/*
Copyright Contributors to the libdnf project.

This file is part of libdnf: https://github.com/rpm-software-management/libdnf/

Libdnf is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2.1 of the License, or
(at your option) any later version.

Libdnf 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with libdnf.  If not, see <https://www.gnu.org/licenses/>.
*/

#ifndef LIBDNF5_REPO_FILE_DOWNLOADER_HPP
#define LIBDNF5_REPO_FILE_DOWNLOADER_HPP

#include "file_downloader_errors.hpp"

#include "libdnf5/base/base_weak.hpp"
#include "libdnf5/conf/config_main.hpp"
#include "libdnf5/defs.h"
#include "libdnf5/repo/repo_weak.hpp"

#include <memory>

namespace libdnf5::repo {

class LIBDNF_API FileDownloader {
public:
    explicit FileDownloader(const libdnf5::BaseWeakPtr & base);
    explicit FileDownloader(libdnf5::Base & base);
    ~FileDownloader();

    /// Adds a file (URL) to download.
    /// @param repo The repository whose settings are to be used.
    /// @param url The file (url) to download.
    /// @param destination The file path to which to download the file.
    /// @param user_data User data.
    void add(
        libdnf5::repo::RepoWeakPtr & repo,
        const std::string & url,
        const std::string & destination,
        void * user_data = nullptr);

    /// Adds a file (URL) to download. The settings from ConfigMain passed in the FileDownloader constructor are used.
    /// @param url The file (url) to download.
    /// @param destination The file path to which to download the file.
    /// @param user_data User data.
    void add(const std::string & url, const std::string & destination, void * user_data = nullptr);

    /// Download the previously added files (URLs).
    void download();

    /// Configure whether to fail the whole download on a first error or keep downloading.
    /// @param value If true, download will fail on the first error, otherwise it continues.
    /// This is set to true by default.
    void set_fail_fast(bool value);

    /// Configure whether to try resuming the download if a destination package already exists.
    /// @param value If true, download is tried to be resumed, otherwise it starts over.
    /// This is set to true by default.
    void set_resume(bool value);

private:
    class LIBDNF_LOCAL Impl;
    std::unique_ptr<Impl> p_impl;
};

}  // namespace libdnf5::repo

#endif  // LIBDNF5_REPO_FILE_DOWNLOADER_HPP
