/*	Product popup addon
 *
 *	@copyright IDEV.no and Silverthemes.com
 *	@author Jone Eide <jone@idev.no>
 **/
function PopupOverlay(options){
    this.url = options.url;
    this.create_overlay = options.create_overlay;
    this.createPopup();
    this.createImagePopup();
    //this.product_id = false;
    if (typeof options.imagesearch == 'undefined') {
        this.imagesearch = 'div.catalog-listing img';
    }
    else {
        this.imagesearch = options.imagesearch;
    }
    if (typeof options.parentsearch == 'undefined') {
        this.parentsearch = 'td.item';
    }
    else {
        this.parentsearch = options.parentsearch;
    }
    if (typeof options.serial == 'undefined') {
        this.code = 'none';
    }
    else {
        this.code = options.serial;
    }
    if (this.create_overlay) {
        this.createOverlay();
    }
    $$(this.imagesearch).invoke('observe', 'mouseover', PopupOverlay.getImageMouseOverFunction(this));
    $$(this.imagesearch).invoke('observe', 'mouseout', PopupOverlay.getImageMouseOutFunction(this));
}

PopupOverlay.prototype.createImagePopup = function(){
    this.imagepopup = document.createElement('div');
    this.imagepopup.id = 'product-image-popup';
    Element.extend(this.imagepopup);
    this.imagepopup.setStyle({
        display: 'none'
    });
    this.imagepopup.addClassName('product-image-popup-normal');
    this.imagepopup.update('Quick Info');
    this.imagepopup.observe('mouseover', PopupOverlay.getImagePopupMouseOverFunction(this));
    this.imagepopup.observe('mouseout', PopupOverlay.getImagePopupMouseOutFunction(this));
    this.imagepopup.observe('click', PopupOverlay.getImagePopupClickFunction(this));
    document.body.insertBefore(this.imagepopup, document.body.childNodes[0]);
};
PopupOverlay.getImagePopupClickFunction = function(popup_overlay){
    return function(event){
        var element = event.element();
        popup_overlay.getProductData(popup_overlay.product_id);
        popup_overlay.show();
    };
};
PopupOverlay.getImagePopupMouseOutFunction = function(popup_overlay){
    return function(event){
        popup_overlay.imagepopup.removeClassName('product-image-popup-hover');
        popup_overlay.imagepopup.addClassName('product-image-popup-normal');
        popup_overlay.imagepopup.hide();
    };
};
PopupOverlay.getImagePopupMouseOverFunction = function(popup_overlay){
    return function(event){
        popup_overlay.imagepopup.removeClassName('product-image-popup-normal');
        popup_overlay.imagepopup.addClassName('product-image-popup-hover');
        popup_overlay.imagepopup.show();
    };
};
PopupOverlay.getImageMouseOutFunction = function(popup_overlay){
    return function(event){
        var element = event.element();
        event.preventDefault();
        popup_overlay.imagepopup.hide();
    };
};
PopupOverlay.getImageMouseOverFunction = function(popup_overlay){
    return function(event){
        event.preventDefault();
        var element = event.element();
        var dimensions = element.getDimensions();
        var offset = element.cumulativeOffset();
        var image_height = dimensions.height;
        var image_width = dimensions.width;
        var imagepopup_dimensions = popup_overlay.imagepopup.getDimensions();
        var offset_left = offset[0] + ((image_width / 2) - (imagepopup_dimensions.width / 2));
        var offset_top = offset[1] + image_height - imagepopup_dimensions.height;
        popup_overlay.imagepopup.setStyle({
            top: offset_top + 'px',
            left: offset_left + 'px'
        });
        popup_overlay.imagepopup.show();
        var parent = popup_overlay.parentsearch  
		//popup_overlay.product_id = parent.id.split('-')[1];
        var linkparent = element.up('a');
        popup_overlay.product_url = linkparent.href;
    };
}; 
PopupOverlay.prototype.setLoading = function(){
    var html = '<div class="productpopup-loading">Loading...</div>';
    this.contents.update(html);
    this.centerPopup();
};
PopupOverlay.prototype.getProductData = function(product_id){
    var url = this.url + '?product_id=' + product_id;
	var popup_overlay = this;
    this.setLoading();
    var request = new Ajax.Request(url, {
        method: 'get',
        onSuccess: function(transport){
            var data = transport.responseText;
            //if (!popup_overlay.check()) {
                //data = data + Base64.decode('PHA+UGxlYXNlIHB1cmNoYXNlIGEgbGljZW5zZSBhdCA8YSBocmVmPSJodHRwOi8vd3d3LnNpbHZlcnRoZW1lcy5jb20iPnd3dy5TaWx2ZXJ0aGVtZXMuY29tPC9hPi48L3A+');
            //}
			var data = data.replace('<p>Please purchase a licence at <a href="http://www.silverthemes.com">www.silverthemes.com</a></p>', '');
            popup_overlay.contents.update(data);
			popup_overlay.centerPopup();
            $('popup-product-button-close').observe('click', function(e){
                popup_overlay.hide();
            });
