# duck - check for debian/control files

# Copyright (C) 2016 Simon Kainz <skainz@debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# he Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# On Debian GNU/Linux systems, the complete text of the GNU General
# Public License can be found in `/usr/share/common-licenses/GPL-2'.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, you can find it on the World Wide
# Web at https://www.gnu.org/copyleft/gpl.html, or write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.

package DUCK::control_file;

use strict;
use warnings;
use autodie;
use Data::Dumper;
use Parse::DebControl qw(parse_file);


my %try_https=(

    "Homepage" => 1,
    "Vcs-Browser" =>1
#TODO: more entries??
    );

my %options=(
    "f:" => "  -f file\tspecify path to control file",
    "F" =>  "  -F\t\tskip processing of debian/control file");


sub opts()
{
    return keys %options;
}

sub desc()
{
    my $r;
    foreach (sort keys %options)
    {
	$r.=$options{$_}."\n";
    }
    return $r;
}


sub run()
{
    my ($sname,$params,$entries_ref)=@_;
    my %opt=%$params;
    #  my @entries=@$entries_ref;

    if (!$opt{F} )
    {
	my $cf_parser = new Parse::DebControl;
	if ($opt{f})
	{
	    if (! -r $opt{f})
	    {
		print STDERR "Unable to open user-specified control file: ".$opt{f}."\n";
		exit(2);
	    }
	    
	}
	
	if (!$opt{f})
	{
	    if (! -r "debian/control")
	    {
		return;
	    }
	}
	
	
	my $opts= {stripComments => 'true'};
	my $cf=($opt{f} or "debian/control");
	
	# no user specified file/path, try to find default debian/control file   
	if ( (!$opt{f}) && (-r "debian/control")||($opt{f}) )
	{
	    my @data_file = $cf_parser->parse_file($cf, $opts);
	    
	    
	    my @cfdata=$data_file[0][0];
# create list of urls from debian/control
	    
	    foreach my $cfline1 (@data_file)
	    {
		foreach my $cfline2 (@$cfline1)
		{
		    foreach my $k (keys %$cfline2)
		    {
			my $identifier=$cf.$k.$cfline2->{$k};
			push (@$entries_ref, [$cf,$k,$cfline2->{$k},0,

					      {
						  filename => $cf,
						  certainty => "certain",
						  checkmethod => $k,
						  val => $cfline2->{$k},
						  origline => $k.": ".$cfline2->{$k},
						  verbose => $cf.": ".$k.": ".$cfline2->{$k}
					      }
			      ]);  

		    }
		}
	    }
	}
	
	
    }



    return;
}

1;