Scoreboard

import { Scoreboard } from "@/components/ui/scoreboard";

<Scoreboard teams={teams} />

"use client";

import * as React from "react";
import { cn } from "./lib/utils";

export interface ScoreboardTeam {
  name: string;
  score: number;
  period?: string;
}

export interface ScoreboardProps extends React.HTMLAttributes<HTMLDivElement> {
  teams: ScoreboardTeam[];
  className?: string;
}

function AnimatedScore({ target }: { target: number }) {
  const [current, setCurrent] = React.useState(target);
  const currentRef = React.useRef(target);

  React.useEffect(() => {
    const from = currentRef.current;
    if (from === target) return;
    let animationFrame = 0;
    const start = performance.now();
    const duration = 500;

    const animate = (timestamp: number) => {
      const progress = Math.min((timestamp - start) / duration, 1);
      const eased = 1 - Math.pow(1 - progress, 3);
      const value = Math.round(from + (target - from) * eased);
      currentRef.current = value;
      setCurrent(value);
      if (progress < 1) {
        animationFrame = requestAnimationFrame(animate);
      }
    };

    animationFrame = requestAnimationFrame(animate);
    return () => cancelAnimationFrame(animationFrame);
  }, [target]);

  const digits = String(current).split("");
  return (
    <div className="flex gap-1">
      {digits.map((digit, dIdx) => (
        <div
          key={dIdx}
          className={cn(
            "w-8 h-8 rounded-md",
            "border border-border/60 bg-card",
            "flex items-center justify-center",
            "font-mono text-3xl font-bold",
            dIdx > 0 ? "scale-95" : "scale-100",
            "motion-reduce:transition-none",
            "animate-[scoreboardRoll_0.4s_ease-out_both]",
          )}
        >
          {digit}
        </div>
      ))}
    </div>
  );
}

export function Scoreboard({
  teams,
  className,
  ...props
}: ScoreboardProps) {

  return (
    <div
      className={cn(
        "w-full space-y-3",
        "motion-reduce:animate-none",
        className,
      )}
      {...props}
    >
      {teams.map((team) => {
        return (
          <div
            key={team.name}
            className={cn(
              "flex items-center justify-between",
              "motion-reduce:transition-none",
            )}
          >
            <span
              className={cn(
                "text-[10px] uppercase tracking-[0.15em] text-muted-foreground",
              )}
            >
              {team.name}
            </span>

            <div className="flex items-center gap-2">
              {/* Big rolling score digits */}
              <div className="relative">
                <AnimatedScore target={team.score} />
                {team.score > 0 && (
                  <span className="text-[10px] text-muted-foreground">&#8377;</span>
                )}
              </div>
            </div>

            <span
              className={cn(
                "text-[10px] uppercase tracking-[0.15em] text-muted-foreground",
              )}
            >
              {team.period || ""}
            </span>
          </div>
        );
      })}
    </div>
  );
}