#!/usr/bin/perl


use strict;
use CGI;

$|++;

my $query = new CGI;

print $query->header();

my $listingtype = $query->param("listingtype");

my $infile = "gigdates.txt";
my %gigdates;
my @unsorteddates;
my @sorteddatesmonth;
my @sorteddates;
my $count = 0;



open(INFILEHANDLE, $infile) or die "Couldn't open $infile for reading:
+  $! \n";

# read input file,  skipping blank lines, dropping date=>place pairs i
+n a hash and dates in an array for sorting
while(<INFILEHANDLE>){
    next if /^(\s)*$/;
    my $date = $_;
    my $place = $_;
    $date =~ s/\/*\@.+//;
    $place =~ s/^.+.\@ //;
    chomp($date);
    chomp($place);
    $unsorteddates[$count] = $date;
    $gigdates{$date} = $place;
    $count++;
}


# Transform dates Schwartzianly
@sorteddatesmonth =
    map { $_->[0] }
    sort {
     $a->[2] <=> $b->[2]
    }
    map { [ $_, split /\// ] }
    @unsorteddates;

@sorteddates =
    map { $_->[0] }
    sort {
     $a->[1] <=> $b->[1]
    }
    map { [ $_, split /\// ] }
    @sorteddatesmonth;


# Get todays date
my ($day, $month, $today, $thismonth, $thisday, $showtoday);
my @upcomingdates;
my @pastdates;

($thisday, $thismonth) = (localtime)[3,4];
$thismonth++;

# Based on the current date,  index the upcoming shows and past show d
+ates
foreach(@sorteddates){
    my ($month, $day) = split(/\//, $_);
    if (($month == $thismonth) && ($day == $thisday)) {
        $showtoday = $_;
    }
    elsif($month >= $thismonth && $day >= $thisday) {
        push(@upcomingdates, $_);
    }
    elsif($month > $thismonth && $day <= $thisday) {
        push(@upcomingdates, $_);

    }
    elsif($month <= $thismonth && $day < $thisday) {
        push(@pastdates, $_);
        }
    elsif($month < $thismonth && $day >= $thisday) {
        push(@pastdates, $_);
    }

}

unshift(@upcomingdates, $showtoday);

# Based on which param value was sent,  match the dates in the hash an
+d output the date and place
if ($listingtype eq "upcomingshows") {

if ($showtoday){
        print "<font size=6 face=\"Impact\" color=\"CC3333\">";
        print "***TONIGHT*** <br>$showtoday @  $gigdates{$showtoday} <
+br>***TONIGHT*** </font> <br><br>";
}


print "<font size=5 face=\"Impact\" color=\"3333FF\">";
my $upcomingshow;

foreach $upcomingshow (@upcomingdates) {
        if (exists $gigdates{$upcomingshow}) {
                print "$upcomingshow @ $gigdates{$upcomingshow} <br><b
+r> \n";
        }
}
print "</font>";
}

my @previousdates = reverse @pastdates;

if ($listingtype eq "previousshows") {

print "<font size=4 face=\"Impact\" color=\"3333FF\">";
my $previousshow;

foreach $previousshow (@previousdates) {
        if (exists $gigdates{$previousshow}) {
                print "$previousshow @ $gigdates{$previousshow} <br><b
+r> \n";
        }
}
print "</font>";
}

close INFILEHANDLE;
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