import { useCallback, useEffect, useState } from "react";
import { api, PomodoroStatus } from "../api/client";

export function usePomodoro(pollMs = 1000) {
  const [status, setStatus] = useState<PomodoroStatus | null>(null);
  const [error, setError] = useState<string | null>(null);

  const refresh = useCallback(async () => {
    try {
      const data = await api.pomodoroStatus();
      setStatus(data);
      setError(null);
    } catch (err) {
      setError(err instanceof Error ? err.message : "Ошибка загрузки таймера");
    }
  }, []);

  useEffect(() => {
    refresh().catch(console.error);
    const timer = setInterval(() => {
      refresh().catch(console.error);
    }, pollMs);
    return () => clearInterval(timer);
  }, [refresh, pollMs]);

  return { status, error, refresh };
}