bundle.js

const { formatSize } = require('./format');

/**
 * Generates the bundle size status section
 * @param {Object} bundleInfo - Bundle size information
 * @returns {string} Formatted bundle size section
 */
function generateBundleSizeSection({ currentSize, mainSize, diff, percent }) {
  const bundleStatus = percent === 'N/A' ? '⚠️' :
                      parseFloat(percent) > 0 ? '🔺' :
                      parseFloat(percent) < 0 ? '🔽' : '✅';

  const sizeChangeMessage = percent === 'N/A' ? '⚠️ Unable to calculate change.' :
                           parseFloat(percent) > 0 ? '⚠️ Bundle size increased. Please review.' :
                           parseFloat(percent) < 0 ? '✅ Bundle size decreased.' : '✅ Bundle size unchanged.';

  return `### Bundle Size: ${bundleStatus}
  Current: ${formatSize(currentSize)} | Main: ${formatSize(mainSize)}
  Diff: ${diff > 0 ? '+' : ''}${formatSize(Math.abs(diff))} (${percent === 'N/A' ? 'N/A' : `${percent}%`})

  ${sizeChangeMessage}`;
}

/**
 * Gets bundle size information from environment variables
 * @returns {Object} Bundle size information
 */
function getBundleInfo() {
  return {
    currentSize: parseInt(process.env.CURRENT_SIZE || '0'),
    mainSize: parseInt(process.env.MAIN_SIZE || '0'),
    diff: parseInt(process.env.SIZE_DIFF || '0'),
    percent: process.env.SIZE_PERCENT || 'N/A'
  };
}

module.exports = {
  generateBundleSizeSection,
  getBundleInfo
};