/* globals jQuery */
import EmbeddedSVGEdit from './embedapi.js';
const $ = jQuery;

// Todo: Add iframe load listener
var initEmbed;

// Todo: Get rid of frame.contentWindow dependencies so can be more
//        easily adjusted to work cross-domain

$(function () {
  let svgCanvas = null;

  initEmbed = function () {
    svgCanvas = new EmbeddedSVGEdit(frame);
    // Hide main button, as we will be controlling new, load, save, etc. from the host document
    const doc = frame.contentDocument || frame.contentWindow.document;
    const mainButton = doc.getElementById('main_button');
    mainButton.style.display = 'none';
  };

  function handleSvgData (data, error) {
    if (error) {
      alert('error ' + error);
    } else {
      alert('Congratulations. Your SVG string is back in the host page, do with it what you will\n\n' + data);
    }
  }

  function loadSvg () {
    const svgexample = '<svg width="640" height="480" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g><title>Layer 1</title><rect stroke-width="5" stroke="#000000" fill="#FF0000" id="svg_1" height="35" width="51" y="35" x="32"/><ellipse ry="15" rx="24" stroke-width="5" stroke="#000000" fill="#0000ff" id="svg_2" cy="60" cx="66"/></g></svg>';
    svgCanvas.setSvgString(svgexample);
  }

  function saveSvg () {
    svgCanvas.getSvgString()(handleSvgData);
  }

  function exportPNG () {
    const str = frame.contentWindow.svgEditor.uiStrings.notification.loadingImage;

    const exportWindow = window.open(
      'data:text/html;charset=utf-8,' + encodeURIComponent('<title>' + str + '</title><h1>' + str + '</h1>'),
      'svg-edit-exportWindow'
    );
    svgCanvas.rasterExport('PNG', null, exportWindow.name);
  }

  function exportPDF () {
    const str = frame.contentWindow.svgEditor.uiStrings.notification.loadingImage;

    /**
    // If you want to handle the PDF blob yourself, do as follows
    svgCanvas.bind('exportedPDF', function (win, data) {
      alert(data.dataurlstring);
    });
    svgCanvas.exportPDF(); // Accepts two args: optionalWindowName supplied back to bound exportPDF handler and optionalOutputType (defaults to dataurlstring)
    return;
    */

    const exportWindow = window.open(
      'data:text/html;charset=utf-8,' + encodeURIComponent('<title>' + str + '</title><h1>' + str + '</h1>'),
      'svg-edit-exportWindow'
    );
    svgCanvas.exportPDF(exportWindow.name);
  }

  // Add event handlers
  $('#load').click(loadSvg);
  $('#save').click(saveSvg);
  $('#exportPNG').click(exportPNG);
  $('#exportPDF').click(exportPDF);
  $('body').append(
    $('<iframe src="svg-editor.html?extensions=ext-xdomain-messaging.js' +
      window.location.href.replace(/\?(.*)$/, '&$1') + // Append arguments to this file onto the iframe
      '" width="900px" height="600px" id="svgedit" onload="initEmbed();"></iframe>'
    )
  );
  const frame = document.getElementById('svgedit');
});