# manage incus clusters
class incus::cluster (
  Boolean $members_lookup   = false,
  String  $members_role     = undef,
  String  $master           = undef,
  Array   $servers          = [],
  Stdlib::Fqdn $server_fqdn = $facts['networking']['fqdn'],
  Stdlib::Port $server_port = 8443,
){

  # check that the master is named
  unless !($master == undef) {
    fail("master must be provided for ${title}")
  }

  # if lookup is enabled
  if $members_lookup {

    # check that the role is also set
    unless !($members_role == undef) {
      fail("members_role must be provided for ${title} when members_lookup is True")
    }

    # if it is, find hosts, sort them so they dont cause changes every run
    $servers_array = sort(query_nodes("enc_role='${members_role}' and region='${facts['region']}'", 'networking.fqdn'))

  # else use provided array from params
  }else{
    $servers_array = $servers
  }

  # if its not an empty array. Give puppetdb a chance to be populated with data.
  if length($servers_array) >= 3 {

    # check if this is the master_node
    if $master == $trusted['certname'] {
      $master_bool = true
    }else{
      $master_bool = false
    }

    # find bootstrap status for servers
    $bootstrap_array = puppetdb_query("inventory[certname, facts] { facts.enc_role = '${members_role}' }").map |$node| {
      {
        'fqdn'        => $node['certname'],
        'ip'          => $node['facts']['networking']['ip'],
        'clustered'   => $node['facts']['incus']['environment']['server_clustered'],
        'certificate' => $node['facts']['incus']['environment']['certificate'],
      }
    }

    # determine if the cluster is bootstrapped
    $cluster_bootstrapped = $bootstrap_array.any |$server| {
      $server['fqdn'] == $master and $server['clustered'] == true
    }
  }
}