function dateToArray(string){
    var s = string.split('-');
    return new Array(parseInt(s[0], 10), (parseInt(s[1], 10)), parseInt(s[2]));
}

function leadZero(n){
    return (parseInt(n, 10) < 10) ? "0" + n : n;
}

function futureDate(value){
    var d = new Date();
    d.setMilliseconds(d.getMilliseconds() + parseInt(value * 86400000, 10));
     return d.getFullYear() + '-' + leadZero(d.getMonth() + 1) + '-' + leadZero(d.getDate());
}

function calculateNights(ret_nights){
    var cin = dateToArray($('#cindate').val());
    var cinDate = new Date(cin[2], (cin[1] - 1), cin[0]);
    var cot = dateToArray($('#cotdate').val());
    var cotDate = new Date(cot[2], (cot[1] - 1), cot[0]);
    var dif = new Date();
    dif.setTime(cotDate.getTime() - cinDate.getTime());
    var nights = dif.getTime() / (86400 * 1000);
    if (ret_nights) {
        return nights;
    }
    else {
        return (nights >= 1 && nights <= 90) ? true : false;
    }
}

function processFlightsForm(){
    var re_code = new RegExp("\[[A-Z]{3}\]$");
    var re_date = new RegExp("^[0-9]{4}-[0-9]{2}-[0-9]{2}$", "i");
    var outdate = $('#outdate').val();
    var retdate = $('#retdate').val();
    var fc = $('#fromcity').val();
    var tc = $('#tocity').val();
    if (fc == '' || tc == '') {
        alert(txt_select_cities);
        return false;
    }
    else 
        if (re_date.test(outdate) == false || outdate == '') {
            alert(txt_select_outdate);
            return false;
        }
        else 
            if (re_date.test(retdate) == false || retdate == '') {
                alert(txt_select_retdate);
                return false;
            }
            else {
                if (re_code.test(fc) == true) {
                    $('#fromcity').val(fc.substr(parseInt(fc.length - 4), 3));
                }
                if (re_code.test(tc) == true) {
                    $('#tocity').val(tc.substr(parseInt(tc.length - 4), 3));
                }
                $('#qsfFlightsForm').submit();
            }
}

function processHotelsForm(){
    var re = new RegExp("^[0-9]{4}-[0-9]{2}-[0-9]{2}$", "i");
    var cindate = $('#cindate').val();
    var cotdate = $('#cotdate').val();
    if ($('#city').val() == '') {
        alert(txt_select_city);
        return false;
    }
    else 
        if (re.test(cindate) == false || cindate == '') {
            alert(txt_select_cindate);
            return false;
        }
        else 
            if (re.test(cotdate) == false || cotdate == '') {
                alert(txt_select_cotdate);
                return false;
            }
            else 
                if (!calculateNights()) {
                    alert(txt_calculate_nights);
                }
                else {
                    var cin = dateToArray(cindate);
                    $('input[name="cinday"]').val(cin[0]);
                    $('input[name="cinmonth"]').val(cin[1]);
                    $('input[name="cinyear"]').val(cin[2]);
                    var cot = dateToArray(cotdate);
                    $('input[name="cotday"]').val(cot[0]);
                    $('input[name="cotmonth"]').val(cot[1]);
                    $('input[name="cotyear"]').val(cot[2]);
                    $('#qsfHotelsForm').submit();
                }
}

function childrenControl(obj){
    var age = '';
    for (i = 2; i <= 12; i++) {
        age += '<option value="' + i + '">' + i + '</option>';
    }
    var n = obj.val();
    $('#h-select-age').remove();
    if (n > 0 && $('#id_children').is(':checked')) {
        $('#h-select-children').after($('<div></div>').attr('id', 'h-select-age').append($('<label></label>').text(txt_children)));
        for (i = 0; i < n; i++) {
            $('#h-select-age').append($('<select></select>').attr('name', 'children_age[0][]').html(age));
        }
    }
}

function formatItem(row){
    return "<strong>" + row[1] + "</strong><br /><span class=\"ac_country\">" + row[2] + "</span><span class=\"ac_code\" style=\"display:none;\">" + row[3] + "</span>";
}

function setCity(field, input_value, code){
    $('#' + field).val(input_value);
    if (code) { // <- Required by hotels QSF
        $('input[name="autoSelect"]').val('true');
        $('input[name="cityCode"]').val(code);
    }
    esky_cities_remove();
}