import { useEffect } from "react";

/**
 * Hook to add keyboard shortcuts to forms.
 * - Ctrl+S / Cmd+S: Save (calls onSave callback)
 * - Escape: Cancel (calls onCancel callback if provided)
 */
export function useFormShortcuts(onSave: () => void, onCancel?: () => void) {
  useEffect(() => {
    const handleKeyDown = (e: KeyboardEvent) => {
      // Ctrl+S or Cmd+S to save
      if ((e.ctrlKey || e.metaKey) && e.key === "s") {
        e.preventDefault();
        onSave();
      }
      // Escape to cancel (if handler provided)
      if (e.key === "Escape" && onCancel) {
        e.preventDefault();
        onCancel();
      }
    };

    document.addEventListener("keydown", handleKeyDown);
    return () => document.removeEventListener("keydown", handleKeyDown);
  }, [onSave, onCancel]);
}