/*
 * Copyright (c) 2019-2020 Adubbz, Atmosphère-NX
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once
#include <stratosphere.hpp>

namespace ams::ncm {

    class ContentMetaDatabaseImplBase : public IContentMetaDatabase {
        NON_COPYABLE(ContentMetaDatabaseImplBase);
        NON_MOVEABLE(ContentMetaDatabaseImplBase);
        protected:
            using ContentMetaKeyValueStore = ams::kvdb::MemoryKeyValueStore<ContentMetaKey>;
        protected:
            ContentMetaKeyValueStore *kvs;
            char mount_name[16];
            bool disabled;
        protected:
            ContentMetaDatabaseImplBase(ContentMetaKeyValueStore *kvs) : kvs(kvs), disabled(false) { /* ... */ }

            ContentMetaDatabaseImplBase(ContentMetaKeyValueStore *kvs, const char *mount_name) : ContentMetaDatabaseImplBase(kvs) {
                std::strcpy(this->mount_name, mount_name);
            }
        protected:
            Result EnsureEnabled() {
                R_UNLESS(!this->disabled, ncm::ResultInvalidContentMetaDatabase());
                return ResultSuccess();
            }

            Result FindContentMetaKeyValue(ContentMetaKeyValueStore::Entry **out_entry, const ContentMetaKey &key) {
                const auto it = this->kvs->lower_bound(key);
                R_UNLESS(it != this->kvs->end(), ncm::ResultContentMetaNotFound());
                R_UNLESS(it->GetKey().id == key.id, ncm::ResultContentMetaNotFound());
                *out_entry = it;
                return ResultSuccess();
            }
    };

}