IriSP.Widgets.AnnotationsList = function(player, config) {

    IriSP.Widgets.Widget.call(this, player, config);

    this.searchString = false;

    this.lastIds = [];

    var _this = this;

    this.throttledRefresh = IriSP._.throttle(function() {

        _this.refresh(false);

    }, 1500);

    this.mashupMode = (this.source.currentMedia.elementType === "mashup");

};

IriSP.Widgets.AnnotationsList.prototype = new IriSP.Widgets.Widget();

IriSP.Widgets.AnnotationsList.prototype.defaults = {

    /* URL when the annotations are to be reloaded from an LDT-like segment API

     * e.g. http://ldt.iri.centrepompidou.fr/ldtplatform/api/ldt/segments/{{media}}/{{begin}}/{{end}}?callback=?

     */

    ajax_url : false,

    /* number of milliseconds before/after the current timecode when calling the segment API

     */

    ajax_granularity : 300000, 

    default_thumbnail : "http://ldt.iri.centrepompidou.fr/static/site/ldt/css/imgs/video_sequence.png",

    /* URL when the annotation is not in the current project,

     * e.g. http://ldt.iri.centrepompidou.fr/ldtplatform/ldt/front/player/{{media}}/{{project}}/{{annotationType}}#id={{annotation}}

     */

    foreign_url : "",

    annotation_type : false,

    refresh_interval : 0,

    limit_count : 10,

};

IriSP.Widgets.AnnotationsList.prototype.template =

    '<div class="Ldt-AnnotationsListWidget">'

    + '<ul class="Ldt-AnnotationsList-ul">'

    + '{{#annotations}}'

    + '<div class="Ldt-AnnotationsList-ThumbContainer">'

    + '<a href="{{url}}">'

    + '<img class="Ldt-AnnotationsList-Thumbnail" src="{{thumbnail}}" />'

    + '</a>'

    + '</div>'

    + '<div class="Ldt-AnnotationsList-Duration">{{begin}} - {{end}}</div>'

    + '<h3 class="Ldt-AnnotationsList-Title">'

    + '<a href="{{url}}">{{title}}</a>'

    + '</h3>'

    + '<p class="Ldt-AnnotationsList-Description">{{description}}</p>'

    + '{{#tags.length}}'

    + '<ul class="Ldt-AnnotationsList-Tags">'

    + '{{#tags}}'

    + '{{#.}}'

    + '<li class="Ldt-AnnotationsList-Tag-Li">'

    + '<span>{{.}}</span>'

    + '</li>'

    + '{{/.}}'

    + '{{/tags}}'

    + '</ul>'

    + '{{/tags.length}}'

    + '</li>'

    + '{{/annotations}}'

    + '</ul>'

    + '</div>';

IriSP.Widgets.AnnotationsList.prototype.onSearch = function(searchString) {

    this.searchString = typeof searchString !== "undefined" ? searchString : '';

    var _n = this.refresh(true);

    if (this.searchString) {

        if (_n) {

            this.player.popcorn.trigger("IriSP.search.matchFound");

        } else {

            this.player.popcorn.trigger("IriSP.search.noMatchFound");

        }

    }

}

//obj.url = this.project_url + "/" + media + "/" + annotations[i].meta.project + "/" + annotations[i].meta["id-ref"] + '#id=' + annotations[i].id;

IriSP.Widgets.AnnotationsList.prototype.ajaxSource = function() {

    var _currentTime = this.player.popcorn.currentTime(),

        _duration = this.source.getDuration();

    if (typeof _currentTime == "undefined") {

        _currentTime = 0;

    }

    this.lastAjaxQuery = _currentTime;

    _currentTime = Math.floor(1000 * _currentTime);

    var _url = Mustache.to_html(this.ajax_url, {

        media : this.source.currentMedia.id,

        begin : Math.max(0, _currentTime - this.ajax_granularity),

        end : Math.min(_duration.milliseconds, _currentTime + this.ajax_granularity)

    });

    this.currentSource = this.player.loadMetadata(IriSP._.defaults({

        "url" : _url

    }, this.metadata));

}

IriSP.Widgets.AnnotationsList.prototype.ajaxMashup = function() {

    var _currentTime = this.player.popcorn.currentTime();

    if (typeof _currentTime == "undefined") {

        _currentTime = 0;

    }

    var _currentAnnotation = this.source.currentMedia.getAnnotationAtTime(_currentTime * 1000);

    if (typeof _currentAnnotation !== "undefined" && _currentAnnotation.id !== this.lastMashupAnnotation) {

        this.lastMashupAnnotation = _currentAnnotation.id;

        var _currentMedia = _currentAnnotation.getMedia(),

            _url = Mustache.to_html(this.ajax_url, {

                media : _currentMedia.id,

                begin : Math.max(0, _currentAnnotation.annotation.begin.milliseconds - this.ajax_granularity),

                end : Math.min(_currentMedia.duration.milliseconds, _currentAnnotation.annotation.end.milliseconds + this.ajax_granularity)

            });

        this.currentSource = this.player.loadMetadata(IriSP._.defaults({

            "url" : _url

        }, this.metadata));

    }

}

IriSP.Widgets.AnnotationsList.prototype.refresh = function(_forceRedraw) {

    _forceRedraw = (typeof _forceRedraw !== "undefined" && _forceRedraw);

    if (this.currentSource.status !== IriSP.Model._SOURCE_STATUS_READY) {

        return 0;

