/**
 * Ajaxy - An Ajax-integration solution
 * (c) Copyright James Padolsey
 * For sale on ThemeForest.net
 */


// Delete this line in production code:
if ( !window.jQuery ) { alert("jQuery is required for Ajaxy to run."); throw new Error("Ajaxy requires jQuery!"); }

jQuery.ajaxy = (function(){
    var settings = {
    
            /*** SETTINGS ***/
            
            /* See documentation file, it will tell you how to configure Ajaxy */
	    domainBase: 'http://www.wvpe.com',
            base: '',
            homepage: 'index.php',
            anchorFilter: function() {
                // Add mailto to keep from redirecting mailto links. Jeremy Barngrover (3/23/2010)
                return !/.(pdf|jpe?g|gif|png|bmp|tif|txt|mp3|wmv|wma)$|(mailto)/.test(this.href);
            },
            update: ['#container','title', '#session_data'],
            
            updateHandler: {
                '#container': function(newContent) {
//                '#content': function(newContent) {
                    jQuery(this).animate({
                        height: "hide",
                        opacity: 0
                    }, function(){
                        jQuery(this).html(newContent).animate({
                            height: "show",
                            opacity: 1
                        });
			log(jQuery('#container .script')+jQuery('#container .script').size());
			jQuery.each(jQuery('#container .script'), function() { eval(this.innerHTML); } );
                    });
                }
            },
            
            initialStyles: "h1{visibility:hidden;} #content{height:0;opacity:0;overflow:hidden;}",
            
            loader: {
                
                css: {
                    position: 'relative',
                    background: '#FFF url(media/images/loader2.gif) no-repeat center',
                    MozBorderRadius: 4,
                    WebkitBorderRadius: 4,
                    padding: '5px',
                    fontSize: '.8em',
                    opacity: 0,
                    top: jQuery('#header').offset().top,
                    left: -12,
                    height: 16,
                    width: 16
                },
                html: "",
                attr: {},
                init: function(loader){
                    loader.appendTo('#header');
                    jQuery(document).ready(function(){
                        loader.css({
                            top: jQuery('#header').position().top + 88
                        });
                    });
                },
                show: function(loader, href){
                    
                    loader.stop(true).animate({
                        opacity: 1
                    });
                    
                },
                hide: function(loader){
                    
                    loader.animate({
                        opacity: 0
                    });
                    
                }
                
            },
            
            errorHandler: function( XHR ) {
                if (XHR.status === 404) {
                    //$('#content').html('<p><strong>404 Page Not Found</strong></p>');
		    jQuery.ajaxy.load("404.php");
                    settings.loader.hide( ajaxy.loader );
                }
            },
            
            autoInit: true,
            cache: false
            
            /*** END SETTINGS ***/
            
        },
        
        
        
        /**********************************
         *** DON'T TOUCH ANYTHING BELOW ***
         **********************************/
        
        run = false,
        
        HEAD = jQuery('head')[0],
        BODY = document.body,
        
        util = {
            isExternal: function(url) {
                return !RegExp('^' + location.href.match(/.+?\/(?=[^\/])/)[0] + location.hostname).test(url);
            },
            hash: {
                bind: function(newHashFn) {
                    //jQuery.historyInit( newHashFn );
			jQuery.history.init(newHashFn);
                },
                load: function(h){
                    return jQuery.history.load(h);
                }
            }
        };
        
    function log(a) {
        arguments[0] = '[AJAXY] ' + a;
        return window.console && console.log && console.log.apply( console, arguments );
    }

    /** Ajaxy **/
    
    function load(href) {
        log("Load called: ", href);
        
        if (ajaxy.requestInProgress) {
            return;
        }
        
        /* Prepare loader */
        
        if (!ajaxy.loader) {
            ajaxy.loader = jQuery('<div/>');
            ajaxy.loader
                .css(settings.loader.css)
                .html(settings.loader.html)
                .attr(settings.loader.attr)
                .appendTo(BODY);
            settings.loader.init(ajaxy.loader);
        }
        
        settings.loader.show( ajaxy.loader, href );
        
        ajaxy.requestInProgress = true;
        
        var requestPath = /\//.test(href) ? href.replace(/\/[^\/]+$/, '/') : '';
        
        // Deal with absolute URLs
        href = href.replace( window.location.href.replace(/(:\/\/.+?\/).+/, '$1') + settings.base, '' );

        // Deal with based-relative URLs
        href = href.replace( settings.base, '' );
    
        jQuery.ajax({
        
            url: href,
            cache: settings.cache,
            type: 'GET',
        
            complete: function(response, status) {
                
                log("XHR: " + status);
            
                if ( status !== "success" && status !== "notmodified" ) {
                    return;
                }
                
                ajaxy.requestInProgress = false;
                
                var responseText = response.responseText
                                    .replace(/<!DOCTYPE.+?>/,'')
                                    .replace(/<(\/?)(body|head|html|title)(?=.*?>)/g, '<$1ajaxy$2')
                                    .replace(/<script(.|\s)*?\/script>/g, "")
                                    .replace(/((?:href|src|action)\s*=\s*)('|")((?:\S|\\\2)+?)(\2|\s)/g,
                                        // Correct relative URLs, by prepending the current path.
                                        // mailto added to allow contact page mailto links. Jeremy Barngrover (3/23/2010)
                                        function($0,$1,$2,URL,$4){
                                            if ( !/^https?:\/\/|^\/|(mailto:)/.test(URL) ) {
                                                return $1 + $2 + requestPath + URL + $4;
                                            }
                                            return $0;
                                        }
                                    ),
                    specialHTML = (function(){
                    
