Stat Card

import * as React from "react";
import { ArrowDown, ArrowUp } from "lucide-react";

import { cn } from "@/lib/utils";

export interface StatCardDelta {
  value: React.ReactNode;
  direction: "up" | "down";
}

export interface StatCardProps extends React.ComponentPropsWithoutRef<"div"> {
  label: React.ReactNode;
  value: React.ReactNode;
  delta?: StatCardDelta;
  icon?: React.ReactNode;
  sparkline?: React.ReactNode;
}

/** Delta is shape- and color-coded (arrow direction + success/destructive), never color alone. */
export function StatCard({ label, value, delta, icon, sparkline, className, ...props }: StatCardProps) {
  return (
    <div
      className={cn("flex flex-col gap-2 rounded-lg border border-border bg-card p-4 text-card-foreground", className)}
      {...props}
    >
      <div className="flex items-center justify-between gap-2">
        <span className="text-sm font-medium text-muted-foreground">{label}</span>
        {icon ? (
          <span className="text-muted-foreground" aria-hidden="true">
            {icon}
          </span>
        ) : null}
      </div>
      <div className="flex items-end justify-between gap-2">
        <span className="text-2xl font-semibold text-foreground">{value}</span>
        {delta ? (
          <span
            className={cn(
              "flex items-center gap-0.5 text-xs font-medium",
              delta.direction === "up" ? "text-success" : "text-destructive",
            )}
          >
            {delta.direction === "up" ? (
              <ArrowUp className="size-3" aria-hidden="true" />
            ) : (
              <ArrowDown className="size-3" aria-hidden="true" />
            )}
            {delta.value}
          </span>
        ) : null}
      </div>
      {sparkline ? <div className="mt-1">{sparkline}</div> : null}
    </div>
  );
}