// Steering Wheel Remote
//
// Douglas Thrift
//
// $Id$

#include <iostream>
#include <string>

#include <err.h>
#include <fcntl.h>
#include <sys/ioctl.h>

#include <common.hpp>
#include <fdstream.hpp>
#include <foreach.hpp>
#include <posix.hpp>
#include <regex.hpp>

int Usage(const std::string &program)
{
	std::cout << _B("Usage: ") << program << _B(" [-debug] [-device=device]") << std::endl;

	return 1;
}

int main(int argc, char *argv[])
{
	bool debug(false);
	std::string device;

	{
		Pcre::RegEx devicePath(_B("^-device=(/.+)$"));
		Pcre::RegEx deviceNumber(_B("^-device=([0-9]+)$"));
		Pcre::RegEx deviceName(_B("^-device=(.+)$"));

		_forall (int, index, 1, argc)
			if (argv[index] == _B("-debug"))
				debug = true;
			else if (Pcre::RegEx::Match match = devicePath(argv[index]))
				device = match[1];
			else if (Pcre::RegEx::Match match = deviceNumber(argv[index]))
				device = _B("/dev/uhid") + match[1];
			else if (Pcre::RegEx::Match match = deviceName(argv[index]))
				device = _B("/dev/") + match[1];
			else
				return Usage(argv[0]);
	}

	if (device.empty())
		return Usage(argv[0]);

//	if (!debug)
//		Posix::CheckError(::daemon(0, 0));

	ext::ifdstream uhid(Posix::CheckError(::open(device.c_str(), O_RDONLY)));
	char buffer[8];

	while (uhid.read(buffer, sizeof (buffer)))
		_forall (int, index, 0, 8)
			std::printf("0x%08x 0x%08x\n", buffer[3], ~buffer[4] - 0x4);

	return 0;
}