            $('popup-product-button-close').observe('mouseover', function(e){
                e.element().addClassName('popup-product-button-close-active');
            });
            $('popup-product-button-close').observe('mouseout', function(e){
                e.element().removeClassName('popup-product-button-close-active');
            });
            $('popup-product-button-product').observe('click', function(e){
                window.location = popup_overlay.product_url;
            });
            $('popup-product-button-product').observe('mouseover', function(e){
                e.element().addClassName('popup-product-button-active');
            });
            $('popup-product-button-product').observe('mouseout', function(e){
                e.element().removeClassName('popup-product-button-active');
            });
        },
        onFailure: function(){
            alert(product_id);
        }
    });
};
PopupOverlay.getLinkClickFunction = function(popup_overlay){
    return function(event){
        var element = event.element();
		var product_id = element.id;
        event.preventDefault();
        popup_overlay.getProductData(product_id);
        popup_overlay.show();
    };
};
PopupOverlay.prototype.show = function(){
    if (this.create_overlay) {
        this.overlay.show();
    }
    var effect = new Effect.Appear(this.popup, {
        duration: 0.3
    });
};
PopupOverlay.prototype.hide = function(){
    var overlay = this.overlay;
    var popup_overlay = this;
    var effect = new Effect.Fade(this.popup, {
        duration: 0.2,
        afterFinish: function(){
            if (popup_overlay.create_overlay) {
                var neweffect = new Effect.Fade(overlay, {
                    duration: 0.2
                });
            }
        }
    });
};
PopupOverlay.prototype.getPopup = function(){
    if (typeof this.popup == 'undefined') {
        return this.createPopup();
    }
    else {
        return this.popup;
    }
};
PopupOverlay.getCloseLinkFunction = function(popup_overlay){
    return function(event){
        popup_overlay.hide();
    };
};
PopupOverlay.prototype.buildHeader = function(){
    this.header = document.createElement('div');
    Element.extend(this.header);
    this.header.addClassName('productpopup-header');
    this.header.appendChild(document.createTextNode(''));
    this.closeicon = document.createElement('div');
    this.closeicon.appendChild(document.createTextNode(''));
    Element.extend(this.closeicon);
    this.closeicon.observe('click', PopupOverlay.getCloseLinkFunction(this));
    this.closeicon.addClassName('closeicon');
    this.header.appendChild(this.closeicon);
    this.popup.appendChild(this.header);
};
PopupOverlay.prototype.check = function(){
    if (hex_sha1(hex_sha1(Base64.decode('cHJvZHVjdHBvcHVw')) + document.domain) == this.code) {
        return true;
    }
    return false;
};
PopupOverlay.prototype.buildContents = function(){
    this.contents = document.createElement('div');
    Element.extend(this.contents);
    this.contents.appendChild(document.createTextNode(''));
    this.contents.addClassName('contents');
    this.popup.appendChild(this.contents);
};
PopupOverlay.prototype.buildFooter = function(){
    this.footer = document.createElement('div');
    Element.extend(this.footer);
    this.footer.addClassName('productpopup-footer');
    this.footer.appendChild(document.createTextNode(''));
    this.popup.appendChild(this.footer);
};
PopupOverlay.prototype.centerPopup = function(){
    var dimensions = document.viewport.getDimensions();
    var popup_width = this.popup.getWidth();
    var popup_height = this.popup.getHeight();
    var offset = document.viewport.getScrollOffsets();
    var width = dimensions.width;
    var left = (width / 2) - (popup_width / 2);
    var height = dimensions.height;
    var top = (height / 2) - (popup_height / 2) + offset.top;
    this.popup.setStyle({
        top: top + 'px',
        left: left + 'px'
    });
};
PopupOverlay.prototype.createPopup = function(){
    this.popup = document.createElement('div');
    this.popup.id = 'popup';
    Element.extend(this.popup);
    this.buildHeader();
    this.buildContents();
    this.buildFooter();
    this.popup.setStyle({
        display: 'none'
    });
    document.body.insertBefore(this.popup, document.body.childNodes[0]);
    return this.popup;
};
PopupOverlay.prototype.createOverlay = function(){
    this.overlay = document.createElement('div');
    this.overlay.id = 'popup-overlay';
    Element.extend(this.overlay);
    this.overlay.setStyle({
        height: document.body.offsetHeight + 'px',
        display: 'none'
    });
    var popupoverlay = this;
    this.overlay.observe('click', function(e){
        popupoverlay.hide();
    });
    document.body.insertBefore(this.overlay, document.body.childNodes[0]);
};
function hex_sha1(s){
    return rstr2hex(rstr_sha1(str2rstr_utf8(s)));
}