    }

    var _this = this,

        _currentTime = this.player.popcorn.currentTime();

    if (typeof _currentTime == "undefined") {

        _currentTime = 0;

    }

    var _list = this.annotation_type ? this.currentSource.getAnnotationsByTypeTitle(this.annotation_type) : this.currentSource.getAnnotations();

    if (this.mashupMode) {

        var _currentAnnotation = this.source.currentMedia.getAnnotationAtTime(_currentTime * 1000);

        if (typeof _currentAnnotation !== "undefined") {

            _currentTime = _currentTime - _currentAnnotation.begin.getSeconds() + _currentAnnotation.annotation.begin.getSeconds();

            var _mediaId = _currentAnnotation.getMedia().id;

            _list = _list.filter(function(_annotation) {

                return _annotation.getMedia().id === _mediaId;

            });

        }

    }

    if (this.searchString) {

        _list = _list.searchByTextFields(this.searchString);

    }

    if (this.limit_count) {

        _list = _list.sortBy(function(_annotation) {

            return Math.abs(_annotation.begin.getSeconds() - _currentTime);

        }).slice(0, this.limit_count)

    }

    if (this.newest_first) {

        _list = _list.sortBy(function(_annotation) {

            return -_annotation.created.valueOf();

        });

    } else {

        _list = _list.sortBy(function(_annotation) {

            return _annotation.begin;

        });

    }

    var _ids = _list.idIndex;

    if (_forceRedraw || !IriSP._.isEqual(_ids, this.lastIds)) {

        /* This part only gets executed if the list needs updating */

        this.lastIds = _ids;

        var _data = _list.map(function(_annotation) {

                    var _url = (

                        ( typeof _annotation.url !== "undefined" && _annotation.url)

                        ? _annotation.url

                        : (

                            ( typeof _this.source.projectId !== "undefined" && typeof _annotation.project !== "undefined" && _annotation.project && _this.source.projectId !== _annotation.project )

                            ? Mustache.to_html(

                                _this.foreign_url,

                                {

                                    project : _annotation.project,

                                    media : _annotation.media.id,

                                    annotation : _annotation.id,

                                    annotationType : _annotation.annotationType.id

                                }

                            )

                            : '#id=' + _annotation.id

                            )

                    );

                        _description = _annotation.description;

                    if (!_annotation.title) {

                        _title = _annotation.creator;

                    }

                    if (!_annotation.description && _annotation.creator) {

                        _description = _annotation.title;

                        _title = _annotation.creator;

                    }

                    var _res = {

                        id : _annotation.id,

                        title : _title,

                        description : _description,

                        begin : _annotation.begin.toString(),

                        end : _annotation.end.toString(),

                        thumbnail : typeof _annotation.thumbnail !== "undefined" && _annotation.thumbnail ? _annotation.thumbnail : _this.default_thumbnail,

                        url : _url,

                    }

                    return _res;

            }),

            _html = Mustache.to_html(

                this.template,

                {

                    annotations : _data

                });

        this.$.html(_html);

        /* Correct the empty tag bug */

        this.$.find('.Ldt-AnnotationsList-Tag-Li').each(function() {

            var _el = IriSP.jQuery(this);

            if (!_el.text().replace(/(^\s+|\s+$)/g,'')) {

                _el.detach();

            }

        });

        this.$.find('.Ldt-AnnotationsList-Tag-Li').click(function() {

            _this.player.popcorn.trigger("IriSP.search.triggeredSearch", IriSP.jQuery(this).text().replace(/(^\s+|\s+$)/g,''));

        })

        if(this.searchString) {

            var _searchRe = new RegExp('(' + this.searchString.replace(/(\W)/gm,'\\$1') + ')','gim');

            this.$.find(".Ldt-AnnotationsList-Title a, .Ldt-AnnotationsList-Description").each(function() {

                var _$ = IriSP.jQuery(this);

                _$.html(_$.text().replace(/(^\s+|\s+$)/g,'').replace(_searchRe, '<span class="Ldt-AnnotationsList-highlight">$1</span>'))

            })

        }

    }

    if (this.ajax_url) {

        if (this.mashupMode) {

            this.ajaxMashup();

        } else {

            if (Math.abs(_currentTime - this.lastAjaxQuery) > (this.ajax_granularity / 2000)) {

                this.ajaxSource();

            }

        }

    }

    return _list.length;

}

IriSP.Widgets.AnnotationsList.prototype.draw = function() {

    this.bindPopcorn("IriSP.search", "onSearch");

    this.bindPopcorn("IriSP.search.closed", "onSearch");

    this.bindPopcorn("IriSP.search.cleared", "onSearch");

    this.bindPopcorn("IriSP.AnnotationsList.refresh","refresh");

    var _this = this;

    if (this.ajax_url) {

        if (this.mashupMode) {

            this.ajaxMashup();

        } else {

            this.ajaxSource();

        }

    } else {

        this.currentSource = this.source;

    }

    if (this.refresh_interval) {

        window.setInterval(function() {

            _this.currentSource.get()

        }, this.refresh_interval);

    }

    var _events = [

        "IriSP.createAnnotationWidget.addedAnnotation",

        "timeupdate",

        "seeked",

        "loadedmetadata"

    ];

    for (var _i = 0; _i < _events.length; _i++) {

        this.player.popcorn.listen(_events[_i], this.throttledRefresh);

    }

    this.throttledRefresh();

};