/**************************************************************************
**
** Copyright (C) 2013 Openismus GmbH.
** Authors: Peter Penz (ppenz@openismus.com)
**          Patricia Santana Cruz (patriciasantanacruz@gmail.com)
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
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** accordance with the commercial license agreement provided with the
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** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** rights.  These rights are described in the Digia Qt LGPL Exception
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****************************************************************************/

#include "autotoolsbuildconfiguration.h"
#include "autotoolsbuildsettingswidget.h"
#include "makestep.h"
#include "autotoolsproject.h"
#include "autotoolsprojectconstants.h"
#include "autogenstep.h"
#include "autoreconfstep.h"
#include "configurestep.h"

#include <coreplugin/icore.h>
#include <coreplugin/mimedatabase.h>
#include <projectexplorer/buildinfo.h>
#include <projectexplorer/buildsteplist.h>
#include <projectexplorer/kitinformation.h>
#include <projectexplorer/projectexplorerconstants.h>
#include <projectexplorer/target.h>
#include <projectexplorer/toolchain.h>
#include <qtsupport/customexecutablerunconfiguration.h>
#include <utils/qtcassert.h>

#include <QFileInfo>
#include <QInputDialog>

using namespace AutotoolsProjectManager;
using namespace AutotoolsProjectManager::Constants;
using namespace Internal;
using namespace ProjectExplorer;
using namespace ProjectExplorer::Constants;

//////////////////////////////////////
// AutotoolsBuildConfiguration class
//////////////////////////////////////
AutotoolsBuildConfiguration::AutotoolsBuildConfiguration(ProjectExplorer::Target *parent)
    : BuildConfiguration(parent, Core::Id(AUTOTOOLS_BC_ID))
{ }

NamedWidget *AutotoolsBuildConfiguration::createConfigWidget()
{
    return new AutotoolsBuildSettingsWidget(this);
}

AutotoolsBuildConfiguration::AutotoolsBuildConfiguration(ProjectExplorer::Target *parent, const Core::Id id)
    : BuildConfiguration(parent, id)
{ }

AutotoolsBuildConfiguration::AutotoolsBuildConfiguration(ProjectExplorer::Target *parent,
                                                         AutotoolsBuildConfiguration *source)
    : BuildConfiguration(parent, source)
{
    cloneSteps(source);
}

//////////////////////////////////////
// AutotoolsBuildConfiguration class
//////////////////////////////////////
AutotoolsBuildConfigurationFactory::AutotoolsBuildConfigurationFactory(QObject *parent) :
    IBuildConfigurationFactory(parent)
{
}

bool AutotoolsBuildConfigurationFactory::canCreate(const Target *parent) const
{
    return canHandle(parent);
}

QList<BuildInfo *> AutotoolsBuildConfigurationFactory::availableBuilds(const Target *parent) const
{
    QList<BuildInfo *> result;
    QTC_ASSERT(canCreate(parent), return result);

    result << createBuildInfo(parent->kit(),
                              Utils::FileName::fromString(parent->project()->projectDirectory()));
    return result;
}

bool AutotoolsBuildConfigurationFactory::canSetup(const Kit *k, const QString &projectPath) const
{
    return k && Core::MimeDatabase::findByFile(QFileInfo(projectPath))
            .matchesType(QLatin1String(Constants::MAKEFILE_MIMETYPE));
}

QList<BuildInfo *> AutotoolsBuildConfigurationFactory::availableSetups(const Kit *k, const QString &projectPath) const
{
    QList<BuildInfo *> result;
    QTC_ASSERT(canSetup(k, projectPath), return result);
    BuildInfo *info = createBuildInfo(k,
                                      Utils::FileName::fromString(AutotoolsProject::defaultBuildDirectory(projectPath)));
    //: The name of the build configuration created by default for a autotools project.
    info->displayName = tr("Default");
    result << info;
    return result;
}