function b64_sha1(s){
    return rstr2b64(rstr_sha1(str2rstr_utf8(s)));
}

function any_sha1(s, e){
    return rstr2any(rstr_sha1(str2rstr_utf8(s)), e);
}

function hex_hmac_sha1(k, d){
    return rstr2hex(rstr_hmac_sha1(str2rstr_utf8(k), str2rstr_utf8(d)));
}

function b64_hmac_sha1(k, d){
    return rstr2b64(rstr_hmac_sha1(str2rstr_utf8(k), str2rstr_utf8(d)));
}

function any_hmac_sha1(k, d, e){
    return rstr2any(rstr_hmac_sha1(str2rstr_utf8(k), str2rstr_utf8(d)), e);
}

function sha1_vm_test(){
    return hex_sha1("abc").toLowerCase() == "a9993e364706816aba3e25717850c26c9cd0d89d";
}

function rstr_sha1(s){
    return binb2rstr(binb_sha1(rstr2binb(s), s.length * 8));
}

function rstr_hmac_sha1(key, data){
    var bkey = rstr2binb(key);
    if (bkey.length > 16) 
        bkey = binb_sha1(bkey, key.length * 8);
    var ipad = Array(16), opad = Array(16);
    for (var i = 0; i < 16; i++) {
        ipad[i] = bkey[i] ^ 0x36363636;
        opad[i] = bkey[i] ^ 0x5C5C5C5C;
    }
    var hash = binb_sha1(ipad.concat(rstr2binb(data)), 512 + data.length * 8);
    return binb2rstr(binb_sha1(opad.concat(hash), 512 + 160));
}

function rstr2hex(input){
    try {
        hexcase
    } 
    catch (e) {
        hexcase = 0;
    }
    var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
    var output = "";
    var x;
    for (var i = 0; i < input.length; i++) {
        x = input.charCodeAt(i);
        output += hex_tab.charAt((x >>> 4) & 0x0F) +
        hex_tab.charAt(x & 0x0F);
    }
    return output;
}

function rstr2b64(input){
    try {
        b64pad
    } 
    catch (e) {
        b64pad = '';
    }
    var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
    var output = "";
    var len = input.length;
    for (var i = 0; i < len; i += 3) {
        var triplet = (input.charCodeAt(i) << 16) | (i + 1 < len ? input.charCodeAt(i + 1) << 8 : 0) | (i + 2 < len ? input.charCodeAt(i + 2) : 0);
        for (var j = 0; j < 4; j++) {
            if (i * 8 + j * 6 > input.length * 8) 
                output += b64pad;
            else 
                output += tab.charAt((triplet >>> 6 * (3 - j)) & 0x3F);
        }
    }
    return output;
}

function rstr2any(input, encoding){
    var divisor = encoding.length;
    var remainders = Array();
    var i, q, x, quotient;
    var dividend = Array(Math.ceil(input.length / 2));
    for (i = 0; i < dividend.length; i++) {
        dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
    }
    while (dividend.length > 0) {
        quotient = Array();
        x = 0;
        for (i = 0; i < dividend.length; i++) {
            x = (x << 16) + dividend[i];
            q = Math.floor(x / divisor);
            x -= q * divisor;
            if (quotient.length > 0 || q > 0) 
                quotient[quotient.length] = q;
        }
        remainders[remainders.length] = x;
        dividend = quotient;
    }
    var output = "";
    for (i = remainders.length - 1; i >= 0; i--) 
        output += encoding.charAt(remainders[i]);
    var full_length = Math.ceil(input.length * 8 / (Math.log(encoding.length) / Math.log(2)))
    for (i = output.length; i < full_length; i++) 
        output = encoding[0] + output;
    return output;
}

