var jqueryMap = {
    $inputSearch : $('#search input'),
    $resultSearch : $('#search-result'),
    $contactAbsent : $('#contact-absent'),
    $loader : $('#circleG')
};
var idSearchTimeout = null, lockSearchRequest = false,
    searchRequest, page = 1, isLastPage =false;

var searchSubmit = function() {
    $.ajax({
        url: "/index/search",
        method: "POST",
        data: { q: searchRequest, p: page}
    }).done(function(resp) {
        if (resp ==='') isLastPage = true;
        if (page == 1) jqueryMap.$resultSearch.empty();
        jQuery('#search-result').append(resp);
        lockSearchRequest = false;
        jqueryMap.$loader.hide(0);
    });
};

jQuery('#search .input-group-field').on('input', function() {
    if (idSearchTimeout) {
        clearTimeout(idSearchTimeout);
    }
    idSearchTimeout = setTimeout(function() {
        searchRequest = jqueryMap.$inputSearch.val();
        if (searchRequest.replace(/[_%*]/g, "").length < 2 ) {
            jqueryMap.$resultSearch.empty();
            return;
        }
        page = 1;
        isLastPage =false;
        searchSubmit();
    }, 500);

});

$(window).scroll(function (event) {
    if ($(window).height() + $(window).scrollTop() >= $(document).height() - 75 && !lockSearchRequest) {
        lockSearchRequest = true;
        page++;
        if (!isLastPage) searchSubmit();
    }
});