use strict;
use warnings;

use FindBin qw($Bin $Script);
use lib "$Bin/../lib";

use Test::More;
use Test::Trap;
use File::Which qw(which);
use File::Temp qw(tempdir);
use English '-no_match_vars';

use Readonly;

BEGIN {
    use_ok("App::ClusterSSH::Cluster") || BAIL_OUT('failed to use module');
}

my $cluster1 = App::ClusterSSH::Cluster->new();
isa_ok( $cluster1, 'App::ClusterSSH::Cluster' );

my $cluster2 = App::ClusterSSH::Cluster->new();
isa_ok( $cluster2, 'App::ClusterSSH::Cluster' );

my @expected = ( 'pete', 'jo', 'fred' );

$cluster1->register_tag( 'people', @expected );

my @got = $cluster2->get_tag('people');

is_deeply( \@got, \@expected, 'Shared cluster object' );

# should pass without issue
trap {
    $cluster1->read_cluster_file( $Bin . '/30cluster.doesnt exist' );
};
is( !$trap, '', 'coped with missing file ok' );
isa_ok( $cluster1, 'App::ClusterSSH::Cluster' );

# no point running this test as root since root cannot be blocked
# from accessing the file
if ( $EUID != 0 ) {
    my $no_read = $Bin . '/30cluster.cannot_read';
    chmod 0000, $no_read;
    trap {
        $cluster1->read_cluster_file($no_read);
    };
    chmod 0644, $no_read;
    isa_ok( $trap->die, 'App::ClusterSSH::Exception::Cluster' );
    is( $trap->die,
        "Unable to read file $no_read: Permission denied",
        'Error on reading an existing file ok'
    );
}
else {
    pass('Cannot test for lack of read access when run as root');
}

@expected = ('host1');
$cluster1->read_cluster_file( $Bin . '/30cluster.file1' );
@got = $cluster1->get_tag('tag1');
is_deeply( \@got, \@expected, 'read simple file OK' );

@expected = ('host1');
$cluster1->read_cluster_file( $Bin . '/30cluster.file2' );
@got = $cluster1->get_tag('tag1');
is_deeply( \@got, \@expected, 'read more complex file OK' );

@expected = ('host2');
@got      = $cluster1->get_tag('tag2');
is_deeply( \@got, \@expected, 'read more complex file OK' );

@expected = ( 'host3', 'host4' );
@got = $cluster1->get_tag('tag3');
is_deeply( \@got, \@expected, 'read more complex file OK' );

done_testing();