/* model.js is where data is stored in a standard form, whatever the serializer */

IriSP.Model = {

    SOURCE_STATUS_EMPTY : 0,

    SOURCE_STATUS_WAITING : 1,

    SOURCE_STATUS_READY : 2,

}

/* */

IriSP.Model.List = function(_directory) {

    this.contents = [];

    this.directory = _directory;

}

IriSP.Model.List.prototype.toString = function() {

    return 'List of Elements, length=' + this.length();

}

IriSP.Model.List.prototype.length = function() {

    return this.contents.length;

}

IriSP.Model.List.prototype.getElement = function(_id) {

    return this.directory.getElement(_id);

}

IriSP.Model.List.prototype.getElementAt = function(_pos) {

    if (_pos >= 0 && _pos < this.length()) {

        return this.getElement(this.contents[_pos]);

    }

}

IriSP.Model.List.prototype.each = function(_callback) {

    var _this = this;

    IriSP._(this.contents).each(function(_id) {

        _callback.call(_this, _this.getElement(_id), _id);

    });

}

IriSP.Model.List.prototype.map = function(_callback) {

    var _this = this;

    return IriSP._(this.contents).map(function(_id) {

        return _callback.call(_this, _this.getElement(_id), _id);

    });

}

IriSP.Model.List.prototype.filter = function(_callback) {

    var _this = this,

        _res = new IriSP.Model.List(this.directory);

    _res.contents = IriSP._(this.contents).filter(function(_id) {

        return _callback.call(_this, _this.getElement(_id), _id);

    });

    return _res;

}

IriSP.Model.List.prototype.searchByTitle = function(_text) {

    var _rgxp = new RegExp('(' + _text.replace(/(\W)/gm,'\\$1') + ')','gim');

    return this.filter(function(_element) {

        return _rgxp.test(_element.text);

    });

}

IriSP.Model.List.prototype.searchByDescription = function(_text) {

    var _rgxp = new RegExp('(' + _text.replace(/(\W)/gm,'\\$1') + ')','gim');

    return this.filter(function(_element) {

        return _rgxp.test(_element.description);

    });

}

IriSP.Model.List.prototype.searchByTextFields = function(_text) {

    var _rgxp = new RegExp('(' + _text.replace(/(\W)/gm,'\\$1') + ')','gim');

    return this.filter(function(_element) {

        return _rgxp.test(_element.description);

    });

}

IriSP.Model.List.prototype.addId = function(_id) {

    if (this.contents.indexOf(_id) === -1) {

        this.contents.push(_id);

    }

}

IriSP.Model.List.prototype.addElement = function(_el) {

    this.addId(_el.id);

}

IriSP.Model.List.prototype.addIdsFromArray = function(_array) {

    var _l = _array.length;

    for (var _i = 0; _i < _l; _i++) {

        this.addId(_array[_i]);

    }

}

IriSP.Model.List.prototype.addIdsFromList = function(_list) {

    this.addIdsFromArray(_list.contents);

}

/* */

IriSP.Model.Time = function(_milliseconds) {

    this.milliseconds = parseInt(typeof _milliseconds !== "undefined" ? _milliseconds : 0);

}

IriSP.Model.Time.prototype.setSeconds = function(_seconds) {

    this.milliseconds = 1000 * _seconds;

}

IriSP.Model.Time.prototype.getSeconds = function() {

    return Math.floor(this.milliseconds / 1000);

}

IriSP.Model.Time.prototype.getHMS = function() {

    var _totalSeconds = Math.abs(this.getSeconds());

    return {

        hours : Math.floor(_totalSeconds / 3600),

        minutes : (Math.floor(_totalSeconds / 60) % 60),

        seconds : _totalSeconds % 60

    } 

}

IriSP.Model.Time.prototype.toString = function() {

    function pad(_n) {

        var _res = _n.toString();

        while (_res.length < 2) {

            _res = '0' + _res;

        }

        return _res;

    }

    var _hms = this.getHMS(),

        _res = '';

    if (_hms.hours) {

        _res += pad(_hms.hours) + ':'

    }

    _res += pad(_hms.minutes) + ':' + pad(_hms.seconds);

    return _res;

}

/* */

    if (typeof _idRef === "object") {

        this.isList = true;

    } else {

        this.isList = false;

    }

}

IriSP.Model.Reference.prototype.getContents = function() {

}

/* */

IriSP.Model.Element = function(_id, _source) {

    this.elementType = 'element';

        this.source = _source;

        this.title = "";

        this.description = "";

        this.source.directory.addElement(this);

    }

}

IriSP.Model.Element.prototype.toString = function() {

    return this.elementType + (this.elementType !== 'element' ? ', id=' + this.id + ', title="' + this.title + '"' : '');

}

IriSP.Model.Element.prototype.setReference = function(_elementType, _idRef) {

}

IriSP.Model.Element.prototype.getReference = function(_elementType) {

    if (typeof this[_elementType] !== "undefined") {

        return this[_elementType].getContents();

    }

}

/* */

IriSP.Model.Media = function(_id, _directory) {

    IriSP.Model.Element.call(this, _id, _directory);

    this.elementType = 'media';

    this.duration = new IriSP.Model.Time();

    this.url = '';

}

IriSP.Model.Media.prototype = new IriSP.Model.Element();

IriSP.Model.Media.prototype.setDuration = function(_durationMs) {

    this.duration.milliseconds = _durationMs;

}

/* */

IriSP.Model.Tag = function(_id, _directory) {

    IriSP.Model.Element.call(this, _id, _directory);

    this.elementType = 'tag';

}

IriSP.Model.Tag.prototype = new IriSP.Model.Element();

/* */

IriSP.Model.AnnotationType = function(_id, _directory) {

    IriSP.Model.Element.call(this, _id, _directory);

    this.elementType = 'annotationType';

}

IriSP.Model.AnnotationType.prototype = new IriSP.Model.Element();

/* Annotation

 * */

IriSP.Model.Annotation = function(_id, _directory) {

    IriSP.Model.Element.call(this, _id, _directory);

    this.elementType = 'annotation';

    this.begin = new IriSP.Model.Time();

    this.end = new IriSP.Model.Time();

}

IriSP.Model.Annotation.prototype = new IriSP.Model.Element(null);

IriSP.Model.Annotation.prototype.setBegin = function(_beginMs) {

    this.begin.milliseconds = _beginMs;

}

IriSP.Model.Annotation.prototype.setEnd = function(_beginMs) {

    this.end.milliseconds = _beginMs;

}

IriSP.Model.Annotation.prototype.setMedia = function(_idRef) {

    this.setReference("media", _idRef);

}

IriSP.Model.Annotation.prototype.getMedia = function() {

    return this.getReference("media");

}

IriSP.Model.Annotation.prototype.setAnnotationType = function(_idRef) {

    this.setReference("annotationType", _idRef);

}

IriSP.Model.Annotation.prototype.getAnnotationType = function() {

    return this.getReference("annotationType");

}

IriSP.Model.Annotation.prototype.setTags = function(_idRefs) {

    this.setReference("tag", _idRefs);

}

IriSP.Model.Annotation.prototype.getTags = function() {

    return this.getReference("tag");

}

/* */

    this.status = IriSP.Model.SOURCE_STATUS_EMPTY;