/**
 * @author arodic / https://github.com/arodic
 */
 /*jshint sub:true*/
import THREE from 'three'

var GizmoMaterial = function ( parameters ) {

	THREE.MeshBasicMaterial.call( this );

	this.depthTest = false;
	this.depthWrite = false;
	this.side = THREE.FrontSide;
	this.transparent = true;

	this.setValues( parameters );

	this.oldColor = this.color.clone();
	this.oldOpacity = this.opacity;

	this.highlight = function( highlighted ) {

		if ( highlighted ) {

			this.color.setRGB( 1, 1, 0 );
			this.opacity = 1;

		} else {

				this.color.copy( this.oldColor );
				this.opacity = this.oldOpacity;

		}

	};

};

GizmoMaterial.prototype = Object.create( THREE.MeshBasicMaterial.prototype );

var GizmoLineMaterial = function ( parameters ) {

	THREE.LineBasicMaterial.call( this );

	this.depthTest = false;
	this.depthWrite = false;
	this.transparent = true;
	this.linewidth = 1;

	this.setValues( parameters );

	this.oldColor = this.color.clone();
	this.oldOpacity = this.opacity;

	this.highlight = function( highlighted ) {

		if ( highlighted ) {

			this.color.setRGB( 1, 1, 0 );
			this.opacity = 1;

		} else {

				this.color.copy( this.oldColor );
				this.opacity = this.oldOpacity;

		}

	};

};

GizmoLineMaterial.prototype = Object.create( THREE.LineBasicMaterial.prototype );

THREE.TransformGizmo = function () {

	var scope = this;
	var showPickers = false; //debug
	var showActivePlane = false; //debug

	this.init = function () {

		THREE.Object3D.call( this );

		this.handles = new THREE.Object3D();
		this.pickers = new THREE.Object3D();
		this.planes = new THREE.Object3D();

		this.add(this.handles);
		this.add(this.pickers);
		this.add(this.planes);

		//// PLANES

		var planeGeometry = new THREE.PlaneGeometry( 50, 50, 2, 2 );
		var planeMaterial = new THREE.MeshBasicMaterial( { wireframe: true } );
		planeMaterial.side = THREE.DoubleSide;

		var planes = {
			"XY":   new THREE.Mesh( planeGeometry, planeMaterial ),
			"YZ":   new THREE.Mesh( planeGeometry, planeMaterial ),
			"XZ":   new THREE.Mesh( planeGeometry, planeMaterial ),
			"XYZE": new THREE.Mesh( planeGeometry, planeMaterial )
		};

		this.activePlane = planes["XYZE"];

		planes["YZ"].rotation.set( 0, Math.PI/2, 0 );
		planes["XZ"].rotation.set( -Math.PI/2, 0, 0 );

		for (var i in planes) {
			planes[i].name = i;
			this.planes.add(planes[i]);
			this.planes[i] = planes[i];
			planes[i].visible = false;
		}

		//// HANDLES AND PICKERS

		var setupGizmos = function( gizmoMap, parent ) {

			for ( var name in gizmoMap ) {

				for ( i = gizmoMap[name].length; i--;) {

					var object = gizmoMap[name][i][0];
					var position = gizmoMap[name][i][1];
					var rotation = gizmoMap[name][i][2];

					object.name = name;

					if ( position ) object.position.set( position[0], position[1], position[2] );
					if ( rotation ) object.rotation.set( rotation[0], rotation[1], rotation[2] );

					parent.add( object );

				}

			}

		};

		setupGizmos(this.handleGizmos, this.handles);
		setupGizmos(this.pickerGizmos, this.pickers);

		// reset Transformations

		this.traverse(function ( child ) {
			if (child instanceof THREE.Mesh) {
				child.updateMatrix();

				var tempGeometry = new THREE.Geometry();
				tempGeometry.merge( child.geometry, child.matrix );

				child.geometry = tempGeometry;
				child.position.set( 0, 0, 0 );
				child.rotation.set( 0, 0, 0 );
				child.scale.set( 1, 1, 1 );
			}
		});

	};

	this.hide = function () {
		this.traverse(function( child ) {
			child.visible = false;
		});
	};

	this.show = function () {
		this.traverse(function( child ) {
			child.visible = true;
			if (child.parent == scope.pickers ) child.visible = showPickers;
			if (child.parent == scope.planes ) child.visible = false;
		});
		this.activePlane.visible = showActivePlane;
	};

	this.highlight = function ( axis ) {
		this.traverse(function( child ) {
			if ( child.material && child.material.highlight ){
				if ( child.name == axis ) {
					child.material.highlight( true );
				} else {
					child.material.highlight( false );
				}
			}
		});
	};

};

THREE.TransformGizmo.prototype = Object.create( THREE.Object3D.prototype );

