/* eslint-env qunit */
/* globals $, svgedit, equals */
/* eslint-disable no-var */
$(function () {
	// log function
	QUnit.log = function (details) {
		if (window.console && window.console.log) {
			window.console.log(details.result + ' :: ' + details.message);
		}
	};

	function mockCreateSVGElement (jsonMap) {
		var elem = document.createElementNS(svgedit.NS.SVG, jsonMap['element']);
		for (var attr in jsonMap['attr']) {
			elem.setAttribute(attr, jsonMap['attr'][attr]);
		}
		return elem;
	}
	function mockAddSvgElementFromJson (json) {
		var elem = mockCreateSVGElement(json);
		svgroot.appendChild(elem);
		return elem;
	}
	var mockPathActions = {resetOrientation: function () {}};
	var mockHistorySubCommands = [];
	var mockHistory = {
		BatchCommand: function () {
			return {
				addSubCommand: function (cmd) { mockHistorySubCommands.push(cmd); }
			};
		},
		RemoveElementCommand: function (elem, nextSibling, parent) {
			this.elem = elem;
			this.nextSibling = nextSibling;
			this.parent = parent;
		},
		InsertElementCommand: function (path) {
			this.path = path;
		}
	};
	var mockCount = {
		clearSelection: 0,
		addToSelection: 0,
		addCommandToHistory: 0
	};
	function mockClearSelection () { mockCount.clearSelection++; }
	function mockAddToSelection () { mockCount.addToSelection++; }
	function mockAddCommandToHistory () { mockCount.addCommandToHistory++; }

	var svg = document.createElementNS(svgedit.NS.SVG, 'svg');
	var sandbox = document.getElementById('sandbox');
	var svgroot = mockCreateSVGElement({
		'element': 'svg',
		'attr': {'id': 'svgroot'}
	});
	sandbox.appendChild(svgroot);

	module('svgedit.utilities', {
		setup: function () {
			mockHistorySubCommands = [];
			mockCount.clearSelection = 0;
			mockCount.addToSelection = 0;
			mockCount.addCommandToHistory = 0;
		},
		teardown: function () {
		}
	});

	test('Test svgedit.utilities package', function () {
		expect(3);

		ok(svgedit.utilities);
		ok(svgedit.utilities.toXml);
		equals(typeof svgedit.utilities.toXml, typeof function () {});
	});

	test('Test svgedit.utilities.toXml() function', function () {
		expect(6);
		var toXml = svgedit.utilities.toXml;

		equals(toXml('a'), 'a');
		equals(toXml('ABC_'), 'ABC_');
		equals(toXml('PB&J'), 'PB&J');
		equals(toXml('2 < 5'), '2 &lt; 5');
		equals(toXml('5 > 2'), '5 &gt; 2');
		equals(toXml('\'<&>"'), '&#x27;&lt;&amp;&gt;&quot;');
	});

	test('Test svgedit.utilities.fromXml() function', function () {
		expect(6);
		var fromXml = svgedit.utilities.fromXml;

		equals(fromXml('a'), 'a');
		equals(fromXml('ABC_'), 'ABC_');
		equals(fromXml('PB&amp;J'), 'PB&J');
		equals(fromXml('2 &lt; 5'), '2 < 5');
		equals(fromXml('5 &gt; 2'), '5 > 2');
		equals(fromXml('&lt;&amp;&gt;'), '<&>');
	});

	test('Test svgedit.utilities.encode64() function', function () {
		expect(4);
		var encode64 = svgedit.utilities.encode64;

		equals(encode64('abcdef'), 'YWJjZGVm');
		equals(encode64('12345'), 'MTIzNDU=');
		equals(encode64(' '), 'IA==');
		equals(encode64('`~!@#$%^&*()-_=+[{]}\\|;:\'",<.>/?'), 'YH4hQCMkJV4mKigpLV89K1t7XX1cfDs6JyIsPC4+Lz8=');
	});

	test('Test svgedit.utilities.decode64() function', function () {
		expect(4);
		var decode64 = svgedit.utilities.decode64;

		equals(decode64('YWJjZGVm'), 'abcdef');
		equals(decode64('MTIzNDU='), '12345');
		equals(decode64('IA=='), ' ');
		equals(decode64('YH4hQCMkJV4mKigpLV89K1t7XX1cfDs6JyIsPC4+Lz8='), '`~!@#$%^&*()-_=+[{]}\\|;:\'",<.>/?');
	});

	test('Test svgedit.utilities.convertToXMLReferences() function', function () {
		expect(1);

		var convert = svgedit.utilities.convertToXMLReferences;
		equals(convert('ABC'), 'ABC');
		// equals(convert('�BC'), '&#192;BC');
	});

