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/**
 * This file is part of GpgFrontend.
 *
 * GpgFrontend is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Foobar is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Foobar.  If not, see <https://www.gnu.org/licenses/>.
 *
 * The initial version of the source code is inherited from gpg4usb-team.
 * Their source code version also complies with GNU General Public License.
 *
 * The source code version of this software was modified and released
 * by Saturneric<[email protected]> starting on May 12, 2021.
 *
 */

#ifndef GPG_CONSTANTS_H
#define GPG_CONSTANTS_H

#define ELPP_DEFAULT_LOGGING_FLAGS 8192
#include <easyloggingpp/easylogging++.h>
#include <gpg-error.h>
#include <gpgme.h>

#include <cassert>
#include <functional>
#include <libconfig.h++>
#include <memory>
#include <string>

#include "GpgFrontend.h"

const int RESTART_CODE = 1000;

namespace GpgFrontend {

using ByteArray = std::string;
using ByteArrayPtr = std::unique_ptr<ByteArray>;
using StdBypeArrayPtr = std::unique_ptr<ByteArray>;
using BypeArrayRef = ByteArray&;
using BypeArrayConstRef = const ByteArray&;
using StringArgsPtr = std::unique_ptr<std::vector<std::string>>;
using StringArgsRef = std::vector<std::string>&;

using GpgError = gpgme_error_t;

// Result Deletor
struct _result_ref_deletor {
  void operator()(void* _result) {
    // if (_result != nullptr)
    //   gpgme_result_unref(_result);
  }
};

using GpgEncrResult =
    std::unique_ptr<struct _gpgme_op_encrypt_result, _result_ref_deletor>;
using GpgDecrResult =
    std::unique_ptr<struct _gpgme_op_decrypt_result, _result_ref_deletor>;
using GpgSignResult =
    std::unique_ptr<struct _gpgme_op_sign_result, _result_ref_deletor>;
using GpgVerifyResult =
    std::unique_ptr<struct _gpgme_op_verify_result, _result_ref_deletor>;

// Error Info Printer
GpgError check_gpg_error(GpgError err);
GpgError check_gpg_error(GpgError gpgmeError, const std::string& comment);
gpg_err_code_t check_gpg_error_2_err_code(
    gpgme_error_t err, gpgme_error_t predict = GPG_ERR_NO_ERROR);

// Fingerprint
std::string beautify_fingerprint(BypeArrayConstRef fingerprint);

// File Operation
std::string read_all_data_in_file(const std::string& path);
bool write_buffer_to_file(const std::string& path,
                          const std::string& out_buffer);

std::string get_file_extension(const std::string& path);
std::string get_only_file_name_with_path(const std::string& path);

// Check
int text_is_signed(BypeArrayRef text);

class GpgConstants {
 public:
  static const char* PGP_CRYPT_BEGIN;
  static const char* PGP_CRYPT_END;
  static const char* PGP_SIGNED_BEGIN;
  static const char* PGP_SIGNED_END;
  static const char* PGP_SIGNATURE_BEGIN;
  static const char* PGP_SIGNATURE_END;
  static const char* GPG_FRONTEND_SHORT_CRYPTO_HEAD;
};
}  // namespace GpgFrontend

#endif  // GPG_CONSTANTS_H