THREE.TransformGizmo.prototype.update = function ( rotation, eye ) {

	var vec1 = new THREE.Vector3( 0, 0, 0 );
	var vec2 = new THREE.Vector3( 0, 1, 0 );
	var lookAtMatrix = new THREE.Matrix4();

	this.traverse(function(child) {
		if ( child.name.search("E") != -1 ) {
			child.quaternion.setFromRotationMatrix( lookAtMatrix.lookAt( eye, vec1, vec2 ) );
		} else if ( child.name.search("X") != -1 || child.name.search("Y") != -1 || child.name.search("Z") != -1 ) {
			child.quaternion.setFromEuler( rotation );
		}
	});

};

THREE.TransformGizmoTranslate = function () {

	THREE.TransformGizmo.call( this );

	var arrowGeometry = new THREE.Geometry();
	var mesh = new THREE.Mesh( new THREE.CylinderGeometry( 0, 0.05, 0.2, 12, 1, false ) );
	mesh.position.y = 0.5;
	mesh.updateMatrix();

	arrowGeometry.merge( mesh.geometry, mesh.matrix );

	var lineXGeometry = new THREE.Geometry();
	lineXGeometry.vertices.push( new THREE.Vector3( 0, 0, 0 ), new THREE.Vector3( 1, 0, 0 ) );

	var lineYGeometry = new THREE.Geometry();
	lineYGeometry.vertices.push( new THREE.Vector3( 0, 0, 0 ), new THREE.Vector3( 0, 1, 0 ) );

	var lineZGeometry = new THREE.Geometry();
	lineZGeometry.vertices.push( new THREE.Vector3( 0, 0, 0 ), new THREE.Vector3( 0, 0, 1 ) );

	this.handleGizmos = {
		X: [
			[ new THREE.Mesh( arrowGeometry, new GizmoMaterial( { color: 0xff0000 } ) ), [ 0.5, 0, 0 ], [ 0, 0, -Math.PI/2 ] ],
			[ new THREE.Line( lineXGeometry, new GizmoLineMaterial( { color: 0xff0000 } ) ) ]
		],
		Y: [
			[ new THREE.Mesh( arrowGeometry, new GizmoMaterial( { color: 0x00ff00 } ) ), [ 0, 0.5, 0 ] ],
			[	new THREE.Line( lineYGeometry, new GizmoLineMaterial( { color: 0x00ff00 } ) ) ]
		],
		Z: [
			[ new THREE.Mesh( arrowGeometry, new GizmoMaterial( { color: 0x0000ff } ) ), [ 0, 0, 0.5 ], [ Math.PI/2, 0, 0 ] ],
			[ new THREE.Line( lineZGeometry, new GizmoLineMaterial( { color: 0x0000ff } ) ) ]
		],
		XYZ: [
			[ new THREE.Mesh( new THREE.OctahedronGeometry( 0.1, 0 ), new GizmoMaterial( { color: 0xffffff, opacity: 0.25 } ) ), [ 0, 0, 0 ], [ 0, 0, 0 ] ]
		],
		XY: [
			[ new THREE.Mesh( new THREE.PlaneGeometry( 0.29, 0.29 ), new GizmoMaterial( { color: 0xffff00, opacity: 0.25 } ) ), [ 0.15, 0.15, 0 ] ]
		],
		YZ: [
			[ new THREE.Mesh( new THREE.PlaneGeometry( 0.29, 0.29 ), new GizmoMaterial( { color: 0x00ffff, opacity: 0.25 } ) ), [ 0, 0.15, 0.15 ], [ 0, Math.PI/2, 0 ] ]
		],
		XZ: [
			[ new THREE.Mesh( new THREE.PlaneGeometry( 0.29, 0.29 ), new GizmoMaterial( { color: 0xff00ff, opacity: 0.25 } ) ), [ 0.15, 0, 0.15 ], [ -Math.PI/2, 0, 0 ] ]
		]
	};

	this.pickerGizmos = {
		X: [
			[ new THREE.Mesh( new THREE.CylinderGeometry( 0.2, 0, 1, 4, 1, false ), new GizmoMaterial( { color: 0xff0000, opacity: 0.25 } ) ), [ 0.6, 0, 0 ], [ 0, 0, -Math.PI/2 ] ]
		],
		Y: [
			[ new THREE.Mesh( new THREE.CylinderGeometry( 0.2, 0, 1, 4, 1, false ), new GizmoMaterial( { color: 0x00ff00, opacity: 0.25 } ) ), [ 0, 0.6, 0 ] ]
		],
		Z: [
			[ new THREE.Mesh( new THREE.CylinderGeometry( 0.2, 0, 1, 4, 1, false ), new GizmoMaterial( { color: 0x0000ff, opacity: 0.25 } ) ), [ 0, 0, 0.6 ], [ Math.PI/2, 0, 0 ] ]
		],
		XYZ: [
			[ new THREE.Mesh( new THREE.OctahedronGeometry( 0.2, 0 ), new GizmoMaterial( { color: 0xffffff, opacity: 0.25 } ) ) ]
		],
		XY: [
			[ new THREE.Mesh( new THREE.PlaneGeometry( 0.4, 0.4 ), new GizmoMaterial( { color: 0xffff00, opacity: 0.25 } ) ), [ 0.2, 0.2, 0 ] ]
		],
		YZ: [
			[ new THREE.Mesh( new THREE.PlaneGeometry( 0.4, 0.4 ), new GizmoMaterial( { color: 0x00ffff, opacity: 0.25 } ) ), [ 0, 0.2, 0.2 ], [ 0, Math.PI/2, 0 ] ]
		],
		XZ: [
			[ new THREE.Mesh( new THREE.PlaneGeometry( 0.4, 0.4 ), new GizmoMaterial( { color: 0xff00ff, opacity: 0.25 } ) ), [ 0.2, 0, 0.2 ], [ -Math.PI/2, 0, 0 ] ]
		]
	};

