/**
 * 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 "gpg/model/GpgKey.h"

GpgFrontend::GpgKey::GpgKey(gpgme_key_t &&key) : _key_ref(key, [&](gpgme_key_t key) { gpgme_key_release(key); }) {}

GpgFrontend::GpgKey::GpgKey(GpgKey &&k) noexcept {
    swap(_key_ref, k._key_ref);
}

GpgFrontend::GpgKey &GpgFrontend::GpgKey::operator=(GpgKey &&k) noexcept {
    swap(_key_ref, k._key_ref);
    return *this;
}

std::unique_ptr<std::vector<GpgFrontend::GpgSubKey>> GpgFrontend::GpgKey::subKeys() const {
    auto p_keys = std::make_unique<std::vector<GpgSubKey>>();
    auto next = _key_ref->subkeys;
    while (next != nullptr) {
        p_keys->push_back(std::move(GpgSubKey(next)));
        next = next->next;
    }
    return p_keys;
}

std::unique_ptr<std::vector<GpgFrontend::GpgUID>> GpgFrontend::GpgKey::uids() const {
    auto p_uids = std::make_unique<std::vector<GpgUID>>();
    auto uid_next = _key_ref->uids;
    while (uid_next != nullptr) {
        p_uids->push_back(std::move(GpgUID(uid_next)));
        uid_next = uid_next->next;
    }
    return p_uids;
}

bool GpgFrontend::GpgKey::canSignActual() const {
    auto subkeys = subKeys();
    if (std::any_of(subkeys->begin(), subkeys->end(), [](const GpgSubKey &subkey) -> bool {
        return subkey.secret() && subkey.can_sign() && !subkey.disabled() && !subkey.revoked() && !subkey.expired();
    }))
        return true;
    else return false;
}