// Copyright (C) 2016 Openismus GmbH.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0

#include "configurestep.h"

#include "autotoolsprojectconstants.h"
#include "autotoolsprojectmanagertr.h"

#include <projectexplorer/abstractprocessstep.h>
#include <projectexplorer/buildstep.h>
#include <projectexplorer/processparameters.h>
#include <projectexplorer/project.h>
#include <projectexplorer/projectexplorerconstants.h>
#include <projectexplorer/target.h>

#include <utils/aspects.h>
#include <utils/qtcprocess.h>

using namespace ProjectExplorer;
using namespace Utils;

namespace AutotoolsProjectManager::Internal {

// ConfigureStep

///**
// * @brief Implementation of the ProjectExplorer::AbstractProcessStep interface.
// *
// * A configure step can be configured by selecting the "Projects" button of Qt
// * Creator (in the left hand side menu) and under "Build Settings".
// *
// * It is possible for the user to specify custom arguments. The corresponding
// * configuration widget is created by MakeStep::createConfigWidget and is
// * represented by an instance of the class MakeStepConfigWidget.
// */

class ConfigureStep final : public AbstractProcessStep
{
public:
    ConfigureStep(BuildStepList *bsl, Id id)
        : AbstractProcessStep(bsl, id)
    {
        arguments.setDisplayStyle(StringAspect::LineEditDisplay);
        arguments.setSettingsKey("AutotoolsProjectManager.ConfigureStep.AdditionalArguments");
        arguments.setLabelText(Tr::tr("Arguments:"));
        arguments.setHistoryCompleter("AutotoolsPM.History.ConfigureArgs");
        arguments.addOnChanged(this, [this] { m_runConfigure = true; });

        setCommandLineProvider([this] {
            return getCommandLine(arguments());
        });

        setSummaryUpdater([this] {
            ProcessParameters param;
            setupProcessParameters(&param);

            return param.summaryInWorkdir(displayName());
        });
    }

private:
    QtTaskTree::GroupItem runRecipe() final;

    CommandLine getCommandLine(const QString &arguments)
    {
        return {project()->projectDirectory() / "configure", arguments, CommandLine::Raw};
    }

    bool m_runConfigure = false;
    StringAspect arguments{this};
};

QtTaskTree::GroupItem ConfigureStep::runRecipe()
{
    using namespace QtTaskTree;

    const auto onSetup = [this] {
        // Check whether we need to run configure
        const FilePath configure = project()->projectDirectory() / "configure";
        const FilePath configStatus = buildDirectory() / "config.status";

        if (!configStatus.exists() || configStatus.lastModified() < configure.lastModified())
            m_runConfigure = true;

        if (!m_runConfigure) {
            emit addOutput(Tr::tr("Configuration unchanged, skipping configure step."), OutputFormat::NormalMessage);
            return SetupResult::StopWithSuccess;
        }

        ProcessParameters *param = processParameters();
        if (!param->effectiveCommand().exists()) {
            param->setCommandLine(getCommandLine(param->command().arguments()));
            setSummaryText(param->summaryInWorkdir(displayName()));
        }
        return SetupResult::Continue;
    };

    return Group {
        onGroupSetup(onSetup),
        onGroupDone([this] { m_runConfigure = false; }, CallDoneFlag::OnSuccess),
        defaultProcessTask()
    };
}

// ConfigureStepFactory

/**
 * @brief Implementation of the ProjectExplorer::IBuildStepFactory interface.
 *
 * The factory is used to create instances of ConfigureStep.
 */

class ConfigureStepFactory final : public BuildStepFactory
{
public:
    ConfigureStepFactory()
    {
        registerStep<ConfigureStep>(Constants::CONFIGURE_STEP_ID);
        setDisplayName(Tr::tr("Configure", "Display name for AutotoolsProjectManager::ConfigureStep id."));
        setSupportedProjectType(Constants::AUTOTOOLS_PROJECT_ID);
        setSupportedStepList(ProjectExplorer::Constants::BUILDSTEPS_BUILD);
    }
};

void setupConfigureStep()
{
    static ConfigureStepFactory theConfigureStepFactory;
}

} // AutotoolsProjectManager::Internal
