#include "WatchBotRecorder.h"
#include "Util.h"
#include <HttpClient.h>
#include <JpegImageCollection.h>
#include <Logging.h>
#include <filesystem/path.h>
#include <fstream>
#include <sstream>
#include <vector>


namespace CameraRecorder {
namespace Recorder {

WatchBotRecorder::WatchBotRecorder(Http::HttpClient* pHttpClient, const Settings& settings) :
	m_pHttpClient(pHttpClient),
	m_settings(settings)
{
}

WatchBotRecorder::~WatchBotRecorder()
{
}

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

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

	Http::HttpClient* pHttpClient = m_pHttpClient;
	Settings settings = m_settings;
	WatchBotRecorder::Snapshots(pHttpClient, settings, dateTimeString, 1);

	return fileName;
}

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

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

	Http::HttpClient* pHttpClient = m_pHttpClient;
	Settings settings = m_settings;
	pThreadPool->push( [pHttpClient, settings, dateTimeString, numberOfImages](int) { WatchBotRecorder::Snapshots(pHttpClient, settings, dateTimeString, numberOfImages); } );

	return fileName;
}

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

	std::stringstream url;
	url << "http://" << m_settings.IpAddress << ":" << m_settings.Port << "/videostream.asf?user=" << m_settings.Username << "&pwd=" << m_settings.Password;

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

	std::stringstream command;
	command << ffmpeg << " -i \"" << url.str() << "\" -t 30 -c:v libx264 -pix_fmt yuv420p -profile:v main -level:v 3.1 -c:a aac -strict experimental " << fileName << " > /dev/null 2>&1";

	std::string cmd(command.str());
	Logging::Log(Logging::Severity::Debug, cmd);
	pThreadPool->push( [cmd](int) { int retval = std::system(cmd.c_str()); } );

	return fileName;
}

std::string WatchBotRecorder::GetFileName(const Settings& settings, const std::string& extension, const std::string& dateTimeString)
{
	filesystem::path fileLocation(settings.Path);
	fileLocation = fileLocation / filesystem::path(settings.IpAddress);

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

	return fullFileName.str();
}

void WatchBotRecorder::Snapshots(Http::HttpClient* pHttpClient, const Settings& settings, std::string dateTimeString, int numberOfImages)
{
	std::vector<Image::JpegImage> images;

	for (int i = 0; i < numberOfImages; ++i)
		images.push_back(WatchBotRecorder::Snapshot(pHttpClient, settings));

	Image::JpegImageCollection collection(images);
	collection.Save(WatchBotRecorder::GetFileName(settings, "jpg", dateTimeString));
}

Image::JpegImage WatchBotRecorder::Snapshot(Http::HttpClient* pHttpClient, const Settings& settings)
{
	std::stringstream url;
	url << "http://" << settings.IpAddress << ":" << settings.Port << "/snapshot.cgi?user=" << settings.Username << "&pwd=" << settings.Password;

	Image::JpegImage image;

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

	return image;
}

} // namespace Recorder
} // namespace CameraRecorder