package Clustericious::Command::configure;

use strict;
use warnings;
use 5.010;
use Mojo::Base 'Clustericious::Command';
use Path::Class qw( dir );

# ABSTRACT: Generate a default configuration.
our $VERSION = '1.29'; # VERSION


has description => <<EOT;
Write default configuration files.
EOT

has usage => <<EOT;
usage $0: configure
EOT

sub run
{
  my($self, @args) = @_;

  my $root = dir($ENV{CLUSTERICIOUS_CONF_DIR} || $ENV{HOME});
  my $conf = $self->app->generate_config(@args);

  for my $d (@{$conf->{dirs} || []}) {
    my $dir = dir($root, @$d);
    -d $dir and do { say "-> exists : $dir"; next; };
    my @made = $dir->mkpath;
    say "-> mkdir $_" for @made;
  }
  
  my $config_root = dir($root)->subdir('etc');
  for my $filename (keys %{$conf->{files}}) {
    my $file = $config_root->file($filename);
    -e $file and do {
      say "-> exists : $file";
      next;
    };
    say "-> write $file";
    $file->spew($conf->{files}{$filename});
  }

  1;
}

1;

__END__

=pod

=encoding UTF-8

=head1 NAME

Clustericious::Command::configure - Generate a default configuration.

=head1 VERSION

version 1.29

=head1 SYNOPSIS

Your app:

 package YourApp;
 
 use Mojo::Base qw( Clustericious::App );
 
 sub generate_config
 {
   my ($self, @args) = @_;

   return {
        dirs => [
            ['etc'],
            ['var', 'run' ]
        ],
        files => { 'YourApp.conf' => <<<CUT }
 ---
 required_key   : default_value
 something_else : <%= home %>
 CUT
   };
 }
 
 1;

=head1 DESCRIPTION

Create a default configuration for an app.

=head1 SEE ALSO

L<Clustericious>

=head1 AUTHOR

Original author: Brian Duggan

Current maintainer: Graham Ollis E<lt>plicease@cpan.orgE<gt>

Contributors:

Curt Tilmes

Yanick Champoux

=head1 COPYRIGHT AND LICENSE

This software is copyright (c) 2013 by NASA GSFC.

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=cut