/* Common Javascript functions for use throughout Interspire Shopping Cart */

// Fetch the value of a cookie
function get_cookie(name) {
        name = name += "=";
        var cookie_start = document.cookie.indexOf(name);
        if(cookie_start > -1) {
                cookie_start = cookie_start+name.length;
                cookie_end = document.cookie.indexOf(';', cookie_start);
                if(cookie_end == -1) {
                        cookie_end = document.cookie.length;
                }
                return unescape(document.cookie.substring(cookie_start, cookie_end));
        }
}

// Set a cookie
function set_cookie(name, value, expires)
{
        if(!expires) {
                expires = "; expires=Wed, 1 Jan 2020 00:00:00 GMT;"
        } else {
                expire = new Date();
                expire.setTime(expire.getTime()+(expires*1000));
                expires = "; expires="+expire.toGMTString();
        }
        document.cookie = name+"="+escape(value)+expires;
}

/* Javascript functions for the products page */
var num_products_to_compare = 0;
var product_option_value = "";
var CurrentProdTab = "";
function showProductImage(filename, product_id, currentImage) {
        var l = (screen.availWidth/2)-350;
        var t = (screen.availHeight/2)-300;
        var variationAdd = '';
        if(ShowVariationThumb) {
                variationAdd = '&variation_id='+$('body').attr('currentVariation');
                CurrentProdThumbImage = null;
        }
        UrlAddOn = '';

        if(currentImage) {
                UrlAddOn = "&current_image="+currentImage;
        } else if(CurrentProdThumbImage) {
                UrlAddOn = "&current_image="+CurrentProdThumbImage;
        }
        var imgPopup = window.open(filename + "?product_id="+product_id+variationAdd+UrlAddOn, "imagePop", "toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width=700,height=600,top="+t+",left="+l);
        imgPopup.focus();
}

function CheckProductConfigurableFields(form)
{
        var requiredFields = $('.FieldRequired');
        var valid = true;
        requiredFields.each(function() {
                var namePart = this.name.replace(/^.*\[/, '');
                var fieldId = namePart.replace(/\].*$/, '');

                if(this.type=='checkbox' ) {
                        if(!this.checked) {
                                valid = false;
                                alert(lang.EnterRequiredField);
                                this.focus();
                                this.select();
                                return false;
                        }
                } else if(this.value == '') {
                        if(this.type != 'file' || (this.type == 'file' && document.getElementById('CurrentProductFile_'+fieldId).value == '')) {
                                valid = false;
                                alert(lang.EnterRequiredField);
                                this.focus();
                                this.select();
                                return false;
                        }
                }
        });

        var fileFields = $(form).find('input[type=file]');
        fileFields.each(function() {
                if(this.value != '') {
                        var namePart = this.name.replace(/^.*\[/, '');
                        var fieldId = namePart.replace(/\].*$/, '');
                        var fileTypes = document.getElementById('ProductFileType_'+fieldId).value;

                        fileTypes = ','+fileTypes.replace(' ', '').toLowerCase()+','
                        var ext = this.value.replace(/^.*\./, '').toLowerCase();

                        if(fileTypes.indexOf(','+ext+',') == -1) {
                                alert(lang.InvalidFileTypeJS);
                                this.focus();
                                this.select();
                                valid = false;
                        }

                }
        });

        return valid;
}

function check_add_to_cart(form, required) {
        var valid = true;
        var qtyInputs = $(form).find('input.qtyInput');
        qtyInputs.each(function() {
                if(isNaN($(this).val()) || $(this).val() <= 0) {
                        alert(lang.InvalidQuantity);
                        this.focus();
                        this.select();
                        valid = false;
                        return false;
                }
        });
        if(valid == false) {
                return false;
        }

        if(!CheckProductConfigurableFields(form)) {
                return false;
        }