                        var elMatches = responseText.match(/<ajaxy(body|head|html).*?>/ig), 
                            out = {};
                            
                        if (elMatches) {
                            jQuery.each(elMatches, function(i, match){
                                out[match.match(/<(.+?)(>|\s)/)[1].toLowerCase()] = match.replace(/^<ajaxy/g,'<');
                            });
                        }
                        
                        return out;
                        
                    })(),
                    
                    domResponse = $('<div/>').append(responseText);

                domResponse.children().each(function(){
                    if ( /^(meta|style|link)$/i.test(this.nodeName) ) {
                        jQuery(this).appendTo(HEAD);
                    }
                    if ( /^(script)$/i.test(this.nodeName) ) {
                        jQuery(this).remove();
                    }
                });
                
                settings.update = jQuery(
                    settings.update[0].nodeName || (settings.update instanceof jQuery) || jQuery.isArray(settings.update) ? settings.update : [settings.update]
                );
                
                settings.update.each(function(i, item){
                    
                    log("Updating item: ", item);
                
                    var $item = jQuery(item),
                        clone = $item.clone(true),
                        
                        selector = $item.selector.replace(/(^|\s)(body|html|head)$/, '$1ajaxy$2');
                    
                    if ( selector === 'title' ) {
                        // De-entitify title, before setting
                        document.title = jQuery('<div/>').append((responseText.match(/<ajaxytitle>(.+?)<\/ajaxytitle>/i)||['',''])[1]).text();
                        return true;
                    }
                    
                    $item.each(function(i){
                    
                        var replacement = domResponse.find(selector).eq(i);

                        if (!replacement[0]) {return true;}
                        
                        if ( /^ajaxy/i.test(replacement[0].nodeName) ) {
                            replacement = jQuery(specialHTML[replacement[0].nodeName.toLowerCase()]).append(replacement[0].childNodes);
                        }

                        if (settings.updateHandler && settings.updateHandler[selector]) {
                            settings.updateHandler[selector].call( this, replacement.html(), replacement );
                        } else {
                            jQuery(this).replaceWith( replacement );
                        }
                        
                    });
                    
                    return true;
                    
                });
                
                settings.loader.hide( ajaxy.loader, href );
                
                // Hide initialHidden elems
                if (ajaxy.headStyle) {
                    ajaxy.headStyle.remove();
                }
                
            },
            error: function() {
                ajaxy.requestInProgress = false;
                if (ajaxy.headStyle) {
                    ajaxy.headStyle.remove();
                }
                return settings.errorHandler.apply(this, arguments);
            }
        });
        
    }
    
    function redirectToHomePage() {
        var loc = window.location;
        /* Users landing on a.html will be redirected to
         * homepage.html#a.html ... */
        var fullPath = settings.base + settings.homepage;
        //  added code to look for #tag so redirects stop. Allows static bookmarking. Jeremy Barngrover (3/23/2010)
        if (loc.pathname !== fullPath && loc.pathname.indexOf(settings.base) === 0 && !(loc.hash)) {
            var curPage = loc.pathname.replace(settings.base, '');
            if (curPage) {
                window.location = settings.base + settings.homepage + '#' + curPage;
            }
        }
    }
    
    function ajaxy(ops) {

        if (!run){
            redirectToHomePage();
        }
        
        if (settings.initialStyles && window.location.hash) {
            ajaxy.headStyle = ajaxy.headStyle || jQuery('<style type="text/css">' + settings.initialStyles + '</style>').appendTo('head');
        }
        
        /* Wait for body to be ready */
        if (!document.body) {
            var interval = setInterval(function(){
                if (document.body) {
                    BODY = document.body;
                    clearInterval(interval);
                    ajaxy(ops);
                }
            }, 20);
            return;
        }
        
        if (run) {
            return;
        } else {
            run = true;
        }
        
        util.hash.bind(load, settings.base);
        
        jQuery.extend( settings, ops );
        
        jQuery('a').live('click', function(e){
            
            var href = this.href,
                matches = jQuery.isFunction(settings.anchorFilter) ? settings.anchorFilter.call(this) : jQuery(this).is(settings.anchorFilter);

	    var url = this.href.replace(jQuery.ajaxy.settings.domainBase,"");

            if ( !util.isExternal(href) && matches && e.button === 0 ) {

                log("Matching anchor clicked: ", url);
		jQuery('html,body').animate({scrollTop:0},'fast');
		//jQuery('#content').css({backgroundColor:'#213e66'}).animate({opacity:0},'fast');
//                log("Matching anchor clicked: ", this.pathname);
            
               e.preventDefault();
                util.hash.load(
		    url
/*                  this.pathname
                        .replace(/^[^\/]/, '/$&')
                        .replace(settings.base, '')
  */              );
                
                return false;
                
            }
            
        });
        
    }
    
    if (settings.autoInit) {
        jQuery(document).ready(function() { ajaxy(); });
    }
    
    ajaxy.load = load;
    ajaxy.settings = settings;
    
    return ajaxy;
    
})();