#!/usr/bin/perl  -T -I /home/testx/arctica/HACK/convergence/perl/modules
################################################################################
#          _____ _
#         |_   _| |_  ___
#           | | | ' \/ -_)
#           |_| |_||_\___|
#                   _   _             ____            _           _
#    / \   _ __ ___| |_(_) ___ __ _  |  _ \ _ __ ___ (_) ___  ___| |_
#   / _ \ | '__/ __| __| |/ __/ _` | | |_) | '__/ _ \| |/ _ \/ __| __|
#  / ___ \| | | (__| |_| | (_| (_| | |  __/| | | (_) | |  __/ (__| |_
# /_/   \_\_|  \___|\__|_|\___\__,_| |_|   |_|  \___// |\___|\___|\__|
#                                                  |__/
#          The Arctica Modular Remote Computing Framework
#
################################################################################
#
# Copyright (C) 2015-2016 The Arctica Project
# http://arctica-project.org/
#
# This code is dual licensed: strictly GPL-2 or AGPL-3+
#
# GPL-2
# -----
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
#
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
#
# AGPL-3+
# -------
# This programm is free software; you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This programm is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Copyright (C) 2015-2017 Guangzhou Nianguan Electronics Technology Co.Ltd.
#                         <opensource@gznianguan.com>
# Copyright (C) 2015-2017 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
#
################################################################################
use strict;
use Data::Dumper;
use Arctica::Core::eventInit qw(genARandom BugOUT);
use Arctica::Core::JABus::Socket;
use Arctica::Services::Audio::PulseAudio::PAVirtualDevices;
use Arctica::Services::Audio::PulseAudio::PulseAudio2GST;
#FIXME ADD  something that checks for active PulseAudio before we start doing our stuff....

my $ACO = Arctica::Core::eventInit->new({
	app_name=>'audio-server-test',
	app_class =>'amoduletester',
	app_version=>'0.0.1.1'});

my $JABusServer = Arctica::Core::JABus::Socket->new($ACO,{
	type	=>	"unix",
	destination =>	"local",
	is_server => 1,
	handle_in_dispatch => {
#			heartbeat => \&heartbeat, #FIXME heartbeat will be intergrated in RTT and persistency code in JABus...
			gstctl => \&pa2gst_ctl,# Client facing stuff must be NON pulse centric 
			init => \&client_init,
#			cmd => \&client_init,# JABus runtime control 
#			sub => \&subsrvc,# JABus runtime notifications service
	},
});

my $PA2GST = Arctica::Services::Audio::PulseAudio::PulseAudio2GST->new($ACO,$JABusServer);

my $PA_VDev = Arctica::Services::Audio::PulseAudio::PAVirtualDevices->new($ACO,{
		hook_device_state => \&handle_PA_device_events,
#		hook_device_state =>  sub {$PA2GST->handle_PA_device_events(@_)},
	});





#print Dumper($PA_VDev);

$ACO->{'Glib'}{'MainLoop'}->run;

sub handle_PA_device_events {# FIXME this has moved into PulseAudio2GST...: But then it came back out here...
	print "-------------------------------\n";
	print Dumper(@_),"\n";
	my $type = $_[0];
	my $idnum = $_[1];
	my $name = $_[2];
	my $new_state = $_[3];
	my $clientID = $PA2GST->get_active_client_id();
	print "CID#\t$clientID\n";
	if ($clientID) {
		
		if ($type eq "input") {
			if ($new_state eq "R") {
				# START LOCAL THEN CLIENTSIDE
				$PA2GST->start_input($idnum,$PA_VDev->{'pa_vdev'}{'input'}{0}{'pa_sink_name'});
				$JABusServer->server_send($clientID,"gstctl",{
										action => "start",
										type   => $type,
										idnum  => $idnum,
										rate  => $PA2GST->get_input_bitrate($idnum),
										});
			} elsif($new_state eq "S") {
				$JABusServer->server_send($clientID,"gstctl",{
										action => "stop",
										type   => $type,
										idnum  => $idnum,
										});
				$PA2GST->stop_input($idnum);
			}
		} elsif ($type eq "output") {
			if ($new_state eq "R") {
				# START CLIENT SIDE THEN LOCAL 
				$PA2GST->start_output($idnum,$PA_VDev->{'pa_vdev'}{'input'}{0}{'pa_sink_name'});
				$JABusServer->server_send($clientID,"gstctl",{
										action => "start",
										type   => $type,
										idnum  => $idnum,
										});
			} elsif ($new_state eq "S") {
				$JABusServer->server_send($clientID,"gstctl",{
										action => "stop",
										type   => $type,
										idnum  => $idnum,
										});
				$PA2GST->stop_output($idnum);
			}
		} 
	}
}



sub client_init {
	my $JSONDATA = $_[0];
	my $client_ID = $_[1];
	my $TheJBUS = $_[2];
	BugOUT(8,"NEW CLIENT! ( $client_ID )");
	if ($ACO->{'aobj'}{'AudioServer'}{'client_ID'}) {
		client_cleanup($ACO->{'aobj'}{'AudioServer'}{'client_ID'});
	}	
	
	$ACO->{'aobj'}{'AudioServer'}{'client_ID'} = $client_ID;
	$PA2GST->set_jbus_client_id($client_ID);
# FIXME Add something to force check of pulse vdev status at this point....

#	$TheJBUS->server_send($client_ID,'init','GOOD TO GO!');

}

sub client_cleanup {
#FIXME Reset everything to a clean state when new client connection is initiated!
# ( Cause you'r mom ain't no perl sub!  )
}