var timeout,
    timeoutSec=10000,
    updateStart=false,
    timeoutSec=10000,
    timeoutSecServer=timeoutSec/1000*1.5,
    url_server='_server/update_server_ajax_edge.php',
    requestUserId=0,
    isFbModeTitle='false',
    isVisiblePage=true,
    users_list={},


    isVisibleMessages=false,
    last_id=0,
    lastNewMsgId=0,
    status_writing={},
    set_is_read_msg={},
    blink=[],
    isCityLoad,
    limitStart=0;

function updateServer(){
    if(!updateStart)return;

        /*var msg_read=JSON.stringify(set_is_read_msg),
            usersListOpenIm={};
            //userList=users_list;
        if (isOneChat=='one_chat') {
            msg_read=set_is_read_msg;
            //userList=JSON.stringify(users_list);
        }else if(isOneChat=='open_list_chats'){
            usersListOpenIm=JSON.stringify(users_list_open_im);
        }
        var data={
                cmd:'update_im',
                is_visible_messages:'true',
                users_list:JSON.stringify(users_list),
                users_list_open_im:usersListOpenIm,
                user_to:userTo,
                display:isOneChat,
                last_id:last_id,
                status_writing:status_writing,
                set_is_read_msg:msg_read,
                is_mode_fb:isFbModeTitle,
                timeout_server:timeoutSecServer,
                page:activePage,
                request_user_id:requestUserId,
                city_counter_street_chat: $('#narrow_street_chat_count').length,
                city_counter_games: $('#column_narrow_game_choose_count').length,
                city_counter: $('#narrow_city_count').length,
                hide_im_on_page_city:isSiteOptionActive('hide_im_on_page_city')*1
              };

        */

    var data={
        page:currentPage,
        request_user_id:requestUserId,
        user_current:clMessages.userTo,
        users_list:JSON.stringify(users_list),
        is_mode_fb:isFbModeTitle,
        is_visible_messages:clMessages.isVisible(),
        last_id:last_id,
        friends_notification:0,
        get_list_friends:clFriends.isGetListFriends(),
        status_writing:JSON.stringify(status_writing),
        get_read_msg_from_im:clMessages.getReadMsgFromIm(),
        location:0,
    };
    if (isLoadCity()) {
        data.location=city.idChangeLoc;
    }
    var $friendsNotification=$('.friends_notification_item:first');
    if ($friendsNotification[0]) {
        data.friends_notification=$friendsNotification.data('created');
    }
    $.post(url_server+'?cmd=update_im', data,
        function(res){
            var data=$.trim(checkDataAjax(res));
            if (data!==false) {
                var $data=$(data);
                clMessages.updateServer($data.filter('div.update_msg_im'));
                $data.filter('div.script').appendTo('#update_server');
            }
        }
    );

    clearTimeout(timeout);
    timeout=setTimeout('updateServer()', timeoutSec);
}

function initServer(){
    if(!ajax_login_status)return;
    updateStart=true;
    timeout=setTimeout('updateServer()', timeoutSec);
}

function isLoadCity(){
    return currentPage == 'city.php' && typeof city == 'object' && city.isSceneLoaded;
}

$(function(){
    if(isMobileSite)return;
    $.winFocus({
        blur: function(e) {
            if (ajax_login_status) {
                localStorage.setItem('is_fb_mode', 'true');
                isFbModeTitle = 'true';
                isVisiblePage = false;
                var data={cmd:'set_event_window'};
                if (isLoadCity()) {
                    data['location']=city.idChangeLoc;
                }
                $.post(url_server,data);
            }
        },
        focus: function(e) {
            if (ajax_login_status) {
                localStorage.setItem('is_fb_mode', 'false');
                isFbModeTitle = 'false';
                localStorage.removeItem('is_title');
                localStorage.setItem('is_title', 'true');
                document.title = siteTitle;
                isVisiblePage = true;
                if(clMessages.isVisible()){
                    $.post(url_server+'?cmd=read_msg',{user_current:clMessages.userTo,is_mode_fb:'false'});
                }
                if (isLoadCity() && city.mainChatPanel.is('.is_open')) {
                    city.setMessagesUserRead();
                }
            }
        }
    });
    $(window).on('storage', function(e) {
        var event = e.originalEvent;
        if (event.key === 'is_title') {
            $('title').text(siteTitle);
        } else if (event.key === 'is_fb_mode') {
            isFbModeTitle = event.newValue;
        } else if (event.key === 'title_site_counter') {
            $('title').text(event.newValue+' '+siteTitle);
        }
    });
});