if (typeof AFRAME === 'undefined') {
    throw new Error('Component attempted to register before AFRAME was available.');
}

AFRAME.registerComponent('scene-utils', {


    init: function () {


        const sceneEnterVR = (e) => {

            //vwf_view.kernel.callMethod(vwf.application(), "enterVR");

        }

        const sceneExitVR = (e) => {

            //vwf_view.kernel.callMethod(vwf.application(), "exitVR");
        }

        this.el.sceneEl.addEventListener('enter-vr', sceneEnterVR);
        this.el.sceneEl.addEventListener('exit-vr', sceneExitVR);

    },

    update: function () {
    },

    tick: function (t) {
    }
})


AFRAME.registerComponent('linepath', {
    schema: {
        color: { default: '#000' },
        width: { default: 0.01 },
        path: {
            default: [
                { x: -0.5, y: 0, z: 0 },
                { x: 0.5, y: 0, z: 0 }
            ]

            // Deserialize path in the form of comma-separated vec3s: `0 0 0, 1 1 1, 2 0 3`.
            // parse: function (value) {
            //   return value.split(',').map(coordinates.parse);
            // },

            // Serialize array of vec3s in case someone does setAttribute('line', 'path', [...]).
            // stringify: function (data) {
            //   return data.map(coordinates.stringify).join(',');
            // }
        }
    },

    update: function () {
        var material = new MeshLineMaterial({
            color: new THREE.Color(this.data.color), //this.data.color
            lineWidth: this.data.width
        });

        var geometry = new THREE.Geometry();
        this.data.path.forEach(function (vec3) {
            geometry.vertices.push(
                new THREE.Vector3(vec3.x, vec3.y, vec3.z)
            );
        });

        let line = new MeshLine();
        line.setGeometry(geometry);

        //new THREE.Line(geometry, material)

        this.el.setObject3D('mesh', new THREE.Mesh(line.geometry, material));
    },

    remove: function () {
        this.el.removeObject3D('mesh');
    }
});


AFRAME.registerComponent('gizmo', {

    schema: {
        mode: { default: 'translate' }
    },

    update: function (old) {
        let modes = ['translate', 'rotate', 'scale'];
        if (!this.gizmo) {
            let newMode = modes.filter(el => {
                return el == this.data.mode
            })
            if (newMode.length !== 0) {
                this.mode = this.data.mode
                this.transformControls.setMode(this.mode)
            }
        }
    },

    init: function () {
        let self = this
        this.mode = this.data.mode
        let activeCamera = document.querySelector('#avatarControl').getObject3D('camera');
        let renderer = this.el.sceneEl.renderer;

        this.transformControls = new THREE.TransformControls(activeCamera, renderer.domElement);

        this.transformControls.attach(this.el.object3D);
        this.el.sceneEl.setObject3D('control-' + this.el.id, this.transformControls);

        this.transformControls.addEventListener('change', function (evt) {
            // console.log('changed');
            var object = self.transformControls.object;
            if (object === undefined) {
                return;
            }

            var transformMode = self.transformControls.getMode();
            switch (transformMode) {
                case 'translate':
                    vwf_view.kernel.setProperty(object.el.id, 'position',
                        [object.position.x, object.position.y, object.position.z])

                    break;
                case 'rotate':
                    vwf_view.kernel.setProperty(object.el.id, 'rotation',
                        [THREE.Math.radToDeg(object.rotation.x), THREE.Math.radToDeg(object.rotation.y), THREE.Math.radToDeg(object.rotation.z)])

                    break;
                case 'scale':
                    vwf_view.kernel.setProperty(object.el.id, 'scale',
                        [object.scale.x, object.scale.y, object.scale.z])

                    break;
            }

            //vwf_view.kernel.fireEvent(evt.detail.target.id, "clickEvent")
        });
    },

    remove: function () {
        this.transformControls.detach();
        this.el.sceneEl.removeObject3D('control-' + this.el.id);

    },

    tick: function (t) {
        this.transformControls.update();
    }

});



AFRAME.registerComponent('cursor-listener', {
    init: function () {
        this.el.addEventListener('click', function (evt) {
            console.log('I was clicked at: ', evt.detail.intersection.point);
            let cursorID = 'cursor-avatar-' + vwf_view.kernel.moniker();
            if (evt.detail.cursorEl.id.includes(vwf_view.kernel.moniker())) {
                vwf_view.kernel.fireEvent(evt.detail.intersection.object.el.id, "clickEvent", [vwf_view.kernel.moniker()])
            }

            //vwf_view.kernel.fireEvent(evt.detail.target.id, "clickEvent")
        });
    }
});

AFRAME.registerComponent('raycaster-listener', {
    init: function () {

        let self = this;
        this.intersected = false;
        this.casters = {}

        this.el.addEventListener('raycaster-intersected', function (evt) {

            if (evt.detail.el.nodeName == 'A-CURSOR') {
                //console.log('CURSOR was intersected at: ', evt.detail.intersection.point);

