/* TODO: Add Slide synchronization */

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

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

};

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

IriSP.Widgets.Slideshare.prototype.defaults = {

    annotation_type: "slide",

    sync: true,

};

IriSP.Widgets.Slideshare.prototype.messages = {

    fr: {

        slides_ : "Diapositives"

    },

    en: {

        slides_ : "Slides"

    }

};

IriSP.Widgets.Slideshare.prototype.template =

    '<div class="Ldt-SlideShare"><h2>{{l10n.slides_}}</h2><hr /><div class="Ldt-SlideShare-Container"></div></div>';

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

    function insertSlideshare(_presentation, _slide) {

        if (_lastEmbedded === _presentation) {

            if (_embedObject && typeof _embedObject.jumpTo === "function") {

                _embedObject.jumpTo(parseInt(_slide));

            }

        } else {

            _lastEmbedded = _presentation;

            var _id = IriSP.Model.getUID(),

                _params = {

                    allowScriptAccess: "always"

                },

                _atts = {

                    id: _id

                },

                _flashvars = {

                    doc : _presentation,

                    startSlide : _slide

                };

            $container.html('<div id="' + _id + '"></div>');

            swfobject.embedSWF(

                "http://static.slidesharecdn.com/swf/ssplayer2.swf",

                _id,

                _this.embed_width,

                _this.embed_height,

                "8",

                null,

                _flashvars,

                _params,

                _atts

            );

            _embedObject = document.getElementById(_id);

        }

        $container.show();

    }

    var _annotations = this.getWidgetAnnotations();

    if (!_annotations.length) {

        this.$.hide();

    } else {

        this.renderTemplate();

        var _lastPres = "",

            _embedObject = null,

            _oembedCache = {},

            _lastEmbedded = "",

            _this = this,

            $container = this.$.find(".Ldt-SlideShare-Container");

        this.embed_width = this.embed_width || $container.innerWidth();

        this.embed_height = this.embed_height || Math.floor(this.embed_width * 3/4);

        _annotations.forEach(function(_a) {

            _a.on("leave", function() {

                $container.hide();

                _lastPres = "";

            });

            _a.on("enter", function() {

                var _description = _a.description,

                    _isurl = /^https?:\/\//.test(_description),

                    _presentation = _description.replace(/#.*$/,''),

                    _slidematch = _description.match(/(#|\?|&)id=(\d+)/),

                    _slide = parseInt(_slidematch && _slidematch.length > 2 ? _slidematch[2] : 1);

                if (_presentation !== _lastPres) {

                    if (_isurl) {

                        if (typeof _oembedCache[_presentation] === "undefined") {

                            var _ajaxUrl = "http://www.slideshare.net/api/oembed/1?url="

                                + encodeURIComponent(_presentation)

                                + "&format=jsonp&callback=?";

                            IriSP.jQuery.getJSON(_ajaxUrl, function(_oembedData) {

                                var _presmatch = _oembedData.html.match(/doc=([a-z0-9\-_%]+)/i);

                                if (_presmatch && _presmatch.length > 1) {

                                    _oembedCache[_presentation] =  _presmatch[1];

                                    insertSlideshare(_presmatch[1], _slide);

                                }

                            });

                        } else {

                            insertSlideshare(_oembedCache[_presentation], _slide);

                        }

                    } else {

                        insertSlideshare(_presentation, _slide);

                    }

                }

                if (_this.sync && _embedObject && typeof _embedObject.jumpTo === "function") {

                    _embedObject.jumpTo(parseInt(_slide));

                }

                _lastPres = _presentation;

            });

        });

    }

};