package TestPackage;

sub new () {
     my $class = shift;
     my %opts  = @_;
     my $self  = {};

     if (exists($opts{'username'}) && (exists($opts{'password'}))){
          $self->{'username'} = $opts{'username'};
          $self->{'password'} = $opts{'password'};
          bless $self, $class;
      }else{
          return undef;
      }
      
      $self->_init_Authentication;
      return $self;
}

sub Identities () {
     my $self = shift;
     if (exists($self->{'identities'})) {
         return @{$self->{'identities'}};
     }else {
        return undef;
     }
}
sub BuddyList () {
     my $self = shift;
     if (exists($self->{'buddy_list'})){
         return %{$self->{'buddy_list'}};
     }else{
         return undef;
     }
}
sub _init_Authentication () {
     my $self = shift;
    ## ---- snip lots of code ----
    ## assume $buddylist = "group1:name1,name2\ngroup2:name2,name3\n...etc..."
    my %buddylist;
    my @groups = split /\n/, $buddylist;
    foreach (@groups) {
       my ($group,$names) = /^(.+?):(.+)/;
       $buddylist{$group} = [ split /,/, $names ];
    }
    
    # ---- snip more code ----
    # assume $myident = myname1,myname2, etc...
    my @identities = split /,/, $myident;
    
    $self->{'buddy_list'}    = \%buddylist;
    $self->{'identities'}    = \@identities;
}

1;