package PVE::Network::SDN::Dns::Plugin;

use strict;
use warnings;

use PVE::Tools qw(run_command);
use PVE::JSONSchema;
use PVE::Cluster;
use HTTP::Request;
use LWP::UserAgent;

use Data::Dumper;
use PVE::JSONSchema qw(get_standard_option);
use base qw(PVE::SectionConfig);

PVE::Cluster::cfs_register_file('sdn/dns.cfg',
				 sub { __PACKAGE__->parse_config(@_); },
				 sub { __PACKAGE__->write_config(@_); });

PVE::JSONSchema::register_standard_option('pve-sdn-dns-id', {
    description => "The SDN dns object identifier.",
    type => 'string', format => 'pve-sdn-dns-id',
});

PVE::JSONSchema::register_format('pve-sdn-dns-id', \&parse_sdn_dns_id);
sub parse_sdn_dns_id {
    my ($id, $noerr) = @_;

    if ($id !~ m/^[a-z][a-z0-9]*[a-z0-9]$/i) {
	return undef if $noerr;
	die "dns ID '$id' contains illegal characters\n";
    }
    return $id;
}

my $defaultData = {

    propertyList => {
	type => {
	    description => "Plugin type.",
	    type => 'string', format => 'pve-configid',
	},
        ttl => { type => 'integer', optional => 1 },
        reversev6mask => { type => 'integer', optional => 1 },
        dns => get_standard_option('pve-sdn-dns-id',
            { completion => \&PVE::Network::SDN::Dns::complete_sdn_dns }),
    },
};

sub private {
    return $defaultData;
}

sub parse_section_header {
    my ($class, $line) = @_;

    if ($line =~ m/^(\S+):\s*(\S+)\s*$/) {
        my ($type, $id) = (lc($1), $2);
	my $errmsg = undef; # set if you want to skip whole section
	eval { PVE::JSONSchema::pve_verify_configid($type); };
	$errmsg = $@ if $@;
	my $config = {}; # to return additional attributes
	return ($type, $id, $errmsg, $config);
    }
    return undef;
}


sub add_a_record {
    my ($class, $plugin_config, $zone, $hostname, $ip, $noerr) = @_;

    die "please implement inside plugin";
}

sub add_ptr_record {
    my ($class, $plugin_config, $zone, $hostname, $ip, $noerr) = @_;

    die "please implement inside plugin";
}

sub del_ptr_record {
    my ($class, $plugin_config, $zone, $ip, $noerr) = @_;

    die "please implement inside plugin";
}

sub del_a_record {
    my ($class, $plugin_config, $zone, $hostname, $ip, $noerr) = @_;

    die "please implement inside plugin";
}

sub verify_zone {
    my ($class, $plugin_config, $zone, $noerr) = @_;

    die "please implement inside plugin";
}

sub get_reversedns_zone {
    my ($class, $plugin_config, $subnetid, $subnet, $ip) = @_;

    die "please implement inside plugin";
}

sub on_update_hook {
    my ($class, $plugin_config) = @_;
}

1;