//         if(required && !$(form).find('.CartVariationId').val()) {
//                 alert(lang.OptionMessage);
//                 var select = $(form).find('select').get(0);
//                 if(select) {
//                         select.focus();
//                 }
//                 var radio = $(form).find('input[type=radio]').get(0);
//                 if(radio) {
//                         radio.focus();
//                 }
//                 return false;
//         }

        if (!CheckEventDate()) {
                return false;
        }

        return true;
}

function compareProducts(compare_path) {
        var pids = "";

        if($('form').find('input[name=compare_product_ids][checked]').size() >= 2) {
                var cpids = document.getElementsByName('compare_product_ids');

                for(i = 0; i < cpids.length; i++) {
                        if(cpids[i].checked)
                                pids = pids + cpids[i].value + "/";
                }

                pids = pids.replace(/\/$/, "");
                document.location.href = compare_path + pids;
                return false;
        }
        else {
                alert(lang.CompareSelectMessage);
                return false;
        }
}

function product_comparison_box_changed(state) {
        // Increment num_products_to_compare - needs to be > 0 to submit the product comparison form


        if(state)
                num_products_to_compare++;
        else
                if (num_products_to_compare != 0)
                        num_products_to_compare--;
}

function remove_product_from_comparison(id) {
        if(num_compare_items > 2) {
                for(i = 1; i < 11; i++) {
                        document.getElementById("compare_"+i+"_"+id).style.display = "none";
                }

                num_compare_items--;
        }
        else {
                alert(lang.CompareTwoProducts);
        }
}

function show_product_review_form() {
        document.getElementById("rating_box").style.display = "";
        if(typeof(HideProductTabs) != 'undefined' && HideProductTabs == 0) {
                CurrentProdTab = 'ProductReviews_Tab';
        } else {
                document.location.href = "#write_review";
        }
}

function jump_to_product_reviews() {
        if(typeof(HideProductTabs) != 'undefined' && HideProductTabs == 0) {
                CurrentProdTab = 'ProductReviews_Tab';
        } else {
                document.location.href = "#reviews";
        }
}

function g(id) {
        return document.getElementById(id);
}

function check_product_review_form() {
        var revrating = g("revrating");
        var revtitle = g("revtitle");
        var revtext = g("revtext");
        var revfromname = g("revfromname");
        var captcha = g("captcha");

        if(revrating.selectedIndex == 0) {
                alert(lang.ReviewNoRating);
                revrating.focus();
                return false;
        }

        if(revtitle.value == "") {
                alert(lang.ReviewNoTitle);
                revtitle.focus();
                return false;
        }

        if(revtext.value == "") {
                alert(lang.ReviewNoText);
                revtext.focus();
                return false;
        }

        if(captcha.value == "" && HideReviewCaptcha != "none") {
                alert(lang.ReviewNoCaptcha);
                captcha.focus();
                return false;
        }

        return true;
}

function check_small_search_form() {
        var search_query = g("search_query");

        if(search_query.value == "") {
                alert(lang.EmptySmallSearch);
                search_query.focus();
                return false;
        }

        return true;
}

function setCurrency(currencyId)
{
        var gotoURL = location.href;

        if (location.search !== '')
        {
                if (gotoURL.search(/[&|\?]setCurrencyId=[0-9]+/) > -1)
                        gotoURL = gotoURL.replace(/([&|\?]setCurrencyId=)[0-9]+/, '$1' + currencyId);
                else
                        gotoURL = gotoURL + '&setCurrencyId=' + currencyId;
        }
        else
                gotoURL = gotoURL + '?setCurrencyId=' + currencyId;

        location.href = gotoURL;
}


// Dummy sel_panel function for when design mode isn't enabled
function sel_panel(id) {}

function inline_add_to_cart(filename, product_id, quantity, returnTo) {
        if(typeof(quantity) == 'undefined') {
                var quantity = '1';
        }
        var html = '<form action="' + filename + '/cart.php" method="post" id="inlineCartAdd">';
        if(typeof(returnTo) != 'undefined' && returnTo == true) {
                var returnLocation = window.location;
                html += '<input type="hidden" name="returnUrl" value="'+escape(returnLocation)+'" />';
        }
        html += '<input type="hidden" name="action" value="add" />';
        html += '<input type="hidden" name="qty" value="'+quantity+'" />';
        html += '<input type="hidden" name="product_id" value="'+product_id+'" />';
        html += '<\/form>';
   $('body').append(html);
   $('#inlineCartAdd').submit();
}