            } else {
                if (self.intersected) {


                } else {
                    console.log('I was intersected at: ', evt.target);//evt.detail.getIntersection().point);
                    //evt.detail.intersection.object.el.id
                    vwf_view.kernel.fireEvent(evt.target.id, "intersectEvent")
                }

                self.casters[evt.target.id] = evt.target;
                self.intersected = true;
            }

        });

        this.el.addEventListener('raycaster-intersected-cleared', function (evt) {


            if (evt.detail.el.nodeName == 'A-CURSOR') {
                //console.log('CURSOR was intersected at: ', evt.detail.intersection.point);

            } else {
                if (self.intersected) {
                    console.log('Clear intersection');
                    if (Object.entries(self.casters).length == 1 && (self.casters[evt.target.id] !== undefined)) {
                        vwf_view.kernel.fireEvent(evt.target.id, "clearIntersectEvent")
                    }
                    delete self.casters[evt.target.id]
                } else { }

                self.intersected = false;
            }



        });


    }
});

AFRAME.registerComponent('envmap', {

    /**
     * Creates a new THREE.ShaderMaterial using the two shaders defined
     * in vertex.glsl and fragment.glsl.
     */
    init: function () {
        const data = this.data;

        //this.applyToMesh();
        this.el.addEventListener('model-loaded', () => this.applyToMesh());
    },
    /**
     * Update the ShaderMaterial when component data changes.
     */
    update: function () {

    },

    getEnvMap: function () {

        var path = './assets/textures/skybox2/';
        var format = '.jpg';
        var urls = [
            path + 'px' + format, path + 'nx' + format,
            path + 'py' + format, path + 'ny' + format,
            path + 'pz' + format, path + 'nz' + format
        ];

        envMap = new THREE.CubeTextureLoader().load(urls);
        envMap.format = THREE.RGBFormat;
        return envMap;

    },

    /**
     * Apply the material to the current entity.
     */
    applyToMesh: function () {

        const mesh = this.el.getObject3D('mesh');
        //var scene = mesh;
        var envMap = this.getEnvMap();


        mesh.traverse(function (node) {

            if (node.material) {

                node.material.side = THREE.BackSide;
                node.material.needsUpdate = true;
                //side = THREE.DoubleSide; break;

            }

        });

        mesh.traverse(function (node) {

            if (node.material && (node.material.isMeshStandardMaterial ||
                (node.material.isShaderMaterial && node.material.envMap !== undefined))) {

                node.material.envMap = envMap;
                node.material.needsUpdate = true;


            }

        });

        // const mesh = this.el.getObject3D('mesh');
        // if (mesh) {
        //   mesh.material = this.material;
        // }

    },
    /**
     * On each frame, update the 'time' uniform in the shaders.
     */
    tick: function (t) {

    }
})

//https://threejs.org/examples/webgl_shaders_sky.html

AFRAME.registerComponent('skyshader', {


    makeSun: function () {
        let sunSphere = new THREE.Mesh(
            new THREE.SphereBufferGeometry(20000, 16, 8),
            new THREE.MeshBasicMaterial({ color: 0xffffff })
        );
        sunSphere.position.y = - 700000;
        sunSphere.visible = true;

        let scene = this.el.sceneEl;
        this.el.sceneEl.setObject3D('sun', sunSphere);
    },

    init: function () {

        //let sunSphereEl = document.querySelector('a-scene').querySelector('#sun');
        //this.sunSphere = sunSphereEl.object3D;
        this.makeSun();
        this.sunSphere = this.el.sceneEl.getObject3D('sun');

        this.sky = new THREE.Sky();
        let scene = this.el.sceneEl;


        let effectController = {
            turbidity: 5,
            rayleigh: 2,
            mieCoefficient: 0.005,
            mieDirectionalG: 0.8,
            luminance: 1,
            inclination: 0, // elevation / inclination
            azimuth: 0.25, // Facing front,
            sun: ! true
        };

        let uniforms = this.sky.uniforms;
        uniforms.turbidity.value = effectController.turbidity;
        uniforms.rayleigh.value = effectController.rayleigh;
        uniforms.luminance.value = effectController.luminance;
        uniforms.mieCoefficient.value = effectController.mieCoefficient;
        uniforms.mieDirectionalG.value = effectController.mieDirectionalG;

        this.el.setObject3D('mesh', this.sky.mesh);

        let distance = 400000;

        var theta = Math.PI * (effectController.inclination - 0.5);
        var phi = 2 * Math.PI * (effectController.azimuth - 0.5);

        this.sunSphere.position.x = distance * Math.cos(phi);
        this.sunSphere.position.y = distance * Math.sin(phi) * Math.sin(theta);
        this.sunSphere.position.z = distance * Math.sin(phi) * Math.cos(theta);

        this.sunSphere.visible = effectController.sun;
        this.sky.uniforms.sunPosition.value.copy(this.sunSphere.position);


