import React, { useContext } from 'react';
import PageContext from '../context/PageContext';
import { saveAsPdf } from '../utils';

const PageController = () => {
  const pageContext = useContext(PageContext);
  const { pageRef, panZoomRef } = pageContext;

  const zoomIn = () => panZoomRef.current.zoomIn(2);
  const zoomOut = () => panZoomRef.current.zoomOut(2);
  const centerReset = () => {
    panZoomRef.current.autoCenter(1);
    panZoomRef.current.reset(1);
  };

  return (
    <div
      id="pageController"
      className="absolute z-20 opacity-75 hover:opacity-100 transition-all duration-150"
    >
      <div className="px-8 border border-gray-200 rounded-full bg-white flex justify-center items-center select-none">
        <div className="p-3 hover:bg-gray-200 cursor-pointer flex" onClick={zoomIn}>
          <i className="material-icons">zoom_in</i>
        </div>

        <div className="p-3 hover:bg-gray-200 cursor-pointer flex" onClick={zoomOut}>
          <i className="material-icons">zoom_out</i>
        </div>

        <div className="p-3 hover:bg-gray-200 cursor-pointer flex" onClick={centerReset}>
          <i className="material-icons">center_focus_strong</i>
        </div>

        <div className="text-gray-400 p-3">|</div>

        <div
          className="p-3 hover:bg-gray-200 cursor-pointer flex"
          onClick={() => saveAsPdf(pageRef, panZoomRef)}
        >
          <i className="material-icons">save</i>
        </div>

        <div className="text-gray-400 p-3">|</div>

        <a
          className="p-3 hover:bg-gray-200 cursor-pointer flex"
          href="https://docs.rxresu.me/"
          target="_blank"
          rel="noopener noreferrer"
        >
          <i className="material-icons">help_outline</i>
        </a>
      </div>
    </div>
  );
};

export default PageController;