#!/usr/bin/perl -wT

=begin comment info
+------------------------------------------------------------------------------
|
| See end of script for comments and 'pod2man $NAME | nroff -man' to
| view man page or pod2text $NAME for plain text.
|
|   Nicholas DeClario <nick@demandred.dyndns.org>
|   March 2009
|	$Id: calendar.pl,v 1.1.1.1 2013/05/28 21:56:57 nick Exp $
|
+------------------------------------------------------------------------------
=end comment
=cut
BEGIN {
        delete @ENV{ qw(IFS CDPATH ENV BASH_ENV PATH) };
        $ENV{'PATH'} = "/bin:/usr/bin";
      }

use strict;
use Getopt::Long;
use Pod::Usage;
use Data::Dumper;
use Calendar::Simple;
use Date::Calendar::Year qw( :all );
use Date::Calendar::Profiles qw( $Profiles );

my $DEBUG    = "";
my $URL	     = "http://demandred.dyndns.org/cgi-bin/calendar.cgi";
my %post_in  = ( );
my %opts     = &fetchOptions( );
my @months   = qw/ January February March April May June July 
		   August September October Novemeber December /;
my %holidays = ( 
		 "Christmas Day"	=> 'even',
		 "Christmas Eve"	=> 'odd',
		 "Father's Day"		=> 'all',
		 "Independence Day"	=> 'even',
		 "Labor Day"		=> 'even',
		 "Memorial Day"		=> 'odd',
		 "New Year's Day"	=> 'even',
		 "New Year's Eve"	=> 'odd',
		 "Thanksgiving Day"	=> 'odd', 
	       );

my %specials = (
		"11/28"			=> "even",
		"5/6"			=> "odd",
		);

&ReadParse( );

my $yr =  sprintf( "%d", $post_in{'cy'} ) || ( ( localtime )[5] + 1900 );
my $YEAR = sprintf( "%d", $yr );

print "Content-type: text/html\n\n";
print "<html>";
print "<Title>Calendar Days I Have Connor</title>";
print "<h1>Calendar for $YEAR</h1>\n";
print "</p>Holidays I have Connor are in <font color=red>Red</font>\n</br>";
print "Today is <font color=blue>Blue</font>\n</br>";
print "Weekends and special days I have Connor are in <font color=green>Green</font>\n</p>";

my $year_us = Date::Calendar::Year->new( $YEAR, $Profiles->{'US-FL'} );
my @hdays = $year_us->labels( );

$DEBUG = "Holidays for $YEAR:\n";
foreach ( sort @hdays ) { $DEBUG .= $_ ."\n"; }


print "<center><a href=\"$URL?cy=" . ( $YEAR - 1 ) .
      "\">&lt;--</a> <b>$YEAR</b> " .
       "<a href=\"$URL?cy=" . ( $YEAR + 1 ) . "\">--&gt;</a></center>";
my $row = 0;
print "<table align=center border=1><tr>";
for( my $month = 1; $month <= 12; $month++ )
{
	if ( $row >= 3 ) 
	{
		$row = 0;
		print "</tr><tr>";
	}
	print "<td align=center valign=top>";
	print "<b>$months[($month - 1)]</b>\n";
	print "<pre>Su Mo Tu We Th Fr Sa\n";
	my @CALS = calendar( $month, $YEAR );
	foreach my $cal ( @CALS ) 
	{
		foreach my $day ( @$cal ) 
		{
			if( defined $day ) 
			{
				my $h_day = ( $year_us->labels( $YEAR, $month, $day ) )[1];
				if( &IHaveConnor( $h_day ) ) {
					print sprintf "<font color=red><b>%2d</b> </font>", $day;
				} elsif ( &isSpecial( $YEAR, $month, $day ) || 
 					  &isWeekend( $YEAR, $month, $day ) ) {
					print sprintf "<font color=green><b>%2d</b> </font>", $day;
				} elsif ( &isToday( $YEAR, $month, $day ) ) {
					print sprintf "<font color=blue><b>%2d</b> </font>", $day;
				} else {
					print sprintf "%2d ", $day;
				}
			} else {
				print '   ';
			}	
		}
		print "\n";
	}
	print "</pre></td>";
	$row++;
}
print "</tr></table>";
print "<pre>$DEBUG</pre>";

###############################################################################
###############################################################################
sub IHaveConnor 
{
	my $holiday = shift || return 0;
	my $y = ( $YEAR % 2 ) ? "odd" : "even";

	if ( defined $holidays{$holiday} )
	{
		return 1 if ( $holidays{$holiday} eq "all" );
		return 1 if ( $holidays{$holiday} eq $y );
	}

	return 0;
}

sub isSpecial
{
        my $y = shift || return 0;
        my $m = shift || return 0;
        my $d = shift || return 0;
	my $yr = ( $YEAR % 2 ) ? "odd" : "even";

	my $ref = "$m/$d";
	
	if ( defined $specials{$ref} )
	{
		return 1 if ( $specials{$ref} eq "all" ||
   			      $specials{$ref} eq $yr );
	}

	return 0;
}

sub isWeekend
{
        my $y = shift || return 0;
        my $m = shift || return 0;
        my $d = shift || return 0;

	return 0;
}

sub isToday
{
	my $y = shift || return 0;
	my $m = shift || return 0;
	my $d = shift || return 0;

	return 1 if ( $y eq ( ( localtime )[5] + 1900 ) &&
	     $m eq ( ( localtime )[4] + 1 ) &&
	     $d eq ( ( localtime )[3] ) );
	return 0;
}

###############################################################################
###############################################################################
sub ReadParse
{
        my $a = $_[0] ? $_[0] : \%post_in;
        my ( $i, $in );
        my @in = ( );

        if ( defined $ENV{'SERVER_NAME'} ) {
                my $SERVER = $ENV{'SERVER_NAME'};
        }

        if ( ( defined $ENV{'REQUEST_METHOD'} ) &&
             ($ENV{'REQUEST_METHOD'} eq 'POST') )
        {
                read(STDIN, $in, $ENV{'CONTENT_LENGTH'});
        }
        else
        {
                $in = $ENV{'QUERY_STRING'} || "";
        }

        @in = split(/\&/, $in);

        foreach $i (@in)
        {
                my ($k, $v) = split(/=/, $i, 2);
                $k =~ s/\+/ /g; $k =~ s/%(..)/pack("c",hex($1))/ge;
                $v =~ s/\+/ /g; $v =~ s/%(..)/pack("c",hex($1))/ge;
                $a->{$k} = defined($a->{$k}) ? $a->{$k}."\0".$v : $v;
        }

}

###############################################################################
##
## &fetchOptions( );
##
##      Grab our command line arguments and toss them in to a hash
##
###############################################################################
sub fetchOptions {
        my %opts;

        &GetOptions(
                        "help|?"        => \$opts{'help'},
                        "man"           => \$opts{'man'},
                   ) || &pod2usage( );
        &pod2usage( ) if defined $opts{'help'};
        &pod2usage( { -verbose => 2, -input => \*DATA } ) if defined $opts{'man'};

        return %opts;
}

__END__

=head1 NAME

masterbuild.pl - blurb

=head1 SYNOPSIS

masterbuild.pl [options]

 Options:
        --help,?        Display the basic help menu
        --man,m         Display the detailed man page

=head1 DESCRIPTION

=head1 HISTORY

=head1 AUTHOR

Nicholas DeClario <nick@declario.com>

=head1 BUGS

This is a work in progress.  Please report all bugs to the author.

=head1 SEE ALSO

=head1 COPYRIGHT

=cut
