package cfgdiff;

BEGIN {
    die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
    die "GSDLOS not set\n" unless defined $ENV{'GSDLOS'};
    unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
    unshift (@INC, "$ENV{'GSDLHOME'}/perllib/cpan");
}

use util;
use diffutil;
use Text::Diff;

sub test_cfg
{
    my ($full_modelcfg,$full_testcfg,$cfg_file) = @_;

    my $cfg_result = diff $full_modelcfg, $full_testcfg, { STYLE => "OldStyle" };

    
    if($cfg_file eq "build.cfg")
    {
	my @temp_array = split (" ",$cfg_result);
	my @r_array =  grep {/\d+/} @temp_array;

	if ($cfg_result eq "")
	{
	    return "";
#	    return "Difference Report: These two collections are identical";
	}
	elsif ($r_array[1] > $r_array[2] && $temp_array[2] eq "builddate" && $temp_array[6] eq "builddate")
	{
	    return "Difference Report: Using newer collection as model collection";
	}
	elsif ($r_array[1] < $r_array[2] && $temp_array[2] eq "builddate" && $temp_array[6] eq "builddate")
	{
	    return "";
	}
	else
	{
	    $cfg_result = &diffutil::GenerateOutput($cfg_result,"");
	    return $cfg_result;
	}
    }
    elsif($cfg_file eq "collect.cfg")
    {

	$cfg_result = &diffutil::GenerateOutput($cfg_result,"");
	if ($cfg_result eq "")
	{
	    return "";
	}
	else
	{
	    return "Difference Report:\n$cfg_result";
	}
    }
    else
    {
	die "Error occour in cfgdiff::testcfg!!\n";
    }
}

1;