import { beforeEach, describe, expect, it, vi } from 'vitest';
import { AccessControlsError } from '../../src/types';
import { buildAccessQuery, formatPermissionName, isValidUuid } from '../../src/utils';

// Mock the database module
vi.mock('@buster/database', () => ({
  getDb: vi.fn(),
  datasets: {},
  datasetPermissions: {},
  datasetsToPermissionGroups: {},
  permissionGroups: {},
  permissionGroupsToIdentities: {},
  teams: {},
  teamsToUsers: {},
  usersToOrganizations: {},
}));

describe('AccessControlsError', () => {
  it('should create an error with message and code', () => {
    const error = new AccessControlsError('Test error', 'TEST_CODE');

    expect(error.message).toBe('Test error');
    expect(error.code).toBe('TEST_CODE');
    expect(error.name).toBe('AccessControlsError');
  });

  it('should create an error with just a message', () => {
    const error = new AccessControlsError('Test error');

    expect(error.message).toBe('Test error');
    expect(error.code).toBeUndefined();
    expect(error.name).toBe('AccessControlsError');
  });
});

describe('Utils', () => {
  describe('formatPermissionName', () => {
    it('should format permission name correctly', () => {
      const result = formatPermissionName('Dataset', 'Read');
      expect(result).toBe('dataset:read');
    });

    it('should handle lowercase inputs', () => {
      const result = formatPermissionName('dashboard', 'write');
      expect(result).toBe('dashboard:write');
    });
  });

  describe('buildAccessQuery', () => {
    it('should build query object with userId and resourceType', () => {
      const result = buildAccessQuery('user-123', 'dataset');

      expect(result).toEqual({
        userId: 'user-123',
        resourceType: 'dataset',
      });
    });
  });

  describe('isValidUuid', () => {
    it('should validate correct UUID', () => {
      const validUuid = '123e4567-e89b-12d3-a456-426614174000';
      expect(isValidUuid(validUuid)).toBe(true);
    });

    it('should reject invalid UUID', () => {
      expect(isValidUuid('invalid-uuid')).toBe(false);
      expect(isValidUuid('')).toBe(false);
      expect(isValidUuid('123')).toBe(false);
    });
  });
});

describe('Access Control Functions', () => {
  beforeEach(() => {
    vi.clearAllMocks();
  });

  // Note: The main access control functions would require complex database mocking
  // These tests serve as a placeholder for when the database imports are resolved
  it('should have correct function exports', () => {
    // This test ensures the module structure is correct
    // Individual function tests would be added once database mocking is set up
    expect(true).toBe(true);
  });
});