/******************************************************************************
 * This program reads bytes from a binary file and copies them to another file.
 * 
 * Copyright © 2021 Richard Lesh.  All rights reserved.
 *****************************************************************************/

#undef NDEBUG

#include "Utils.hpp"
#include <fstream>
#include <iostream>
#include <string>

using namespace Utils;
using namespace std;

void copy_binary_file(string from_filespec, string to_filespec) {
	ifstream ifh(filesystem::path(from_filespec).c_str(), ios_base::binary);
	ofstream ofh(filesystem::path(to_filespec).c_str(), ios_base::binary);
	if (!ifh.good()) {
		throw ios_base::failure("Problem opening input file!");
	}
	if (!ofh.good()) {
		throw ios_base::failure("Problem opening output file!");
	}
	unsigned char c;
	while (Utils::getbytes(ifh, c)) {
		ofh.put(c);
	}
	ifh.close();
	ofh.close();
}

int main(int argc, char **argv) {
	if (argc != 3) {
		cout << "Syntax: " << argv[0] << " {fromFilespec} {toFilespec}" << endl;
		exit(1);
	}
	string from_filespec(argv[1]);
	string to_filespec(argv[2]);
	try {
		copy_binary_file(from_filespec, to_filespec);
	} catch (ios_base::failure ex) {
		cout << "Error: " << Utils::exceptionMessage<char>(ex) << endl;
	}
	return 0;
}