yunhaifinance/backend/update-main-products.js

const fs = require('fs');
const content = fs.readFileSync('final-backend.js', 'utf8');
const lines = content.split('\n');

// 找到products模块的开始（第一个app.get('/api/products'）
let startLine = -1;
for (let i = 0; i < lines.length; i++) {
  if (lines[i].includes("app.get('/api/products'")) {
    startLine = i + 1; // 转换为1-based行号
    break;
  }
}

// 找到products模块的结束（在products模块之后，下一个模块开始之前）
let endLine = -1;
for (let i = startLine - 1; i < lines.length; i++) {
  if (lines[i].includes('app.') && lines[i].includes('/api/')) {
    const nextPath = lines[i].match(/['\"](\/api\/[^'\"]+)['\"]/);
    if (nextPath && !nextPath[1].startsWith('/api/products')) {
      // 找到上一个路由的结束
      for (let j = i - 1; j >= 0; j--) {
        if (lines[j].trim() === '});') {
          endLine = j;
          break;
        }
      }
      break;
    }
  }
}

if (startLine === -1) {
  console.log('❌ 无法找到products模块的开始');
  process.exit(1);
}

if (endLine === -1) {
  // 如果没找到下一个模块，使用文件末尾
  endLine = lines.length - 1;
}

console.log(`准备删除products模块代码（第${startLine}-${endLine + 1}行）`);

// 备份原文件
fs.writeFileSync('final-backend.js.products-backup', content);
console.log('✅ 已创建备份文件：final-backend.js.products-backup');

// 删除products模块代码
const linesWithoutProducts = [
  ...lines.slice(0, startLine - 1),
  ...lines.slice(endLine + 1)
];

// 在users路由引用之后插入products路由引用
// 找到users路由引用的位置
let usersRoutesLine = -1;
for (let i = 0; i < linesWithoutProducts.length; i++) {
  if (linesWithoutProducts[i].includes('const usersRoutes = require')) {
    usersRoutesLine = i;
    break;
  }
}

if (usersRoutesLine === -1) {
  console.log('❌ 未找到users路由引用位置');
  process.exit(1);
}

console.log(`users路由引用在第${usersRoutesLine + 1}行`);

// 在users路由引用之后插入products路由引用
const updatedLines = [
  ...linesWithoutProducts.slice(0, usersRoutesLine + 3), // 包括usersRoutes行和app.use行
  '',
  '// ==================== 商品路由 ====================',
  'const productsRoutes = require(\'./routes/products\');',
  'app.use(\'/api/products\', productsRoutes);',
  '',
  ...linesWithoutProducts.slice(usersRoutesLine + 3)
];

// 写入更新后的文件
fs.writeFileSync('final-backend.js', updatedLines.join('\n'));
console.log('✅ 已更新主文件');

// 验证修改
const updatedContent = fs.readFileSync('final-backend.js', 'utf8');
const updatedLinesArray = updatedContent.split('\n');

// 检查products路由引用是否存在
let productsRoutesFound = false;
let productsUseFound = false;
for (let i = 0; i < updatedLinesArray.length; i++) {
  if (updatedLinesArray[i].includes('const productsRoutes = require(\'./routes/products\')')) {
    productsRoutesFound = true;
    console.log(`✅ 找到products路由引用（第${i + 1}行）`);
  }
  if (updatedLinesArray[i].includes('app.use(\'/api/products\', productsRoutes)')) {
    productsUseFound = true;
    console.log(`✅ 找到products路由使用（第${i + 1}行）`);
  }
}

// 检查原products代码是否被删除
let productsCodeFound = false;
for (let i = 0; i < updatedLinesArray.length; i++) {
  if (updatedLinesArray[i].includes('app.get(\'/api/products\'')) {
    productsCodeFound = true;
    console.log(`❌ 发现未删除的products代码（第${i + 1}行）`);
  }
}

if (productsRoutesFound && productsUseFound && !productsCodeFound) {
  console.log('✅ 文件修改验证成功');
  
  // 显示相关部分
  console.log('\n更新后的路由引用部分：');
  for (let i = 0; i < Math.min(30, updatedLinesArray.length); i++) {
    if (updatedLinesArray[i].includes('const') || updatedLinesArray[i].includes('app.use')) {
      console.log(`${i + 1}: ${updatedLinesArray[i]}`);
    }
  }
} else {
  console.log('❌ 文件修改验证失败');
  process.exit(1);
}