// TODO: Trigger IriSP.SegmentsWidget.click and IriSP.Mediafragment.showAnnotation

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

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

};

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

IriSP.Widgets.Segments.prototype.defaults = {

    annotation_type : "chap",

    colors: ["#1f77b4","#aec7e8","#ff7f0e","#ffbb78","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5","#8c564b","#c49c94","#e377c2","#f7b6d2","#7f7f7f","#c7c7c7","#bcbd22","#dbdb8d","#17becf","#9edae5"],

    requires : [

        {

            type: "Tooltip"

        }

    ],

    height: 10

};

IriSP.Widgets.Segments.prototype.template =

    '<div class="Ldt-Segments-List">{{#segments}}'

    + '<div class="Ldt-Segments-Segment" segment-id="{{id}}" segment-text="{{text}}" segment-color="{{color}}" center-pos="{{center}}" begin-seconds="{{beginseconds}}"'

    + 'style="left:{{left}}px; width:{{width}}px; background:{{color}}"></div>'

    + '{{/segments}}</div>'

    + '<div class="Ldt-Segments-Position"></div>';

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

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

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

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

    this.bindPopcorn("timeupdate", "onTimeupdate");

    var _list = this.getWidgetAnnotations(),

        _this = this,

        _scale = this.width / this.source.getDuration();

    this.$.css({

        width : this.width + "px",

        height : (this.height - 2) + "px",

        margin : "1px 0"

    });

    this.$.append(Mustache.to_html(this.template, {

        segments : _list.map(function(_annotation, _k) {

            var _left = _annotation.begin * _scale,

                _width = ( _annotation.end - _annotation.begin ) * _scale,

                _center = _left + _width / 2;

            return {

                text : _annotation.title + ( _annotation.description ? '<br />' + _annotation.description.replace(/(^.{120,140})[\s].+$/,'$1&hellip;') : ''),

                color : ( typeof _annotation.color !== "undefined" && _annotation.color ? _annotation.color : _this.colors[_k % _this.colors.length] ),

                beginseconds : _annotation.begin.getSeconds() ,

                left : Math.floor( _left ),

                width : Math.floor( _width ),

                center : Math.floor( _center ),

                id : _annotation.namespacedId.name

            }

        })

    }));

    this.$segments = this.$.find('.Ldt-Segments-Segment');

    this.$segments.mouseover(function() {

        var _el = IriSP.jQuery(this);

        _this.$segments.removeClass("active").addClass("inactive");

        _this.tooltip.show( _el.attr("center-pos"), 0, _el.attr("segment-text"), _el.attr("segment-color"));

        _el.removeClass("inactive").addClass("active");

    })

    .mouseout(function() {

        _this.tooltip.hide();

        _this.$segments.removeClass("inactive active");

    })

    .click(function() {

        var _el = IriSP.jQuery(this);

        _this.player.popcorn.currentTime(_el.attr("begin-seconds"));

        _this.player.popcorn.trigger("IriSP.Mediafragment.setHashToAnnotation", _el.attr("segment-id"));

    });

}

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

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

    var _found = 0,

        _re = IriSP.Model.regexpFromTextOrArray(searchString);

    if (this.searchString) {

        this.$segments.each(function() {

            var _el = IriSP.jQuery(this);

            if (_re.test(_el.attr("segment-text"))) {

                _el.removeClass("unfound").addClass("found");

                _found++;

            } else {

                _el.removeClass("found").addClass("unfound");

            }

        });

        if (_found) {

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

        } else {

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

        }

    } else {

        this.$segments.removeClass("found unfound");

    }

}

IriSP.Widgets.Segments.prototype.onTimeupdate = function() {

    var _x = Math.floor( this.width * this.player.popcorn.currentTime() / this.source.getDuration().getSeconds());

    this.$.find('.Ldt-Segments-Position').css({

        left: _x + "px"

    })

}