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

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

    this.lastIds = [];

    var _this = this;

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

        _this.refresh(false);

    }, 800);

    this.searchString = false;

    this.lastSearch = false;

};

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 : 600000, 

    default_thumbnail : "",

    /* 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 : 20,

    newest_first : false,

    show_audio: true,

    polemics : [{

        keyword: "++",

        background_color: "#c9ecc6"

    },{

        keyword: "--",

        background_color: "#f9c5c6"

    },{

        keyword: "??",

        background_color: "#cec5f9"

    },{

        keyword: "==",

        background_color: "#f9f4c6"

    }]

};

IriSP.Widgets.AnnotationsList.prototype.messages = {

    en: {

        voice_annotation: "Voice Annotation",

        now_playing: "Now playing..."

    },

    fr: {

        voice_annotation: "Annotation Vocale",

        now_playing: "Lecture en cours..."

    }

};

IriSP.Widgets.AnnotationsList.prototype.template =

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

    + '{{#show_audio}}<div class="Ldt-AnnotationsList-Audio"></div>{{/show_audio}}'

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

    + '</ul>'

    + '</div>';

IriSP.Widgets.AnnotationsList.prototype.annotationTemplate = 

    '<li class="Ldt-AnnotationsList-li Ldt-TraceMe" trace-info="annotation-id:{{id}}, media-id:{{media_id}}" style="{{specific_style}}">'

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

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

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

    + '</a>'

    + '</div>'

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

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

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

    + '</h3>'

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

    + '{{#tags.length}}'

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

    + '{{#tags}}'

    + '{{#.}}'

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

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

    + '</li>'

    + '{{/.}}'

    + '{{/tags}}'

    + '</ul>'

    + '{{/tags.length}}'

    + '{{#audio}}<div class="Ldt-AnnotationsList-Play" data-annotation-id="{{id}}">{{l10n.voice_annotation}}</div>{{/audio}}'

    + '</li>';

//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.media.getCurrentTime(),

        _duration = this.media.duration;

    this.lastAjaxQuery = _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.media.getCurrentTime();

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

    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.media.getCurrentTime();

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

    if (this.mashupMode) {

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

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

            _currentTime = _currentTime - _currentAnnotation.begin + _currentAnnotation.annotation.begin;

            var _mediaId = _currentAnnotation.getMedia().id;

            _list = _list.filter(function(_annotation) {

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

            });

        }

    }

    _list = _list.filter(function(_annotation) {

        return _annotation.found !== false;

    });

    if (this.limit_count) {

        /* Get the n annotations closest to current timecode */

        _list = _list.sortBy(function(_annotation) {

            return Math.abs((_annotation.begin + _annotation.end) / 2 - _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.searchString !== this.lastSearch) {

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

        this.lastSearch = this.searchString;

        this.lastIds = _ids;

        this.list_$.html("");

        _list.forEach(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

                        }

                    )

                    : document.location.href.replace(/#.*$/,'') + '#id=' + _annotation.id

                    )

            );

            var _title = (_annotation.title || "").replace(_annotation.description,''),

                _description = _annotation.description,

                _thumbnail = (typeof _annotation.thumbnail !== "undefined" && _annotation.thumbnail ? _annotation.thumbnail : _this.default_thumbnail);

            if (!_annotation.title) {

                _title = _annotation.creator;

            }

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

                _description = _annotation.title;

                _title = _annotation.creator;

            }

            var _bgcolor;

            IriSP._(_this.polemics).each(function(_polemic) {

                var _rgxp = IriSP.Model.regexpFromTextOrArray(_polemic.keyword, true);

                if (_rgxp.test(_title + " " + _description)) {

                    _bgcolor = _polemic.background_color;

