//
// tryDeleteAvatarEntity.js
// 
// Author: Liv Erickson 
// Copyright High Fidelity 2018
//
// Licensed under the Apache 2.0 License
// See accompanying license file or http://apache.org/
//
(function(){

    var REQUEST_PROPERTIES = ['type', 'script', 'dimensions', 'collision']; // Get these properties
    var BLACKLIST_ENTITY_TYPES = ['web', 'text', 'zone']; // Remove these entities
    var NOT_IN_ARRAY_INDEX = -1;
    var MAX_DIMENSION = 0.5;

    // When avatar entities are added, the user will self-delete them
    var deleteAvatarEntityAdd = function(entityID) {
        var props = Entities.getEntityProperties(entityID, ['clientOnly', 'owningAvatarID']);
        if (props.clientOnly && props.owningAvatarID === MyAvatar.sessionUUID) {
            Entities.deleteEntity(entityID);
        }
    };

    var fromQml = function(message) {
        filterExistingAvatarEntities();
    };

    // When we load this script, we will have clients check existing avatar entities
    // Currently, we remove text and web entities 
    // We will remove scripts
    // We will remove collisions
    var filterExistingAvatarEntity = function(entityID) {
        print("Checking..." + entityID);
        var properties = Entities.getEntityProperties(entityID, REQUEST_PROPERTIES);
        try {
            if (BLACKLIST_ENTITY_TYPES.indexOf(properties.type.toLowerCase()) !== NOT_IN_ARRAY_INDEX) {
                Entities.deleteEntity(entityID);
            }

            if (properties.dimensions.x > MAX_DIMENSION || 
                properties.dimensions.y > MAX_DIMENSION || 
                properties.dimensions.z > MAX_DIMENSION) {
                Entities.deleteEntity(entityID);
            }

            if (!properties.collisionless) {
                Entities.editEntity(entityID, {'collisionless' : 'true'});
            }

        } catch (e) {
            print ("Exception: " , e);
        }
    };


    var filterExistingAvatarEntities = function() {
        var myAvatarEntities = MyAvatar.getAvatarEntityData();
        var entitiesArray = [];
        for (var i in myAvatarEntities) {
            entitiesArray.push([i, myAvatarEntities [i]]);
        }
        entitiesArray.forEach(function(entity) {
            filterExistingAvatarEntity(entity[0]);
        });
    };

    this.preload = function(){
        Entities.addingEntity.connect(deleteAvatarEntityAdd);
        filterExistingAvatarEntities();
        Tablet.getTablet("com.highfidelity.interface.tablet.system").screenChanged.connect(fromQml);
    };

    this.unload = function() {
        Entities.addingEntity.disconnect(deleteAvatarEntityAdd);
        Tablet.getTablet("com.highfidelity.interface.tablet.system").screenChanged.disconnect(fromQml);
    };
});