import { describe, it, expect, beforeEach } from 'vitest';
import { OpenAPIHono } from '@hono/zod-openapi';
import { setupIntegrationDatabaseHooksWithEntities } from '@d8d/shared-test-util';
import { UserEntityMt } from '@d8d/user-module-mt';
import { FileMt } from '@d8d/file-module-mt';
import { authRoutes } from '../../src/routes';
import { AppDataSource } from '@d8d/shared-utils';
import { UserService } from '@d8d/user-module-mt';

// 设置数据库钩子
setupIntegrationDatabaseHooksWithEntities([UserEntityMt, FileMt]);

describe('租户认证隔离测试', () => {
  let testApp: OpenAPIHono;
  let userService: UserService;

  beforeEach(async () => {
    testApp = authRoutes;
    userService = new UserService(AppDataSource);
  });


  describe('用户注册和登录', () => {
    it('应该成功注册不同租户的用户', async () => {
      // 租户1的用户注册
      const tenant1Response = await testApp.request('/register', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'X-Tenant-Id': '1'
        },
        body: JSON.stringify({
          username: 'user1',
          password: 'password123',
          email: 'user1@example.com'
        })
      });

      expect(tenant1Response.status).toBe(201);
      const tenant1Data = await tenant1Response.json();
      expect(tenant1Data.token).toBeDefined();
      expect(tenant1Data.user.username).toBe('user1');

      // 租户2的用户注册
      const tenant2Response = await testApp.request('/register', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'X-Tenant-Id': '2'
        },
        body: JSON.stringify({
          username: 'user2',
          password: 'password123',
          email: 'user2@example.com'
        })
      });

      expect(tenant2Response.status).toBe(201);
      const tenant2Data = await tenant2Response.json();
      expect(tenant2Data.token).toBeDefined();
      expect(tenant2Data.user.username).toBe('user2');
    });

    it('应该成功登录到正确的租户', async () => {
      // 租户1的用户登录
      const tenant1Response = await testApp.request('/login', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'X-Tenant-Id': '1'
        },
        body: JSON.stringify({
          username: 'user1',
          password: 'password123'
        })
      });

      expect(tenant1Response.status).toBe(200);
      const tenant1Data = await tenant1Response.json();
      expect(tenant1Data.token).toBeDefined();
      expect(tenant1Data.user.username).toBe('user1');

      // 租户2的用户登录
      const tenant2Response = await testApp.request('/login', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'X-Tenant-Id': '2'
        },
        body: JSON.stringify({
          username: 'user2',
          password: 'password123'
        })
      });

      expect(tenant2Response.status).toBe(200);
      const tenant2Data = await tenant2Response.json();
      expect(tenant2Data.token).toBeDefined();
      expect(tenant2Data.user.username).toBe('user2');
    });

    it('应该拒绝跨租户登录', async () => {
      // 尝试用租户1的用户登录到租户2
      const crossTenantResponse = await testApp.request('/login', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'X-Tenant-Id': '2'
        },
        body: JSON.stringify({
          username: 'user1',
          password: 'password123'
        })
      });

      expect(crossTenantResponse.status).toBe(401);
      const errorData = await crossTenantResponse.json();
      expect(errorData.message).toBe('用户不属于该租户');
    });

    it('应该允许无租户ID的登录（向后兼容）', async () => {
      // 创建无租户的用户
      const noTenantUser = await userService.createUser({
        username: 'notenant',
        password: 'password123',
        email: 'notenant@example.com'
      });

      // 无租户ID登录
      const response = await testApp.request('/login', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json'
        },
        body: JSON.stringify({
          username: 'notenant',
          password: 'password123'
        })
      });

      expect(response.status).toBe(200);
      const data = await response.json();
      expect(data.token).toBeDefined();
      expect(data.user.username).toBe('notenant');
    });
  });

  describe('认证中间件租户上下文', () => {
    it('应该在认证后设置租户上下文', async () => {
      // 先登录获取token
      const loginResponse = await testApp.request('/login', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'X-Tenant-Id': '1'
        },
        body: JSON.stringify({
          username: 'user1',
          password: 'password123'
        })
      });

      const loginData = await loginResponse.json();
      const token = loginData.token;

      // 使用token访问需要认证的端点
      const meResponse = await testApp.request('/me', {
        method: 'GET',
        headers: {
          'Authorization': `Bearer ${token}`
        }
      });

      expect(meResponse.status).toBe(200);
      const meData = await meResponse.json();
      expect(meData.tenantId).toBe(1); // 应该包含租户ID
    });
  });

  describe('JWT Token租户信息', () => {
    it('应该在JWT token中包含租户ID', async () => {
      const response = await testApp.request('/login', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'X-Tenant-Id': '1'
        },
        body: JSON.stringify({
          username: 'user1',
          password: 'password123'
        })
      });

      const data = await response.json();
      const token = data.token;

      // 解码token验证租户ID
      const { JWTUtil } = await import('@d8d/shared-utils');
      const decoded = JWTUtil.decodeToken(token);
      expect(decoded?.tenantId).toBe(1);
    });
  });
});