//
//  avatarScannerZoneClient.js
//
//  created by Rebecca Stankus on 03/1/19
//  Copyright 2019 High Fidelity, Inc.
//
//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//

(function() {
    var _this;

    /* TEXT ENTITIES WILL BE IN THIS ORDER:
    0-OVERALL SCORE
    1-NUMBER OF MATERIALS
    2-SIZE OF MATERIALS TEXTURES IN PIXELS
    3-NUMBER OF MATERIALS TEXTURES
    4-NUMBER OF TRIANGLES
    5-MATERIAL ENTITIES
    6-WEARABLES
    7-NUMBER OF PARTS
    8-FLOW JOINTS
    9-BLENDSHAPES
    10-SKINNING JOINTS
    */

    var TEXT_NUMBER_INDEX = 24;
    var AVATAR_COPY_Y_OFFSET_M = 0.7;
    var SEARCH_RADIUS_M = 20;
    var MIN_COPY_HEIGHT_M = 0.7;
    var NINETY_PERCENT = 0.9;
    var WAIT_TO_GET_DATA_MS = 200;
    var WAIT_TO_DISPLAY_SCORES_MS = 1000;
    var scannerZoneMarker;
    var textEntityIDs = [];
    var textToShow = [];
    var avatarCopy;
    var avatarCopyShelf;
    var wearables = [];
    var materialEntities = [];
    var graphicsModel;
    var flowJointNames = [];
    var numberSkinningJoints = [];

    var AvatarScannerZone = function() {
        _this = this;
    };

    AvatarScannerZone.prototype = {

        /* ON PRELOAD: Save a reference to this */
        preload: function(entityID) {
            _this.entityID = entityID;
            scannerZoneMarker = Entities.getEntityProperties(_this.entityID, 'parentID').parentID;
        },

        /* ENTER ENTITY: Upon entering this zone  */
        enterEntity: function() {
            Entities.getChildrenIDs(scannerZoneMarker).forEach(function(childOfZoneMarker) {
                var name = Entities.getEntityProperties(childOfZoneMarker, 'name').name;
                if (name.indexOf("FeedBack") !== -1) {
                    var indexNumber = +name.substr(TEXT_NUMBER_INDEX);
                    textEntityIDs[indexNumber] = childOfZoneMarker;
                } else if (name.indexOf("Shelf") !== -1) {
                    avatarCopyShelf = childOfZoneMarker;
                }
            });
            MyAvatar.useFlow(true,true);
            _this.showAvatarData();
            // play sound
            // light on
        },

        /* LEAVE ENTITY: Upon leaving this zone  */
        leaveEntity: function() {
            for ( var i = 0; i < textEntityIDs.length; i++) {
                Entities.editEntity(textEntityIDs[i], {
                    visible: false,
                    text: ""
                });
            }
            var scannerPosition = Entities.getEntityProperties(_this.entityID, 'position').position;
            Entities.findEntities(scannerPosition, SEARCH_RADIUS_M).forEach(function(entity) {
                var name = Entities.getEntityProperties(entity, 'name').name;
                if (name === "Avatar Scanner Copy") {
                    Entities.deleteEntity(entity);
                }
            });
            // light off
        },

        /* Get all avatar entities and separate wearables from materials */
        separateAvatarEntities: function() {
            wearables = [];
            materialEntities = [];
            var entityAttachments = MyAvatar.getAvatarEntitiesVariant();
            entityAttachments.forEach(function(avatarEntity) {
                if (avatarEntity.properties.type === "Material") {
                    materialEntities.push(avatarEntity);
                } else {
                    wearables.push(avatarEntity);
                }
            });
        },

        /* Get number of avtar parts */
        getPartsCount: function() {
            var partsCount = 0;
            graphicsModel.meshes.forEach(function(mesh) {
                partsCount += mesh.numParts;
            });
            return partsCount;
        },

        /* Return number of triangles */
        getNumberTriangles: function() {
            var trianglesCount = 0;
            graphicsModel.meshes.forEach(function(mesh) {
                var parts = mesh.parts;
                parts.forEach(function(part) {
                    trianglesCount += part.numFaces;
                });
            });
            return trianglesCount;
        },

