import { useCallback } from 'react';
import { useAtom } from 'jotai';
import { composerTextAtom, composerStatusAtom } from '@/atoms/composerAtom';

export const useComposer = () => {
  const [text, setText] = useAtom(composerTextAtom);
  const [status, setStatus] = useAtom(composerStatusAtom);

  const setSending = useCallback(() => setStatus('sending' as const), [setStatus]);
  const setIdle = useCallback(() => setStatus('idle' as const), [setStatus]);
  const reset = useCallback(() => {
    setText('');
    setIdle();
  }, [setText, setIdle]);

  const isSending = status === 'sending';
  const isEmpty = text.trim() === '';

  return {
    text,
    setText,
    status,
    isSending,
    isEmpty,
    isDisabled: isEmpty && !isSending,
    setSending,
    setIdle,
    reset,
  };
};