#include "string_helpers.h"

#include "cpp-base64/base64.h"

namespace BareMinimumCrypto {
	using namespace std;
	
	vector <uint8_t> copy_to_bytes (const string & s) {
		return vector <uint8_t> ((const uint8_t *)&s [0], (const uint8_t *)&s [s.size ()]);
	}
	
	string base64_encode (const vector <uint8_t> & v) {
		return ::base64_encode (string_view ((const char *)v.data (), v.size ()));
	}
	
	optional <vector <uint8_t>> b64_decode (const string & s) {
		try {
			const auto decoded = base64_decode (s);
			return copy_to_bytes (decoded);
		}
		catch (const exception &) {
			return nullopt;
		}
	}
}