// TODO: Migrate Timeupdate functions to Extract

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

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

    this.lastAnnotation = false;

    this.minimized = this.start_minimized || false;

    this.bounds = [ 0, 0 ];

};

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

IriSP.Widgets.Annotation.prototype.messages = {

    fr: {

        watching: "Je regarde ",

        on_site: " sur ",

        tags_: "Mots-clés\u00a0:",

        description_: "Description\u00a0:",

        creator_: "Créé par\u00a0:",

        excerpt_from: "Extrait de\u00a0:",

        untitled: "Segment sans titre"

    },

    en: {

        watching: "I'm watching ",

        on_site: " on ",

        tags_: "Keywords:",

        description_: "Description:",

        creator_: "Created by\u00a0:",

        excerpt_from: "Excerpt from:",

        untitled: "Untitled segment"

    }

};

IriSP.Widgets.Annotation.prototype.template =

    '{{#show_arrow}}<div class="Ldt-Annotation-Arrow"></div>{{/show_arrow}}'

    + '<div class="Ldt-Annotation-Widget {{^show_arrow}}Ldt-Annotation-ShowTop{{/show_arrow}}">'

    + '<div class="Ldt-Annotation-Inner Ldt-Annotation-Empty{{#start_minimized}} Ldt-Annotation-Minimized{{/start_minimized}}">'

    + '<div class="Ldt-Annotation-HiddenWhenEmpty Ldt-Annotation-MaxMinButton"></div>'

    + '{{#show_social}}<div class="Ldt-Annotation-Social Ldt-Annotation-HiddenWhenMinimized Ldt-Annotation-HiddenWhenEmpty"></div>{{/show_social}}'

    + '<h3 class="Ldt-Annotation-HiddenWhenEmpty">{{#show_annotation_type}}<span class="Ldt-Annotation-Type"></span> » {{/show_annotation_type}}<a class="Ldt-Annotation-Title" href="#"></a> <span class="Ldt-Annotation-Time Ldt-Annotation-HiddenWhenMinimized">'

    + '(<span class="Ldt-Annotation-Begin"></span> - <span class="Ldt-Annotation-End"></span>)</span></h3>'

    + '<h3 class="Ldt-Annotation-MashupOrigin Ldt-Annotation-HiddenWhenEmpty">{{l10n.excerpt_from}} <span class="Ldt-Annotation-MashupMedia"></span> <span class="Ldt-Annotation-Time Ldt-Annotation-HiddenWhenMinimized">'

    + '(<span class="Ldt-Annotation-MashupBegin"></span> - <span class="Ldt-Annotation-MashupEnd"></span>)</span></h3>'

    + '<div class="Ldt-Annotation-Cleared Ldt-Annotation-HiddenWhenMinimized Ldt-Annotation-HiddenWhenEmpty Ldt-Annotation-Creator-Block"><div class="Ldt-Annotation-Label">{{l10n.creator_}}</div>'

    + '{{#show_creator}}<p class="Ldt-Annotation-Labelled Ldt-Annotation-Creator"></p></div>{{/show_creator}}'

    + '{{#show_description}}<div class="Ldt-Annotation-Cleared Ldt-Annotation-HiddenWhenMinimized Ldt-Annotation-HiddenWhenEmpty Ldt-Annotation-Description-Block"><div class="Ldt-Annotation-Label">{{l10n.description_}}</div>'

    + '<p class="Ldt-Annotation-Labelled Ldt-Annotation-Description"></p></div>{{/show_description}}'

    + '<div class="Ldt-Annotation-Tags-Block Ldt-Annotation-HiddenWhenMinimized Ldt-Annotation-HiddenWhenEmpty Ldt-Annotation-Cleared">'

    + '<div class="Ldt-Annotation-Label">{{l10n.tags_}}</div><ul class="Ldt-Annotation-Labelled Ldt-Annotation-Tags"></ul>'

    + '</div></div></div></div>';

