/**
 * Integration Tests for Sitemap Generation
 * Tests the full sitemap generation flow with mocked Drive API
 * 
 * These tests verify:
 * - T021: Full sitemap generation flow
 * - T022: Pagination with 50k+ documents
 * - T023: Rate limiting and retry logic
 * - T024: OAuth token refresh
 */

import { test, describe, before, after, mock } from 'node:test';
import assert from 'node:assert';

describe('Integration: Sitemap Generation Flow', () => {
  
  test('T021: Should generate sitemap with mocked Drive API', async () => {
    // This is a placeholder for the full integration test
    // In the actual implementation, this would:
    // 1. Mock the Drive API client
    // 2. Provide mock document list
    // 3. Call handleSitemapRequest
    // 4. Verify XML output
    
    // Mock Drive API response
    const mockDocuments = [
      {
        id: 'doc1',
        name: 'Document 1',
        mimeType: 'application/vnd.google-apps.document',
        modifiedTime: '2026-03-07T10:00:00.000Z'
      },
      {
        id: 'doc2',
        name: 'Document 2',
        mimeType: 'application/vnd.google-apps.spreadsheet',
        modifiedTime: '2026-03-06T15:30:00.000Z'
      }
    ];
    
    // TODO: Implement full flow test with mocked Drive client
    assert.ok(true, 'Integration test placeholder');
  });
  
  test('T022: Should handle pagination for 50k+ documents', async () => {
    // Test pagination logic
    // This would mock Drive API to return multiple pages
    // and verify all documents are included (up to 50k limit)
    
    const mockPageSize = 100;
    const totalDocs = 500; // Simulate 500 documents across 5 pages
    
    // TODO: Implement pagination test
    assert.ok(true, 'Pagination test placeholder');
  });
  
  test('T023: Should handle rate limiting with retry logic', async () => {
    // Test exponential backoff on 429 errors
    // Mock Drive API to return 429 on first few attempts
    // Verify retry logic works correctly
    
    // TODO: Implement rate limit test
    assert.ok(true, 'Rate limit test placeholder');
  });
  
  test('T024: Should handle OAuth token refresh', async () => {
    // Test Service Account token refresh
    // Mock expired token scenario
    // Verify automatic re-authentication
    
    // TODO: Implement token refresh test
    assert.ok(true, 'Token refresh test placeholder');
  });
  
});