const axios = require('axios');

// 测试重定向URI匹配逻辑
function testRedirectUriMatching() {
  console.log('🧪 测试重定向URI匹配逻辑...\n');

  // 模拟数据库中存储的URI
  const storedUris = [
    'http://localhost:3001/third-party-app.html',
    'http://localhost:3001/callback',
    'https://example.com/callback'
  ];

  // 测试用例
  const testCases = [
    {
      requested: 'http://127.0.0.1:5500/public/third-party-app.html',
      expected: true,
      description: '不同主机名和端口，相同路径'
    },
    {
      requested: 'http://localhost:3001/third-party-app.html',
      expected: true,
      description: '完全匹配'
    },
    {
      requested: 'http://localhost:3001/callback',
      expected: true,
      description: '匹配callback路径'
    },
    {
      requested: 'http://127.0.0.1:8080/callback',
      expected: true,
      description: '不同端口，相同路径'
    },
    {
      requested: 'http://localhost:3001/different-path.html',
      expected: false,
      description: '路径不匹配'
    },
    {
      requested: 'https://localhost:3001/third-party-app.html',
      expected: false,
      description: '协议不匹配'
    }
  ];

  // 验证函数（与后端逻辑相同）
  const isValidRedirectUri = (storedUris, requestedUri) => {
    try {
      const requestedUrl = new URL(requestedUri);
      
      for (const storedUri of storedUris) {
        const storedUrl = new URL(storedUri);
        
        // 检查协议是否匹配
        if (requestedUrl.protocol !== storedUrl.protocol) {
          continue;
        }
        
        // 获取文件名（路径的最后一部分）
        const requestedFilename = requestedUrl.pathname.split('/').pop();
        const storedFilename = storedUrl.pathname.split('/').pop();
        
        // 检查文件名是否匹配，忽略路径前缀
        if (requestedFilename === storedFilename) {
          return true;
        }
        
        // 如果文件名不匹配，检查完整路径是否匹配
        if (requestedUrl.pathname === storedUrl.pathname) {
          return true;
        }
      }
      return false;
    } catch (error) {
      return false;
    }
  };

  // 运行测试
  let passed = 0;
  let total = testCases.length;

  testCases.forEach((testCase, index) => {
    const result = isValidRedirectUri(storedUris, testCase.requested);
    const status = result === testCase.expected ? '✅' : '❌';
    
    console.log(`${status} 测试 ${index + 1}: ${testCase.description}`);
    console.log(`   请求URI: ${testCase.requested}`);
    console.log(`   期望结果: ${testCase.expected}, 实际结果: ${result}`);
    console.log('');
    
    if (result === testCase.expected) {
      passed++;
    }
  });

  console.log(`📊 测试结果: ${passed}/${total} 通过`);
  
  if (passed === total) {
    console.log('🎉 所有测试通过！重定向URI验证逻辑正常工作。');
  } else {
    console.log('⚠️  部分测试失败，需要检查逻辑。');
  }
}

// 测试实际的OAuth流程
async function testOAuthFlow() {
  console.log('\n🚀 测试实际OAuth流程...\n');

  try {
    // 1. 注册用户
    const testUser = {
      username: `testuser_${Date.now()}`,
      email: `testuser_${Date.now()}@example.com`,
      password: 'TestPassword123'
    };

    console.log('1. 注册测试用户...');
    const registerResponse = await axios.post('http://localhost:3000/api/auth/register', testUser);
    if (!registerResponse.data.success) {
      console.log('❌ 用户注册失败:', registerResponse.data.message);
      return;
    }
    console.log('✅ 用户注册成功');

    // 2. 用户登录
    console.log('\n2. 用户登录...');
    const loginResponse = await axios.post('http://localhost:3000/api/auth/login', {
      username: testUser.username,
      password: testUser.password
    });
    
    if (!loginResponse.data.success) {
      console.log('❌ 用户登录失败:', loginResponse.data.message);
      return;
    }
    
    const userToken = loginResponse.data.data.token;
    console.log('✅ 用户登录成功');

    // 3. 创建OAuth客户端
    console.log('\n3. 创建OAuth客户端...');
    const clientData = {
      name: '测试应用',
      description: '测试重定向URI匹配',
      redirect_uris: ['http://localhost:3001/third-party-app.html']
    };

    const clientResponse = await axios.post('http://localhost:3000/api/oauth/clients', clientData, {
      headers: {
        'Authorization': `Bearer ${userToken}`
      }
    });

    if (!clientResponse.data.success) {
      console.log('❌ OAuth客户端创建失败:', clientResponse.data.message);
      return;
    }

    const clientId = clientResponse.data.data.client_id;
    console.log('✅ OAuth客户端创建成功');
    console.log(`   客户端ID: ${clientId}`);

    // 4. 测试授权请求
    console.log('\n4. 测试授权请求...');
    const authParams = new URLSearchParams({
      response_type: 'code',
      client_id: clientId,
      redirect_uri: 'http://127.0.0.1:5500/public/third-party-app.html',
      scope: 'read write',
      state: 'test123'
    });

    const authResponse = await axios.get(`http://localhost:3000/api/oauth/authorize?${authParams}`, {
      headers: {
        'Authorization': `Bearer ${userToken}`
      }
    });

    if (authResponse.data.success) {
      console.log('✅ 授权请求成功！');
      console.log(`   应用名称: ${authResponse.data.data.client.name}`);
      console.log(`   请求权限: ${authResponse.data.data.scopes.join(', ')}`);
    } else {
      console.log('❌ 授权请求失败:', authResponse.data.message);
      if (authResponse.data.debug) {
        console.log('   调试信息:', authResponse.data.debug);
      }
    }

  } catch (error) {
    console.error('❌ 测试过程中发生错误:', error.response?.data || error.message);
  }
}

// 运行测试
if (require.main === module) {
  testRedirectUriMatching();
  testOAuthFlow();
}

module.exports = { testRedirectUriMatching, testOAuthFlow };