IriSP.Widgets.Annotation.prototype.defaults = {

    annotation_type : "chap",

    start_minimized: false,

    show_arrow : true,

    show_creator: true,

    show_description: true,

    arrow_position: .5,

    site_name : "Lignes de Temps",

    search_on_tag_click: true,

    show_social: true,

    show_annotation_type: false

};

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

    var _this = this,

        currentAnnotation;

    function timeupdate(_time) {

        var _list = _this.getWidgetAnnotationsAtTime();

        if (!_list.length) {

            _this.$.find(".Ldt-Annotation-Inner").addClass("Ldt-Annotation-Empty");

            if (_this.arrow) {

                _this.arrow.moveToTime(_time);

            }

            _this.bounds = [ _time, _time ];

            _this.sendBounds();

        }

    }

    function highlightTitleAndDescription() {

        if (!currentAnnotation) {

            return;

        }

        var title = currentAnnotation.title,

            description = currentAnnotation.description.replace(/(^\s+|\s+$)/g,''),

            rx = (currentAnnotation.found ? (_this.source.getAnnotations().regexp || false) : false);

        _this.$.find(".Ldt-Annotation-Title").html(IriSP.textFieldHtml(title,rx)  || "(" + _this.l10n.untitled + ")");

        if (description) {

            _this.$.find(".Ldt-Annotation-Description-Block").removeClass("Ldt-Annotation-EmptyBlock");

            _this.$.find(".Ldt-Annotation-Description").html(IriSP.textFieldHtml(description,rx));

        } else {

            _this.$.find(".Ldt-Annotation-Description-Block").addClass("Ldt-Annotation-EmptyBlock");

        }

    }

    function drawAnnotation(_annotation) {

        currentAnnotation = _annotation;

        var _url = (typeof _annotation.url !== "undefined" 

                ? _annotation.url

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

            _text = _this.l10n.watching + _annotation.title + (_this.site_name ? _this.l10n.on_site + _this.site_name : ''),

            _tags = _annotation.getTags(),

            _tagblock = _this.$.find(".Ldt-Annotation-Tags");

        _tagblock.empty();

        if (_tags.length) {

            _this.$.find(".Ldt-Annotation-Tags-Block").removeClass("Ldt-Annotation-EmptyBlock");

            _tags.forEach(function(_tag) {

                var _trimmedTitle =  _tag.title.replace(/(^\s+|\s+$)/g,'');

                if (_trimmedTitle) {

                    var _el = IriSP.jQuery('<li class="Ldt-Annotation-TagLabel"></li>').append(IriSP.jQuery('<span>').text(_trimmedTitle));

                    _el.click(function() {

                        if (_this.search_on_tag_click) {

                            _this.source.getAnnotations().search(_trimmedTitle);

                        }

                        _tag.trigger("click");

                    });

                    _tagblock.append(_el);

                }

            });

        } else {

            _this.$.find(".Ldt-Annotation-Tags-Block").addClass("Ldt-Annotation-EmptyBlock");

        }

        highlightTitleAndDescription();

        if (_this.show_creator) {

             _this.$.find(".Ldt-Annotation-Creator").text(_annotation.creator);

        }

        if (_this.show_annotation_type) {

            _this.$.find(".Ldt-Annotation-Type").text(_annotation.getAnnotationType().title);

            _this.$.find(".Ldt-Annotation-Type").attr("title", _annotation.getAnnotationType().description);

        }

        _this.$.find(".Ldt-Annotation-Begin").text(_annotation.begin.toString());

        _this.$.find(".Ldt-Annotation-End").text(_annotation.end.toString());

        if (_annotation.elementType === "mashedAnnotation") {

            _this.$.find('.Ldt-Annotation-Inner').addClass("Ldt-Annotation-isMashup");

            _this.$.find(".Ldt-Annotation-MashupMedia").text(_annotation.getMedia().title);

            _this.$.find(".Ldt-Annotation-MashupBegin").text(_annotation.annotation.begin.toString());

