/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright The KiCad Developers, see AUTHORS.TXT for contributors.
 *
 * 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 3
 * 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, you may find one here:
 * http://www.gnu.org/licenses/gpl-3.0.html
 * or you may search the http://www.gnu.org website for the version 3 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#include "project_git_utils.h"
#include "git_backend.h"

#include <wx/string.h>
#include <string_utils.h>

namespace KIGIT
{

git_repository* PROJECT_GIT_UTILS::GetRepositoryForFile( const char* aFilename )
{
    return GetGitBackend()->GetRepositoryForFile( aFilename );
}

int PROJECT_GIT_UTILS::CreateBranch( git_repository* aRepo, const wxString& aBranchName )
{
    return GetGitBackend()->CreateBranch( aRepo, aBranchName );
}

bool PROJECT_GIT_UTILS::RemoveVCS( git_repository*& aRepo, const wxString& aProjectPath,
                                  bool aRemoveGitDir, wxString* aErrors )
{
    return GetGitBackend()->RemoveVCS( aRepo, aProjectPath, aRemoveGitDir, aErrors );
}

wxString PROJECT_GIT_UTILS::GetCurrentHash( const wxString& aProjectFile, bool aShort )
{
    wxString result = wxT( "no hash" );
    git_repository* repo = PROJECT_GIT_UTILS::GetRepositoryForFile( TO_UTF8( aProjectFile ) );

    if( repo )
    {
        git_reference* head = nullptr;

    if( git_repository_head( &head, repo ) == 0 )
        {
            const git_oid* oid = git_reference_target( head );

            if( oid )
            {
                char buf[41];
                size_t len = aShort ? 8 : 41;
                git_oid_tostr( buf, len, oid );
                result = wxString::FromUTF8( buf );
            }

            git_reference_free( head );
        }

        git_repository_free( repo );
    }

    return result;
}

} // namespace KIGIT