import { useMouseNoteStore } from "../../store/useUIToggleStore";

const actionNotes: Record<string, string> = {
  'left+CONTROL': 'Box Select',
  'left+SHIFT': 'Multi Select',
  'middle+CONTROL': 'Zoom In',
};


export function mouseActionHelper() {
  const setNotes = useMouseNoteStore.getState().setNotes;

  const activeKeys = new Set<string>();

  function updateNotesFromKeys() {
    const sortedKeys = Array.from(activeKeys).sort();
    const leftKey = ['left', ...sortedKeys].join('+');
    const middleKey = ['middle', ...sortedKeys].join('+');
    const rightKey = ['right', ...sortedKeys].join('+');

    setNotes({
      Leftnote: actionNotes[leftKey] || '',
      Middlenote: actionNotes[middleKey] || '',
      Rightnote: actionNotes[rightKey] || '',
    });
  }

  function handleKeyDown(event: KeyboardEvent) {
    activeKeys.add(event.key.toUpperCase());
    updateNotesFromKeys();
  }

  function handleKeyUp(event: KeyboardEvent) {
    activeKeys.delete(event.key.toUpperCase());
    updateNotesFromKeys();
  }

  window.addEventListener('keydown', handleKeyDown);
  window.addEventListener('keyup', handleKeyUp);

  return () => {
    window.removeEventListener('keydown', handleKeyDown);
    window.removeEventListener('keyup', handleKeyUp);
  };
}