function ShowPopupHelp(content, url, decodeHtmlEntities) {
        var popupWindow = open('', 'view','height=450,width=550');

        if(decodeHtmlEntities) {
                content = HtmlEntityDecode(content);
        }
        if (window.focus) {
                popupWindow.focus();
        }

        var doc = popupWindow.document;
        doc.write(content);
        doc.close();

        return false;
}

function HtmlEntityDecode(str) {
   try {
      var tarea=document.createElement('textarea');
      tarea.innerHTML = str; return tarea.value;
      tarea.parentNode.removeChild(tarea);
   } catch(e) {
      //for IE add <div id="htmlconverter" style="display:none;"></div> to the page
      document.getElementById("htmlconverter").innerHTML = '<textarea id="innerConverter">' + str + '</textarea>';
      var content = document.getElementById("innerConverter").value;
      document.getElementById("htmlconverter").innerHTML = "";
      return content;
   }
}

function setProductThumbHeight()
{
        var ImageBoxDiv = $('.Content .ProductList .ProductImage');
        var ImageListDiv = $('.Content .ProductList:not(.List) li');
        var CurrentListHeight = ImageListDiv.height();
        var ProductImageMargin = ImageBoxDiv.css('margin-left')*2;
/*
        ImageBoxDiv.height(ThumbImageHeight);
        ImageBoxDiv.width(ThumbImageWidth);
        ImageBoxDiv.css('line-height', ThumbImageHeight+'px');
*/

        var ImageBoxHeight = ThumbImageHeight;

        if (parseInt(ImageBoxDiv.css("padding-top"), 10)) {
                ImageBoxHeight += parseInt(ImageBoxDiv.css("padding-top"), 10) * 2; //Total Padding Width
        }

        if(parseInt(ImageBoxDiv.css("margin-top"), 10)) {
                ImageBoxHeight += parseInt(ImageBoxDiv.css("margin-top"), 10) * 2; //Total Margin Width
        }

        if (parseInt(ImageBoxDiv.css("borderTopWidth"), 10)) {
                ImageBoxHeight += parseInt(ImageBoxDiv.css("borderTopWidth"), 10) * 2; //Total Border Width
        }

        ImageBoxDiv.height(ImageBoxHeight);
        ImageBoxDiv.width(ThumbImageWidth);
        ImageBoxDiv.css('line-height', ImageBoxHeight+'px');


        //calculate the new list container width based on the difference between the thumb image and default thumb size
        var ImageListWidth = ImageListDiv.width() + (ThumbImageWidth-120);
        ImageListDiv.width(ImageListWidth);

//        var ImageListHeight = ImageListDiv.height() + (ImageBoxDiv.height() - 120);
//        ImageListDiv.height(ImageListHeight);



        $('.Content .ProductList.List .ProductDetails').css('margin-left',ThumbImageWidth+2+'px');
        $('.Content .ProductList.List li').height(Math.max(CurrentListHeight, ThumbImageHeight));
}

// Dummy JS object to hold language strings.
var lang = {
};

// IE 6 doesn't support the :hover selector on elements other than links, so
// we use jQuery to work some magic to get our hover styles applied.
if(document.all) {
        var isIE7 = /*@cc_on@if(@_jscript_version>=5.7)!@end@*/false;
        if(isIE7 == false) {
                $(document).ready(function() {
                        $('.ProductList li').hover(function() {
                                $(this).addClass('Over');
                        },
                        function() {
                                $(this).removeClass('Over');
                        });
                        $('.ComparisonTable tr').hover(function() {
                                $(this).addClass('Over');
                        },
                        function() {
                                $(this).removeClass('Over');
                        });
                });
        }
        $('.ProductList li:last-child').addClass('LastChild');
}

