(function() {
    var $$ = msnbc.namespace("msnbc.ads");

    $$.DapAd = msnbc.core.EventDispatcher.extend({

        init: function(style, placement, slot, index) {
            this._super();
            this.ACTIVE_CLASS = 'dap-advanced';
            this.style = style;
            this.placement = placement;
            this.slot = slot;
            this.index = index;
            this.valid = false;
            this.activePlaceholder = true;

            this.matchOptions();
            this.translateSlot();

        },

        translateSlot: function() {
            var self = this;
            $(this.slot).attr('id', this.group + '-' + this['package'] + '-' + this.index)
            .removeClass('ad-data')
            .addClass(self.ACTIVE_CLASS);
        },

        importOptions: function(options) {
            var self = this;
            jQuery.each(['group', 'package', 'width', 'height', 'hide', 'placement', 'style'],
            function() {
                self[this] = self[this] || options[this] || false;
            });
            var t = this;
            if (t.group && t["package"]) {
                t.valid = true;
            }
            if (t.style) {
                t.activePlaceholder = false;
            }
        },

        matchOptions: function() {

            var options = {};
            var sets = $(this.slot).text().match(/([\w\d]+)\s*?[\:=]\s*?([\w\d]+)/g);
            if (sets) {
                for (var i = 0; i < sets.length; i++) {
                    var kv = sets[i].match(/([\w\d]+)\s*?[\:=]\s*?([\w\d]+)/);
                    options[kv[1]] = kv[2];
                }
            } else {
                // something's messed up in the input or the regex
                }

            this.importOptions(options);

        },

        transpose: function(new_slot) {
            $(new_slot).replaceWith(this.slot);
            $(this.slot).addClass('transposed');

        },

        replaceLabel: function(){
   $(this.slot).find("iframe[id^='acbLbl']").hide();
   // workaround IE double call
   $(this.slot).find('div.adlabel').remove();
   $(this.slot).prepend('<div class="adlabel">advertisement | <a href="http://www.msnbc.msn.com/id/26613008/">your ad here</a></div>');
  },

        render: function() {
   var self = this;
            // '&PG=NBCMSB&AP=1089','300','250'
            if (!this.activePlaceholder || !window.dapMgr) return;
            var gp = "&PG=" + this.group + "&AP=" + this["package"];

            try {
                dapMgr.renderAd(this.slot.id, gp, parseInt(this.width), parseInt(this.height));
    var ifr = $(this.slot).find('iframe');
    if (ifr.length>0) {
     ifr = ifr[0];
     if (jQuery.browser.msie) {
      ifr.onreadystatechange = function(){
       self.replaceLabel();    
      };
     } else {
      ifr.onload = function(){
       self.replaceLabel();
      };
     }
     
    } else {
     self.replaceLabel();
    }
    
            } catch(e) {
                //console.log(e);
                }


        },

        refresh: function(div, ad) {
            try {
                //$(div).empty();
                for (var i = ad.length - 1; i >= 0; i--) {
                    var ad = ad[i];
                    ad.render();
                };
            } catch(e) {
                msnbc.log("Ad refresh() error");
                msnbc.log(e);
            }
        }
    });


    $$.PulseAd = $$.DapAd.extend({

        init: function(style, placement, slot, index) {
            this.SVC = "http://context1.kanoodle.com/cgi-bin/kontext.cgi?";
            this.DEFAULTS = {
                id: 78053631,
                db: 'context',
                query: '*general_network',
                cgroup: 'bizecon',
                format: 'json',
                numresults: 4
            };

            this.data = {};
            this.opts = {};

            this._super(style, placement, slot, index);
            this.ACTIVE_CLASS = 'pulse-ad';

        },

        translateSlot: function() {
            var self = this;
            $(this.slot).attr('id', 'pulse-' + this.opts.cgroup + '-' + this.index)
            .removeClass('pulse-data')
            .addClass('pulse-ad');
        },

        importOptions: function(options) {

            var self = this;
            jQuery.each(['id', 'db', 'query', 'cgroup', 'format', 'numresults'],
            function() {
                self.opts[this] = options[this] || self.DEFAULTS[this] || false;
            });

            this.desiredResults = this.opts.numresults;

            this.valid = true;
            if (this.style) this.activePlaceholder = false;
        },

        getURL: function() {
            return this.SVC + jQuery.param(this.opts);
        },

        render: function() {
            //[ { title:"", display_url:"", description:"", click_url:""}... ]
            var m = '';

            jQuery.each(this.data.listings,
            function() {
                m += '<div onclick="window.open(\'' + this.click_url + '\')" style="cursor: pointer;">';
                m += '<span class="title">' + this.title + '</span>';
                m += '<span class="desc">' + this.description + '</span>';
                m += '<span class="link">' + this.display_url + '</span>';
                m += '</div>';

            });

            $(this.slot).append(m).addClass('rendered');

        }

    });


    $$.DapCollection = msnbc.core.EventDispatcher.extend({

        init: function(adClazz) {
            this._super();
            this.DATA_CLASS = 'ad-data';
            this.PLACEHOLDER_CLASS = 'ad-placeholder';
            this.adClazz = adClazz;
            this.ads = [];
            this.adsByStyle = {};
            this.adsByID = {};
            this.selector;
        },

        activate: function(selectr) {
            var self = this;
            var dataExp = new RegExp(this.DATA_CLASS + "\s?");
            var ad;
            var clazz = msnbc.namespace(self.adClazz);

            if (!clazz.prototype) throw 'Unrecognized classname: ' + self.adClazz;

