#!/usr/bin/perl -wT

use strict;

use Fcntl;
use DBI;
use CGI;
use File::Basename;
use Text::English;


#input Words


my ($q, $query, $type);
my  (@words);

$q     = new CGI;
$query = $q->param("query");
$type  = $q->param("type");


 @words = split(/\s*(?:,|\s+)/, $query);

my %paths = search(\@words, $type);

for my $val (keys %paths)
{
        print $q->a( { -href => "$val" }, "$val" ), $q->br;

}

sub search
{
        my($words, $type) = @_;
        my($dbh, $match, $sth1, $sth2, $rule_append, $word, $file_inde
+x,);
        my %matches;
        my(@poss, @lists);

        #Database Connection:
         $dbh = DBI->connect( "DBI:mysql:host=localhost;database=testd
+b",
                    "testuser", "testpass", {PrintError=>0,RaiseError=
+>1});

        #Establish Rules for file type:

        CASE:
        {
                if($type eq "email")
                {
                        $rule_append = "filetype = \"email\" ";
                        last CASE;
                }
                if($type eq "article")
                {
                        $rule_append = "filetype = \"article\" ";
                        last CASE;
                }
                $rule_append = "filetype = \"article\" OR  \"email\" "
+;
        }#End of Rule

        foreach $word(@$words)
        {
                my $match;
                ( $word ) = Text::English::stem( $word ); 
                my @poss;

                #round 1:  Find all file pertaining to word.
                my $statement1 = "SELECT files FROM catalog WHERE word
+ LIKE \"%$word%\" ";
                $sth1 = $dbh -> prepare($statement1);
                $sth1 -> execute();

                while(my @val = $sth1 -> fetchrow_array())
                {
                        $match = $val[0]; #Get List of files.
                        push(@lists, $match);
                        
                }       #created list
        }#End of word search loop


        #Parse Files and Check for matches within.

        foreach $match(@lists)
        {
           @poss = split(/:/, $match); 
           foreach $file_index(@poss)
           {
                $sth2 = $dbh ->prepare("select filename, filetype from
+ library 
                                        where filename = '\$file_index
+\' 
                                        and ".$rule_append);
                $sth2 -> execute();
                my @val2 = $sth2->fetchrow_arrayref();
                #print"$@val2 $\n";
                $matches{$file_index} =  $type;
              


            } # All Relevant Files found.
        }# Cycle through all possible matches.

        $dbh -> disconnect();
        return(%matches);

}#End of search Function
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