	this.setActivePlane = function ( axis, eye ) {

		var tempMatrix = new THREE.Matrix4();
		eye.applyMatrix4( tempMatrix.getInverse( tempMatrix.extractRotation( this.planes[ "XY" ].matrixWorld ) ) );

		if ( axis == "X" ) {
			this.activePlane = this.planes[ "XY" ];
			if ( Math.abs(eye.y) > Math.abs(eye.z) ) this.activePlane = this.planes[ "XZ" ];
		}

		if ( axis == "Y" ){
			this.activePlane = this.planes[ "XY" ];
			if ( Math.abs(eye.x) > Math.abs(eye.z) ) this.activePlane = this.planes[ "YZ" ];
		}

		if ( axis == "Z" ){
			this.activePlane = this.planes[ "XZ" ];
			if ( Math.abs(eye.x) > Math.abs(eye.y) ) this.activePlane = this.planes[ "YZ" ];
		}

		if ( axis == "XYZ" ) this.activePlane = this.planes[ "XYZE" ];

		if ( axis == "XY" ) this.activePlane = this.planes[ "XY" ];

		if ( axis == "YZ" ) this.activePlane = this.planes[ "YZ" ];

		if ( axis == "XZ" ) this.activePlane = this.planes[ "XZ" ];

		this.hide();
		this.show();

	};

	this.init();

};

THREE.TransformGizmoTranslate.prototype = Object.create( THREE.TransformGizmo.prototype );

THREE.TransformGizmoRotate = function () {

	THREE.TransformGizmo.call( this );

	var CircleGeometry = function ( radius, facing, arc ) {

			var geometry = new THREE.Geometry();
			arc = arc ? arc : 1;
			for ( var i = 0; i <= 64 * arc; ++i ) {
				if ( facing == 'x' ) geometry.vertices.push( new THREE.Vector3( 0, Math.cos( i / 32 * Math.PI ), Math.sin( i / 32 * Math.PI ) ).multiplyScalar(radius) );
				if ( facing == 'y' ) geometry.vertices.push( new THREE.Vector3( Math.cos( i / 32 * Math.PI ), 0, Math.sin( i / 32 * Math.PI ) ).multiplyScalar(radius) );
				if ( facing == 'z' ) geometry.vertices.push( new THREE.Vector3( Math.sin( i / 32 * Math.PI ), Math.cos( i / 32 * Math.PI ), 0 ).multiplyScalar(radius) );
			}

			return geometry;
	};

	this.handleGizmos = {
		X: [
			[ new THREE.Line( new CircleGeometry(1,'x',0.5), new GizmoLineMaterial( { color: 0xff0000 } ) ) ]
		],
		Y: [
			[ new THREE.Line( new CircleGeometry(1,'y',0.5), new GizmoLineMaterial( { color: 0x00ff00 } ) ) ]
		],
		Z: [
			[ new THREE.Line( new CircleGeometry(1,'z',0.5), new GizmoLineMaterial( { color: 0x0000ff } ) ) ]
		],
		E: [
			[ new THREE.Line( new CircleGeometry(1.25,'z',1), new GizmoLineMaterial( { color: 0xcccc00 } ) ) ]
		],
		XYZE: [
			[ new THREE.Line( new CircleGeometry(1,'z',1), new GizmoLineMaterial( { color: 0x787878 } ) ) ]
		]
	};

	this.pickerGizmos = {
		X: [
			[ new THREE.Mesh( new THREE.TorusGeometry( 1, 0.12, 4, 12, Math.PI ), new GizmoMaterial( { color: 0xff0000, opacity: 0.25 } ) ), [ 0, 0, 0 ], [ 0, -Math.PI/2, -Math.PI/2 ] ]
		],
		Y: [
			[ new THREE.Mesh( new THREE.TorusGeometry( 1, 0.12, 4, 12, Math.PI ), new GizmoMaterial( { color: 0x00ff00, opacity: 0.25 } ) ), [ 0, 0, 0 ], [ Math.PI/2, 0, 0 ] ]
		],
		Z: [
			[ new THREE.Mesh( new THREE.TorusGeometry( 1, 0.12, 4, 12, Math.PI ), new GizmoMaterial( { color: 0x0000ff, opacity: 0.25 } ) ), [ 0, 0, 0 ], [ 0, 0, -Math.PI/2 ] ]
		],
		E: [
			[ new THREE.Mesh( new THREE.TorusGeometry( 1.25, 0.12, 2, 24 ), new GizmoMaterial( { color: 0xffff00, opacity: 0.25 } ) ) ]
		],
		XYZE: [
			[ new THREE.Mesh( new THREE.Geometry() ) ]// TODO
		]
	};

