/**************
 * Flie Name : Search.estValidation.js
 * Description :
 *
 * Date of Creation : 9- June -2004
 *
 * *****************************/


// added Nirasha

//var ipAndPortForFlights = document.Search.FlightPageIpAndPort.value ;   // ex: http://192.168.0.32:9009


var currentDate = new Date();

//function for returning how many days there are in a month including leap years
function DaysInMonth( Month, Year )
{
    var DaysInMonth = 31;
    var WhichMonth = parseInt(Month);
    if( WhichMonth == 4 || WhichMonth == 6 || WhichMonth == 9 || WhichMonth == 11 ) DaysInMonth = 30;
    if( WhichMonth == 2 && ( Year / 4) != Math.floor(Year / 4) )    DaysInMonth = 28;
    if( WhichMonth == 2 && ( Year / 4) == Math.floor(Year / 4) )    DaysInMonth = 29;
    return DaysInMonth;
}

function setOneWay()
{
    var cal2;
    cal2 = document.getElementById('cal2');
    cal2.setAttribute("readOnly", "true");
    cal2.style.backgroundColor = 'eeeeee';
}

function setReturn()
{
    var cal2;
    cal2 = document.getElementById('cal2');
    cal2.removeAttribute("readOnly", "false");
    cal2.style.backgroundColor = 'ffffff';
}

function trim( s )
{
    return rtrim(ltrim(s));
}

function ltrim( s )
{
    var l = 0;
    while( l < s.length && s[l] == ' ' )
    {
        l++;
    }
    return s.substring(l, s.length);
}

function rtrim( s )
{
    var r = s.length - 1;
    while( r > 0 && s[r] == ' ' )
    {
        r -= 1;
    }
    return s.substring(0, r + 1);
}


function checkCityCodeEmptyness()
{
    var userSelectedDepCity = trim(document.Search.src1.value) ;
    var userSelectedDesCity = trim(document.Search.des1.value) ;

    //alert("userSelectedDepCity = " + userSelectedDepCity);

    if( userSelectedDepCity != "" && userSelectedDesCity != "" && userSelectedDepCity.length > 2 && userSelectedDesCity.length > 2 )
    {
        return true;
    }
    else
    {
        alert("Please enter at least 3 characters for a city.");
        return false;
    }
}

function formsubmit()
{
    var canSubmit = false;

    //alert("ipAndPortForFlights  ::  " + document.Search.FlightPageIpAndPort.value);


    if( checkEndMonth() && checkInfantsNo() && checkTotalPassengers() && checkCityCodeEmptyness() ) // checkCityCodeEmptyness() &&
    {

        if( document.Search.ORM[0].checked == true )
        {
            document.Search.Flight2_Date.value = "";
            document.Search.src2.value = "";
            document.Search.des2.value = "";
            canSubmit = checkDateFormat(document.Search.Flight1_Date);

            //alert(" if --> ipAndPortForFlights  ::  " + document.Search.FlightPageIpAndPort.value);
            document.Search.action = document.Search.FlightPageIpAndPort.value + "/ValidationInputOneRet.php";
        }
        else if( document.Search.ORM[1].checked == true )
        {
            document.Search.src2.value = document.Search.des1.value;
            document.Search.des2.value = document.Search.src1.value;

            canSubmit = checkDateFormat(document.Search.Flight1_Date) && checkDateFormat(document.Search.Flight2_Date) && compareDatesFlight(document.Search.Flight1_Date.value, document.Search.Flight2_Date.value);


            //alert("else --> ipAndPortForFlights  ::  " + document.Search.FlightPageIpAndPort.value + "/ValidationInputOneRet.php");
            document.Search.action = document.Search.FlightPageIpAndPort.value + "/ValidationInputOneRet.php";
            //alert("document.Search.action  ::  " + document.Search.action);
        }

        else
        {
            if( document.Search.src1.value !== "" || document.Search.des1.value != "" )
            {
                canSubmit = checkDateFormat(document.Search.Flight1_Date);
                if( document.Search.src2.value != "" || document.Search.des2.value != "" )
                {
                    canSubmit = canSubmit && checkDateFormat(document.Search.Flight1_Date) && checkDateFormat(document.Search.Flight2_Date) && compareDatesFlight(document.Search.Flight1_Date.value, document.Search.Flight2_Date.value);

                    if( document.Search.src3.value != "" || document.Search.des3.value != "" )
                    {
                        canSubmit = canSubmit && checkDateFormat(document.Search.Flight3_Date) && compareDatesFlight(document.Search.Flight2_Date.value, document.Search.Flight3_Date.value);