                }

            });

            var _data = {

                id : _annotation.id,

                media_id : _annotation.getMedia().id,

                htitle : IriSP.textFieldHtml(_title),

                hdescription : IriSP.textFieldHtml(_description),

                begin : _annotation.begin.toString(),

                end : _annotation.end.toString(),

                thumbnail : _thumbnail,

                url : _url,

                tags : _annotation.getTagTexts(),

                specific_style : (typeof _bgcolor !== "undefined" ? "background-color: " + _bgcolor : ""),

                l10n: _this.l10n

            };

            if (_this.show_audio && _annotation.audio && _annotation.audio.href && _annotation.audio.href != "null") {

                _data.audio = true;

                if (!_this.jwplayers[_annotation.id]) {

                    var _audiofile = _annotation.audio.href;

                    if (_this.audio_url_transform) {

                        _audiofile = _this.audio_url_transform(_annotation.audio.href);

                    }

                    var _tmpId = "jwplayer-" + IriSP.Model.getUID();

                    _this.jwplayers[_annotation.id] = _tmpId;

                    _this.$.find(".Ldt-AnnotationsList-Audio").append(IriSP.jQuery("<div>").attr("id", _tmpId));

                    jwplayer(_tmpId).setup({

                        flashplayer: IriSP.getLib("jwPlayerSWF"),

                        file: _audiofile,

                        fallback: false,

                        primary: "flash",

                        controls: false,

                        width: 1,

                        height: 1,

                        events: {

                            onPause: function() {

                                _this.$.find(".Ldt-AnnotationsList-Play[data-annotation-id=" + _annotation.id + "]").text(_this.l10n.voice_annotation);

                            },

                            onPlay: function() {

                                _this.$.find(".Ldt-AnnotationsList-Play[data-annotation-id=" + _annotation.id + "]").text(_this.l10n.now_playing);

                            }

                        }

                    });

                }

            }

            var _html = Mustache.to_html(_this.annotationTemplate, _data),

                _el = IriSP.jQuery(_html),

                _onselect = function() {

                    _this.$.find('.Ldt-AnnotationsList-li').removeClass("selected");

                    _el.addClass("selected");

                },

                _onunselect = function() {

                    _this.$.find('.Ldt-AnnotationsList-li').removeClass("selected");

                };

            _el.mouseover(function() {

                    _annotation.trigger("select");

                })

                .mouseout(function() {

                    _annotation.trigger("unselect");

                })

                .appendTo(_this.list_$);

            IriSP.attachDndData(_el.find("[draggable]"), {

            	title: _title,

            	description: _description,

            	uri: _url,

            	image: _annotation.thumbnail

            });

            _el.on("remove", function() {

                _annotation.off("select", _onselect);

                _annotation.off("unselect", _onunselect);

            });

            _annotation.on("select", _onselect);

            _annotation.on("unselect", _onunselect);

        });

        /* 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.remove();

            }

        });

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

            _this.source.getAnnotations().search(IriSP.jQuery(this).text().replace(/(^\s+|\s+$)/g,''));

        });

        this.$.find(".Ldt-AnnotationsList-Play").click(function() {

            var _el = IriSP.jQuery(this),

                _annid = _el.attr("data-annotation-id");

            if (_this.jwplayers[_annid]) {

                jwplayer(_this.jwplayers[_annid]).play();

            }

            _this.media.pause();

        });

        if (this.source.getAnnotations().searching) {

            var rx = _this.source.getAnnotations().regexp || false;

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

                var _$ = IriSP.jQuery(this);

                _$.html(IriSP.textFieldHtml(_$.text(), rx));

            });

        }

    }

    if (this.ajax_url) {

        if (this.mashupMode) {

            this.ajaxMashup();

        } else {

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

                this.ajaxSource();

            }

        }

    }

    return _list.length;

};

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

    this.jwplayers = {};

    this.mashupMode = (this.media.elementType === "mashup");

    this.renderTemplate();

    var _this = this;

    this.list_$ = this.$.find(".Ldt-AnnotationsList-ul");

    this.source.getAnnotations().on("search", function(_text) {

        _this.searchString = _text;

        if (_this.source !== _this.currentSource) {

            _this.currentSource.getAnnotations().search(_text);

            _this.throttledRefresh();

        }