const http = require('http');

// 简单的 HTTP 客户端来处理 cookies
class SimpleAPITester {
  constructor(baseUrl) {
    this.baseUrl = baseUrl;
    this.cookies = new Map();
  }

  async request(path, options = {}) {
    return new Promise((resolve, reject) => {
      const url = new URL(path, this.baseUrl);
      const opts = {
        hostname: url.hostname,
        port: url.port,
        path: url.pathname + url.search,
        method: options.method || 'GET',
        headers: {
          'Content-Type': 'application/json',
          ...options.headers
        }
      };

      // 添加 cookies
      if (this.cookies.size > 0) {
        opts.headers.Cookie = Array.from(this.cookies.entries())
          .map(([k, v]) => `${k}=${v}`)
          .join('; ');
      }

      const req = http.request(opts, (res) => {
        let data = '';
        res.on('data', chunk => data += chunk);
        res.on('end', () => {
          // 保存 cookies
          if (res.headers['set-cookie']) {
            res.headers['set-cookie'].forEach(cookie => {
              const [nameValue] = cookie.split(';');
              const [name, value] = nameValue.split('=');
              if (name && value) {
                this.cookies.set(name.trim(), value.trim());
              }
            });
          }

          try {
            const json = JSON.parse(data);
            resolve({ status: res.statusCode, data: json, headers: res.headers });
          } catch {
            resolve({ status: res.statusCode, data, headers: res.headers });
          }
        });
      });

      req.on('error', reject);
      
      if (options.body) {
        req.write(JSON.stringify(options.body));
      }
      
      req.end();
    });
  }

  async register(email, password, name) {
    console.log('📝 注册用户...');
    const response = await this.request('/api/auth/register', {
      method: 'POST',
      body: { email, password, name }
    });
    console.log(`状态: ${response.status}`);
    console.log(response.data);
    return response;
  }

  async getCSRFToken() {
    console.log('🔐 获取 CSRF token...');
    const response = await this.request('/api/auth/signin');
    const csrfCookie = this.cookies.get('next-auth.csrf-token');
    if (csrfCookie) {
      const [token] = csrfCookie.split('|');
      return token;
    }
    return null;
  }

  async login(email, password) {
    console.log('🔑 登录...');
    const csrfToken = await this.getCSRFToken();
    
    if (!csrfToken) {
      throw new Error('无法获取 CSRF token');
    }

    const response = await this.request('/api/auth/signin', {
      method: 'POST',
      body: {
        email,
        password,
        csrfToken,
        redirect: false
      }
    });
    
    return response;
  }

  async createTree(name, description) {
    console.log('🌳 创建家族树...');
    const response = await this.request('/api/trees', {
      method: 'POST',
      body: { name, description }
    });
    console.log(`状态: ${response.status}`);
    console.log(response.data);
    return response;
  }

  async getTrees() {
    console.log('📋 获取家族树列表...');
    const response = await this.request('/api/trees');
    console.log(`状态: ${response.status}`);
    console.log(JSON.stringify(response.data, null, 2));
    return response;
  }

  async createMember(treeId, memberData) {
    console.log('👤 创建成员...');
    const response = await this.request(`/api/trees/${treeId}/members`, {
      method: 'POST',
      body: memberData
    });
    console.log(`状态: ${response.status}`);
    console.log(response.data);
    return response;
  }

  async getMembers(treeId) {
    console.log('👥 获取成员列表...');
    const response = await this.request(`/api/trees/${treeId}/members`);
    console.log(`状态: ${response.status}`);
    console.log(JSON.stringify(response.data, null, 2));
    return response;
  }
}

async function runTests() {
  const tester = new SimpleAPITester('http://localhost:3000');
  
  try {
    console.log('🚀 开始完整 API 测试...\n');

    // 1. 注册用户
    await tester.register('api-test@example.com', 'password123', 'API测试用户');
    console.log('');

    // 2. 登录
    await tester.login('api-test@example.com', 'password123');
    console.log('');

    // 3. 创建家族树
    const treeResponse = await tester.createTree('API测试家族树', '通过API创建');
    console.log('');

    if (treeResponse.status === 201) {
      const treeId = treeResponse.data.tree.id;
      
      // 4. 获取家族树列表
      await tester.getTrees();
      console.log('');

      // 5. 创建成员
      await tester.createMember(treeId, {
        surname: '李',
        givenName: '明',
        fullName: '李明',
        gender: 'MALE',
        generation: 1,
        birthDate: '1990-01-01'
      });
      console.log('');

      // 6. 获取成员列表
      await tester.getMembers(treeId);
      console.log('');
    }

    console.log('✅ 所有测试完成！');

  } catch (error) {
    console.error('❌ 测试失败:', error);
  }
}

runTests();