/*
 * Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
 * 
 * SPDX-License-Identifier: Apache-2.0 OR MIT
 *
 */

#include <ProjectUtils.h>

#include <QProcess>

namespace O3DE::ProjectManager
{
    namespace ProjectUtils
    {
        AZ::Outcome<QProcessEnvironment, QString> GetCommandLineProcessEnvironment()
        {
            // For CMake on Mac, if its installed through home-brew, then it will be installed
            // under /usr/local/bin, which may not be in the system PATH environment. 
            // Add that path for the command line process so that it will be able to locate
            // a home-brew installed version of CMake
            QProcessEnvironment currentEnvironment(QProcessEnvironment::systemEnvironment());
            QString pathValue = currentEnvironment.value("PATH");
            pathValue += ":/usr/local/bin";
            currentEnvironment.insert("PATH", pathValue);
            return AZ::Success(currentEnvironment);
        }

        AZ::Outcome<QString, QString> FindSupportedCompilerForPlatform()
        {
            QProcessEnvironment currentEnvironment(QProcessEnvironment::systemEnvironment());
            QString pathValue = currentEnvironment.value("PATH");
            pathValue += ":/usr/local/bin";
            currentEnvironment.insert("PATH", pathValue);

            // Validate that we have cmake installed first
            auto queryCmakeInstalled = ExecuteCommandResult("which", QStringList{ProjectCMakeCommand}, currentEnvironment);
            if (!queryCmakeInstalled.IsSuccess())
            {
                return AZ::Failure(QObject::tr("Unable to detect CMake on this host."));
            }
            QString cmakeInstalledPath = queryCmakeInstalled.GetValue().split("\n")[0];

            // Query the version of the installed cmake
            auto queryCmakeVersionQuery = ExecuteCommandResult(cmakeInstalledPath, QStringList{"-version"}, currentEnvironment);
            if (!queryCmakeVersionQuery.IsSuccess())
            {
                return AZ::Failure(QObject::tr("Unable to determine the version of CMake on this host."));
            }
            AZ_TracePrintf("Project Manager", "Cmake version %s detected.", queryCmakeVersionQuery.GetValue().split("\n")[0].toUtf8().constData());

            // Query for the version of xcodebuild (if installed)
            auto queryXcodeBuildVersion = ExecuteCommandResult("xcodebuild", QStringList{"-version"}, currentEnvironment);
            if (!queryCmakeInstalled.IsSuccess())
            {
                return AZ::Failure(QObject::tr("Unable to detect XCodeBuilder on this host."));
            }
            QString xcodeBuilderVersionNumber = queryXcodeBuildVersion.GetValue().split("\n")[0];
            AZ_TracePrintf("Project Manager", "XcodeBuilder version %s detected.", xcodeBuilderVersionNumber.toUtf8().constData());


            return AZ::Success(xcodeBuilderVersionNumber);
        }       
    } // namespace ProjectUtils
} // namespace O3DE::ProjectManager