// HTTPRepository.hxx - plain HTTP TerraSync remote server client
//
// Copyright (C) 2016  James Turner <zakalawe@mac.com>
//
// This program 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 2 of the
// License, or (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.


#ifndef SG_IO_HTTP_REPOSITORY_HXX
#define SG_IO_HTTP_REPOSITORY_HXX

#include <memory>

#include <simgear/misc/sg_path.hxx>
#include <simgear/io/HTTPClient.hxx>

namespace simgear  {

class HTTPRepoPrivate;

class HTTPRepository
{
public:
    enum ResultCode {
        REPO_NO_ERROR = 0,
        REPO_ERROR_NOT_FOUND,
        REPO_ERROR_SOCKET,
        SVN_ERROR_XML,
        SVN_ERROR_TXDELTA,
        REPO_ERROR_IO,
        REPO_ERROR_CHECKSUM,
        REPO_ERROR_FILE_NOT_FOUND,
        REPO_ERROR_HTTP,
        REPO_ERROR_CANCELLED,
        REPO_PARTIAL_UPDATE
    };

    HTTPRepository(const SGPath& root, HTTP::Client* cl);
    virtual ~HTTPRepository();

    virtual SGPath fsBase() const;

    virtual void setBaseUrl(const std::string& url);
    virtual std::string baseUrl() const;

    virtual HTTP::Client* http() const;

    virtual void update();

    virtual bool isDoingSync() const;

    virtual ResultCode failure() const;

    virtual size_t bytesToDownload() const;

    virtual size_t bytesDownloaded() const;

    /**
     * optionally provide the location of an installer copy of this
     * repository. When a file is missing it will be copied from this tree.
     */
    void setInstalledCopyPath(const SGPath& copyPath);
    
    static std::string resultCodeAsString(ResultCode code);

private:
    bool isBare() const;

    std::unique_ptr<HTTPRepoPrivate> _d;
};

} // of namespace simgear

#endif // of HTTPRepository