BuildConfiguration *AutotoolsBuildConfigurationFactory::create(Target *parent, const BuildInfo *info) const
{
    QTC_ASSERT(parent, return 0);
    QTC_ASSERT(info->factory() == this, return 0);
    QTC_ASSERT(info->kitId == parent->kit()->id(), return 0);
    QTC_ASSERT(!info->displayName.isEmpty(), return 0);

    AutotoolsBuildConfiguration *bc = new AutotoolsBuildConfiguration(parent);
    bc->setDisplayName(info->displayName);
    bc->setDefaultDisplayName(info->displayName);
    bc->setBuildDirectory(info->buildDirectory);

    BuildStepList *buildSteps = bc->stepList(Core::Id(BUILDSTEPS_BUILD));

    // ### Build Steps Build ###
    // autogen.sh or autoreconf
    QFile autogenFile(parent->project()->projectDirectory() + QLatin1String("/autogen.sh"));
    if (autogenFile.exists()) {
        AutogenStep *autogenStep = new AutogenStep(buildSteps);
        buildSteps->insertStep(0, autogenStep);
    } else {
        AutoreconfStep *autoreconfStep = new AutoreconfStep(buildSteps);
        autoreconfStep->setAdditionalArguments(QLatin1String("--force --install"));
        buildSteps->insertStep(0, autoreconfStep);
    }

    // ./configure.
    ConfigureStep *configureStep = new ConfigureStep(buildSteps);
    buildSteps->insertStep(1, configureStep);

    // make
    MakeStep *makeStep = new MakeStep(buildSteps);
    buildSteps->insertStep(2, makeStep);
    makeStep->setBuildTarget(QLatin1String("all"),  /*on =*/ true);

    // ### Build Steps Clean ###
    BuildStepList *cleanSteps = bc->stepList(Core::Id(BUILDSTEPS_CLEAN));
    MakeStep *cleanMakeStep = new MakeStep(cleanSteps);
    cleanMakeStep->setAdditionalArguments(QLatin1String("clean"));
    cleanMakeStep->setClean(true);
    cleanSteps->insertStep(0, cleanMakeStep);

    return bc;
}

bool AutotoolsBuildConfigurationFactory::canHandle(const Target *t) const
{
    QTC_ASSERT(t, return false);

    if (!t->project()->supportsKit(t->kit()))
        return false;
    return t->project()->id() == Constants::AUTOTOOLS_PROJECT_ID;
}

BuildInfo *AutotoolsBuildConfigurationFactory::createBuildInfo(const ProjectExplorer::Kit *k,
                                                               const Utils::FileName &buildDir) const
{
    BuildInfo *info = new BuildInfo(this);
    info->typeName = tr("Build");
    info->buildDirectory = buildDir;
    info->kitId = k->id();
    info->supportsShadowBuild = true; // Works sometimes...

    return info;
}

bool AutotoolsBuildConfigurationFactory::canClone(const Target *parent, BuildConfiguration *source) const
{
    if (!canHandle(parent))
        return false;
    return source->id() == AUTOTOOLS_BC_ID;
}

AutotoolsBuildConfiguration *AutotoolsBuildConfigurationFactory::clone(Target *parent, BuildConfiguration *source)
{
    if (!canClone(parent, source))
        return 0;

    AutotoolsBuildConfiguration *origin = static_cast<AutotoolsBuildConfiguration *>(source);
    return new AutotoolsBuildConfiguration(parent, origin);
}

bool AutotoolsBuildConfigurationFactory::canRestore(const Target *parent, const QVariantMap &map) const
{
    if (!canHandle(parent))
        return false;
    return idFromMap(map) == AUTOTOOLS_BC_ID;
}

AutotoolsBuildConfiguration *AutotoolsBuildConfigurationFactory::restore(Target *parent, const QVariantMap &map)
{
    if (!canRestore(parent, map))
        return 0;
    AutotoolsBuildConfiguration *bc = new AutotoolsBuildConfiguration(parent);
    if (bc->fromMap(map))
        return bc;
    delete bc;
    return 0;
}

BuildConfiguration::BuildType AutotoolsBuildConfiguration::buildType() const
{
    // TODO: Should I return something different from Unknown?
    return Unknown;
}