    },

    update: function () {

    },

    tick: function (t) {

    }
})

AFRAME.registerComponent('sun', {


    init: function () {

        this.sunSphere = new THREE.Mesh(
            new THREE.SphereBufferGeometry(20000, 16, 8),
            new THREE.MeshBasicMaterial({ color: 0xffffff })
        );
        this.sunSphere.position.y = - 700000;
        this.sunSphere.visible = true;

        this.el.setObject3D('mesh', this.sunSphere);

    },

    update: function () {
    },

    tick: function (t) {
    }
})

AFRAME.registerComponent('gearvrcontrol', {

    init: function () {
        var self = this;
        var controllerID = 'gearvr-' + vwf_view.kernel.moniker();

        this.el.addEventListener('triggerdown', function (event) {
            vwf_view.kernel.callMethod(controllerID, "triggerdown", []);
        });

        this.el.addEventListener('triggerup', function (event) {
            vwf_view.kernel.callMethod(controllerID, "triggerup", []);
        });

    },

    update: function () {
    },

    tick: function (t) {
    }
})


AFRAME.registerComponent('wmrvrcontrol', {

    schema: {
        hand: { default: 'right' }
    },

    update: function (old) {
        this.hand = this.data.hand;
    },

    init: function () {
        var self = this;
        this.hand = this.data.hand;
        var controllerID = 'wrmr-' + this.hand + '-' + vwf_view.kernel.moniker();
        //this.gearel = document.querySelector('#gearvrcontrol');
        this.el.addEventListener('triggerdown', function (event) {
            vwf_view.kernel.callMethod(controllerID, "triggerdown", []);
        });
        this.el.addEventListener('triggerup', function (event) {
            vwf_view.kernel.callMethod(controllerID, "triggerup", []);
        });
    },

    tick: function (t) {
    }
})

AFRAME.registerComponent('streamsound', {

    schema: {
        positional: { default: true }
    },

    init: function () {
        var self = this;

        let driver = vwf.views["vwf/view/webrtc"];

        this.listener = null;
        this.stream = null;

        if (!this.sound) {
            this.setupSound();
        }

        if (driver) {
            //let avatarID = 'avatar-' + vwf.moniker();
            let avatarID = this.el.id.slice(0, 27); //avatar-0RtnYBBTBU84OCNcAAFY
            let client = driver.state.clients[avatarID];
            if (client) {
                if (client.connection) {
                    this.stream = client.connection.stream;
                    if (this.stream) {
                        this.audioEl = new Audio();
                        this.audioEl.srcObject = this.stream;

                        this.sound.setNodeSource(this.sound.context.createMediaStreamSource(this.stream));
                    }
                }
            }
        }

    },

    setupSound: function () {
        var el = this.el;
        var sceneEl = el.sceneEl;

        if (this.sound) {
            el.removeObject3D(this.attrName);
        }

        if (!sceneEl.audioListener) {
            sceneEl.audioListener = new THREE.AudioListener();
            sceneEl.camera && sceneEl.camera.add(sceneEl.audioListener);
            sceneEl.addEventListener('camera-set-active', function (evt) {
                evt.detail.cameraEl.getObject3D('camera').add(sceneEl.audioListener);
            });
        }
        this.listener = sceneEl.audioListener;

        this.sound = this.data.positional
            ? new THREE.PositionalAudio(this.listener)
            : new THREE.Audio(this.listener);
        el.setObject3D(this.attrName, this.sound);
    },

    remove: function () {
        if (!this.sound) return;

        this.el.removeObject3D(this.attrName);
        if (this.stream) {
            this.sound.disconnect();
        }
    },

    update: function (old) {

    },

    tick: function (t) {
    }
})


AFRAME.registerComponent('viewoffset', {

    // fullWidth:
    // fullHeight:
    // xoffset:
    // yoffset:
    // width:
    // height:

    schema: {
        fullWidth: { default: window.innerWidth },
        fullHeight: { default: window.innerHeight },
        xoffset: { default: window.innerWidth / 2 },
        yoffset: { default: window.innerHeight / 2 },
        width: { default: window.innerWidth },
        height: { default: window.innerHeight }
    },


    init: function () {
        var self = this;
        this.el.sceneEl.addEventListener('loaded', setOffset);

        function setOffset() {
            this.setNewOffset();
        }

    },


    update: function (old) {
        this.fullWidth = this.data.fullWidth;
        this.fullHeight = this.data.fullHeight;
        this.xoffset = this.data.xoffset;
        this.yoffset = this.data.yoffset;
        this.width = this.data.width;
        this.height = this.data.height;
        //console.log(this.data);
        this.setNewOffset();
    },

    setNewOffset: function () {
        this.el.object3DMap.camera.setViewOffset(
            this.data.fullWidth,
            this.data.fullHeight,
            this.data.xoffset,
            this.data.yoffset,
            this.data.width,
            this.data.height)
    },

    tick: function (t) {

    }
})