/**

  * DJM-Fix

  * Copyright © 2020 František Kučera (Frantovo.cz, GlobalCode.info)

  *

  * 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 3 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, see <http://www.gnu.org/licenses/>.

  */

 #include <iostream>

 #include <iomanip>

 #include <thread>

 #include <atomic>

 #include <chrono>

 #include <stdexcept>

 #include "DJMFix.h"

 namespace djmfix {

 class DJMFixImpl : public DJMFix {

 private:

 	MidiSender* midiSender;

 	std::thread keepAliveThread;

 	std::atomic<bool> running{false};

 	std::atomic<bool> stopped{false};

 	void run() {

 		while (!stopped) {

 			std::cerr << "DJMFixImpl::run()" << std::endl; // TODO: do not mess STDIO

 			// TODO: send keep-alive messages

 			std::this_thread::sleep_for(std::chrono::milliseconds(200));

 		}

 	}

 	// TODO: remove

 	std::string toString(const MidiMessage& midiMessage) {

 		std::stringstream result;

 		for (uint8_t b : midiMessage) result << std::hex << std::setw(2) << std::setfill('0') << (int) b;

 		return result.str();

 	}

 public:

 	virtual ~DJMFixImpl() override {

 		std::cerr << "~DJMFixImpl()" << std::endl; // TODO: do not mess STDIO

 		if (running) stop();

 	}

 	void setMidiSender(MidiSender* midiSender) {

 		std::cerr << "DJMFixImpl::setMidiSender()" << std::endl; // TODO: do not mess STDIO

 		this->midiSender = midiSender;

 	}

 	virtual void receive(MidiMessage midiMessage) override {

 		std::cerr << "DJMFixImpl::receive(): size = " << midiMessage.size() << " data = " << toString(midiMessage) << std::endl; // TODO: do not mess STDIO

 		if (midiMessage.size() == 54 && midiMessage[9] == 0x13) {

 			std::cerr << "DJMFixImpl::receive(): got message with HashA and SeedE" << std::endl; // TODO: do not mess STDIO

 		}

 	}

 	void start() override {

 		std::cerr << "DJMFixImpl::start()" << std::endl; // TODO: do not mess STDIO

 		if (midiSender == nullptr) throw std::logic_error("need a midiSender when starting DJMFix");

 		// TODO: methods for parsing and constructing messages from parts (TLV)

 		midiSender->send({0xf0, 0x00, 0x40, 0x05, 0x00, 0x00, 0x00, 0x17, 0x00, 0x50, 0x01, 0xf7});

 		std::this_thread::sleep_for(std::chrono::milliseconds(10));

 		midiSender->send({0xf0, 0x00, 0x40, 0x05, 0x00, 0x00, 0x00, 0x17, 0x00, 0x12, 0x2a, 0x01, 0x0b, 0x50, 0x69, 0x6f, 0x6e, 0x65, 0x65, 0x72, 0x44, 0x4a, 0x02, 0x0b, 0x72, 0x65, 0x6b, 0x6f, 0x72, 0x64, 0x62, 0x6f, 0x78, 0x03, 0x12, 0x02, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x04, 0x08, 0x00, 0x00, 0x00, 0x00, 0xf7});

 		keepAliveThread = std::thread(&DJMFixImpl::run, this);

 		running = true;

 	}

 	void stop() override {

 		stopped = true;

 		keepAliveThread.join();

 		running = false;

 		std::cerr << "DJMFixImpl::stop()" << std::endl; // TODO: do not mess STDIO

 	}

 };

 DJMFix* create() {

 	return new DJMFixImpl();

 }

 }