                        if( document.Search.src4.value != "" || document.Search.des4.value != "" )
                        {
                            canSubmit = canSubmit && checkDateFormat(document.Search.Flight4_Date) && compareDatesFlight(document.Search.Flight3_Date.value, document.Search.Flight4_Date.value);
                        }
                    }
                }
            }


            document.Search.action = document.Search.FlightPageIpAndPort.value + "/ValidationInput.php";
        }


        if( canSubmit )
        {
            if( validateFlight1Date(document.Search.Flight1_Date.value) )
            {
                document.Search.submit();
            }
            else
            {
                //do nothing
                //return false;
            }

        }
        else
        {
            alert("Check Dates.");

        }

    }

    //return false;
}
function setFlightType()
{
    var orm;
    orm = getQueryVariable("ORM");
    if( orm == "O" )
    {
        //	alert("Oneway");
        document.Search.ORM[0].checked = true;
        document.Search.ORM[1].checked = false;
        //document.Search.ORM[2].checked = false;
        setOneWay();
    }
    else if( orm == "R" )
    {
        //	alert("Return");
        document.Search.ORM[0].checked = false;
        document.Search.ORM[1].checked = true;
        //document.Search.ORM[2].checked = false;
        setReturn();
    }
    else
    {
        document.Search.ORM[0].checked = false;
        document.Search.ORM[1].checked = true;
        //document.Search.ORM[2].checked = false;
        setReturn();
    }

}

function getQueryVariable( variable )
{
    //alert(variable);
    var query = window.location.search.substring(1);
    var vars = query.split("&");
    for( var i = 0; i < vars.length; i++ )
    {
        var pair = vars[i].split("=");
        if( pair[0] == variable )
        {
            //alert (pair[1]);
            return pair[1];

        }
        else
        {
            return 'R';
        }
    }
}

function validateFlight1Date( day )
{
    var year, month, date;
    var t = day.split("/");
    date = t[0];
    month = t[1];
    year = t[2];
    var depDate = new Date(year, month - 1, date);

    var today = new Date();

    var bottomDateTemp = new Date((today.getUTCMonth() + 1) + "/" + today.getUTCDate() + "/" + today.getUTCFullYear());
    var threshold1 = bottomDateTemp.getTime() + (2*24*3600*1000);
    bottomDateTemp.setTime(threshold1);
    var bottomDate = new Date((bottomDateTemp.getUTCMonth() + 1) + "/" + bottomDateTemp.getUTCDate() + "/" + bottomDateTemp.getUTCFullYear())

    var futureTemp = new Date((today.getUTCMonth() + 1) + "/" + today.getUTCDate() + "/" + today.getUTCFullYear());
    var threshold2 = futureTemp.getTime() + (330*24*3600*1000);
    futureTemp.setTime(threshold2);
    var future = new Date((futureTemp.getUTCMonth() + 1) + "/" + futureTemp.getUTCDate() + "/" + futureTemp.getUTCFullYear());

//    alert("depDate = " + depDate);
//    alert("future = " + future);

    if( depDate.getTime() > bottomDate.getTime() )
    {
        if( depDate.getTime() < future.getTime() )
        {
            return true;
        }
        else
        {
            alert("Departure date should be less than an year ahead from the current date 123456.");
            return false;
        }
    }
    else
    {
        alert("Departure date should be at least more than 2 days ahead from the current date.");
        return false;
    }
}


function setRetDate()
{
    var selectedDepDate = new Date(document.Search.departureMonth.value + "/" + document.Search.departureDate.value + "/" + document.Search.departureYear.value);
    selectedDepDate.setDate(selectedDepDate.getDate() + 7);
    document.Search.returnDate.options[ selectedDepDate.getDate() - 1 ].selected = true;
    document.Search.returnMonth.options[ selectedDepDate.getMonth() ].selected = true;
}

function setRetMonth()
{
    document.Search.returnMonth.value = document.Search.departureMonth.value;
}

function validateFlight2Date( day )
{
    var F2Year, F2Month, F2Date;
    var F2t = day.split("/");
    F2Date = F2t[0];
    F2Month = F2t[1];
    F2Year = F2t[2];

    var F1t;
    var F1Date, F1Month, F1Year;

    F1t = document.Search.Flight1_Date.value.split("/");
    F1Date = F1t[0];
    F1Month = F1t[1];
    F1Year = F1t[2];

    var DaysForSelectedMonth = DaysInMonth(F2Month, F2Year);

    if( DaysForSelectedMonth >= F2Date )
    {
        depDate = new Date(F1Year + "/" + F1Month + "/" + F1Date);
        retDate = new Date(F2Year + "/" + F2Month + "/" + F2Date);

        if( retDate > depDate )
        {
            //alert("ret date is greater than dep date");
            return true;
        }
        else
        {
            alert("Invalid Return Date");
            return false;
        }