            $(selectr).each(function(i) {
                var kind = $(this).attr("class").split(' ');
                var style = kind[1] || '';
                var placement = kind[2] || '';
                ad = new clazz(style, placement, this, i);

                if (ad.valid) {
                    $(this).empty();

                    /*Ads by Style*/
                    self.adsByStyle[style] = self.adsByStyle[style] || [];
                    self.adsByStyle[style].push(ad);

                    /*Ads by ID*/
                    self.adsByID[ad.slot.id] = self.adsByID[ad.slot.id] || [];
                    self.adsByID[ad.slot.id].push(ad);

                    /*Ads (general)*/
                    self.ads.push(ad);

                } else {
                    // record invalid ads?
                    }

            });

            this.selector = '.' + ad.ACTIVE_CLASS;

        },

        getAd: function(styleOrIndex, placement) {
            if (typeof(styleOrIndex) == "number") {
                return this.ads[styleOrIndex];
            }
            var style = styleOrIndex;

            var bys = this.adsByStyle[style];
            if (bys && bys.length) {
                var match = [];
                if (placement) {
                    jQuery.each(bys,
                    function() {
                        if (this.placement === placement) match.push(this);
                    });

                } else {
                    match = bys;
                }
                if (match.length > 1) return match;
                return match[0];
            }
            return false;

        },

        getAdsIn: function(selectr) {
            var self = this;
            var ads = [];
            $(selectr).find(this.selector).each(function() {
                var ad = self.adsByID[this.id];
                if (ad) ads.push(ad);
            });
            return ads;

        },

        renderAll: function() {
            for (var i = this.ads.length - 1; i >= 0; i--) {
                var ad = this.ads[i];
                ad.render();
            };
        },

        transposeAll: function(new_selectr) {
            var self = this;
            $(new_selectr).each(function() {
                var kind = $(this).attr("class").split(' ');
                var style = kind[1] || '';
                var placement = kind[2] || '';
                var ad = self.getAd(style, placement);
                if (ad) {
                    ad.activePlaceholder = true;
                    ad.transpose(this);
                }

            });

        }

    });

    $$.PulseCollection = $$.DapCollection.extend({

        init: function(adClazz) {

            this._super(adClazz);

            this.DATA_CLASS = 'pulse-data';
            this.PLACEHOLDER_CLASS = 'pulse-placeholder';

            this.currIndex = null;
        },

        requestAdData: function(ad) {
            var self = this;

            var url = ad.getURL();
            try {

                jQuery.getScript(url,
                function(d, s) {
                    self.onDataSuccess(d, s);
                });

            } catch(e) {
                this.onError(this, 'before ajax request', e);
            }

        },

        renderAll: function() {
            if (this.ads.length && this.ads.length > 0) {
                this.currIndex = 0;
                this.requestAdData(this.ads[this.currIndex]);
            }

        },

        onDataSuccess: function(data, textStatus) {
            // window.pulse_ads .listings
            if (window.pulse_ads) {

                var currAd = this.ads[this.currIndex];
                currAd.data = jQuery.extend({},
                window.pulse_ads);
                currAd.render();

                if (this.currIndex < this.ads.length - 1) {

                    // and call the next
                    this.requestAdData(this.ads[++this.currIndex]);
                } else {
                    //done rendering pulse360 ads
                    }

            } else {
                // something is wrong, throw an error.
                this.onError('', 'bad data after successful $.getScript');
            }


        },

        onError: function(req, status, e) {
            msnbc.warn("[msnbc.modules.KanoodleWrapper::onError] " + e + "/" + status);

        }

    });

    $$.DapProxy = {

        dapStandIn: function(grp_pkg, w, h, ob) {

            $$.DapProxy.ads = $$.DapProxy.ads || [];
            $$.DapProxy.ads.push({
                gp: grp_pkg,
                w: w,
                h: h
            });

        },

        replaceCalls: function() {
          if ($$.DapProxy.disabled==true) {
            return;
          }
            var self = $$.DapProxy;

            var ads = jQuery.map(self.ads,
            function(n) {
                var split = n.gp.match(/&(\w+)=([\d\w]+)/g);
                if (split) {
                    for (var i = 0; i < split.length; i++) {
                        var gp = split[i].match(/&(\w+)=([\d\w]+)/);
                        if (gp[1] == "PG") n.group = gp[2];
                        else if (gp[1] == "AP") n.pkg = gp[2];
                    }
                }
                return n;
            });


            $('body script').each(function() {
                // look through the script in the body to find the function that called this...
                var script = this;

                ads = jQuery.grep(ads,
                function(ad) {

                    var search = "dap[(]['\"]" + ad.gp + "['\"],\s?['\"]?" + ad.w + "['\"]?,\s?['\"]?" + ad.h + "['\"]?[)]";
                    var sregx = new RegExp(search);
                    var match = sregx.exec($(script).text());

                    if (match) {
                        // replace the script block with a div shim
                        var m = "group:" + ad.group + "\n";
                        m += "package:" + ad.pkg + "\n";
                        m += "width:" + ad.w + "\n";
                        m += "height:" + ad.h + "\n";

                        $(script).replaceWith('<div class="ad-data">' + m + '</div>');
                        return false;
                        // found this ad, remove from search list
                    }

                    return true;
                    // didn't find this ad, keep it in
                });
            });
        },

        revert: function() {
            // reset to original dap
            // doesn't work ...
            $$.DapProxy.dapStandIn = $$.DapProxy.oldDap;

        }


    };

})();

 (function() {

    if (window.dap) {
        msnbc.ads.DapProxy.oldDap = dap;
        dap = msnbc.ads.DapProxy.dapStandIn;
    } else {
  window.dap = function() {};
  msnbc.ads.DapProxy.disabled = true;
 }

})();