package Telsis::Session;
use strict;
use IO::Socket;
use Telsis::Cmd_NewSession;
use threads;
use threads::shared;


sub new {
    my ($class, %args) = @_;
    my $self = {};
    my $replies = &share([]);
    push(@{$replies}, "ACTIVE");

    $self->{SHELF}        = $args{"Shelf"};
    $self->{SESS_HANDLE}  = undef;
    $self->{SEQ}          = 1;
    $self->{REMOTE_IP}    = $args{"RemoteIP"};
    $self->{REMOTE_PORT}  = defined $args{"RemotePort"} ? $args{"RemotePort"} : 10005;
    $self->{USERNAME}     = $args{"Username"};
    $self->{PASSWORD}     = $args{"Password"};
    $self->{REPLIES}      = $replies;
    $self->{SOCKET}       = IO::Socket::INET->new(PeerPort=>$self->{REMOTE_PORT}, Proto=>'udp', PeerAddr=>$self->{REMOTE_IP});
    #$self->{REPLY_THREAD} = threads->new(\&_session_replies, $self->{REMOTE_IP}, $self->{REMOTE_PORT}, $replies, $self->{SOCKET});
    $self->{REPLY_THREAD} = threads->create( sub { _session_replies($self->{REMOTE_IP}, $self->{REMOTE_PORT}, $replies, $self->{SOCKET}) } );


    printf "Connecting to %s on port %u (local port %u)...\n", $self->{REMOTE_IP}, $self->{REMOTE_PORT}, $self->{SOCKET}->sockport();


    my $cmd = Telsis::Cmd_NewSession->new();
    $cmd->interface_version(0x0207);
    $cmd->username($self->{USERNAME});
    $cmd->password($self->{PASSWORD});

    sleep 2;

    printf "Login as %s...\n", $self->{USERNAME};
    $self->{SOCKET}->send($cmd->msg);

    sleep 2;

    bless ($self, $class);
    return $self;
}

sub DESTROY {
    my $self = shift;

    print "DESTROY 1\n";
    sleep 2;
    print "DESTROY 2\n";
    print "POP:".pop(@{$self->{REPLIES}})."\n";
    sleep 2;
    print "DESTROY 3\n";
}

sub _session_replies {
    my ($remote_ip, $remote_port, $replies, $sck) = @_;
    my $buf;
    my $flags = 0;

    sleep 1;
    print "IP:$remote_ip, PORT:$remote_port, REPLIES:".$replies.", SOCKET:".$sck."\n";

    while (@{$replies} != undef) {
        print "Waiting for replies...\n";
        $sck->recv($buf, 256, $flags);

        if( $buf ) {
            print "RECV: " . unpack("H*", $buf) . "\n";
        } else {
            sleep 1;
        }
    }
    print "THREAD TERMINATING\n";
}

sub shelf {
    my $self = shift;
    if (@_) { $self->{SHELF} = shift }
    return $self->{SHELF};
}

sub handle {
    my $self = shift;
    if (@_) { $self->{HANDLE} = shift }
    return $self->{HANDLE};
}

sub seq {
    my $self = shift;
    if (@_) { $self->{SEQ} = shift }
    return $self->{SEQ};
}

sub remote_ip {
    my $self = shift;
    if (@_) { $self->{REMOTE_IP} = shift }
    return $self->{REMOTE_IP}
}

sub remote_port {
    my $self = shift;
    if (@_) { $self->{REMOTE_PORT} = shift }
    return $self->{REMOTE_PORT}
}

1;