    }
    else
    {
        alert("Invalid Return Date");
        return false;
    }

}

function validateUserRequest()
{

    if( document.Search.ORM[0].checked )
    {

        if( validateFlight1Date(document.Search.Flight1_Date.value) && checkInfantsNo() && checkTotalPassengers() )
        {
            document.Search.action = document.Search.FlightPageIpAndPort.value + "/SearchingFlightsAnimation.php";
            document.Search.submit();
        }
    }
    else if( document.Search.ORM[1].checked )
    {
        if( validateFlight1Date(document.Search.Flight1_Date.value) && validateFlight2Date(document.Search.Flight2_Date.value) && checkInfantsNo() && checkTotalPassengers() )
        {
            document.Search.action = document.Search.FlightPageIpAndPort.value + "/SearchingFlightsAnimation.php";
            document.Search.submit();
        }
    }

}

function validateMulticenterReq()
{

    var noOfFlights
    if( document.Search.Flight1_Date.value == 'dd/mm/yy' || document.Search.Flight1_Date.value == '' || document.Search.Flight1_Date.value == null )
    {
        noOfFlights = 0;
    }
    else if( document.Search.Flight2_Date.value == 'dd/mm/yy' || document.Search.Flight2_Date.value == '' || document.Search.Flight2_Date.value == null )
    {
        noOfFlights = 1;
    }
    else if( document.Search.Flight3_Date.value == 'dd/mm/yy' || document.Search.Flight3_Date.value == '' || document.Search.Flight3_Date.value == null )
    {
        noOfFlights = 2;
    }
    else if( document.Search.Flight4_Date.value == 'dd/mm/yy' || document.Search.Flight4_Date.value == '' || document.Search.Flight4_Date.value == null )
    {
        noOfFlights = 3;
    }
    else
    {
        noOfFlights = 4;
    }

    alert("No of Flights = " + noOfFlights);

    if( noOfFlights == 0 )
    {
        alert("Select Flight1 departure date");
        document.Search.Flight1_Date.focus();
    }
    else if( noOfFlights == 1 )
    {
        alert("Select at least two flights.");
        document.Search.Flight2_Date.focus();
    }
    else if( noOfFlights == 2 )
    {
        if( validateFlight1Date(document.Search.Flight1_Date.value) && validateFlight2Date(document.Search.Flight2_Date.value) && checkInfantsNo() && checkTotalPassengers() )
        {
            document.Search.action = document.Search.FlightPageIpAndPort.value + "/SearchingFlightsAnimation.php";
            document.Search.submit();
        }
    }

}


function checkInfantsNo()
{
    if( parseInt(document.Search.Infants.options[ document.Search.Infants.selectedIndex ].value) > parseInt(document.Search.Adults.options[ document.Search.Adults.selectedIndex ].value) )
    {
        alert("You can not travel with more infants than adults .");
        document.Search.Infants.options[0].selected = true;
        return false;
    }
    else
        return true;
}

function checkTotalPassengers()
{
    if( parseInt(document.Search.Adults.options[ document.Search.Adults.selectedIndex ].value) + parseInt(document.Search.Children.options[ document.Search.Children.selectedIndex ].value) > 9 )
    {
        alert("You can not select total number of passengers more than 9 per journey excluding Infants .");
        return false;
    }
    else
        return true;
}


/*********************************************
 * Description : this functionality will chage
 *               entered code into upper case.
 *
 ********************************************/
/*
    function changeCase()
    {
        var code = document.Search.DestPortCode.value;
        document.Search.DestPortCode.value = code.toUpperCase();

        setDestinationPort( document.Search.DestPortCode.value );
    }
 */

function setPreviousDataValues( cal1Date, cal2Date, adt, chd, inf, airline, bookingClass, orm )
{
    var F1_date = "";
    var F2_date = "";
    //var F3_Date;
    //var F4_Date;

    F1_date = cal1Date;
    F2_date = cal2Date;
    //F1_date = document.Search.Flight1_Date.value;
    //F2_date = document.Search.Flight2_Date.value;
    //F3_Date = document.Search.Flight3_Date.value;
    //F4_Date = document.Search.Flight4_Date.value;
    var noOfClasses = document.Search.Class.length;

    for( var j = 0; noOfClasses > j; j++ )
    {
        if( document.Search.Class.options[j].value == bookingClass )
            document.Search.Class.options[j].selected = true;

