/**
 * 用户管理属性测试
 * 
 * Property 1: 用户管理CRUD操作一致性
 * Property 2: 用户搜索结果准确性
 * Property 12: 数据验证完整性
 * 
 * Validates: Requirements 1.1-1.6, 6.1-6.6
 * 
 * 测试目标：
 * - 验证用户CRUD操作的一致性和正确性
 * - 确保搜索功能返回准确结果
 * - 验证数据验证规则的完整性
 * 
 * 最近修改：
 * - 2026-01-08: 注释规范优化 - 修正@author字段，更新版本号和修改记录 (修改者: moyin)
 * - 2026-01-08: 功能新增 - 创建用户管理属性测试 (修改者: assistant)
 * 
 * @author moyin
 * @version 1.0.1
 * @since 2026-01-08
 * @lastModified 2026-01-08
 */

import { Test, TestingModule } from '@nestjs/testing';
import { INestApplication } from '@nestjs/common';
import { ConfigModule } from '@nestjs/config';
import { AdminDatabaseController } from '../../controllers/admin_database.controller';
import { DatabaseManagementService } from '../../services/database_management.service';
import { AdminOperationLogService } from '../../services/admin_operation_log.service';
import { AdminOperationLogInterceptor } from '../../admin_operation_log.interceptor';
import { AdminDatabaseExceptionFilter } from '../../admin_database_exception.filter';
import { AdminGuard } from '../../admin.guard';
import { UserStatus } from '../../../../core/db/users/user_status.enum';
import {
  PropertyTestRunner,
  PropertyTestGenerators,
  PropertyTestAssertions,
  DEFAULT_PROPERTY_CONFIG
} from './admin_property_test.base';

describe('Property Test: 用户管理功能', () => {
  let app: INestApplication;
  let module: TestingModule;
  let controller: AdminDatabaseController;
  let mockUsersService: any;

  beforeAll(async () => {
    mockUsersService = {
      findAll: jest.fn().mockResolvedValue([]),
      findOne: jest.fn(),
      create: jest.fn(),
      update: jest.fn(),
      remove: jest.fn().mockResolvedValue(undefined),
      search: jest.fn(),
      count: jest.fn().mockResolvedValue(0)
    };

    module = await Test.createTestingModule({
      imports: [
        ConfigModule.forRoot({
          isGlobal: true,
          envFilePath: ['.env.test', '.env']
        })
      ],
      controllers: [AdminDatabaseController],
      providers: [
        DatabaseManagementService,
        {
          provide: AdminOperationLogService,
          useValue: {
            createLog: jest.fn().mockResolvedValue({}),
            queryLogs: jest.fn().mockResolvedValue({ logs: [], total: 0 }),
            getLogById: jest.fn().mockResolvedValue(null),
            getStatistics: jest.fn().mockResolvedValue({}),
            cleanupExpiredLogs: jest.fn().mockResolvedValue(0),
            getAdminOperationHistory: jest.fn().mockResolvedValue([]),
            getSensitiveOperations: jest.fn().mockResolvedValue({ logs: [], total: 0 })
          }
        },
        {
          provide: AdminOperationLogInterceptor,
          useValue: {
            intercept: jest.fn().mockImplementation((context, next) => next.handle())
          }
        },
        {
          provide: 'UsersService',
          useValue: mockUsersService
        },
        {
          provide: 'IUserProfilesService',
          useValue: {
            findAll: jest.fn().mockResolvedValue([]),
            findOne: jest.fn().mockResolvedValue({ id: BigInt(1) }),
            create: jest.fn().mockResolvedValue({ id: BigInt(1) }),
            update: jest.fn().mockResolvedValue({ id: BigInt(1) }),
            remove: jest.fn().mockResolvedValue(undefined),
            findByMap: jest.fn().mockResolvedValue([]),
            count: jest.fn().mockResolvedValue(0)
          }
        },
        {
          provide: 'ZulipAccountsService',
          useValue: {
            findMany: jest.fn().mockResolvedValue({ accounts: [] }),
            findById: jest.fn().mockResolvedValue({ id: '1' }),
            create: jest.fn().mockResolvedValue({ id: '1' }),
            update: jest.fn().mockResolvedValue({ id: '1' }),
            delete: jest.fn().mockResolvedValue(undefined),
            getStatusStatistics: jest.fn().mockResolvedValue({
              active: 0, inactive: 0, suspended: 0, error: 0, total: 0
            })
          }
        }
      ]
    })
    .overrideGuard(AdminGuard)
    .useValue({ canActivate: () => true })
    .compile();

