import React, {
  Children,
  forwardRef,
  useRef,
  useImperativeHandle,
  useEffect
} from 'react';

import { ZikoWrapper } from "ziko-wrapper/react";
import { P5Canvas2D as Canvas2D } from "p5.wrapper/ziko";

export const P5Canvas2D = forwardRef(({ children, ...props }, ref) => {
  const uiRef = useRef(null);
  const items = Children.toArray(children).map(n => n.type(n.props));

  const __P5Canvas2D__ = () => {
    // Create UI once
    if (!uiRef.current) {
      const UI = Canvas2D(...items).view(-100, -100, 100, 100).unrender();

      for (let key in props) {
        switch (key) {
          case "clear": console.log(props[key]); break;
          case "view": setTimeout(() => UI.view(...props[key]), 50); break;
          default: UI[key]?.(props[key]); break;
        }
      }

      uiRef.current = UI;
    }

    return uiRef.current;
  };

  // Expose UI externally
  // useImperativeHandle(ref, () => ({
  //   getUI: () => uiRef.current,
  //   ...uiRef.current // optional
  // }), [uiRef.current]);

  useImperativeHandle(ref, () => {
  const target = { ...uiRef.current };

  Object.defineProperty(target, 'UI', {
    get() {
      return uiRef.current;
    },
    enumerable: true,
    configurable: true,
  });

  return target;
}, [uiRef.current]);


  return (
    <ZikoWrapper>
      <__P5Canvas2D__ />
    </ZikoWrapper>
  );
});







// import { Children } from 'react'
// import {ZikoWrapper} from "ziko-wrapper/react"
// import {P5Canvas2D as Canvas2D} from "p5.wrapper/ziko";


// export function P5Canvas2D({children, ...props }){
//   const items = Children.toArray(children).map(n=>n.type(n.props));
//   const __P5Canvas2D__ = () => {
//     const UI = Canvas2D(...items).view(-100, -100, 100, 100).unrender();
//     for(let key in props){
//       // console.log(props[key])
//       switch(key){
//         case "clear": setTimeout(()=>UI.clear(), 10); break;
//         // case "view" : setTimeout(()=>UI.view(...props[key]), 10); break;
//         // default : UI[key]?.(props[key]); break;
//       }
//     }
       
//     return UI
//   }
  
//   return(
//     <ZikoWrapper>
//       <__P5Canvas2D__/>
//     </ZikoWrapper>
//   )
// }