export function ifstyle(condition, then) {
  return condition ? " " + then : "";
}
export function b64e(str) {
  return btoa(
    encodeURIComponent(str).replace(
      /%([0-9A-F]{2})/g,
      function toSolidBytes(match, p1) {
        return String.fromCharCode("0x" + p1);
      }
    )
  );
}

export function b64d(str) {
  return decodeURIComponent(
    atob(str)
      .split("")
      .map(function (c) {
        return "%" + ("00" + c.charCodeAt(0).toString(16)).slice(-2);
      })
      .join("")
  );
}


/** by claude
 * Universal copy-to-clipboard function
 * Works with modern Clipboard API and falls back to legacy methods
 * @param {string} text - The text to copy to clipboard
 * @returns {Promise<boolean>} - Returns true if successful, false otherwise
 */
export async function copyToClipboard(text) {
  // Method 1: Modern Clipboard API (preferred)
  if (navigator.clipboard && window.isSecureContext) {
    try {
      await navigator.clipboard.writeText(text);
      return true;
    } catch (err) {
      console.warn('Clipboard API failed, trying fallback:', err);
    }
  }
  
  // Method 2: Fallback for older browsers or non-secure contexts
  try {
    const textarea = document.createElement('textarea');
    textarea.value = text;
    
    // Make it invisible and non-intrusive
    textarea.style.position = 'fixed';
    textarea.style.left = '-999999px';
    textarea.style.top = '-999999px';
    textarea.style.opacity = '0';
    textarea.setAttribute('readonly', '');
    
    document.body.appendChild(textarea);
    
    // Select and copy
    textarea.select();
    textarea.setSelectionRange(0, text.length);
    
    const success = document.execCommand('copy');
    document.body.removeChild(textarea);
    
    return success;
  } catch (err) {
    console.error('All copy methods failed:', err);
    return false;
  }
}