	this.setActivePlane = function ( axis ) {

		if ( axis == "E" ) this.activePlane = this.planes[ "XYZE" ];

		if ( axis == "X" ) this.activePlane = this.planes[ "YZ" ];

		if ( axis == "Y" ) this.activePlane = this.planes[ "XZ" ];

		if ( axis == "Z" ) this.activePlane = this.planes[ "XY" ];

		this.hide();
		this.show();

	};

	this.update = function ( rotation, eye2 ) {

		THREE.TransformGizmo.prototype.update.apply( this, arguments );

		var group = {
			handles: this["handles"],
			pickers: this["pickers"],
		};

		var tempMatrix = new THREE.Matrix4();
		var worldRotation = new THREE.Euler( 0, 0, 1 );
		var tempQuaternion = new THREE.Quaternion();
		var unitX = new THREE.Vector3( 1, 0, 0 );
		var unitY = new THREE.Vector3( 0, 1, 0 );
		var unitZ = new THREE.Vector3( 0, 0, 1 );
		var quaternionX = new THREE.Quaternion();
		var quaternionY = new THREE.Quaternion();
		var quaternionZ = new THREE.Quaternion();
		var eye = eye2.clone();

		worldRotation.copy( this.planes["XY"].rotation );
		tempQuaternion.setFromEuler( worldRotation );

		tempMatrix.makeRotationFromQuaternion( tempQuaternion ).getInverse( tempMatrix );
		eye.applyMatrix4( tempMatrix );

		this.traverse(function(child) {

			tempQuaternion.setFromEuler( worldRotation );

			if ( child.name == "X" ) {
				quaternionX.setFromAxisAngle( unitX, Math.atan2( -eye.y, eye.z ) );
				tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionX );
				child.quaternion.copy( tempQuaternion );
			}

			if ( child.name == "Y" ) {
				quaternionY.setFromAxisAngle( unitY, Math.atan2( eye.x, eye.z ) );
				tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionY );
				child.quaternion.copy( tempQuaternion );
			}

			if ( child.name == "Z" ) {
				quaternionZ.setFromAxisAngle( unitZ, Math.atan2( eye.y, eye.x ) );
				tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionZ );
				child.quaternion.copy( tempQuaternion );
			}

		});

	};

	this.init();

};

THREE.TransformGizmoRotate.prototype = Object.create( THREE.TransformGizmo.prototype );

THREE.TransformGizmoScale = function () {

	THREE.TransformGizmo.call( this );

	var arrowGeometry = new THREE.Geometry();
	var mesh = new THREE.Mesh( new THREE.BoxGeometry( 0.125, 0.125, 0.125 ) );
	mesh.position.y = 0.5;
	mesh.updateMatrix();

	arrowGeometry.merge( mesh.geometry, mesh.matrix );

	var lineXGeometry = new THREE.Geometry();
	lineXGeometry.vertices.push( new THREE.Vector3( 0, 0, 0 ), new THREE.Vector3( 1, 0, 0 ) );

	var lineYGeometry = new THREE.Geometry();
	lineYGeometry.vertices.push( new THREE.Vector3( 0, 0, 0 ), new THREE.Vector3( 0, 1, 0 ) );

	var lineZGeometry = new THREE.Geometry();
	lineZGeometry.vertices.push( new THREE.Vector3( 0, 0, 0 ), new THREE.Vector3( 0, 0, 1 ) );

	this.handleGizmos = {
		X: [
			[ new THREE.Mesh( arrowGeometry, new GizmoMaterial( { color: 0xff0000 } ) ), [ 0.5, 0, 0 ], [ 0, 0, -Math.PI/2 ] ],
			[ new THREE.Line( lineXGeometry, new GizmoLineMaterial( { color: 0xff0000 } ) ) ]
		],
		Y: [
			[ new THREE.Mesh( arrowGeometry, new GizmoMaterial( { color: 0x00ff00 } ) ), [ 0, 0.5, 0 ] ],
			[ new THREE.Line( lineYGeometry, new GizmoLineMaterial( { color: 0x00ff00 } ) ) ]
		],
		Z: [
			[ new THREE.Mesh( arrowGeometry, new GizmoMaterial( { color: 0x0000ff } ) ), [ 0, 0, 0.5 ], [ Math.PI/2, 0, 0 ] ],
			[ new THREE.Line( lineZGeometry, new GizmoLineMaterial( { color: 0x0000ff } ) ) ]
		],
		XYZ: [
			[ new THREE.Mesh( new THREE.BoxGeometry( 0.125, 0.125, 0.125 ), new GizmoMaterial( { color: 0xffffff, opacity: 0.25 } ) ) ]
		]
	};

