#!/usr/bin/env node

/**
 * Basic syntax fixer for Strudel code.
 * - Replaces ~ with -
 * - Ensures setcps exists (adds default if missing)
 * - Basic track control check
 */

const fs = require('fs');

function fixStrudelCode(code) {
  let fixed = code;

  // 1. Replace ~ with -
  fixed = fixed.replace(/~/g, '-');

  // 2. Ensure setcps exists at the beginning
  if (!fixed.includes('setcps')) {
    fixed = `setcps(120/60/4)

${fixed}`;
  }

  // 3. Simple warning/fix for track control (just a heuristic)
  if (!fixed.includes('$:') && fixed.includes('s(')) {
    // If it's a single line starting with s(, add $:
    fixed = fixed.replace(/^s\(/gm, '$: s(');
  }

  return fixed;
}

// Read from stdin or file
const input = process.argv[2] ? fs.readFileSync(process.argv[2], 'utf8') : '';
if (input) {
  process.stdout.write(fixStrudelCode(input));
} else {
  // If no input, just exit
  process.exit(0);
}