define(['dojo/_base/xhr','dojo/_base/json','dojo/_base/Deferred','./auth'],function(xhr,json,Deferred){
    return {
        post: function(path,args) {
            return xhr.post({
                url: "../server/api.php/"+path,
                handleAs: "json",
                headers: {
                    "Content-Type": "application/json"
                },
                rawBody: json.toJson(args)
            });
        },
        createObject: function(type, args) {
            var d = new Deferred();
            this.post("createObject",
            {
                type: type,
                values: args
            })
            .then(function(data) {
                d.resolve(data.uid);
            },function(){
                d.reject(); 
            });
            return d.promise;
        },
        getObject: function(type, uid) {
            var d = new Deferred();
            this.post("getObject",
            {
                type: type,
                uid: uid
            })
            .then(function(data) {
                d.resolve(data.object);
            },function(){
                d.reject(); 
            });
            return d.promise;
        },
        getObjects: function(type, predicates) {
            var d = new Deferred();
            this.post("getObjects",
            {
                type: type,
                predicates: predicates
            })
            .then(function(data) {
                d.resolve(data.objects);
            },function(){
                d.reject(); 
            });
            return d.promise;
        },
        deleteObject: function(type, uid) {
            var d = new Deferred();
            d.reject();
            return d.promise;
        }
    }
});