	this.pickerGizmos = {
		X: [
			[ new THREE.Mesh( new THREE.CylinderGeometry( 0.2, 0, 1, 4, 1, false ), new GizmoMaterial( { color: 0xff0000, opacity: 0.25 } ) ), [ 0.6, 0, 0 ], [ 0, 0, -Math.PI/2 ] ]
		],
		Y: [
			[ new THREE.Mesh( new THREE.CylinderGeometry( 0.2, 0, 1, 4, 1, false ), new GizmoMaterial( { color: 0x00ff00, opacity: 0.25 } ) ), [ 0, 0.6, 0 ] ]
		],
		Z: [
			[ new THREE.Mesh( new THREE.CylinderGeometry( 0.2, 0, 1, 4, 1, false ), new GizmoMaterial( { color: 0x0000ff, opacity: 0.25 } ) ), [ 0, 0, 0.6 ], [ Math.PI/2, 0, 0 ] ]
		],
		XYZ: [
			[ new THREE.Mesh( new THREE.BoxGeometry( 0.4, 0.4, 0.4 ), new GizmoMaterial( { color: 0xffffff, opacity: 0.25 } ) ) ]
		]
	};

	this.setActivePlane = function ( axis, eye ) {

		var tempMatrix = new THREE.Matrix4();
		eye.applyMatrix4( tempMatrix.getInverse( tempMatrix.extractRotation( this.planes[ "XY" ].matrixWorld ) ) );

		if ( axis == "X" ) {
			this.activePlane = this.planes[ "XY" ];
			if ( Math.abs(eye.y) > Math.abs(eye.z) ) this.activePlane = this.planes[ "XZ" ];
		}

		if ( axis == "Y" ){
			this.activePlane = this.planes[ "XY" ];
			if ( Math.abs(eye.x) > Math.abs(eye.z) ) this.activePlane = this.planes[ "YZ" ];
		}

		if ( axis == "Z" ){
			this.activePlane = this.planes[ "XZ" ];
			if ( Math.abs(eye.x) > Math.abs(eye.y) ) this.activePlane = this.planes[ "YZ" ];
		}

		if ( axis == "XYZ" ) this.activePlane = this.planes[ "XYZE" ];

		this.hide();
		this.show();

	};

	this.init();

};

THREE.TransformGizmoScale.prototype = Object.create( THREE.TransformGizmo.prototype );

var TransformControls = function ( camera, domElement ) {

	// TODO: Make non-uniform scale and rotate play nice in hierarchies
	// TODO: ADD RXYZ contol

	THREE.Object3D.call( this );

	//domElement = ( domElement !== undefined ) ? domElement : document;
	//console.log("attaching TransformControls to",domElement);

	this.gizmo = {};
	this.gizmo["translate"] = new THREE.TransformGizmoTranslate();
	this.gizmo["rotate"] = new THREE.TransformGizmoRotate();
	this.gizmo["scale"] = new THREE.TransformGizmoScale();

	this.add(this.gizmo["translate"]);
	this.add(this.gizmo["rotate"]);
	this.add(this.gizmo["scale"]);

	this.gizmo["translate"].hide();
	this.gizmo["rotate"].hide();
	this.gizmo["scale"].hide();

	this.object = undefined;
	this.snap = null;
	this.space = "world";
	this.size = 1;
	this.axis = null;

	this.enabled=true;

	var scope = this;

	var _dragging = false;
	var _mode = "translate";
	var _plane = "XY";

	var changeEvent = { type: "change" };
	var mouseDownEvent = { type: "mouseDown" };
	var mouseUpEvent = { type: "mouseUp", mode: _mode };
	var objectChangeEvent = { type: "objectChange" };

	var ray = new THREE.Raycaster();
	var pointerVector = new THREE.Vector3();

	var point = new THREE.Vector3();
	var offset = new THREE.Vector3();

	var rotation = new THREE.Vector3();
	var offsetRotation = new THREE.Vector3();
	var scale = 1;

	var lookAtMatrix = new THREE.Matrix4();
	var eye = new THREE.Vector3();

	var tempMatrix = new THREE.Matrix4();
	var tempVector = new THREE.Vector3();
	var tempQuaternion = new THREE.Quaternion();
	var unitX = new THREE.Vector3( 1, 0, 0 );
	var unitY = new THREE.Vector3( 0, 1, 0 );
	var unitZ = new THREE.Vector3( 0, 0, 1 );

	var quaternionXYZ = new THREE.Quaternion();
	var quaternionX = new THREE.Quaternion();
	var quaternionY = new THREE.Quaternion();
	var quaternionZ = new THREE.Quaternion();
	var quaternionE = new THREE.Quaternion();

	var oldPosition = new THREE.Vector3();
	var oldScale = new THREE.Vector3();
	var oldRotationMatrix = new THREE.Matrix4();

	var parentRotationMatrix  = new THREE.Matrix4();
	var parentScale = new THREE.Vector3();

	var worldPosition = new THREE.Vector3();
	var worldRotation = new THREE.Euler();
	var worldRotationMatrix  = new THREE.Matrix4();
	var camPosition = new THREE.Vector3();
	var camRotation = new THREE.Euler();

