#!/usr/bin/perl
use Getopt::Long;
GetOptions("help!"=>\$help,"path=s"=>\$transfer_home,"resource=s"=>\$rule_file,"input=s"=>\$input,"output=s",\$output);
print "Unprocessed by Getopt::Long\n" if $ARGV[0];
foreach (@ARGV) {
        print "$_\n";
        exit(0);
}

if($help eq 1)
{
        print "Transfer Grammar Engine  - Transfer Grammar Engine 1.0\n(29th June 2008)\n\n";
        print "usage : ./run-transfer.pl --path=/home/Transfer_Engine-1.0 --resource=Rules [-i inputfile|--input=\"input_file\"] [-o outputfile|--output=\"output_file\"] \n";
        print "\tIf the output file is not mentioned then the output will be printed to STDOUT\n";
        exit(0);
}

if($transfer_home eq "")
{
        print "Please Specify the Path as defined in --help\n";
        exit(0);

}
if($rule_file eq "")
{
        print "Please Specify the Path of the RULE FILE as in --help\n";
        exit(0);

}

my $src=$transfer_home . "/src";
require "$src/load.pl";
require "$src/transfer_grammar.pl";
require "$src/modify.pl";
require "$transfer_home/API/shakti_tree_api.pl";
require "$transfer_home/API/feature_filter.pl";


sub main
{
	undef (@_RULE_TREE_);
	open(ERR,">log");
	
	my $ref_RULE_TREE_=&load($rule_file,\@_RULE_TREE_);
#	@_RULE_TREE_=@$ref_RULE_TREE_;
	
	if ($input eq "")
	{
	  $input="/dev/stdin";
	}

#	print "tree->",$_RULE_TREE_[0]->[0]->[0]->{"fs"}->[1]{"word"},"\n";

	&read_story($input);

	$numBody = &get_bodycount();
	for(my($bodyNum)=1;$bodyNum<=$numBody;$bodyNum++)
	{

		$body = &get_body($bodyNum,$body);
		# Count the number of Paragraphs in the story
		my($numPara) = &get_paracount($body);
		#print STDERR "Paras : $numPara\n";
		# Iterate through paragraphs in the story
		for(my($i)=1;$i<=$numPara;$i++)
		{
			my($para);
			# Read Paragraph
			$para = &get_para($i);
			# Count the number of sentences in this paragraph
			my($numSent) = &get_sentcount($para);
			# print STDERR "\n $i no.of sent $numSent";
			#print STDERR "Para Number $i, Num Sentences $numSent\n";
			#print $numSent."\n";
			# Iterate through sentences in the paragraph
			for(my($j)=1;$j<=$numSent;$j++)
			{
				#print " ... Processing sent $j\n";
				# Read the sentence which is in SSF format
				my($sent) = &get_sent($para,$j);
				#print STDERR "$sent";
				&transfer_grammar($sent,$ref_RULE_TREE_);
			}
		}
	}

	if($output eq "")
	{
		#&print_tree();
		&printstory();
	}
	if($output ne "")
	{
		#&print_tree_file("$output1");
		&printstory_file("$output");
	}

}
&main;