#!/Perl/bin/perl 

use CGI qw(:standard);
use CGI::Carp qw(warningsToBrowser fatalsToBrowser);
use Win32::OLE qw(in with);
use Win32::OLE::Const 'Microsoft Word';
use Win32::OLE::Enum;
use strict;

print header;
print start_html("Processing...");
print h3("Processing your request...");

my $text = param("search_text");
my $type = param("type");

print "You requested a search for the words \"$text\" in the documents where they appear as $type...\n";
my $time = localtime;

my $Word = Win32::OLE->GetActiveObject('Word.Application') || Win32::OLE->new('Word.Application', 'Quit');
my $infile = "<Word document here>";
$Word->Documents->Open($infile,{ReadOnly => 1}) || die("Unable to open document ", Win32::OLE->LastError());
$Word->{visible} = 0;
$Word->{DisplayAlerts} = 0;

my $range = $Word->ActiveDocument->Content;
my $current_song; my $flag; my @mytext; my @mystyle; my $compare; my %song; my $song_count = 0;

foreach my $word (in $range->Words){
	push(@mytext,$word->{Text});
	push(@mystyle,$word->{Style}->{NameLocal});
}

for (my $x = 0;$x <= $#mytext; $x++) {
	my $current_song;
	my $current_writer;
	my $current_lyrics;

	if ($mystyle[$x] eq "Heading 1") {
		my $counter = 0;
		undef $current_song;
		while ($mystyle[$x+$counter] eq "Heading 1") {
			$current_song .= $mytext[$x+$counter];
			$counter++;
		}
		$x += $counter;
		chop($current_song);
		chop($current_song);
		$song{Title}[$song_count] = $current_song;
	}
	elsif ($mystyle[$x] =~ /Songwriter/) {
		my $counter = 0;
		undef $current_writer;
		while ($mystyle[$x+$counter] =~ /Songwriter/) {
			$current_writer .= $mytext[$x+$counter];
			$counter++;
		}
		$x += $counter;
		chop($current_writer);
		chop($current_writer);
		$song{Songwriter}[$song_count] = $current_writer;
	}
	else {
		my $counter = 0;
		undef $current_lyrics;
		while ($mystyle[$x+$counter] =~ /Lyrics|Chord/) {
			if ($mystyle[$x+$counter] eq "Lyrics") {
				$current_lyrics .= $mytext[$x+$counter];
			}
			$counter++;
		}
		$song{Lyrics}[$song_count] = $current_lyrics;
		$song_count++;
		$x += $counter;
	}
}

print "<br><br>Matches:<ol>";
my $matching_song;
for (my $x=0;$x<$song_count;$x++) {
	if (($type eq "Heading 1" and $song{Title}[$x] =~ /$text/i) or 
		($type eq "Lyrics" and $song{Lyrics}[$x] =~ /$text/i) or 
		($type eq "Songwriter" and $song{Songwriter}[$x] =~ /$text/i)) {
		print "<li><b>$song{Title}[$x]:</b>  <i>$song{Songwriter}[$x]</i>\n";
		print "<ul><li><pre>$song{Lyrics}[$x]</pre>\n";
		print "<li><a href=\"gen_song.pl?title=$song{Title}[$x]&format=doc\">$song{Title}[$x].doc</a>\n";
		print "<li><a href=\"gen_song.pl?title=$song{Title}[$x]&format=pdf\">$song{Title}[$x].pdf</a></ul>\n";
		$matching_song = $x;
	}
}
print "</ol>";

print "<br><br><br><i><font color=blue>Query started at $time";
$time = localtime;
print "<br>Query completed at $time";
print end_html;

$Word->Quit();
undef $Word;