	/*domElement.addEventListener( "mousedown", onPointerDown, false );
	domElement.addEventListener( "touchstart", onPointerDown, false );

	domElement.addEventListener( "mousemove", onPointerHover, false );
	domElement.addEventListener( "touchmove", onPointerHover, false );

	domElement.addEventListener( "mousemove", onPointerMove, false );
	domElement.addEventListener( "touchmove", onPointerMove, false );

	domElement.addEventListener( "mouseup", onPointerUp, true );
	domElement.addEventListener( "mouseout", onPointerUp, true );
	domElement.addEventListener( "touchend", onPointerUp, true );
	domElement.addEventListener( "touchcancel", onPointerUp, true );
	domElement.addEventListener( "touchleave", onPointerUp, true );*/

	this.setDomElement = function(domElement){
		scope.domElement = ( domElement !== undefined ) ? domElement : document;

		domElement.addEventListener( "mousedown", onPointerDown, false );
		domElement.addEventListener( "touchstart", onPointerDown, false );

		domElement.addEventListener( "mousemove", onPointerHover, false );
		domElement.addEventListener( "touchmove", onPointerHover, false );

		domElement.addEventListener( "mousemove", onPointerMove, false );
		domElement.addEventListener( "touchmove", onPointerMove, false );

		domElement.addEventListener( "mouseup", onPointerUp, true );
		domElement.addEventListener( "mouseout", onPointerUp, true );
		domElement.addEventListener( "touchend", onPointerUp, true );
		domElement.addEventListener( "touchcancel", onPointerUp, true );
		domElement.addEventListener( "touchleave", onPointerUp, true );
	}

  this.setObservables=function(observables){
  	console.log("setting observables")
  	let {dragMoves$, zooms$} = observables

  }


	this.attach = function ( object ) {
		scope.object = object;

		this.gizmo["translate"].hide();
		this.gizmo["rotate"].hide();
		this.gizmo["scale"].hide();
		this.gizmo[_mode].show();

		scope.update();

	};

	this.detach = function ( object ) {
		scope.object = undefined;
		this.axis = null;

		this.gizmo["translate"].hide();
		this.gizmo["rotate"].hide();
		this.gizmo["scale"].hide();

	};

	this.setMode = function ( mode ) {

		_mode = mode ? mode : _mode;
		//_mode = mode

		if ( _mode == "scale" ) scope.space = "local";

		this.gizmo["translate"].hide();
		this.gizmo["rotate"].hide();
		this.gizmo["scale"].hide();
		//if(_mode)
		this.gizmo[_mode].show();

		this.update();
		scope.dispatchEvent( changeEvent );

	};

	this.setSnap = function ( snap ) {

		scope.snap = snap;

	};

	this.setSize = function ( size ) {

		scope.size = size;
		this.update();
		scope.dispatchEvent( changeEvent );

	};

	this.setSpace = function ( space ) {

		scope.space = space;
		this.update();
		scope.dispatchEvent( changeEvent );

	};

	this.update = function () {

		if ( scope.object === undefined ) return;
		if ( ! scope.enabled) return;

		scope.object.updateMatrixWorld();
		worldPosition.setFromMatrixPosition( scope.object.matrixWorld );
		worldRotation.setFromRotationMatrix( tempMatrix.extractRotation( scope.object.matrixWorld ) );

		camera.updateMatrixWorld();
		camPosition.setFromMatrixPosition( camera.matrixWorld );
		camRotation.setFromRotationMatrix( tempMatrix.extractRotation( camera.matrixWorld ) );

		scale = worldPosition.distanceTo( camPosition ) / 6 * scope.size;
		this.position.copy( worldPosition );
		this.scale.set( scale, scale, scale );

		eye.copy( camPosition ).sub( worldPosition ).normalize();

		if ( scope.space == "local" )
			this.gizmo[_mode].update( worldRotation, eye );

		else if ( scope.space == "world" )
			this.gizmo[_mode].update( new THREE.Euler(), eye );

		this.gizmo[_mode].highlight( scope.axis );

	};

	function onPointerHover( event ) {
        //  console.log("pointer move in Transform controls");
		if ( scope.object === undefined || _dragging === true ) return;

		event.preventDefault();

		var pointer = event.changedTouches ? event.changedTouches[ 0 ] : event;

		var intersect = intersectObjects( pointer, scope.gizmo[_mode].pickers.children );

		var axis = null;

		if ( intersect ) {

			axis = intersect.object.name;

