/**
 * Entity API Object (for storing / loading entities to and from API)
 * @param id
 * @param name
 * @param components R3.Component[]
 * @param parentEntity R3.Entity
 * @constructor
 */
R3.API.Entity = function(
    id,
    name,
    components,
    parentEntity
) {
    if (R3.Utils.UndefinedOrNull(id)) {
        id = R3.Utils.RandomId();
    }
    this.id = id;

    if (R3.Utils.UndefinedOrNull(name)) {
        name = 'Entity (' + this.id + ')';
    }
    this.name = name;

    if (R3.Utils.UndefinedOrNull(components)) {
        components = [];
    }
    this.components = components;

    R3.API.Component.call(
        this,
        R3.Component.ENTITY,
        parentEntity
    );
};

R3.API.Entity.prototype = Object.create(R3.API.Component.prototype);
R3.API.Entity.prototype.constructor = R3.API.Entity;

/**
 * Returns an API entity from an Object entity
 * @param objectEntity
 * @constructor
 */
R3.API.Entity.FromObject = function(objectEntity) {
    return new R3.API.Entity(
        objectEntity.id,
        objectEntity.name,
        objectEntity.components,
        objectEntity.parentEntity
    )
};