#include "VStarCamRecorder.h"
#include "Util/Util.h"
#include <HttpClient.h>
#include <Logging.h>
#include <fstream>
#include <iostream>
#include <sstream>


namespace CameraRecorder {
namespace Recorder {

VStarCamRecorder::VStarCamRecorder(Http::HttpClient* pHttpClient, const Settings& settings, Util::RecorderMutexPointer pRecorderMutex) :
	Recorder(pRecorderMutex),
	m_pHttpClient(pHttpClient),
	m_settings(settings)
{
}

VStarCamRecorder::~VStarCamRecorder()
{
}

std::string VStarCamRecorder::Snapshot(ctpl::thread_pool* pThreadPool, const std::string& ffmpeg)
{
	Logging::Log(Logging::Severity::Debug, "VStarCamRecorder Snapshot");

	std::string folderName = GetFolderName(m_settings);
	if (!Util::FolderExists(folderName))
	{
		try
		{
			Util::CreateFolder(folderName);
		}
		catch (const std::exception& e)
		{
			std::cerr << "Exception caught" << std::endl;

			std::stringstream ss;
			ss << "Type : " << typeid(e).name() << std::endl;
			ss << "ERROR: " << e.what() << std::endl;

			Logging::Log(Logging::Severity::Error, ss.str());

			return std::string();
		}
	}

	//if (m_pRecorderMutex->IsRecording(m_settings.IpAddress))
	//	return std::string();

	std::string dateTimeString = Util::GetDateTimeString(true);
	std::string fileName = GetFileName(m_settings, "jpg", dateTimeString, 0);

	Http::HttpClient* pHttpClient = m_pHttpClient;
	Settings settings = m_settings;
	//Util::RecorderMutexPointer pRecorderMutex = m_pRecorderMutex;
	//pThreadPool->push( [pHttpClient, settings, dateTimeString, pRecorderMutex](int) {
	//	pRecorderMutex->RegisterRecording(settings.IpAddress);
		VStarCamRecorder::Snapshots(pHttpClient, settings, dateTimeString, 1);
	//	pRecorderMutex->UnregisterRecording(settings.IpAddress);
	//} );

	return fileName;
}

std::string VStarCamRecorder::MultiSnapshot(ctpl::thread_pool* pThreadPool, const std::string& ffmpeg, int numberOfImages)
{
	Logging::Log(Logging::Severity::Debug, "VStarCamRecorder MultiSnapshot");

	std::string folderName = GetFolderName(m_settings);
	if (!Util::FolderExists(folderName))
	{
		try
		{
			Util::CreateFolder(folderName);
		}
		catch (const std::exception& e)
		{
			std::cerr << "Exception caught" << std::endl;

			std::stringstream ss;
			ss << "Type : " << typeid(e).name() << std::endl;
			ss << "ERROR: " << e.what() << std::endl;

			Logging::Log(Logging::Severity::Error, ss.str());

			return std::string();
		}
	}

	if (m_pRecorderMutex->IsRecording(m_settings.IpAddress))
	{
		Logging::Log(Logging::Severity::Debug, "VStarCamRecorder MultiSnapshot Cancelled, Recording in progress");
		return std::string();
	}

	std::string dateTimeString = Util::GetDateTimeString(true);
	std::string fileName = GetFileName(m_settings, "jpg", dateTimeString, 0);

	Http::HttpClient* pHttpClient = m_pHttpClient;
	Settings settings = m_settings;
	Util::RecorderMutexPointer pRecorderMutex = m_pRecorderMutex;
	pThreadPool->push( [pHttpClient, settings, dateTimeString, numberOfImages, pRecorderMutex](int) {
		pRecorderMutex->RegisterRecording(settings.IpAddress);
		VStarCamRecorder::Snapshots(pHttpClient, settings, dateTimeString, numberOfImages);
		pRecorderMutex->UnregisterRecording(settings.IpAddress);
	} );