		}

		if ( scope.axis !== axis ) {

			scope.axis = axis;
			scope.update();
			scope.dispatchEvent( changeEvent );

		}

	}

	function onPointerDown( event ) {
    //console.log("pointer down in Transform controls");
		if ( scope.object === undefined || _dragging === true ) return;

		event.preventDefault();
		//event.stopPropagation();

		var pointer = event.changedTouches ? event.changedTouches[ 0 ] : event;

		//console.log("pointer",pointer.button)

		if ( pointer.button === 0 || pointer.button === 2 || pointer.button === undefined ) {

			var intersect = intersectObjects( pointer, scope.gizmo[_mode].pickers.children );

			if ( intersect ) {

				//console.log("intersected")
				scope.dispatchEvent( mouseDownEvent );

				scope.axis = intersect.object.name;

				scope.update();

				eye.copy( camPosition ).sub( worldPosition ).normalize();

				scope.gizmo[_mode].setActivePlane( scope.axis, eye );

				var planeIntersect = intersectObjects( pointer, [scope.gizmo[_mode].activePlane] );

				oldPosition.copy( scope.object.position );
				oldScale.copy( scope.object.scale );

				oldRotationMatrix.extractRotation( scope.object.matrix );
				worldRotationMatrix.extractRotation( scope.object.matrixWorld );

				parentRotationMatrix.extractRotation( scope.object.parent.matrixWorld );
				parentScale.setFromMatrixScale( tempMatrix.getInverse( scope.object.parent.matrixWorld ) );

				offset.copy( planeIntersect.point );

			}

		}

		_dragging = true;

	}

	function onPointerMove( event ) {

		if ( scope.object === undefined || scope.axis === null || _dragging === false ) return;

		event.preventDefault();
		//event.stopPropagation();

		var pointer = event.changedTouches? event.changedTouches[0] : event;

		var planeIntersect = intersectObjects( pointer, [scope.gizmo[_mode].activePlane] );

		point.copy( planeIntersect.point );

		if ( _mode == "translate" ) {

			point.sub( offset );
			point.multiply(parentScale);

			if ( scope.space == "local" ) {

				point.applyMatrix4( tempMatrix.getInverse( worldRotationMatrix ) );

				if ( scope.axis.search("X") == -1 ) point.x = 0;
				if ( scope.axis.search("Y") == -1 ) point.y = 0;
				if ( scope.axis.search("Z") == -1 ) point.z = 0;

				point.applyMatrix4( oldRotationMatrix );

				scope.object.position.copy( oldPosition );
				scope.object.position.add( point );

			}

			if ( scope.space == "world" || scope.axis.search("XYZ") != -1 ) {

				if ( scope.axis.search("X") == -1 ) point.x = 0;
				if ( scope.axis.search("Y") == -1 ) point.y = 0;
				if ( scope.axis.search("Z") == -1 ) point.z = 0;

				point.applyMatrix4( tempMatrix.getInverse( parentRotationMatrix ) );

				scope.object.position.copy( oldPosition );
				scope.object.position.add( point );

			}

			if ( scope.snap !== null ) {

				if ( scope.axis.search("X") != -1 ) scope.object.position.x = Math.round( scope.object.position.x / scope.snap ) * scope.snap;
				if ( scope.axis.search("Y") != -1 ) scope.object.position.y = Math.round( scope.object.position.y / scope.snap ) * scope.snap;
				if ( scope.axis.search("Z") != -1 ) scope.object.position.z = Math.round( scope.object.position.z / scope.snap ) * scope.snap;

			}

		} else if ( _mode == "scale" ) {

			point.sub( offset );
			point.multiply(parentScale);

			if ( scope.space == "local" ) {

				if ( scope.axis == "XYZ") {

					scale = 1 + ( ( point.y ) / 50 );

					scope.object.scale.x = oldScale.x * scale;
					scope.object.scale.y = oldScale.y * scale;
					scope.object.scale.z = oldScale.z * scale;

				} else {

					point.applyMatrix4( tempMatrix.getInverse( worldRotationMatrix ) );

					if ( scope.axis == "X" ) scope.object.scale.x = oldScale.x * ( 1 + point.x / 50 );
					if ( scope.axis == "Y" ) scope.object.scale.y = oldScale.y * ( 1 + point.y / 50 );
					if ( scope.axis == "Z" ) scope.object.scale.z = oldScale.z * ( 1 + point.z / 50 );

