/**************************
* 
* http://modx-shopkeeper.ru/
* Shopkeeper 0.9.5 - shopping cart for MODx
* 
**************************/


if(typeof(site_url)=='undefined'){
    var site_url = $('base').size()>0 ? $('base:first').attr('href')
    : window.location.protocol+'//'+window.location.host+'/';
}

(function($){

    //default settings:
    var shkOpt = $.extend({
        stuffCont: 'div.shk-item',
        lang: '',
        cartType: 'full',
        style:'default',
        cartTpl: ['@FILE:assets/snippets/shopkeeper/install/examples/ru/chunk_shopCart.txt','',''],
        flyToCart: 'helper',
        currency: '',
        orderFormPage: '',
        priceTV: 'price',
        noCounter: false,
        changePrice: false,
        counterField: false,
        linkAllow: true,
        noLoader: false,
        debug: false,
        shkHelper: '<div id="stuffHelper"><div><b id="stuffHelperName"></b></div>'
        +"\n"+'<div class="shs-count" id="stuffCount">'+langTxt['count']+' <input type="text" size="2" name="count" value="1" maxlength="3" />'
        +'</div><div><button class="shk-but" id="confirmButton">'+langTxt['continue']+'</button> '
        +"\n"+'<button class="shk-but" id="cancelButton">'+langTxt['cancel']+'</button></div></div>'
        +"\n"
    }, shkOptions);

    var settings_qs = '&cart_type='+shkOpt.cartType+'&cart_tpl='+shkOpt.cartTpl[0]+'&cart_row_tpl='+shkOpt.cartTpl[1]+'&currency='+shkOpt.currency+'&price_tv='+shkOpt.priceTV+'&link_allow='+shkOpt.linkAllow+'&nocounter='+shkOpt.noCounter+'&change_price='+shkOpt.changePrice+'&order_page='+shkOpt.orderFormPage;

    $.fn.setCounterToField = function(opt){
        st = $.extend({
            style:'default',
            wrapdiv:false
        }, opt);
        var imgpath = site_url+'assets/snippets/shopkeeper/style/'+st.style+'/img/';
        function checkKey(e){
            var key_code = e.which ? e.which : e.keyCode;
            return (key_code>47&&key_code<58)||key_code==8 ? true : false;
        };
        function changeCount(field,action){
            var count = parseInt($(field).attr('value'));
            var num = action==1 ? count+1 : count-1;
            if(num>=1)
                $(field).val(num);
        };
        var countButs = '<img class="field-arr-up" src="'+imgpath+'arr_up.gif" width="17" height="9" alt="" />'
        + '<img class="field-arr-down" src="'+imgpath+'arr_down.gif" width="17" height="9" alt="" />'+"\n";
        var field = $(this);
        if(st.wrapdiv)
            $(this).wrap('<div></div>');
        $(this)
        .css({
            'height':'16px',
            'border':'1px solid #888',
            'vertical-align':'bottom',
            'text-align':'center',
            'padding':'1px 2px',
            'font-size':'13px'
        })
        .after(countButs)
        .keypress(function(e){
            return checkKey(e);
        });
        $(this).next('img').click(function(){
            changeCount(field,1);
        })
        .css({
            'cursor':'pointer',
            'margin':'0 0 11px 1px',
            'vertical-align':'bottom'
        })
        .next('img').click(function(){
            changeCount(field,2);
        })
        .css({
            'cursor':'pointer',
            'margin':'0 0 1px -17px',
            'vertical-align':'bottom'
        });
    };


