#!/usr/bin/perl

# Created on: 2015-03-29 19:26:51
# Create by:  Ivan Wills
# $Id$
# $Revision$, $HeadURL$, $Date$
# $Revision$, $Source$, $Date$

use strict;
use warnings;
use Getopt::Long;
use Pod::Usage;
use Data::Dumper qw/Dumper/;
use English qw/ -no_match_vars /;
use FindBin qw/$Bin/;
use App::MultiSsh qw/hosts_from_map is_host multi_run shell_quote/;

our $VERSION = '0.19';
my ($name)   = $PROGRAM_NAME =~ m{^.*/(.*?)$}mxs;

my %option = (
    verbose => 0,
    man     => 0,
    help    => 0,
    VERSION => 0,
);

main();
exit 0;

sub main {
    Getopt::Long::Configure('bundling');
    GetOptions(
        \%option,
        'host|h=s@',
        'group|g=s@',
        'recurse|r=s',
        'test|t!',
        'verbose|v+',
        'man',
        'help',
        'VERSION!',
    ) or pod2usage(2);

    if ( $option{'VERSION'} ) {
        print "$name Version = $VERSION\n";
        exit 1;
    }
    elsif ( $option{'man'} ) {
        pod2usage( -verbose => 2 );
    }
    elsif ( $option{'help'} ) {
        pod2usage( -verbose => 1 );
    }
    elsif ( @ARGV < 2 ) {
        pod2usage( -verbose => 1 );
    }

    # do stuff here
    if ($option{group}) {
        push @{ $option{host} }, App::MultiSsh::get_groups($option{group});
    }
    elsif (!$option{host}) {
        (undef, $option{host}) = $ARGV[-1] =~ s/^( [^@]+ [@])? ( [^:]+ ) : //xms;
    }

    my $dest = pop @ARGV;
    my @hosts = hosts_from_map($option{host});
    my @cmd   = qw/scp/;

    push @cmd, qw/-r/ if $option{recurse};

    for my $host (@hosts) {
        print join ' ', @cmd, @ARGV, "$host:$dest\n" if $option{verbose} || $option{test};
        system @cmd, @ARGV, "$host:$dest" if !$option{test};
    }

    return;
}

__DATA__

=head1 NAME

mscp - Multi host scp (send files to multiple hosts only)

=head1 VERSION

This documentation refers to mscp version 0.19.

=head1 SYNOPSIS

   mscp [option] src (src2 ...) (--host|-h) [user@]host (--host host2...) dest

 OPTIONS:
  src           Source file(s)
  dest          Destination file or directory (if more than one source file
                then dest must be a directory as per usual scp rules)
  -r --recurse  Recurse into subdirectories

  -v --verbose  Show more detailed option
     --version  Prints the version information
     --help     Prints this help information
     --man      Prints the full documentation for mscp

=head1 DESCRIPTION

The C<mscp> command allows copying files to multiple hosts at once.

=head2 Examples

 # copy ~/.bashrc to servers test01, test02, test03 and test04
 mscp -h test0[1-4] ~/.bashrc .
 # equivalent scp commands
 scp ~/.bashrc test01:.
 scp ~/.bashrc test02:.
 scp ~/.bashrc test03:.
 scp ~/.bashrc test04:.

 # copy the data directory in the current directory to remote /opt/data directories
 mscp -r -h test0[1,2] data /opt/data
 # equivalent scp commands
 scp -r data test01:/opt/data
 scp -r data test02:/opt/data

=head1 SUBROUTINES/METHODS

=head1 DIAGNOSTICS

=head1 CONFIGURATION AND ENVIRONMENT

=head1 DEPENDENCIES

=head1 INCOMPATIBILITIES

=head1 BUGS AND LIMITATIONS

There are no known bugs in this module.

Please report problems to Ivan Wills (ivan.wills@gmail.com).

Patches are welcome.

=head1 AUTHOR

Ivan Wills - (ivan.wills@gmail.com)

=head1 LICENSE AND COPYRIGHT

Copyright (c) 2015 Ivan Wills (14 Mullion Close, Hornsby Heights, NSW Australia 2077).
All rights reserved.

This module is free software; you can redistribute it and/or modify it under
the same terms as Perl itself. See L<perlartistic>.  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.

=cut
