/* eslint-disable no-var */
/* globals $, EmbeddedSVGEdit */
var initEmbed; // eslint-disable-line no-unused-vars

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

$(function () {
	'use strict';

	var svgCanvas = null;
	var frame;

	initEmbed = function () {
		var doc, mainButton;
		svgCanvas = new EmbeddedSVGEdit(frame);
		// Hide main button, as we will be controlling new, load, save, etc. from the host document
		doc = frame.contentDocument || frame.contentWindow.document;
		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 () {
		var 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 () {
		var str = frame.contentWindow.svgEditor.uiStrings.notification.loadingImage;

		var 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 () {
		var 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;
		*/

		var 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>'
		)
	);
	frame = document.getElementById('svgedit');
});