import { useEffect, useState } from "react";

type Props = {
  status: string | null;
  score: number | null;
};

export default function Score({ status, score }: Props) {
  const [randomScore, setRandomScore] = useState<number | null>(null);

  useEffect(() => {
    if (status !== "running") {
      return;
    }

    const intervalId = setInterval(() => {
      const maxValue = Math.pow(10, String(score ?? 100).length) - 1;
      const minValue = Math.pow(10, String(score ?? 100).length - 1);
      const randomValue =
        Math.floor(Math.random() * (maxValue - minValue + 1)) + minValue;
      setRandomScore(randomValue);
    }, 50);

    return () => {
      clearInterval(intervalId);
    };
  }, [status, score]);

  const displayScore = status === "running" ? randomScore : score;

  return (
    <span className={status === "running" ? "animate-pulse" : ""}>
      {displayScore}
    </span>
  );
}
