#!/usr/bin/env node

/**
 * Check for hardcoded colors in the codebase
 * This script scans for hex colors, rgb(), rgba(), and other hardcoded color patterns
 */

import { exec } from 'child_process';
import { promisify } from 'util';

const execAsync = promisify(exec);

const colorPatterns = [
  // Hex colors
  '#[0-9a-fA-F]{3,8}',
  // RGB/RGBA functions
  'rgb\\s*\\(',
  'rgba\\s*\\(',
  // HSL/HSLA functions  
  'hsl\\s*\\(',
  'hsla\\s*\\(',
  // Hardcoded Tailwind classes
  'bg-white',
  'bg-black',
  'text-white',
  'text-black'
];

const excludePaths = [
  'node_modules',
  'dist',
  'build',
  '.git',
  'scripts',
  'tailwind.config.js',
  'tokens.ts',
  'tokens.css'
];

async function checkHardcodedColors() {
  console.log('🎨 Checking for hardcoded colors in codebase...\n');
  
  let hasViolations = false;
  
  for (const pattern of colorPatterns) {
    const excludeArgs = excludePaths.map(path => `--exclude-dir=${path}`).join(' ');
    const command = `grep -r -n --color=never ${excludeArgs} "${pattern}" src/ || true`;
    
    try {
      const { stdout } = await execAsync(command);
      
      if (stdout.trim()) {
        console.log(`❌ Found hardcoded color pattern: ${pattern}`);
        console.log(stdout);
        hasViolations = true;
      }
    } catch (error) {
      // grep returns non-zero exit code when no matches found, which is expected
      if (error.code !== 1) {
        console.error(`Error checking pattern ${pattern}:`, error);
      }
    }
  }
  
  if (hasViolations) {
    console.log('\n❌ Hardcoded colors found! Please use design tokens instead.');
    console.log('📖 See src/theme/tokens.ts for available tokens.');
    process.exit(1);
  } else {
    console.log('✅ No hardcoded colors found! All colors are using design tokens.');
  }
}

checkHardcodedColors().catch(console.error);