    $.fn.shopkeeper = function(){
        $(this).each(function(i){
            var parent = this;
            var thisForm = $('form',this);
            if(shkOpt.counterField){
                if($("input[name='shk-count']",this).is(':hidden')==false){
                    $("input[name='shk-count']",this).setCounterToField({
                        style:shkOpt.style
                        });
                }
            }
            $(thisForm).submit(function(){
                $('select.addparam,input.addparam:checked',parent).each(function(){
                    jQuery.additOpt(this);
                });
                toCart(thisForm);
                return false;
            });
            return this;
        });
    };



    if (navigator.cookieEnabled==false){
        alert(langTxt['cookieError']);
    }


    function showHelper(elem,name,noCounter,func){
        if(shkOpt.debug){
            log.info('showHelper()');
        }
        $('#stuffHelper').remove();
        $('body').append(shkOpt.shkHelper);
        $('#cancelButton').click(function(){
            $('#stuffHelper').fadeOut(300,function(){
                $(this).remove()
                });
            return false;
        });
        $('#confirmButton').click(function(){
            func();
            return false;
        });
        if(noCounter){
            $('#stuffCount').remove();
        }else{
            $('input:text','#stuffCount').setCounterToField();
        }
        var elHelper = $('#stuffHelper');
        var btPos = getCenterPos(elHelper,elem);
        if(name){
            $('#stuffHelperName').text(name);
        }else{
            $('#stuffHelperName').remove();
        }
        $('#stuffHelper').css({
            'top':btPos.y+'px',
            'left':btPos.x+'px'
            }).fadeIn(500);
    };


    function showLoading(show){
        if(shkOpt.debug){
            log.info('showLoading(), show='+show);
        }
        if(!shkOpt.noLoader){
            if(show==true){
                $('body').append('<div id="shkLoading"></div>');
                var loader = $('#shkLoading');
                var shopCart = $('#shopCart');
                var btPos = getCenterPos(loader,shopCart);
                $('#shkLoading').css({
                    'top':btPos.y+'px',
                    'left':btPos.x+'px'
                    }).fadeIn(300);
            }else{
                $('#shkLoading').fadeOut(300,function(){
                    $(this).remove();
                });
            }
        }
    }


    function getPosition(elem){
        var el = $(elem).get(0);
        var p = {
            x: el.offsetLeft,
            y: el.offsetTop
            };
        while (el.offsetParent){
            el = el.offsetParent;
            p.x += el.offsetLeft;
            p.y += el.offsetTop;
            if (el != document.body && el != document.documentElement){
                p.x -= el.scrollLeft;
                p.y -= el.scrollTop;
            }
        }
        return p;
    };


    function getCenterPos(elA,elB){
        posB = new Object();
        cntPos = new Object();
        posB = getPosition(elB);
        var correct;
        cntPos.y = Math.round(($(elB).outerHeight()-$(elA).outerHeight())/2)+posB.y;
        cntPos.x = Math.round(($(elB).outerWidth()-$(elA).outerWidth())/2)+posB.x;
        if(cntPos.x+$(elA).outerWidth()>$(window).width()){
            cntPos.x = Math.round($(window).width()-$(elA).outerWidth())-2;
        }
        if(cntPos.x<0){
            cntPos.x = 2;
        }
        return cntPos;
    };


    function ajaxRequest(params){
        if(shkOpt.debug){
            log.debug('ajaxRequest(), params='+params);
        }
        $.ajax({
            type: "POST",
            cache: false,
            url: site_url+'assets/snippets/shopkeeper/ajax-action.php',
            data: params+'&lang='+shkOpt.lang,
            success: function(data){
                showLoading(false);
                if(window.location.href.indexOf('/'+shkOpt.orderFormPage)>-1){
                    $('#butOrder').hide();
                }
                var cartHeight = $('#shopCart').height();
                $('#shopCart').replaceWith(data);
                setCartActions();
                var cartheightNew = $('#shopCart').height();
                animCartHeight(cartHeight,cartheightNew);
            }
        });
    }


    function deleteItem(num,el){
        thisAction = function(){
            if(shkOpt.debug){
                log.debug('deleteItem(), num='+num);
            }
            if(num!='all'){
                showLoading(true);
                var getParams = '&action=delete&index='+num+settings_qs;
                ajaxRequest(getParams);
            }else{
                jQuery.emptyCart();
            }
            $('#stuffHelper').fadeOut(500,function(){
                $(this).remove();
            });
        };
        showHelper(el,langTxt['confirm'],true,thisAction);
        $('#confirmButton').text(langTxt['yes']);
    };


