/**
 * 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<eric@bktus.com> starting on May 12, 2021.
 *
 */

#include "advance/UnknownSignersChecker.h"

UnknownSignersChecker::UnknownSignersChecker(GpgFrontend::GpgContext *ctx,
                                             gpgme_verify_result_t result)
    : appPath(qApp->applicationDirPath()),
      settings(RESOURCE_DIR(appPath) + "/conf/gpgfrontend.ini"),
      mCtx(ctx),
      mResult(result) {}

void UnknownSignersChecker::start() {
  auto sign = mResult->signatures;
  bool canContinue = true;

  while (sign && canContinue) {
    switch (gpg_err_code(sign->status)) {
      case GPG_ERR_BAD_SIGNATURE:
        break;
      case GPG_ERR_NO_ERROR:
        if (!(sign->status & GPGME_SIGSUM_KEY_MISSING)) check_signer(sign);
        break;
      case GPG_ERR_NO_PUBKEY:

      case GPG_ERR_CERT_REVOKED:
      case GPG_ERR_SIG_EXPIRED:
      case GPG_ERR_KEY_EXPIRED:
        check_signer(sign);
        break;
      case GPG_ERR_GENERAL:
        canContinue = false;
        break;
      default:
        break;
    }
    sign = sign->next;
  }

  if (!unknownFprs.isEmpty()) {
    PubkeyGetter pubkeyGetter(mCtx, unknownFprs);
    pubkeyGetter.start();
    if (!pubkeyGetter.result()) {
    }
  }
}

void UnknownSignersChecker::check_signer(gpgme_signature_t sign) {
  auto key = mCtx->getKeyRefByFpr(sign->fpr);
  if (!key.good) {
    qDebug() << "Find Unknown FingerPrint " << sign->fpr;
    unknownFprs.append(sign->fpr);
  }
}