var isSendingAjax = false;

jQuery(document).ready(function($){
    $('body').off('click', '.ajax');
    $('body').on('click', '.ajax', function(e){
        e.preventDefault();
        sendAjax($(this));
    });

    $('body').off('submit', '.ajax-form');
    $('body').on('submit', '.ajax-form', function(e){
        e.preventDefault();
        sendAjax($(this));
    });

    $('body').off('click', '.submit-form');
    $('body').on('click', '.submit-form', function(e){
        e.preventDefault();
        $(this).parents('form').submit();
    });

    $('body').off('click', '.redirect');
    $('body').on('click', '.redirect', function(e){
        e.preventDefault();
        var url = '',
            blank = $(this).attr('data-blank');

        if(typeof $(this).data('url') != 'undefined') {
            url = $(this).data('url');
        } else if(typeof $(this).attr('href') != 'undefined') {
            url = $(this).attr('href');
        }

        if(e.metaKey || e.ctrlKey ) {
            blank = 1;
        }

        if(url.length > 0) {
            if(blank == 1) {
                window.open(url);
            } else {
                window.location.href = url;
            }
        }
    });
});

function sendAjax(element)
{
    if(!isSendingAjax) {
        isSendingAjax = true;
    } else {
        return false;
    }

    if(typeof $(element).attr('data-loader') == 'undefined') {
        showAjaxLoader();
    }

    var url = element.attr('href'),
        method = 'POST',
        form = false,
        data = {
            ajax: 1
        };
    if(element.is(":submit")) {
        form = element.parents('form');
    } else if(element.is("form")) {
        form = element;
    }

    if(form) {
        url = form.attr('action');
        data = form.serialize()+'&ajax=1';
        if(typeof form.attr('method') != 'undefined') {
            method = form.attr('method');
        }
    }

    if(url.length > 0 && url != '#') {
        $.ajax({
            url: url,
            data: data,
            type: method,
            complete: function(data) {
                if(typeof element.data('render-url') != 'undefined') {
                    $.ajax({
                        url: element.data('render-url'),
                        complete: function(data) {
                            renderSnippet(data, element);
                        }
                    });
                } else {
                    renderSnippet(data, element);
                }
            },
            error: reloadPage
        });
    } else {
        reloadPage();
    }
}

function renderSnippet(data, element) {
    var snippet_content_position = $("#snippet-content").scrollTop(),
        snippet_sidebar_position = $("#snippet-sidebar").scrollTop(),
        snippets = false,
        html = false;

    try{
        var response = $.parseJSON(data.responseText);

        html = response.data.html;
        snippets = response.data.invalidSnippet;

        if(typeof snippets == 'undefined' && typeof $(element).data('invalid-snippet') != 'undefined') {
            snippets = $(element).data('invalid-snippet').split('|');
        }

        if(typeof snippets == 'undefined' || !snippets) {
            snippets = "content";
        }
    } catch(e) {
        html = data.responseText;
        if(typeof $(element).data('invalid-snippet') != 'undefined') {
            snippets = $(element).data('invalid-snippet').split('|');
        }
    }

    if(typeof snippets == 'string') {
        var snippet = "#snippet-"+snippets;
        $(snippet).replaceWith($(snippet, html));
    } else if(typeof snippets == 'array' || typeof snippets == 'object') {
        $.each(snippets, function(index, snippet_name){
            var snippet = "#snippet-"+snippet_name;
            $(snippet).replaceWith($(snippet, html));
        });
    }

    $("body").trigger("initAfterLoad");
    $("body").trigger("afterSnippet");

    if(typeof $(element).data('close-modal') != "undefined") {
        $($(element).data('close-modal')).modal('hide');
    } else {
        $('body').removeClass('modal-open');
    }

    $('.email-content a').attr('target', '_blank');

    $("#snippet-content").scrollTop(snippet_content_position);
    $("#snippet-sidebar").scrollTop(snippet_sidebar_position);

    isSendingAjax = false;
    hideAjaxLoader();
}

function reloadSocialShare() {
    FB.XFBML.parse();
    twttr.ready(function() {
        twttr.widgets.load();
    });
    IN.parse(document.body);
}

// SNIPPET
function reloadPage(snippet, url) {
    showAjaxLoader();
    if(url == null) {
        url = document.URL;
    }

    if(snippet == null) {
        location.href = url;
    } else {
        $.ajax({
            url: url,
            success: function(answer) {
                replaceSnippet(snippet, answer);
            },
            complete: function() {
                hideAjaxLoader();
            }
        });
    }
}

function replaceSnippet(snippet, html) {
    if(typeof snippet == 'object') {
        $.each(snippet, function(k, snippet_name) {
            $(snippet_name).replaceWith($(snippet_name, html));
        });
    } else {
        $(snippet).replaceWith($(snippet, html));
    }
}

/**
 * Function rebuilds content snippet after ajax call
 *
 * @param element element holds info about invalid snippet for example
 * @param url
 */
function reloadContent(element, url, hideAjax) {
	if ( typeof url == 'undefined' ) {
    url = $(location).attr('href');
  }

	if(!isSendingAjax) {
        if(typeof hideAjax == 'undefined' || hideAjax) {
            showAjaxLoader();
        }

		$.ajax({
			url: url,
			type: 'POST',
			data: { ajax: 1 },
			complete: function(data){
				renderSnippet(data, element);
				hideAjaxLoader();
			}
		});
	}
}

// SNIPPET END