#!/usr/bin/perl
use C4::Database;
use DBI;
#use strict;
use C4::Acquisitions;
use C4::Output;
my $dbh=C4Connect;



while (1) {
    my $sth=$dbh->prepare("select id,term,type,servers from z3950queue where
    isnull(done) || done=-1");
    $sth->execute;
    while (my ($id, $term, $type, $servers) = $sth->fetchrow) {
	my $now=time();
	my $sti=$dbh->prepare("update z3950queue set done=-1,startdate=$now where id=$id");
	$sti->execute;
	my $attr='';
	if ($type eq 'isbn') {
	    $attr='1=7';
	} elsif ($type eq 'title') {
	    $attr='1=4';
	} elsif ($type eq 'lccn') {
	    $attr='1=9';
	}
	$term='"'.$term.'"';
	$query="f \@attr $attr $term";
	my $totalrecords=0;
	my $serverinfo;
	foreach $serverinfo (split(/\s+/, $servers)) {
	    my ($name, $server, $database, $auth) = split(/\//, $serverinfo, 4);
	    ($auth eq '/') && ($auth='');
	    print "Processing $type=$term at $name $server $database $auth\n";
	    $now=time();
	    my $q_serverinfo=$dbh->quote($serverinfo);
	    my $sti=$dbh->prepare("insert into z3950results (server, queryid, startdate) values ($q_serverinfo, $id, $now)");
	    $sti->execute;
	    my $resultsid=$dbh->{'mysql_insertid'};
	    getrecord($server, $database, $query, $auth);
	    my $result=`cat yaz.mrc`;
	    unlink ('yaz.mrc');
	    my $splitchar=chr(29);
	    my @records=split(/$splitchar/, $result);
	    my $numrecords=$#records+1;
	    $totalrecords+=$numrecords;
	    my $q_result=$dbh->quote($result);
	    ($q_result) || ($q_result='""');
	    $now=time();
	    $sti=$dbh->prepare("update z3950results set numrecords=$numrecords,results=$q_result,enddate=$now where id=$resultsid");
	    $sti->execute;
	}
	$sti=$dbh->prepare("update z3950queue set done=1,numrecords=$totalrecords,enddate=$now where id=$id");
	$sti->execute;
    }
    sleep 15;
}

sub getrecord {
    my $server=shift;
    my $base=shift;
    my $query=shift;
    my $auth=shift;
    open  (M, "|yaz-client -m yaz.mrc >>yaz.out 2>>yaz.err");
    select M;
    $|=1;
    select STDOUT;
    ($auth) && ($auth="authentication $auth\n");
    print << "EOF";
$auth\open $server
base $base
$query
s
s
s
s
s
s
s
s
s
s
quit
EOF
    print M << "EOF";
$auth\open $server
base $base
$query
s
s
s
s
s
s
s
s
s
s
quit
EOF
    close M;
}