# ---------------------------------------------------------------------
# Get the current date and time in epoch seconds.
# ---------------------------------------------------------------------
sub get_date
{
my $cfg{time_offset} = shift;
        return time + 3600 * $cfg{time_offset};
}

##</code><code>##

# ---------------------------------------------------------------------
# Format date output.
# ---------------------------------------------------------------------
sub format_date
{
        my $date = shift || &get_date;
        my $type = shift || 1;

        # Get user profile.
        my $query     = new CGI;
        my %user_data = authenticate();

        # Get selected date format.
        my $sel_date_format =
            (exists $user_data{date_format})
            ? $user_data{date_format}
            : $cfg{date_format};
        $sel_date_format = ($type || $type ne '') ? $type : $cfg{date_format};
        $date            = ($date || $date ne '') ? $date : get_date();

        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) =
            localtime($date + 3600 * $cfg{time_offset});
        my ($formatted_date, $cmon, $cday, $syear);

        $year += 1900;

        $cmon  = $mon + 1;
        $syear = sprintf("%02d", $year % 100);

        if ($hour < 10) { $hour = 0 . $hour; }
        if ($min < 10)  { $min  = 0 . $min; }
        if ($sec < 10)  { $sec  = 0 . $sec; }

        if ($cmon < 10) { $cmon = 0 . $cmon; }
        $cday = ($mday < 10) ? 0 . $mday : $mday;

        # Format: 01/15/00, 15:15:30
        if (!$sel_date_format || $sel_date_format == 0)
        {
                $formatted_date = "$cmon/$cday/$syear, $hour:$min:$sec";
        }

        # Format: 15.01.00, 15:15:30
        if ($sel_date_format == 1)
        {
                $formatted_date = "$cday.$cmon.$syear, $hour:$min:$sec";
        }

        # Format: 15.01.2000, 15:15:30
        if ($sel_date_format == 2)
        {
                $formatted_date = "$cday.$cmon.$year, $hour:$min:$sec";
        }

        # Format: Jan 15th, 2000, 3:15pm
        if ($sel_date_format == 3)
        {
                my $ampm = 'am';
                if ($hour > 11) { $ampm = 'pm'; }
                if ($hour > 12) { $hour = $hour - 12; }
                if ($hour == 0) { $hour = 12; }

                if ($mday > 10 && $mday < 20) { $cday = '<sup>th</sup>'; }
                elsif ($mday % 10 == 1) { $cday = '<sup>st</sup>'; }
                elsif ($mday % 10 == 2) { $cday = '<sup>nd</sup>'; }
                elsif ($mday % 10 == 3) { $cday = '<sup>rd</sup>'; }
                else { $cday = '<sup>th</sup>'; }

                $formatted_date = "$months{$mon} $mday$cday, $year, $hour:$min$ampm";
        }

        # Format: 15. Jan 2000, 15:15
        if ($sel_date_format == 4)
        {
                $formatted_date = "$wday. $months{$mon} $year, $hour:$min";
        }

        # Format: 01/15/00, 3:15pm
        if ($sel_date_format == 5)
        {
                my $ampm = 'am';
                if ($hour > 11) { $ampm = 'pm'; }
                if ($hour > 12) { $hour = $hour - 12; }
                if ($hour == 0) { $hour = 12; }

                $formatted_date = "$cmon/$cday/$syear, $hour:$min$ampm";
        }

        # Format: Sunday, 15 January, 2000
        if ($sel_date_format == 6)
        {
                $formatted_date = "$week_days{$wday}, $mday $months{$mon} $year";
        }
        my $new_date22 = '';
        my $new_mon = '';
        # Format: year,month,day 20000
        if ($sel_date_format == 7)
        {
        if($mday <= 9) { $new_date22 = "0$mday"; } else { $new_date22 = "$mday"; }
        if($mon <= 9) { $new_mon = "0$mon"; } else { $new_mon = "$mon"; }
                #$cmon = $cmon - 1;
                $formatted_date = "$year$new_mon$new_date22";
        }

        # Format: year,month,day 20000
        if ($sel_date_format == 8)
        {
        #if(length($wday) < 2) { $wday = "0$wday"; }

                #$cmon = $cmon - 1;
                if($mon <= 9) { $new_mon = "0$mon"; } else { $new_mon = "$mon"; }
                $formatted_date = "$year$new_mon";
        }
        # Format: 15/01/2000 - 03:15:30 (internal stats logfile format).
        if ($sel_date_format == -1)
        {
                $formatted_date = "$cday/$cmon/$year - $hour:$min:$sec";
        }

        return $formatted_date;
}

##</code><code>##

# ---------------------------------------------------------------------
# Calculate difference between two dates.
# ---------------------------------------------------------------------
sub calc_time_diff
{
        my ($in_date1, $in_date2, $type) = @_;
        my $result = $in_date1 - $in_date2;

        # Calculate difference in hours.
        if (!$type) { $result = int($result / 3600); }

        # Calculate difference in days.
        else { $result = int($result / (24 * 3600)); }

        return $result;
}