function ShowLoadingIndicator() {
        if (typeof(disableLoadingIndicator) != 'undefined' && disableLoadingIndicator) {
                return;
        }
        var windowWidth = $(window).width();
        var scrollTop;
        if(self.pageYOffset) {
                scrollTop = self.pageYOffset;
        }
        else if(document.documentElement && document.documentElement.scrollTop) {
                scrollTop = document.documentElement.scrollTop;
        }
        else if(document.body) {
                scrollTop = document.body.scrollTop;
        }
        $('#AjaxLoading').css('position', 'absolute');
        $('#AjaxLoading').css('top', scrollTop+'px');
        $('#AjaxLoading').css('left', parseInt((windowWidth-150)/2)+"px");
        $('#AjaxLoading').show();
}

function HideLoadingIndicator() {
        $('#AjaxLoading').hide();
}


var loadedImages = {};

// Ensure that all product lists are the same height
function setProductListHeights(imgName) {
        // hack job putting this here but it needs to be reused by search ajax pager
        if (typeof(DesignMode) != 'undefined') {
                return;
        }

        if (imgName != 'undefined') {
                if (typeof loadedImages[imgName] != 'undefined') {
                        return;
                }

                loadedImages[imgName] = true;
        }

        setProductThumbHeight();

        /**
         * Sets the height of the elements passed in to match that of the one that
         * has the greatest height.
         *
         * @param ele The element(s) to adjust the height for.
         * @return void
         */
        function setHeight(ele) {
                var ele       = $(ele),
                        maxHeight = 0;

                ele
                        // reset the height just in case it was set by the stylesheet so
                        // we can detect it
                        .css('height', 'auto')
                        // get the one with the greatest height
                        .each(function() {
                                if ($(this).height() > maxHeight) {
                                        maxHeight = $(this).height();
                                }
                        })
                        // and set them all to the greatest height
                        .css('height', maxHeight);
        }

        setHeight('.Content .ProductList:not(.List) li .ProductDetails');

        if (typeof imgName != 'undefined') {
                setHeight('.Content .ProductList:not(.List) li .ProductPriceRating:has(img[src$='+imgName+'])');
        }

        setHeight('.Content .ProductList:not(.List) li');
}


/**
* Adds a script tag to the DOM that forces a hit to tracksearchclick. Should be called by a mousedown event as calling it by a click event can sometimes be cancelled by the browser navigating away from the page.
*/
function isc_TrackSearchClick (searchId) {
        if (!searchId) {
                return;
        }

        $('#SearchTracker').remove();

        var trackurl = 'search.php?action=tracksearchclick&searchid=' + encodeURIComponent(searchId) + '&random=' + Math.random();

        var script = document.createElement('script');
        script.type = "text/javascript";
        script.src = trackurl;
        script.id = "SearchTracker";

        window.document.body.appendChild(script);
}

$(document).ready(function() {

        if($('.Rating img').length > 0) {
                $('.Rating img').each(function() {
                        if($(this).height() == 0) {
                                $(this).load(function() {
                                        var imgName = $(this).attr('src').split('/');
                                        var imgKey = imgName.length-1;
                                        setProductListHeights(imgName[imgKey]);
                                });
                        } else {
                                setProductListHeights();
                                return false;
                        }
                });
        } else {
                setProductListHeights();
        }

        $('.InitialFocus').focus();
        $('table.Stylize tr:first-child').addClass('First');
        $('table.Stylize tr:last-child').addClass('Last');
        $('table.Stylize tr td:odd').addClass('Odd');
        $('table.Stylize tr td:even').addClass('Even');
        $('table.Stylize tr:even').addClass('Odd');
        $('table.Stylize tr:even').addClass('Even');

        $('.TabContainer .TabNav li').click(function() {
                $(this).parent('.TabNav').find('li').removeClass('Active');
                $(this).parents('.TabContainer').find('.TabContent').hide();
                $(this).addClass('Active');
                $(this).parents('.TabContainer').find('#TabContent'+this.id).show();
                $(this).find('a').blur();
                return false;
        });

        $('html').ajaxStart(function() {
                ShowLoadingIndicator();
        });

        $('html').ajaxComplete(function() {
                HideLoadingIndicator();
        });
});

var config = {};