        /* Create miniature copy of avatar and a graphics model copy.  */
        showAvatarData: function() {
            var avatarScore, avatarMaterialsScore, avatarMaterialsSize, avatarMaterialsSizeScore, 
                textures, texturesScore, wearablesScore, materialEntitiesScore, parts, partsScore, triangles, 
                trianglesScore, numberflowJoints, flowJointsScore, blendShapesScore, skinningJointsScore;
            var blendShapes = [];
            var avatarMaterials = [];
            var renderInfo;
            // Entities.findEntities(MyAvatar.position, 1000).forEach(function(entity) {
            //     var parentID = 
            // });
            var spawnPosition = Entities.getEntityProperties(avatarCopyShelf, 'position').position;
            spawnPosition.y += AVATAR_COPY_Y_OFFSET_M;
            var numberAvatarMaterials;
            avatarCopy = Entities.addEntity({
                type: 'Model',
                name: "Avatar Scanner Copy",
                modelURL: MyAvatar.skeletonModelURL,
                position: spawnPosition,
                lifetime: 300, // backup just in case
                grab: { grabbable: false },
                parentID: scannerZoneMarker,
                visible: false
            }, 'avatarEntity');
            Script.setTimeout(function() { // Natural dimensions are not available immediately
                var dimensions = Entities.getEntityProperties(avatarCopy, 'naturalDimensions').naturalDimensions;
                while (dimensions.y > MIN_COPY_HEIGHT_M) {
                    dimensions = Vec3.multiply(dimensions, NINETY_PERCENT);
                    Entities.editEntity(avatarCopy, {
                        visible: true,
                        dimensions: dimensions
                    });
                    renderInfo = Entities.getEntityProperties(avatarCopy, 'renderInfo').renderInfo;
                }
                graphicsModel = Graphics.getModel(MyAvatar.sessionUUID);
                parts = _this.getPartsCount();
                avatarMaterials = graphicsModel.materialLayers["mat::Bodymat"];
                triangles = _this.getNumberTriangles();
                numberAvatarMaterials = avatarMaterials ? avatarMaterials.length : 0;
                _this.separateAvatarEntities();
                flowJointNames = Object.keys(MyAvatar.getFlowData().threads);
                print(Object.keys(MyAvatar.getFlowData().threads));
                numberflowJoints = flowJointNames ? flowJointNames.length : 0;
                var skinningJoints = MyAvatar.getJointNames();
                if (skinningJoints) {
                    flowJointNames.forEach(function(flowJointName) {
                        var flowJointIndex = skinningJoints.indexOf(flowJointName);
                        if (flowJointIndex > -1) {
                            skinningJoints.splice(flowJointIndex, 1);
                        }
                    });
                }
                numberSkinningJoints = skinningJoints ? skinningJoints.length : 0;
            }, WAIT_TO_GET_DATA_MS); // render info and natural dimensions are not immediately available
            Script.setTimeout(function() {
                textToShow[0] = JSON.stringify("Hello " + MyAvatar.displayName + " Your overall avatar score is " + 
                    avatarScore);
                textToShow[1] = JSON.stringify("Your avatar has " + numberAvatarMaterials + 
                    " avatar materials. Your avatar materials score is " + avatarMaterialsScore);
                // textToShow[2] = JSON.stringify("The size of all of your avatar materials is " + avatarMaterialsSize + 
                //     " pixels. Your avatar materials size score is " + avatarMaterialsSizeScore);
                textToShow[3] = JSON.stringify("Your avatar has " + renderInfo.texturesCount +
                    " textures. Your textures score is " + texturesScore);
                textToShow[4] = JSON.stringify("Your avatar has " + triangles + " triangles. Your triangles score is " +
                    trianglesScore);
                textToShow[5] = JSON.stringify("Your avatar has " + materialEntities.length + " material entities. Your " + 
                    "total material entities score is " + materialEntitiesScore);
                textToShow[6] = JSON.stringify("Your avatar has " + wearables.length + " wearables. Your total wearables " + 
                    "score is " + wearablesScore);
                textToShow[7] = JSON.stringify("Your avatar has " + parts + " parts. Your parts score is " +
                    partsScore);
                textToShow[8] = JSON.stringify("Your avatar has " + numberflowJoints + 
                    " flow joints. Your flow joints score is " + flowJointsScore);
                // textToShow[9] = JSON.stringify("Your avatar has " + blendShapes.length + " blend shapes. Your blend " +
                //     "shapes score is " + blendShapesScore);
                textToShow[10] = JSON.stringify("Your avatar has " + numberSkinningJoints + " skinning joints. Your " +
                    "skinning joints score is " + skinningJointsScore);
                for ( var i = 0; i < textEntityIDs.length; i++) {
                    Entities.editEntity(textEntityIDs[i], {
                        text:textToShow[i],
                        visible: true
                    });
                }
            }, WAIT_TO_DISPLAY_SCORES_MS); // allows time for all values to be calculated
            
        },

        /* ON UNLOADING THE SCRIPT: Make sure the avatar leaves the zone so extra entities are deleted and intervals ended */
        unload: function(){
            _this.leaveEntity();
        }
    };
    return new AvatarScannerZone();
});