            _this.$.find(".Ldt-Annotation-MashupEnd").text(_annotation.annotation.end.toString());

        } else {

            _this.$.find('.Ldt-Annotation-Inner').removeClass("Ldt-Annotation-isMashup");

        }

        if (typeof _this.socialWidget !== "undefined") {

            _this.socialWidget.updateUrls(_url, _text);

        } else {

            setTimeout(function() {

                if (typeof _this.socialWidget !== "undefined") {

                    _this.socialWidget.updateUrls(_url, _text);

                }

            },800);

        }

        _this.$.find(".Ldt-Annotation-Inner").removeClass("Ldt-Annotation-Empty");

        _this.bounds = [ _annotation.begin, _annotation.end ];

        if (_this.arrow) {

            _this.arrow.moveToTime((1 - _this.arrow_position) * _annotation.begin + _this.arrow_position * _annotation.end);

        }

        _this.sendBounds();

    }

    this.renderTemplate();

    this.$.find(".Ldt-Annotation-Title").click(function() {

        if (currentAnnotation) {

            _this.media.setCurrentTime(currentAnnotation.begin);

        }

        return false;

    });

    if (this.show_social) {

        this.insertSubwidget(this.$.find(".Ldt-Annotation-Social"), { type: "Social" }, "socialWidget");

    }

    if (this.show_arrow) {

        this.insertSubwidget(this.$.find(".Ldt-Annotation-Arrow"), { type: "Arrow", width: this.width }, "arrow");

    }

    this.onMediaEvent("timeupdate",timeupdate);

    this.onMdpEvent("Annotation.hide","hide");

    this.onMdpEvent("Annotation.show","show");

    this.onMdpEvent("Annotation.minimize","minimize");

    this.onMdpEvent("Annotation.maximize","maximize");

    this.onMdpEvent("Annotation.getBounds","sendBounds");

    this.$.find(".Ldt-Annotation-MaxMinButton").click(this.functionWrapper("toggleSize"));

    this.$.on("resize", function () { _this.width = _this.$.parent().width();

                                      _this.$.css({ width: _this.width });

                                    });

    this.getWidgetAnnotations().forEach(function(_a) {

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

            drawAnnotation(_a);

        });

    });

    this.source.getAnnotations().on("found", highlightTitleAndDescription);

    this.source.getAnnotations().on("not-found", highlightTitleAndDescription);

    this.source.getAnnotations().on("search-cleared", highlightTitleAndDescription);

    IriSP.attachDndData(this.$.find("h3"), function() {

    	return {

	    	title: currentAnnotation.title,

	    	description: currentAnnotation.description,

	    	image: currentAnnotation.thumbnail,

	    	uri: (typeof currentAnnotation.url !== "undefined" 

	            ? currentAnnotation.url

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

            text: '[' + currentAnnotation.begin.toString() + '] ' + currentAnnotation.title

	    };

    });

};

IriSP.Widgets.Annotation.prototype.sendBounds = function() {

    this.player.trigger("Annotation.boundsChanged",this.bounds);

};

IriSP.Widgets.Annotation.prototype.drawAnnotation = function(_annotation) {

    this.lastAnnotation = _annotation.id;

};

IriSP.Widgets.Annotation.prototype.hide = function() {

    this.$.slideUp();

};

IriSP.Widgets.Annotation.prototype.show = function() {

    this.$.slideDown();

};

IriSP.Widgets.Annotation.prototype.toggleSize = function() {

    if (this.minimized) {

        this.maximize();

    } else {

        this.minimize();

    }

};

IriSP.Widgets.Annotation.prototype.minimize = function() {

    this.minimized = true;

    this.$.find('.Ldt-Annotation-Inner').addClass("Ldt-Annotation-Minimized");

};

IriSP.Widgets.Annotation.prototype.maximize = function() {

    this.minimized = false;

    this.$.find('.Ldt-Annotation-Inner').removeClass("Ldt-Annotation-Minimized");

};