#!/usr/bin/env node

const fs = require('fs');

// Create backup
const timestamp = new Date().toISOString().replace(/[:.]/g, '-').slice(0, -5);
const backupPath = `src/mocks/resumeInterviewMock.js.backup_${timestamp}_correct_clean`;
const originalContent = fs.readFileSync('src/mocks/resumeInterviewMock.js', 'utf-8');
fs.writeFileSync(backupPath, originalContent);
console.log(`✓ Backup created: ${backupPath}`);

// Function to clean indentation from text
function cleanIndentation(text) {
  const lines = text.split('\n');
  const cleanedLines = lines.map(line => {
    // Remove all leading whitespace (spaces and tabs)
    return line.replace(/^[\s\t]+/, '');
  });
  return cleanedLines.join('\n');
}

let totalCount = 0;
let updatedContent = originalContent;

// Use a more specific regex that handles multi-line content
const regex = /"answer":\s*"((?:[^"\\]|\\.)*)"/g;
let match;

const replacements = [];

while ((match = regex.exec(originalContent)) !== null) {
  const fullMatch = match[0];
  const answerContent = match[1];

  // Unescape the content
  let unescaped = answerContent
    .replace(/\\n/g, '\n')
    .replace(/\\"/g, '"')
    .replace(/\\\\/g, '\\');

  // Clean indentation
  let cleaned = cleanIndentation(unescaped);

  // Re-escape for JSON
  let escaped = cleaned
    .replace(/\\/g, '\\\\')
    .replace(/"/g, '\\"')
    .replace(/\n/g, '\\n');

  const newMatch = `"answer": "${escaped}"`;

  replacements.push({
    original: fullMatch,
    replacement: newMatch
  });

  totalCount++;
}

// Apply all replacements
replacements.forEach(({ original, replacement }) => {
  updatedContent = updatedContent.replace(original, replacement);
});

console.log(`\n✅ Processed ${totalCount} answer fields`);

// Save the file
fs.writeFileSync('src/mocks/resumeInterviewMock.js', updatedContent);

// Verify syntax
const { execSync } = require('child_process');
try {
  execSync('node -c src/mocks/resumeInterviewMock.js', { encoding: 'utf-8' });
  console.log('✅ Syntax validation passed');

  // Verify the changes
  console.log('\n📋 Verification of cleaned answers:\n');

  // Check a few samples
  const sampleRegex = /"answer":\s*"([^"]*?阶段[^"]{0,400})"/;
  const sampleMatch = updatedContent.match(sampleRegex);

  if (sampleMatch) {
    const sample = sampleMatch[1].replace(/\\n/g, '\n').substring(0, 500);
    console.log('Sample answer (should have NO leading spaces):');
    console.log('═'.repeat(60));
    console.log(sample);
    console.log('═'.repeat(60));

    // Check each line for indentation
    const lines = sample.split('\n');
    let hasIndentation = false;
    lines.forEach((line, idx) => {
      if (line.match(/^[\s\t]+/)) {
        hasIndentation = true;
        console.log(`Line ${idx + 1} still has indentation: "${line.substring(0, 40)}..."`);
      }
    });

    if (!hasIndentation) {
      console.log('\n✅ SUCCESS: All indentation has been removed!');
    } else {
      console.log('\n⚠️ WARNING: Some lines still have indentation');
    }
  }

} catch (error) {
  console.error('❌ Syntax error detected, restoring backup...');
  fs.writeFileSync('src/mocks/resumeInterviewMock.js', originalContent);
  console.log('Backup restored');
  console.error('Error:', error.message);
}