"use client";

import { useId, type ReactNode } from "react";
import { motion, useReducedMotion } from "motion/react";

type TextOrbitProps = {
  /** Text round the circle. End it with a separator (" • ") so the join looks even. */
  text: string;
  /** Sits still in the middle. */
  children?: ReactNode;
  /** Width and height, in pixels. */
  size?: number;
  /** Seconds per full turn. */
  duration?: number;
  className?: string;
};

/* TextOrbit: text runs round a circle and slowly turns, like a badge stamp. Anything in children sits still in the middle. */
export function TextOrbit({ text, children, size = 160, duration = 14, className = "" }: TextOrbitProps) {
  const reduce = useReducedMotion();
  const pathId = `to${useId().replace(/[^a-zA-Z0-9]/g, "")}`;
  const r = 40; // inside a 100 x 100 box

  return (
    <div className={`relative inline-grid place-items-center ${className}`} style={{ width: size, height: size }}>
      <span className="sr-only">{text}</span>
      <motion.svg
        aria-hidden
        viewBox="0 0 100 100"
        className="absolute inset-0 h-full w-full overflow-visible"
        animate={reduce ? undefined : { rotate: 360 }}
        transition={{ duration, repeat: Infinity, ease: "linear" }}
      >
        <defs>
          <path id={pathId} d={`M 50,50 m -${r},0 a ${r},${r} 0 1,1 ${r * 2},0 a ${r},${r} 0 1,1 -${r * 2},0`} />
        </defs>
        <text fill="currentColor" fontSize="9">
          {/* Stretch the spacing so the text closes the circle exactly. */}
          <textPath href={`#${pathId}`} textLength={2 * Math.PI * r} lengthAdjust="spacing">
            {text}
          </textPath>
        </text>
      </motion.svg>
      {children && <div className="relative">{children}</div>}
    </div>
  );
}