// API Integration Test Script
const BASE_URL = 'http://localhost:3001';

// Helper function for making requests
async function request(endpoint, options = {}) {
  const url = `${BASE_URL}${endpoint}`;
  const config = {
    headers: {
      'Content-Type': 'application/json',
      ...options.headers,
    },
    ...options,
  };

  try {
    const response = await fetch(url, config);
    const data = await response.json();
    return { status: response.status, ok: response.ok, data };
  } catch (error) {
    return { status: 500, ok: false, error: error.message };
  }
}

// Test Results
const testResults = [];

async function runTests() {
  console.log('🚀 Starting API Integration Tests...\n');

  // 1. Health Check
  console.log('1. Testing Health Check...');
  const healthTest = await request('/health');
  testResults.push({
    name: 'Health Check',
    passed: healthTest.ok,
    status: healthTest.status,
    data: healthTest.data
  });
  console.log(`   ${healthTest.ok ? '✅' : '❌'} ${healthTest.status}`);

  // 2. Create Test User
  console.log('\n2. Testing Create User...');
  const userTest = await request('/api/users', {
    method: 'POST',
    body: JSON.stringify({ name: 'Test User', email: 'test' + Date.now() + '@example.com' })
  });
  testResults.push({
    name: 'Create User',
    passed: userTest.ok,
    status: userTest.status,
    data: userTest.data
  });
  console.log(`   ${userTest.ok ? '✅' : '❌'} ${userTest.status}`);
  
  const userId = userTest.data?.data?.id;
  if (!userId) {
    console.log('   ❌ Cannot continue without user ID');
    return;
  }
  console.log(`   Created User ID: ${userId}`);

  // 3. Create Account
  console.log('\n3. Testing Create Account...');
  const accountTest = await request('/api/accounts', {
    method: 'POST',
    body: JSON.stringify({ userId, name: '现金账户', type: 'cash', color: '#1890FF', balance: 1000 })
  });
  testResults.push({
    name: 'Create Account',
    passed: accountTest.ok,
    status: accountTest.status,
    data: accountTest.data
  });
  console.log(`   ${accountTest.ok ? '✅' : '❌'} ${accountTest.status}`);
  
  const accountId = accountTest.data?.data?.id;

  // 4. Get Accounts
  console.log('\n4. Testing Get Accounts...');
  const getAccountsTest = await request(`/api/accounts?userId=${userId}`);
  testResults.push({
    name: 'Get Accounts',
    passed: getAccountsTest.ok,
    status: getAccountsTest.status,
    data: getAccountsTest.data
  });
  console.log(`   ${getAccountsTest.ok ? '✅' : '❌'} ${getAccountsTest.status}`);

  // 5. Create Income Record
  console.log('\n5. Testing Create Income Record...');
  const incomeTest = await request('/api/records', {
    method: 'POST',
    body: JSON.stringify({
      userId,
      accountId,
      type: 'income',
      amount: 5000,
      category: '工资',
      description: '4月份工资',
      date: new Date().toISOString()
    })
  });
  testResults.push({
    name: 'Create Income Record',
    passed: incomeTest.ok,
    status: incomeTest.status,
    data: incomeTest.data
  });
  console.log(`   ${incomeTest.ok ? '✅' : '❌'} ${incomeTest.status}`);

  // 6. Create Expense Record
  console.log('\n6. Testing Create Expense Record...');
  const expenseTest = await request('/api/records', {
    method: 'POST',
    body: JSON.stringify({
      userId,
      accountId,
      type: 'expense',
      amount: 150,
      category: '餐饮',
      description: '午餐',
      date: new Date().toISOString()
    })
  });
  testResults.push({
    name: 'Create Expense Record',
    passed: expenseTest.ok,
    status: expenseTest.status,
    data: expenseTest.data
  });
  console.log(`   ${expenseTest.ok ? '✅' : '❌'} ${expenseTest.status}`);

  // 7. Get Records
  console.log('\n7. Testing Get Records...');
  const getRecordsTest = await request(`/api/records?userId=${userId}`);
  testResults.push({
    name: 'Get Records',
    passed: getRecordsTest.ok,
    status: getRecordsTest.status,
    data: getRecordsTest.data
  });
  console.log(`   ${getRecordsTest.ok ? '✅' : '❌'} ${getRecordsTest.status}`);

  // 8. Create Budget
  const currentMonth = `${new Date().getFullYear()}-${String(new Date().getMonth() + 1).padStart(2, '0')}`;
  console.log('\n8. Testing Create Budget...');
  const budgetTest = await request('/api/budgets', {
    method: 'POST',
    body: JSON.stringify({
      userId,
      category: '餐饮',
      amount: 2000,
      month: currentMonth
    })
  });
  testResults.push({
    name: 'Create Budget',
    passed: budgetTest.ok,
    status: budgetTest.status,
    data: budgetTest.data
  });
  console.log(`   ${budgetTest.ok ? '✅' : '❌'} ${budgetTest.status}`);

  // 9. Get Budgets
  console.log('\n9. Testing Get Budgets...');
  const getBudgetsTest = await request(`/api/budgets?userId=${userId}&month=${currentMonth}`);
  testResults.push({
    name: 'Get Budgets',
    passed: getBudgetsTest.ok,
    status: getBudgetsTest.status,
    data: getBudgetsTest.data
  });
  console.log(`   ${getBudgetsTest.ok ? '✅' : '❌'} ${getBudgetsTest.status}`);

  // 10. Monthly Statistics
  console.log('\n10. Testing Monthly Statistics...');
  const monthlyStatsTest = await request(`/api/statistics/monthly?userId=${userId}&month=${currentMonth}`);
  testResults.push({
    name: 'Monthly Statistics',
    passed: monthlyStatsTest.ok,
    status: monthlyStatsTest.status,
    data: monthlyStatsTest.data
  });
  console.log(`   ${monthlyStatsTest.ok ? '✅' : '❌'} ${monthlyStatsTest.status}`);

  // 11. Trend Statistics
  console.log('\n11. Testing Trend Statistics...');
  const trendTest = await request(`/api/statistics/trend?userId=${userId}`);
  testResults.push({
    name: 'Trend Statistics',
    passed: trendTest.ok,
    status: trendTest.status,
    data: trendTest.data
  });
  console.log(`   ${trendTest.ok ? '✅' : '❌'} ${trendTest.status}`);

  // 12. Dashboard Summary
  console.log('\n12. Testing Dashboard Summary...');
  const dashboardTest = await request(`/api/dashboard/summary?userId=${userId}`);
  testResults.push({
    name: 'Dashboard Summary',
    passed: dashboardTest.ok,
    status: dashboardTest.status,
    data: dashboardTest.data
  });
  console.log(`   ${dashboardTest.ok ? '✅' : '❌'} ${dashboardTest.status}`);

  // Summary
  console.log('\n' + '='.repeat(50));
  console.log('📊 Test Summary:');
  const passed = testResults.filter(t => t.passed).length;
  const total = testResults.length;
  console.log(`   Total: ${total}`);
  console.log(`   Passed: ${passed} ✅`);
  console.log(`   Failed: ${total - passed} ❌`);
  console.log('='.repeat(50));

  return testResults;
}

runTests().then(results => {
  console.log('\nTest run completed!');
  process.exit(0);
}).catch(error => {
  console.error('Test run failed:', error);
  process.exit(1);
});