    }
    //var noOfAirlines = document.Search.AirlineSelect.length;
    //for ( var j=0; noOfAirlines >j; j++ )
    //{
    //	if( document.Search.AirlineSelect.options[j].value == airline )
    //		document.Search.AirlineSelect.options[j].selected = true;

    //}


    document.Search.Adults.options[ parseInt(adt) - 1 ].selected = true;

    if( parseInt(chd) > 0 )
        document.Search.Children.options[ parseInt(chd)].selected = true;
    if( parseInt(inf) > 0 )
        document.Search.Infants.options[ parseInt(inf)].selected = true;


    if( orm == 'O' )
    {
        document.Search.ORM[0].checked = true;
        document.Search.ORM[1].checked = false;
        //document.Search.ORM[2].checked = false;
        document.Search.F1dd.value = F1_date.split("/")[0];
        document.Search.F1mm.value = F1_date.split("/")[1];
        document.Search.F1yy.value = F1_date.split("/")[2];
        document.Search.F1mmyy.value = F1_date.split("/")[1] + "/" + F1_date.split("/")[2];
        document.Search.F2dd.value = F1_date.split("/")[0];
        document.Search.F2mm.value = F1_date.split("/")[1];
        document.Search.F2yy.value = F1_date.split("/")[2];
        document.Search.F2mmyy.value = F1_date.split("/")[1] + "/" + F1_date.split("/")[2];
        document.Search.Flight1_Date.value = F1_date.split("/")[0] + "/" + F1_date.split("/")[1] + "/" + F1_date.split("/")[2];
        document.Search.Flight2_Date.value = F1_date.split("/")[0] + "/" + F1_date.split("/")[1] + "/" + F1_date.split("/")[2];
        document.Search.userSelectedMonth.value = F1_date.split("/")[1];
        document.Search.userSelectedYear.value = F1_date.split("/")[2];
        //document.Search.F1dd.disable = true;
        //document.Search.F1mm.disable = true;
        //document.Search.F1yy.disable = true;
        setOneWay();

    }
    else if( orm == 'R' )
    {
        document.Search.ORM[0].checked = false;
        document.Search.ORM[1].checked = true;
        //document.Search.ORM[2].checked = false;
        document.Search.F1dd.value = F1_date.split("/")[0];
        document.Search.F1mm.value = F1_date.split("/")[1];
        document.Search.F1yy.value = F1_date.split("/")[2];
        document.Search.F1mmyy.value = F1_date.split("/")[1] + "/" + F1_date.split("/")[2];
        document.Search.F2dd.value = F2_date.split("/")[0];
        document.Search.F2mm.value = F2_date.split("/")[1];
        document.Search.F2yy.value = F2_date.split("/")[2];
        document.Search.F2mmyy.value = F2_date.split("/")[1] + "/" + F2_date.split("/")[2];
        document.Search.Flight1_Date.value = F1_date.split("/")[0] + "/" + F1_date.split("/")[1] + "/" + F1_date.split("/")[2];
        document.Search.Flight2_Date.value = F2_date.split("/")[0] + "/" + F2_date.split("/")[1] + "/" + F2_date.split("/")[2];
        document.Search.userSelectedMonth.value = F1_date.split("/")[1];
        document.Search.userSelectedYear.value = F1_date.split("/")[2];
        setReturn();
    }


}

function ammendDFlight()
{
    var canSubmit = false;
    if( document.Search.src1.value !== "" )
    {
        canSubmit = checkDateFormat(Search.Flight1_Date);
        if( document.Search.src2.value != "" )
        {
            canSubmit = canSubmit && checkDateFormat(Search.Flight1_Date) && checkDateFormat(Search.Flight2_Date) && compareDatesFlight(Search.Flight1_Date.value, Search.Flight2_Date.value);

            if( document.Search.src3.value != "" )
            {
                canSubmit = canSubmit && checkDateFormat(Search.Flight3_Date) && compareDatesFlight(Search.Flight2_Date.value, Search.Flight3_Date.value);

                if( document.Search.src4.value != "" )
                {
                    canSubmit = canSubmit && checkDateFormat(Search.Flight4_Date) && compareDatesFlight(Search.Flight3_Date.value, Search.Flight4_Date.value);
                }
            }
        }
    }

    document.Search.action = document.Search.FlightPageIpAndPort.value + "/AmmendFlights.php";
    if( canSubmit )
    {
        if( validateFlight1Date(document.Search.Flight1_Date.value) )
        {
            document.Search.submit();
        }
        else
        {
            // do nothing
        }
    }
    else
    {
        alert("Check Dates.");
    }
}