	test('Test svgedit.utilities.bboxToObj() function', function () {
		expect(5);
		var bboxToObj = svgedit.utilities.bboxToObj;

		var rect = svg.createSVGRect();
		rect.x = 1;
		rect.y = 2;
		rect.width = 3;
		rect.height = 4;

		var obj = bboxToObj(rect);
		equals(typeof obj, typeof {});
		equals(obj.x, 1);
		equals(obj.y, 2);
		equals(obj.width, 3);
		equals(obj.height, 4);
	});

	test('Test getUrlFromAttr', function () {
		expect(4);

		equal(svgedit.utilities.getUrlFromAttr('url(#foo)'), '#foo');
		equal(svgedit.utilities.getUrlFromAttr('url(somefile.svg#foo)'), 'somefile.svg#foo');
		equal(svgedit.utilities.getUrlFromAttr('url("#foo")'), '#foo');
		equal(svgedit.utilities.getUrlFromAttr('url("#foo")'), '#foo');
	});

	test('Test getPathBBox', function () {
		if (svgedit.browser.supportsPathBBox()) return;
		var doc = svgedit.utilities.text2xml('<svg></svg>');
		var path = doc.createElementNS(svgedit.NS.SVG, 'path');
		path.setAttributeNS(null, 'd', 'm0,0l5,0l0,5l-5,0l0,-5z');
		var bb = svgedit.utilities.getPathBBox(path);
		equals(typeof bb, 'object', 'BBox returned object');
		ok(bb.x && !isNaN(bb.x));
		ok(bb.y && !isNaN(bb.y));
	});

	test('Test getPathDFromSegments', function () {
		var d;
		var getPathDFromSegments = svgedit.utilities.getPathDFromSegments;

		var doc = svgedit.utilities.text2xml('<svg></svg>');
		var path = doc.createElementNS(svgedit.NS.SVG, 'path');
		path.setAttributeNS(null, 'd', 'm0,0l5,0l0,5l-5,0l0,-5z');
		d = getPathDFromSegments([
			['M', [1, 2]],
			['Z', []]
		]);
		equal(d, 'M1,2 Z');

		d = getPathDFromSegments([
			['M', [1, 2]],
			['M', [3, 4]],
			['Z', []]
		]);
		equal(d, 'M1,2 M3,4 Z');

		d = getPathDFromSegments([
			['M', [1, 2]],
			['C', [3, 4, 5, 6]],
			['Z', []]
		]);
		equal(d, 'M1,2 C3,4 5,6 Z');
	});

	test('Test getPathDFromElement', function () {
		var getPathDFromElement = svgedit.utilities.getPathDFromElement;

		var elem = mockCreateSVGElement({
			'element': 'path',
			'attr': {'id': 'path', 'd': 'M0,1 Z'}
		});
		svgroot.appendChild(elem);
		equal(getPathDFromElement(elem), 'M0,1 Z');
		svgroot.removeChild(elem);

		elem = mockCreateSVGElement({
			'element': 'rect',
			'attr': {'id': 'rect', 'x': '0', 'y': '1', 'width': '5', 'height': '10'}
		});
		svgroot.appendChild(elem);
		equal(getPathDFromElement(elem), 'M0,1 L5,1 L5,11 L0,11 L0,1 Z');
		svgroot.removeChild(elem);

		elem = mockCreateSVGElement({
			'element': 'rect',
			'attr': {'id': 'roundrect', 'x': '0', 'y': '1', 'rx': '2', 'ry': '3', 'width': '10', 'height': '11'}
		});
		svgroot.appendChild(elem);
		var closeEnough = new RegExp('M0,4 C0,2.3[0-9]* 0.9[0-9]*,1 2,1 L8,1 C9.0[0-9]*,1 10,2.3[0-9]* 10,4 L10,9 C10,10.6[0-9]* 9.08675799086758,12 8,12 L2,12 C0.9[0-9]*,12 0,10.6[0-9]* 0,9 L0,4 Z');
		equal(closeEnough.test(getPathDFromElement(elem)), true);
		svgroot.removeChild(elem);

		elem = mockCreateSVGElement({
			'element': 'line',
			'attr': {'id': 'line', 'x1': '0', 'y1': '1', 'x2': '5', 'y2': '6'}
		});
		svgroot.appendChild(elem);
		equal(getPathDFromElement(elem), 'M0,1L5,6');
		svgroot.removeChild(elem);

