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import { useEffect, useState } from "react";
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import { formatCountdown } from "@/client/lib/time";
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export function useCountdown(expiresAt: string | null) {
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  const [text, setText] = useState(() => (expiresAt ? formatCountdown(expiresAt) : ""));
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  useEffect(() => {
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    if (!expiresAt) {
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      setText("");
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      return;
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    }
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    setText(formatCountdown(expiresAt));
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    const id = window.setInterval(() => setText(formatCountdown(expiresAt)), 30_000);
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    return () => clearInterval(id);
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  }, [expiresAt]);
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  return text;
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}