    app = module.createNestApplication();
    app.useGlobalFilters(new AdminDatabaseExceptionFilter());
    await app.init();

    controller = module.get<AdminDatabaseController>(AdminDatabaseController);
  });

  afterAll(async () => {
    await app.close();
  });

  describe('Property 1: 用户管理CRUD操作一致性', () => {
    it('创建用户后应该能够读取相同的数据', async () => {
      await PropertyTestRunner.runPropertyTest(
        '用户创建-读取一致性',
        () => PropertyTestGenerators.generateUser(),
        async (userData) => {
          const userWithStatus = { ...userData, status: UserStatus.ACTIVE };
          
          // Mock创建和读取操作
          const createdUser = { ...userWithStatus, id: BigInt(1) };
          mockUsersService.create.mockResolvedValueOnce(createdUser);
          mockUsersService.findOne.mockResolvedValueOnce(createdUser);

          // 执行创建操作
          const createResponse = await controller.createUser(userWithStatus);
          
          // 执行读取操作
          const readResponse = await controller.getUserById('1');

          // 验证一致性
          PropertyTestAssertions.assertCrudConsistency(
            createResponse,
            readResponse,
            createResponse // 使用创建响应作为更新响应的占位符
          );

          expect(createResponse.data.username).toBe(userWithStatus.username);
          expect(readResponse.data.username).toBe(userWithStatus.username);
        },
        { ...DEFAULT_PROPERTY_CONFIG, iterations: 30 }
      );
    });

    it('更新用户后数据应该反映变更', async () => {
      await PropertyTestRunner.runPropertyTest(
        '用户更新一致性',
        () => ({
          original: PropertyTestGenerators.generateUser(),
          updates: PropertyTestGenerators.generateUser()
        }),
        async ({ original, updates }) => {
          const originalWithId = { ...original, id: BigInt(1), status: UserStatus.ACTIVE };
          const updatedUser = { ...originalWithId, ...updates, status: UserStatus.ACTIVE };
          
          // Mock操作
          mockUsersService.findOne.mockResolvedValueOnce(originalWithId);
          mockUsersService.update.mockResolvedValueOnce(updatedUser);

          // 执行更新操作
          const updateResponse = await controller.updateUser('1', { 
            ...updates, 
            status: UserStatus.ACTIVE 
          });

          expect(updateResponse.success).toBe(true);
          expect(updateResponse.data.id).toBe('1');
          
          // 验证更新的字段
          if (updates.username) {
            expect(updateResponse.data.username).toBe(updates.username);
          }
          if (updates.email) {
            expect(updateResponse.data.email).toBe(updates.email);
          }
        },
        { ...DEFAULT_PROPERTY_CONFIG, iterations: 30 }
      );
    });

    it('删除用户后应该无法读取', async () => {
      await PropertyTestRunner.runPropertyTest(
        '用户删除一致性',
        () => PropertyTestGenerators.generateUser(),
        async (userData) => {
          const userWithId = { ...userData, id: BigInt(1), status: UserStatus.ACTIVE };
          
          // Mock删除操作
          mockUsersService.remove.mockResolvedValueOnce(undefined);

          // 执行删除操作
          const deleteResponse = await controller.deleteUser('1');

          expect(deleteResponse.success).toBe(true);
          expect(deleteResponse.data.deleted).toBe(true);
          expect(deleteResponse.data.id).toBe('1');
        },
        { ...DEFAULT_PROPERTY_CONFIG, iterations: 20 }
      );
    });
  });

  describe('Property 2: 用户搜索结果准确性', () => {
    it('搜索结果应该包含匹配的用户', async () => {
      await PropertyTestRunner.runPropertyTest(
        '用户搜索准确性',
        () => {
          const user = PropertyTestGenerators.generateUser();
          return {
            user,
            searchTerm: user.username.substring(0, 3) // 使用用户名前3个字符作为搜索词
          };
        },
        async ({ user, searchTerm }) => {
          const userWithId = { ...user, id: BigInt(1), status: UserStatus.ACTIVE };
          