		elem = mockCreateSVGElement({
			'element': 'circle',
			'attr': {'id': 'circle', 'cx': '10', 'cy': '11', 'rx': '5', 'ry': '10'}
		});
		svgroot.appendChild(elem);
		equal(getPathDFromElement(elem), 'M10,11 C10,11 10,11 10,11 C10,11 10,11 10,11 C10,11 10,11 10,11 C10,11 10,11 10,11 Z');
		svgroot.removeChild(elem);

		elem = mockCreateSVGElement({
			'element': 'polyline',
			'attr': {'id': 'polyline', 'points': '0,1 5,1 5,11 0,11'}
		});
		svgroot.appendChild(elem);
		equal(getPathDFromElement(elem), 'M0,1 5,1 5,11 0,11');
		svgroot.removeChild(elem);

		equal(getPathDFromElement({tagName: 'something unknown'}), undefined);
	});

	test('Test getBBoxOfElementAsPath', function () {
		function getBBoxOfElementAsPath (elem, addSvgElementFromJson, pathActions) {
			var bbox = svgedit.utilities.getBBoxOfElementAsPath(elem, addSvgElementFromJson, pathActions);
			return svgedit.utilities.bboxToObj(bbox); // need this for QUnit equal() to work.
		}

		var bbox;
		var elem = mockCreateSVGElement({
			'element': 'path',
			'attr': {'id': 'path', 'd': 'M0,1 Z'}
		});
		svgroot.appendChild(elem);
		bbox = getBBoxOfElementAsPath(elem, mockAddSvgElementFromJson, mockPathActions);
		deepEqual(bbox, {x: 0, y: 1, width: 0, height: 0});
		svgroot.removeChild(elem);

		elem = mockCreateSVGElement({
			'element': 'rect',
			'attr': {'id': 'rect', 'x': '0', 'y': '1', 'width': '5', 'height': '10'}
		});
		svgroot.appendChild(elem);
		bbox = getBBoxOfElementAsPath(elem, mockAddSvgElementFromJson, mockPathActions);
		deepEqual(bbox, {x: 0, y: 1, width: 5, height: 10});
		svgroot.removeChild(elem);

		elem = mockCreateSVGElement({
			'element': 'line',
			'attr': {'id': 'line', 'x1': '0', 'y1': '1', 'x2': '5', 'y2': '6'}
		});
		svgroot.appendChild(elem);
		bbox = getBBoxOfElementAsPath(elem, mockAddSvgElementFromJson, mockPathActions);
		deepEqual(bbox, {x: 0, y: 1, width: 5, height: 5});
		svgroot.removeChild(elem);

		// TODO: test element with transform. Need resetOrientation above to be working or mock it.
	});

	test('Test convertToPath rect', function () {
		var convertToPath = svgedit.utilities.convertToPath;
		var attrs = {
			'fill': 'red',
			'stroke': 'white',
			'stroke-width': '1',
			'visibility': 'hidden'
		};

		var elem = mockCreateSVGElement({
			'element': 'rect',
			'attr': {'id': 'rect', 'x': '0', 'y': '1', 'width': '5', 'height': '10'}
		});
		svgroot.appendChild(elem);
		var path = convertToPath(elem, attrs, mockAddSvgElementFromJson, mockPathActions, mockClearSelection, mockAddToSelection, mockHistory, mockAddCommandToHistory);
		equal(path.getAttribute('d'), 'M0,1 L5,1 L5,11 L0,11 L0,1 Z');
		equal(path.getAttribute('visibilituy'), null);
		equal(path.id, 'rect');
		equal(path.parentNode, svgroot);
		equal(elem.parentNode, null);
		equal(mockHistorySubCommands.length, 2);
		equal(mockCount.clearSelection, 1);
		equal(mockCount.addToSelection, 1);
		equal(mockCount.addCommandToHistory, 1);
		svgroot.removeChild(path);
	});

	test('Test convertToPath unknown element', function () {
		var convertToPath = svgedit.utilities.convertToPath;
		var attrs = {
			'fill': 'red',
			'stroke': 'white',
			'stroke-width': '1',
			'visibility': 'hidden'
		};

		var elem = {
			tagName: 'something unknown',
			id: 'something-unknown',
			getAttribute: function (attr) { return ''; },
			parentNode: svgroot
		};
		var path = convertToPath(elem, attrs, mockAddSvgElementFromJson, mockPathActions, mockClearSelection, mockAddToSelection, mockHistory, mockAddCommandToHistory);
		equal(path, null);
		equal(elem.parentNode, svgroot);
		equal(mockHistorySubCommands.length, 0);
		equal(mockCount.clearSelection, 0);
		equal(mockCount.addToSelection, 0);
		equal(mockCount.addCommandToHistory, 0);
	});
});