }
    } else if (loginResponse.status === 302) {
      console.log('✅ Login successful (redirect)');
    } else {
      console.log('❌ Login failed with status:', loginResponse.status);
      const errorText = await loginResponse.text();
      console.log('Error response:', errorText.substring(0, 500));
      return;
    }
    
    // Get session cookies
    const sessionCookies = extractCookies(loginResponse) || initialCookies;
    console.log('Session cookies:', sessionCookies ? 'Present' : 'Missing');
    
    // Step 3: Test session endpoint
    console.log('\n3️⃣ Testing session endpoint...');
    const sessionResponse = await makeAuthenticatedRequest(
      `${BASE_URL}/api/auth/session`,
      {},
      sessionCookies
    );
    
    if (sessionResponse.ok) {
      const session = await sessionResponse.json();
      console.log('✅ Session data:', JSON.stringify(session, null, 2));
    } else {
      console.log('❌ Session check failed:', sessionResponse.status);
    }
    
    // Step 4: Test protected pages
    console.log('\n4️⃣ Testing protected pages...');
    const protectedPages = ['/projects', '/contracts', '/tasks'];
    
    for (const page of protectedPages) {
      const pageResponse = await makeAuthenticatedRequest(
        `${BASE_URL}${page}`,
        {},
        sessionCookies
      );
      
      if (pageResponse.ok) {
        console.log(`✅ ${page} - accessible`);
      } else if (pageResponse.status === 302) {
        console.log(`⚠️  ${page} - redirected (status: 302)`);
      } else {
        console.log(`❌ ${page} - failed (status: ${pageResponse.status})`);
      }
    }
    
    // Step 5: Test API endpoints
    console.log('\n5️⃣ Testing API endpoints...');
    const apiEndpoints = [
      { url: '/api/projects', method: 'GET' },
      { url: '/api/contracts', method: 'GET' },
      { url: '/api/tasks', method: 'GET' },
      { url: '/api/tasks/templates', method: 'GET' }
    ];
    
    for (const endpoint of apiEndpoints) {
      const apiResponse = await makeAuthenticatedRequest(
        `${BASE_URL}${endpoint.url}`,
        { method: endpoint.method },
        sessionCookies
      );
      
      if (apiResponse.ok) {
        const data = await apiResponse.json();
        console.log(`✅ ${endpoint.method} ${endpoint.url} - success (${Array.isArray(data) ? data.length : 'object'} items)`);
      } else if (apiResponse.status === 401) {
        console.log(`❌ ${endpoint.method} ${endpoint.url} - unauthorized (status: 401)`);
      } else {
        console.log(`❌ ${endpoint.method} ${endpoint.url} - failed (status: ${apiResponse.status})`);
        const errorText = await apiResponse.text();
        console.log(`   Error: ${errorText.substring(0, 200)}`);
      }
    }
    
    // Step 6: Test creating data
    console.log('\n6️⃣ Testing data creation...');
    
    // Test creating a project
    const projectData = {
      name: 'Test Project Auth',
      description: 'Testing authentication flow',
      deadline: '2025-12-31',
      status: 'active'
    };
    
    const createProjectResponse = await makeAuthenticatedRequest(
      `${BASE_URL}/api/projects`,
      {
        method: 'POST',
        body: JSON.stringify(projectData)
      },
      sessionCookies
    );
    
    if (createProjectResponse.ok) {
      const newProject = await createProjectResponse.json();
      console.log('✅ Project creation successful:', newProject.name);
      
      // Clean up - delete the test project
      const deleteResponse = await makeAuthenticatedRequest(
        `${BASE_URL}/api/projects/${newProject.id}`,
        { method: 'DELETE' },
        sessionCookies
      );
      
      if (deleteResponse.ok) {
        console.log('✅ Test project cleaned up');
      }
    } else {
      console.log('❌ Project creation failed:', createProjectResponse.status);
      const errorText = await createProjectResponse.text();
      console.log('   Error:', errorText.substring(0, 200));
    }
    
  } catch (error) {
    console.error('❌ Test failed with error:', error.message);
  }
}

// Run the test
testCompleteAuthenticatedFlow();