import { describe, expect, test } from 'vitest';
import { canUserAccessChat } from '../../src/chats';

describe('canUserAccessChat Simple Integration Tests', () => {
  // These tests will use existing test data in the database
  // They demonstrate the function works with real database queries
  
  test('should return false for non-existent chat', async () => {
    const result = await canUserAccessChat({
      userId: '00000000-0000-0000-0000-000000000001',
      chatId: '00000000-0000-0000-0000-000000000002',
    });

    expect(result).toBe(false);
  });

  test('should return false for invalid UUIDs', async () => {
    await expect(
      canUserAccessChat({
        userId: 'invalid-uuid',
        chatId: '00000000-0000-0000-0000-000000000001',
      })
    ).rejects.toThrow();

    await expect(
      canUserAccessChat({
        userId: '00000000-0000-0000-0000-000000000001',
        chatId: 'invalid-uuid',
      })
    ).rejects.toThrow();
  });

  test('should execute all queries concurrently', async () => {
    const startTime = Date.now();
    
    // Even with non-existent IDs, all 4 queries should run concurrently
    await canUserAccessChat({
      userId: '00000000-0000-0000-0000-000000000001',
      chatId: '00000000-0000-0000-0000-000000000002',
    });
    
    const duration = Date.now() - startTime;
    
    // If queries were sequential, they would take much longer
    // With concurrent execution, should be under 200ms even in CI
    expect(duration).toBeLessThan(200);
  });

  // If you have test data in your database, you can add more specific tests:
  test.skip('should return true for existing chat with permission', async () => {
    // Replace with actual test data IDs if available
    const result = await canUserAccessChat({
      userId: 'actual-test-user-id',
      chatId: 'actual-test-chat-id',
    });

    expect(result).toBe(true);
  });
});