          // Mock搜索操作 - 如果搜索词匹配，返回用户
          const shouldMatch = user.username.toLowerCase().includes(searchTerm.toLowerCase()) ||
                             user.email?.toLowerCase().includes(searchTerm.toLowerCase()) ||
                             user.nickname?.toLowerCase().includes(searchTerm.toLowerCase());
          
          mockUsersService.search.mockResolvedValueOnce(shouldMatch ? [userWithId] : []);

          // 执行搜索操作
          const searchResponse = await controller.searchUsers(searchTerm, 20);

          expect(searchResponse.success).toBe(true);
          PropertyTestAssertions.assertListResponseFormat(searchResponse);
          
          if (shouldMatch) {
            expect(searchResponse.data.items.length).toBeGreaterThan(0);
            const foundUser = searchResponse.data.items[0];
            expect(foundUser.username).toBe(user.username);
          }
        },
        { ...DEFAULT_PROPERTY_CONFIG, iterations: 25 }
      );
    });

    it('空搜索词应该返回空结果或错误', async () => {
      await PropertyTestRunner.runPropertyTest(
        '空搜索词处理',
        () => ({ searchTerm: '' }),
        async ({ searchTerm }) => {
          mockUsersService.search.mockResolvedValueOnce([]);

          const searchResponse = await controller.searchUsers(searchTerm, 20);

          // 空搜索应该返回空结果
          expect(searchResponse.success).toBe(true);
          expect(searchResponse.data.items).toEqual([]);
        },
        { ...DEFAULT_PROPERTY_CONFIG, iterations: 10 }
      );
    });
  });

  describe('Property 12: 数据验证完整性', () => {
    it('有效的用户数据应该通过验证', async () => {
      await PropertyTestRunner.runPropertyTest(
        '有效用户数据验证',
        () => PropertyTestGenerators.generateUser(),
        async (userData) => {
          const validUser = {
            ...userData,
            status: UserStatus.ACTIVE,
            email: userData.email || 'test@example.com', // 确保有有效邮箱
            role: Math.max(0, Math.min(userData.role || 1, 9)) // 确保角色在有效范围内
          };
          
          const createdUser = { ...validUser, id: BigInt(1) };
          mockUsersService.create.mockResolvedValueOnce(createdUser);

          const createResponse = await controller.createUser(validUser);

          expect(createResponse.success).toBe(true);
          expect(createResponse.data).toBeDefined();
        },
        { ...DEFAULT_PROPERTY_CONFIG, iterations: 40 }
      );
    });

    it('边界值应该被正确处理', async () => {
      const boundaryValues = PropertyTestGenerators.generateBoundaryValues();
      
      await PropertyTestRunner.runPropertyTest(
        '边界值验证',
        () => {
          const user = PropertyTestGenerators.generateUser();
          return {
            ...user,
            role: boundaryValues.numbers[Math.floor(Math.random() * boundaryValues.numbers.length)],
            username: boundaryValues.strings[Math.floor(Math.random() * boundaryValues.strings.length)] || 'defaultuser',
            status: UserStatus.ACTIVE
          };
        },
        async (userData) => {
          // 只测试有效的边界值
          if (userData.role >= 0 && userData.role <= 9 && userData.username.length > 0) {
            const createdUser = { ...userData, id: BigInt(1) };
            mockUsersService.create.mockResolvedValueOnce(createdUser);

            const createResponse = await controller.createUser(userData);
            expect(createResponse.success).toBe(true);
          } else {
            // 无效值应该被拒绝，但我们的mock不会抛出错误
            // 在实际实现中，这些会被DTO验证拦截
            expect(true).toBe(true); // 占位符断言
          }
        },
        { ...DEFAULT_PROPERTY_CONFIG, iterations: 20 }
      );
    });

    it('分页参数应该被正确验证和限制', async () => {
      await PropertyTestRunner.runPropertyTest(
        '分页参数验证',
        () => PropertyTestGenerators.generatePaginationParams(),
        async (params) => {
          const { limit, offset } = params;
          
          mockUsersService.findAll.mockResolvedValueOnce([]);
          mockUsersService.count.mockResolvedValueOnce(0);

          const response = await controller.getUserList(limit, offset);

          expect(response.success).toBe(true);
          
          // 验证分页参数被正确限制
          expect(response.data.limit).toBeLessThanOrEqual(100); // 最大限制
          expect(response.data.offset).toBeGreaterThanOrEqual(0); // 最小偏移
        },
        { ...DEFAULT_PROPERTY_CONFIG, iterations: 30 }
      );
    });
  });
});