/**
 * FormModal - модальное окно с формой
 * Простой подход со встроенным backdrop (как в HistoryModal)
 */
function FormModal({ 
  show, 
  onClose, 
  onSubmit, 
  title, 
  children,
  submitLabel = 'Сохранить',
  cancelLabel = 'Отмена',
  submitIcon: SubmitIcon,
  cancelIcon: CancelIcon,
  loading = false,
  submitVariant = 'primary',
  disabled = false,
  size = 'md',
  centered = false
}) {
  if (!show) return null;

  const handleSubmit = (e) => {
    e.preventDefault();
    onSubmit?.(e);
  };

  const handleKeyDown = (e) => {
    // Ctrl+Enter или Cmd+Enter для быстрого submit
    if ((e.ctrlKey || e.metaKey) && e.key === 'Enter') {
      handleSubmit(e);
    }
    // ESC для закрытия
    if (e.key === 'Escape') {
      onClose?.();
    }
  };

  const handleBackdropClick = (e) => {
    if (e.target === e.currentTarget) {
      onClose?.();
    }
  };

  return (
    <>
      {/* Modal Backdrop */}
      <div className="modal-backdrop show" onClick={handleBackdropClick} />
      
      {/* Modal */}
      <div 
        className="modal show d-block" 
        role="dialog" 
        aria-modal="true"
        tabIndex={-1}
        onKeyDown={handleKeyDown}
      >
        <div 
          className={`modal-dialog${size !== 'md' ? ` modal-${size}` : ''}${centered ? ' modal-dialog-centered' : ''}`}
          role="document"
        >
          <div className="modal-content" tabIndex={-1}>
            <form onSubmit={handleSubmit}>
              <div className="modal-header">
                <h5 className="modal-title">{title}</h5>
                <button type="button" className="btn-close" onClick={onClose} aria-label="Закрыть" />
              </div>
              
              <div className="modal-body">
                {children}
              </div>
              
              <div className="modal-footer">
                <button 
                  type="button" 
                  className="btn btn-secondary" 
                  onClick={onClose}
                  disabled={loading}
                >
                  {CancelIcon && <CancelIcon className="me-2" size={16} />}
                  {cancelLabel}
                </button>
                <button 
                  type="submit" 
                  className={`btn btn-${submitVariant}`}
                  disabled={loading || disabled}
                >
                  {loading && (
                    <span className="spinner-border spinner-border-sm me-2" role="status" aria-hidden="true" />
                  )}
                  {!loading && SubmitIcon && <SubmitIcon className="me-2" size={16} />}
                  {submitLabel}
                </button>
              </div>
            </form>
          </div>
        </div>
      </div>
    </>
  );
}

export default FormModal;