#!/usr/local/bin/perl -w  

use strict;

use Getopt::Long;

use ClearCase::Region;
use Log::Log4perl;

sub mainprog
{
	use strict;
	use Carp;

	my(%options			) = ();		# command line parameters
	my($retval			) = 0;
	my($obj				) = "";
	my($stg				) = "";
	my($i				) = 0;
	my($name			) = Region->name();
	my($myname			) = "";
	my($subregion		) = "";
	my($subregion_name	) = undef;
	my(@subregions		) = Region->subregions();
	my(@subregion_flags	) = ();
	my($blanks			) = "                                 ";
	my(@vobs			) = ();
	my($vobdir			) = "";
	my($logger			) = "";
	my($configFile		) = "";
	my($configFile_found) = 0;
	my($dir				) = "";
	my($sum				) = 0;
	my($flg				) = 0;  
	
	foreach $dir (@INC) {
		if ( -f "$dir/Region_test.conf" ) {
			$configFile = "$dir/Region_test.conf";
			$configFile_found = 1;
			last;
		}
	}
	croak("Error: Region_test.conf not found in any \@INC directory\n")
		unless $configFile_found;
	
	Log::Log4perl->init($configFile);
	$logger = Log::Log4perl->get_logger("Main");
	
	$logger->info("Current region is $name\n");
	if ($#subregions < 0) {
			$logger->error("No subregions are defined for $name\n");
			exit 1;
	}
	else {
		$logger->info("The subregions are @subregions\n");
	}
	
	$i = 0;
	foreach $subregion (@subregions) {
		$subregion_flags[$i] = 0;
		$options{$subregion} = \$subregion_flags[$i];
		$i++;
		@vobs = Region->vobs($subregion);
		$logger->info("\nFor subregion name \'$subregion\' all vobs are: @vobs\n");
		$vobdir = Region->vobdir($subregion);
		$logger->info("\nFor subregion name \'$subregion\' the VOB directory is: $vobdir\n");
	}
	
	#
	# GetOptions is built-in perl function, will deal with abbrev. on cmd line
	#
	$retval = GetOptions(%options);
	if ($retval == 0) {
		$logger->error("Error in parameter specification.\n");
		exit 1;
	}
	
	#
	# Determine if the subregion was set on the command line
	# 
	$i = 0;
	foreach $flg (@subregion_flags) {
		$sum += $flg;
		if ( $flg > 0 ) {
			$subregion_name = $subregions[$i];
		}
		$i++;
	}

	#
	# Determine if more than one subregion was set on command line
	#
	if ($sum > 1) {
		$logger->error("only one region option can be specified.\n");
		exit 1;
	}

	for ($i = 0 ; $i <= $#subregions ; $i++) {
		$stg = $subregions[$i] . $blanks;
		$stg = substr($stg, 0, 17);
		$logger->info("Got $stg : $subregion_flags[$i]\n");
	}
	
	$obj = Region->new($subregion_name);
	if (! defined $obj) {
		$logger->error("Error in parameter specification.\n");
		exit 1;
	}
	$myname = $obj->subregion();
	$logger->info("\nCreated Region object for $myname\n");
}

mainprog;