				}

			}

		} else if ( _mode == "rotate" ) {

			point.sub( worldPosition );
			point.multiply(parentScale);
			tempVector.copy(offset).sub( worldPosition );
			tempVector.multiply(parentScale);

			if ( scope.axis == "E" ) {

				point.applyMatrix4( tempMatrix.getInverse( lookAtMatrix ) );
				tempVector.applyMatrix4( tempMatrix.getInverse( lookAtMatrix ) );

				rotation.set( Math.atan2( point.z, point.y ), Math.atan2( point.x, point.z ), Math.atan2( point.y, point.x ) );
				offsetRotation.set( Math.atan2( tempVector.z, tempVector.y ), Math.atan2( tempVector.x, tempVector.z ), Math.atan2( tempVector.y, tempVector.x ) );

				tempQuaternion.setFromRotationMatrix( tempMatrix.getInverse( parentRotationMatrix ) );

				quaternionE.setFromAxisAngle( eye, rotation.z - offsetRotation.z );
				quaternionXYZ.setFromRotationMatrix( worldRotationMatrix );

				tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionE );
				tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionXYZ );

				scope.object.quaternion.copy( tempQuaternion );

			} else if ( scope.axis == "XYZE" ) {

				quaternionE.setFromEuler( point.clone().cross(tempVector).normalize() ); // rotation axis

				tempQuaternion.setFromRotationMatrix( tempMatrix.getInverse( parentRotationMatrix ) );
				quaternionX.setFromAxisAngle( quaternionE, - point.clone().angleTo(tempVector) );
				quaternionXYZ.setFromRotationMatrix( worldRotationMatrix );

				tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionX );
				tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionXYZ );

				scope.object.quaternion.copy( tempQuaternion );

			} else if ( scope.space == "local" ) {

				point.applyMatrix4( tempMatrix.getInverse( worldRotationMatrix ) );

				tempVector.applyMatrix4( tempMatrix.getInverse( worldRotationMatrix ) );

				rotation.set( Math.atan2( point.z, point.y ), Math.atan2( point.x, point.z ), Math.atan2( point.y, point.x ) );
				offsetRotation.set( Math.atan2( tempVector.z, tempVector.y ), Math.atan2( tempVector.x, tempVector.z ), Math.atan2( tempVector.y, tempVector.x ) );

				quaternionXYZ.setFromRotationMatrix( oldRotationMatrix );
				quaternionX.setFromAxisAngle( unitX, rotation.x - offsetRotation.x );
				quaternionY.setFromAxisAngle( unitY, rotation.y - offsetRotation.y );
				quaternionZ.setFromAxisAngle( unitZ, rotation.z - offsetRotation.z );

				if ( scope.axis == "X" ) quaternionXYZ.multiplyQuaternions( quaternionXYZ, quaternionX );
				if ( scope.axis == "Y" ) quaternionXYZ.multiplyQuaternions( quaternionXYZ, quaternionY );
				if ( scope.axis == "Z" ) quaternionXYZ.multiplyQuaternions( quaternionXYZ, quaternionZ );

				scope.object.quaternion.copy( quaternionXYZ );

			} else if ( scope.space == "world" ) {

				rotation.set( Math.atan2( point.z, point.y ), Math.atan2( point.x, point.z ), Math.atan2( point.y, point.x ) );
				offsetRotation.set( Math.atan2( tempVector.z, tempVector.y ), Math.atan2( tempVector.x, tempVector.z ), Math.atan2( tempVector.y, tempVector.x ) );

				tempQuaternion.setFromRotationMatrix( tempMatrix.getInverse( parentRotationMatrix ) );

				quaternionX.setFromAxisAngle( unitX, rotation.x - offsetRotation.x );
				quaternionY.setFromAxisAngle( unitY, rotation.y - offsetRotation.y );
				quaternionZ.setFromAxisAngle( unitZ, rotation.z - offsetRotation.z );
				quaternionXYZ.setFromRotationMatrix( worldRotationMatrix );

				if ( scope.axis == "X" ) tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionX );
				if ( scope.axis == "Y" ) tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionY );
				if ( scope.axis == "Z" ) tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionZ );

				tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionXYZ );

				scope.object.quaternion.copy( tempQuaternion );

			}

		}

		scope.update();
		scope.dispatchEvent( changeEvent );
		scope.dispatchEvent( objectChangeEvent );

	}

	function onPointerUp( event ) {
    //console.log("pointer up in transform controls");
		if ( _dragging && ( scope.axis !== null ) ) {
			mouseUpEvent.mode = _mode;
			scope.dispatchEvent( mouseUpEvent )
			/*event.preventDefault();
		  event.stopPropagation();
		  event.stopImmediatePropagation();*/
		}
		_dragging = false;
		onPointerHover( event );

	}

	function intersectObjects( pointer, objects ) {

		var rect = scope.domElement.getBoundingClientRect();
		var x = ( pointer.clientX - rect.left ) / rect.width;
		var y = ( pointer.clientY - rect.top ) / rect.height;

		pointerVector.set( ( x * 2 ) - 1, - ( y * 2 ) + 1, 0.5 );
		pointerVector.unproject( camera );

		ray.set( camPosition, pointerVector.sub( camPosition ).normalize() );

		var intersections = ray.intersectObjects( objects, true );
		return intersections[0] ? intersections[0] : false;

	}

};

TransformControls.prototype = Object.create( THREE.Object3D.prototype );

export default TransformControls
