/* ldt_localstorage serializer: Used to store personal annotations in local storage */

if (typeof IriSP.serializers === "undefined") {

    IriSP.serializers = {};

}

IriSP.serializers.ldt_localstorage = {

    serializeAnnotation : function(_data, _source) {

        var _annType = _data.getAnnotationType();

        return {

            begin: _data.begin.milliseconds,

            end: _data.end.milliseconds,

            content: {

                description: _data.description,

                title: _data.title,

                audio: _data.audio

            },

            tags: _data.getTagTexts(),

            media: _data.getMedia().id,

            type_title: _annType.title,

            type: ( typeof _annType.dont_send_id !== "undefined" && _annType.dont_send_id ? "" : _annType.id ),

            meta: {

                created: _data.created,

            }

        };

    },

    deserializeAnnotation : function(_anndata, _source) {

        var _ann = new IriSP.Model.Annotation(_anndata.id, _source);

        _ann.description = _anndata.content.description || "";

        _ann.title = _anndata.content.title || "";

        _ann.creator = _anndata.meta.creator || "";

        _ann.created = new Date(_anndata.meta.created);

        _ann.setMedia(_anndata.media, _source);

        var _anntype = _source.getElement(_anndata.type);

        if (!_anntype) {

            _anntype = new IriSP.Model.AnnotationType(_anndata.type, _source);

            _anntype.title = _anndata.type_title;

            _source.getAnnotationTypes().push(_anntype);

        }

        _ann.setAnnotationType(_anntype.id);

        var _tagIds = IriSP._(_anndata.tags).map(function(_title) {

            var _tags = _source.getTags(true).searchByTitle(_title, true);

            if (_tags.length) {

                var _tag = _tags[0];

            }

            else {

                _tag = new IriSP.Model.Tag(_title.replace(/\W/g,'_'),_source);

                _tag.title = _title;

                _source.getTags().push(_tag);

            }

            return _tag.id;

        });

        _ann.setTags(_tagIds);

        if (typeof _anndata.content.audio !== "undefined" && _anndata.content.audio.href) {

            _ann.audio = _anndata.content.audio;

        _source.getAnnotations().push(_ann);

    },

    serialize : function(_source) {

        var _this = this;

        return JSON.stringify(_source.getAnnotations().map(function (a) { return _this.serializeAnnotation(a, _source); }));

    },

    deSerialize : function(_data, _source) {

        var _this = this;

        if (typeof _data == "string") {

            _data = JSON.parse(_data);

        }

        _source.addList('tag', new IriSP.Model.List(_source.directory));

        _source.addList('annotationType', new IriSP.Model.List(_source.directory));

        _source.addList('annotation', new IriSP.Model.List(_source.directory));

        _data.map( function (a) { _this.deserializeAnnotation(a, _source); });

    }

};

/* End ldt_localstorage serializer */