    function recountItem(num,el){
        thisAction = function(){
            var count = $('input:text','#stuffCount').val();
            $('#stuffHelper').fadeOut(500,function(){
                $(this).remove();
            });
            showLoading(true);
            var getParams = '&action=recount&index='+num+'&count='+count+settings_qs;
            ajaxRequest(getParams);
            if(shkOpt.debug){
                log.debug('recountItem(): num:'+num+', count:'+count);
            }
        };
        showHelper(el,false,false,thisAction);
        var thisCount = $(el).is('a') ? parseInt($(el).text().replace(/\D* /,'')) : parseInt($(el).val().replace(/\D* /,''));
        $('input:text','#stuffCount').val(thisCount);
    };


    function setCartActions(){
        if(shkOpt.debug){
            log.info('setCartActions()');
        }
        var rows = $('a.shk-del','#shopCart');
        var countElem = $('a.shk-count','#shopCart').size()>0 ? $('a.shk-count','#shopCart') : $('input.shk-count','#shopCart');
        if($(rows).size()>0){
            $(rows).each(function(i,n){
                countElem.eq(i).click(function(){
                    recountItem(i,this);
                    return false;
                });
                $('a.shk-del:eq('+i+')').click(function(){
                    deleteItem(i,this);
                    return false;
                });
            });
        }
        $('#butEmptyCart').click(function(){
            deleteItem('all',this);
            return false;
        });
        if(window.location.href.indexOf('/'+shkOpt.orderFormPage)>-1){
            $('#butOrder').hide();
        }
    };


    function fillCart(thisForm,count){
        if(shkOpt.debug){
            log.info('fillCart()');
        }
        var shopCart = $('#shopCart');
        showLoading(true);
        var stuffCount = count!='' ? '&count='+count : '';
        //var getParams = '&action=fill_cart&cart_type='+shkOpt.cartType+'&cart_tpl='+shkOpt.cartTpl[0]+'&cart_row_tpl='+shkOpt.cartTpl[1]+'&addit_data_tpl='+shkOpt.cartTpl[2]+'&currency='+shkOpt.currency+'&link_allow='+shkOpt.linkAllow+'&nocounter='+shkOpt.noCounter+'&change_price='+shkOpt.changePrice+'&order_page='+shkOpt.orderFormPage+stuffCount;
        var getParams = '&action=fill_cart'+settings_qs+stuffCount;
        var formData = $(thisForm).serialize();
        ajaxRequest(getParams+'&'+formData);
    };



    function toCart(thisForm){
        var el = $("input[type='submit'],input[type='image'],button[type='submit']",thisForm).eq(0);
        var name = $("input[name='shk-name']",thisForm).val();
        var paid = $("input[name='pa-id']",thisForm).val();
        var count1 = $("input[name='shk-count']",thisForm).val();

        thisAction = function(){
            var count = $('#stuffCount').is('*') ? parseInt($('input:text','#stuffCount').val()) : '';

            if(shkOpt.flyToCart=='image'){
                var parent = $(thisForm).parents(shkOpt.stuffCont);
                var image = $('img.shk-image:first',parent);
                if($(image).size()>0){
                    var cart = $('#shopCart');
                    var btPos = getPosition(image);
                    var cartPos = getCenterPos(image,cart);
                    $('img.shk-image:first',parent)
                    .clone(true)
                    .appendTo('body')
                    .css({
                        'top':btPos.y+'px',
                        'position':'absolute',
                        'left':btPos.x+'px',
                        'opacity':0.75
                    })
                    .animate({
                        top: cartPos.y+'px',
                        left: cartPos.x+'px'
                    },700).fadeOut(500,function(){
                        $(this).remove();
                        fillCart(thisForm,count);
                    });
                }else{
                    fillCart(thisForm,count);
                }
            }
            if(shkOpt.flyToCart=='helper'){
                var elHelper = $('#stuffHelper');
                var cart = $('#shopCart');
                var cartPos = getCenterPos(elHelper,cart);
                $('#stuffHelper').animate({
                    top: cartPos.y+'px',
                    left: cartPos.x+'px'
                },700).fadeOut(500,function(){
                    $(this).remove();
                    fillCart(thisForm,count);
                });
            }else{
                if(shkOpt.flyToCart!='image'){
                    fillCart(thisForm,count);
                }
                setTimeout(function(){
                    $('#stuffHelper').fadeOut(500,function(){
                        $('#stuffHelper').remove();
                    });
                },1000);
            }
            if(shkOpt.debug){
                log.debug('toCart(), name='+name);
            }