function str2rstr_utf8(input){
    var output = "";
    var i = -1;
    var x, y;
    while (++i < input.length) {
        x = input.charCodeAt(i);
        y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;
        if (0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF) {
            x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);
            i++;
        }
        if (x <= 0x7F) 
            output += String.fromCharCode(x);
        else 
            if (x <= 0x7FF) 
                output += String.fromCharCode(0xC0 | ((x >>> 6) & 0x1F), 0x80 | (x & 0x3F));
            else 
                if (x <= 0xFFFF) 
                    output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F), 0x80 | ((x >>> 6) & 0x3F), 0x80 | (x & 0x3F));
                else 
                    if (x <= 0x1FFFFF) 
                        output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07), 0x80 | ((x >>> 12) & 0x3F), 0x80 | ((x >>> 6) & 0x3F), 0x80 | (x & 0x3F));
    }
    return output;
}

function str2rstr_utf16le(input){
    var output = "";
    for (var i = 0; i < input.length; i++) 
        output += String.fromCharCode(input.charCodeAt(i) & 0xFF, (input.charCodeAt(i) >>> 8) & 0xFF);
    return output;
}

function str2rstr_utf16be(input){
    var output = "";
    for (var i = 0; i < input.length; i++) 
        output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF, input.charCodeAt(i) & 0xFF);
    return output;
}

function rstr2binb(input){
    var output = Array(input.length >> 2);
    for (var i = 0; i < output.length; i++) 
        output[i] = 0;
    for (var i = 0; i < input.length * 8; i += 8) 
        output[i >> 5] |= (input.charCodeAt(i / 8) & 0xFF) << (24 - i % 32);
    return output;
}

function binb2rstr(input){
    var output = "";
    for (var i = 0; i < input.length * 32; i += 8) 
        output += String.fromCharCode((input[i >> 5] >>> (24 - i % 32)) & 0xFF);
    return output;
}

function binb_sha1(x, len){
    x[len >> 5] |= 0x80 << (24 - len % 32);
    x[((len + 64 >> 9) << 4) + 15] = len;
    var w = Array(80);
    var a = 1732584193;
    var b = -271733879;
    var c = -1732584194;
    var d = 271733878;
    var e = -1009589776;
    for (var i = 0; i < x.length; i += 16) {
        var olda = a;
        var oldb = b;
        var oldc = c;
        var oldd = d;
        var olde = e;
        for (var j = 0; j < 80; j++) {
            if (j < 16) 
                w[j] = x[i + j];
            else 
                w[j] = bit_rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1);
            var t = safe_add(safe_add(bit_rol(a, 5), sha1_ft(j, b, c, d)), safe_add(safe_add(e, w[j]), sha1_kt(j)));
            e = d;
            d = c;
            c = bit_rol(b, 30);
            b = a;
            a = t;
        }
        a = safe_add(a, olda);
        b = safe_add(b, oldb);
        c = safe_add(c, oldc);
        d = safe_add(d, oldd);
        e = safe_add(e, olde);
    }
    return Array(a, b, c, d, e);
}

function sha1_ft(t, b, c, d){
    if (t < 20) 
        return (b & c) | ((~ b) & d);
    if (t < 40) 
        return b ^ c ^ d;
    if (t < 60) 
        return (b & c) | (b & d) | (c & d);
    return b ^ c ^ d;
}

function sha1_kt(t){
    return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 : (t < 60) ? -1894007588 : -899497514;
}

function safe_add(x, y){
    var lsw = (x & 0xFFFF) + (y & 0xFFFF);
    var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
    return (msw << 16) | (lsw & 0xFFFF);
}

function bit_rol(num, cnt){
    return (num << cnt) | (num >>> (32 - cnt));
}

var Base64 = {
    _keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
    decode: function(input){
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;
        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
        while (i < input.length) {
            enc1 = this._keyStr.indexOf(input.charAt(i++));
            enc2 = this._keyStr.indexOf(input.charAt(i++));
            enc3 = this._keyStr.indexOf(input.charAt(i++));
            enc4 = this._keyStr.indexOf(input.charAt(i++));
            chr1 = (enc1 << 2) | (enc2 >> 4);
            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
            chr3 = ((enc3 & 3) << 6) | enc4;
            output = output + String.fromCharCode(chr1);
            if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
            }
            if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
            }
        }
        output = Base64._utf8_decode(output);
        return output;
    },
    _utf8_decode: function(utftext){
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;
        while (i < utftext.length) {
            c = utftext.charCodeAt(i);
            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            }
            else 
                if ((c > 191) && (c < 224)) {
                    c2 = utftext.charCodeAt(i + 1);
                    string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                    i += 2;
                }
                else {
                    c2 = utftext.charCodeAt(i + 1);
                    c3 = utftext.charCodeAt(i + 2);
                    string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                    i += 3;
                }
        }
        return string;
    }
}