	return fileName;
}

std::string VStarCamRecorder::Video(ctpl::thread_pool* pThreadPool, const std::string& ffmpeg)
{
	Logging::Log(Logging::Severity::Debug, "VStarCamRecorder Video");
	int port = 10554;

	std::stringstream url;
	url << "rtsp://" << m_settings.Username << ":" << m_settings.Password << "@" << m_settings.IpAddress << ":" << port << "/udp/av0_0";

	std::string folderName = GetFolderName(m_settings);
	if (!Util::FolderExists(folderName))
	{
		try
		{
			Util::CreateFolder(folderName);
		}
		catch (const std::exception& e)
		{
			std::cerr << "Exception caught" << std::endl;

			std::stringstream ss;
			ss << "Type : " << typeid(e).name() << std::endl;
			ss << "ERROR: " << e.what() << std::endl;

			Logging::Log(Logging::Severity::Error, ss.str());

			return std::string();
		}
	}

	if (m_pRecorderMutex->IsRecording(m_settings.IpAddress))
	{
		Logging::Log(Logging::Severity::Debug, "VStarCamRecorder Video Cancelled, Recording in progress");
		return std::string();
	}

	std::string dateTimeString = Util::GetDateTimeString(true);
	std::string fileName = GetFileName(m_settings, "mp4", dateTimeString, 0);

	std::stringstream command;
	command << ffmpeg << " -i \"" << url.str() << "\" -t 30 -timeout 60 -c:v copy -c:a aac -strict experimental " << fileName << " > /dev/null 2>&1 ; " << ffmpeg << " -i " << fileName << " -vf \"select=eq(n\\,0)\" -q:v 3 " << fileName << ".jpg > /dev/null 2>&1";

	std::string cmd(command.str());
	Logging::Log(Logging::Severity::Debug, cmd);
	Settings settings = m_settings;
	Util::RecorderMutexPointer pRecorderMutex = m_pRecorderMutex;
	pThreadPool->push( [cmd, settings, pRecorderMutex](int) {
		pRecorderMutex->RegisterRecording(settings.IpAddress);
		int retval = std::system(cmd.c_str());
		pRecorderMutex->UnregisterRecording(settings.IpAddress);
	} );

	return fileName;
}

std::string VStarCamRecorder::GetFolderName(const Settings& settings)
{
	filesystem::path fileLocation(settings.Path);
	fileLocation = fileLocation / filesystem::path(settings.IpAddress);

	return fileLocation.str();
}

std::string VStarCamRecorder::GetFileName(const Settings& settings, const std::string& extension, const std::string& dateTimeString, int imageIndex)
{
	filesystem::path fileLocation(GetFolderName(settings));

	std::string fileName = std::string("VSTA000000XXXXX_0_").append(dateTimeString).append("_").append(std::to_string(imageIndex)).append(".").append(extension);
	filesystem::path fullFileName = fileLocation / filesystem::path(fileName);

	return fullFileName.str();
}

void VStarCamRecorder::Snapshots(Http::HttpClient* pHttpClient, const Settings& settings, std::string dateTimeString, int numberOfImages)
{
	for (int i = 0; i < numberOfImages; ++i)
		VStarCamRecorder::Snapshot(pHttpClient, settings, VStarCamRecorder::GetFileName(settings, "jpg", dateTimeString, i));
}

void VStarCamRecorder::Snapshot(Http::HttpClient* pHttpClient, const Settings& settings, const filesystem::path& fileName)
{
	std::stringstream url;
	url << "http://" << settings.Username << ":" << settings.Password << "@" << settings.IpAddress << ":" << settings.Port << "/img/snapshot.cgi?res=0";

	try
	{
		std::ofstream file(fileName.str());
		Http::HttpRequest request(url.str());
		file << pHttpClient->Open(request);
		file.close();
	}
	catch (const std::exception& e)
	{
		std::stringstream ss;
		ss << "VStarCamRecorder::Snapshot() - Error: " << e.what() << std::endl;
		Logging::Log(Logging::Severity::Error, ss.str());
	}
}

} // namespace Recorder
} // namespace CameraRecorder