        };
        switch(shkOpt.flyToCart){
            case 'helper':
                showHelper(el,name,shkOpt.noCounter,thisAction);
                break;
            default:
                thisAction();
                showHelper(el,langTxt['addedToCart'],true,thisAction);
                $('#confirmButton,#cancelButton').hide();
                break;
        }
    };


    jQuery.additOpt = function(elem){
        var thisName = $(elem).attr('name');
        var thisNameArr = thisName.split('__');
        $('#add_'+thisNameArr[1]).remove();
        var additPriceSum = 0;
        var parent = $(elem).parents(shkOpt.stuffCont);
        $('select.addparam,input.addparam:checked',parent).each(function(){
            var value = $(this).val();
            var valArr = value.split('__');
            var price = valArr[1]!='' ? parseFloat(valArr[1]) : 0;
            additPriceSum += price;
            if(shkOpt.debug) log.debug('additOpt(): item id='+thisNameArr[1]+', name='+valArr[0]+', price='+price);
        });
        if(additPriceSum!='' && !isNaN(additPriceSum) && !shkOpt.changePrice){
            $('.shk-price:first',parent).after('<sup id="add_'+thisNameArr[1]+'" class="price-add">+'+additPriceSum+'</sup>');
            if(shkOpt.debug) log.debug('additOpt(): item id='+thisNameArr[1]+', additPriceSum='+additPriceSum);
        }else if(!isNaN(additPriceSum) && shkOpt.changePrice){
            var priceTxt = $('.shk-price:first',parent);
            var curPrice = $(priceTxt).is(":has('span')") ? $('span',priceTxt).text().replace(/\D* /,'') : $(priceTxt).text().replace(/\D* /,'');
            var newPrice = parseFloat(curPrice)+additPriceSum;
            $(priceTxt).empty().append('<span style="display:none;">'+curPrice+'</span>'+newPrice);
            if(shkOpt.debug) log.debug('additOpt(): item id='+thisNameArr[1]+', curPrice='+curPrice+', newPrice='+newPrice);
        }
    };


    jQuery.emptyCart = function(){
        if(shkOpt.debug){
            log.info('emptyCart()');
        }
        showLoading(true);
        ajaxRequest('&action=empty&cart_tpl='+shkOpt.cartTpl[0]);
    };


    jQuery.refreshCart = function(){
        if(shkOpt.debug){
            log.info('refreshCart()');
        }
        showLoading(true);
        var getParams = '&action=refresh_cart'+settings_qs;
        ajaxRequest(getParams);
    };


    function animCartHeight(curH,newH){
        $('#shopCart')
        .css({
            'height':curH+'px',
            'overflow':'hidden'
        })
        .animate({
            height:newH+'px'
            },500,function(){
            $(this).css({
                'overflow':'visible',
                'height':'auto'
            });
        });
    }


    $(document).ready(function(){
        setCartActions();
        if(window.location.href.indexOf('/'+shkOpt.orderFormPage)>-1){
            $('#butOrder').hide();
        }
        $('select.addparam,input.addparam:checked').each(function(){
            jQuery.additOpt(this);
        });
        if(shkOpt.debug){
            log.info('window.location.href = '+window.location.href);
            log.info('navigator.userAgent = '+navigator.userAgent);
        }
    });

})(jQuery);


if(jQuery.browser.msie && jQuery.browser.version=='6.0'){
    document.execCommand("BackgroundImageCache",false,true);
}