/* ****************************************************************************
 * Copyright 2019 Open Systems Development BV                                 *
 *                                                                            *
 * Permission is hereby granted, free of charge, to any person obtaining a    *
 * copy of this software and associated documentation files (the "Software"), *
 * to deal in the Software without restriction, including without limitation  *
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,   *
 * and/or sell copies of the Software, and to permit persons to whom the      *
 * Software is furnished to do so, subject to the following conditions:       *
 *                                                                            *
 * The above copyright notice and this permission notice shall be included in *
 * all copies or substantial portions of the Software.                        *
 *                                                                            *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   *
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    *
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    *
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        *
 * DEALINGS IN THE SOFTWARE.                                                  *
 * ***************************************************************************/
#include "subscriber.h"

#include <iostream>

Subscriber::Subscriber( const std::string &client_id )
    : m_mqtt_client( client_id )
{

}

void Subscriber::connect( const std::string &hostname, int portnumber, const std::string &username, const std::string &password, const std::string &lwt_topic, const std::string &lwt_message )
{
    m_mqtt_client.connect( hostname, portnumber, osdev::components::mqtt::Credentials( username, password ), osdev::components::mqtt::mqtt_LWT( lwt_topic, lwt_message ) );
    std::cout << "Client state : " << m_mqtt_client.state() << std::endl;
}

void Subscriber::subscribe( const std::string &message_topic )
{
    m_mqtt_client.subscribe( message_topic, 1, [this](const osdev::components::mqtt::MqttMessage &message )
    {
        this->receive_data( message.topic(), message.payload() );
    });
}

void Subscriber::unsubscribe( const std::string &message_topic )
{
    m_mqtt_client.unsubscribe( message_topic, 1 );
}

void Subscriber::receive_data( const std::string &message_topic, const std::string &message_payload )
{
    std::cout << "[Subscriber::receive_data] - Received message : " << message_payload << " from topic : " << message_topic << std::endl;
}