// Plaaayground v2 — CopyButton
// Blueprint: 05 — Clipboard copy with animated check confirmation

import { useState } from "react";
import { AnimatePresence, motion } from "framer-motion";
import { Copy, Check } from "lucide-react";
import { spring } from "@/lib/motion";
import { cn } from "@/lib/utils";

export interface CopyButtonProps {
  value: string;
  className?: string;
}

export function CopyButton({ value, className }: CopyButtonProps) {
  const [copied, setCopied] = useState(false);

  async function handleCopy() {
    await navigator.clipboard.writeText(value);
    setCopied(true);
    setTimeout(() => setCopied(false), 2000);
  }

  return (
    <button
      onClick={handleCopy}
      className={cn(
        "inline-flex items-center justify-center w-8 h-8 rounded-md",
        "text-muted-foreground hover:text-foreground hover:bg-secondary",
        "transition-colors cursor-pointer",
        className
      )}
      aria-label={copied ? "Copied" : "Copy to clipboard"}
    >
      <AnimatePresence mode="wait" initial={false}>
        {copied ? (
          <motion.span
            key="check"
            initial={{ scale: 0, opacity: 0 }}
            animate={{ scale: 1, opacity: 1 }}
            exit={{ scale: 0, opacity: 0 }}
            transition={spring.snappy}
          >
            <Check className="w-4 h-4 text-emerald-600" />
          </motion.span>
        ) : (
          <motion.span
            key="copy"
            initial={{ scale: 0, opacity: 0 }}
            animate={{ scale: 1, opacity: 1 }}
            exit={{ scale: 0, opacity: 0 }}
            transition={spring.snappy}
          >
            <Copy className="w-4 h-4" />
          </motion.span>
        )}
      </AnimatePresence>
    </button>
  );
}
CopyButton

Preview
