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#include "cmakeprojectmanager.h"
#include "cmakeopenprojectwizard.h"
#include "cmakeprojectconstants.h"
#include "cmakeproject.h"
#include "cmakesettingspage.h"

#include <utils/synchronousprocess.h>

#include <coreplugin/icore.h>
#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/actionmanager/command.h>
#include <coreplugin/actionmanager/actioncontainer.h>
#include <projectexplorer/projectexplorer.h>
#include <QDateTime>

using namespace CMakeProjectManager::Internal;

CMakeManager::CMakeManager(CMakeSettingsPage *cmakeSettingsPage)
    : m_settingsPage(cmakeSettingsPage)
{
    ProjectExplorer::ProjectExplorerPlugin *projectExplorer = ProjectExplorer::ProjectExplorerPlugin::instance();
    connect(projectExplorer, SIGNAL(aboutToShowContextMenu(ProjectExplorer::Project*,ProjectExplorer::Node*)),
            this, SLOT(updateContextMenu(ProjectExplorer::Project*,ProjectExplorer::Node*)));

    Core::ActionContainer *mbuild =
            Core::ActionManager::actionContainer(ProjectExplorer::Constants::M_BUILDPROJECT);
    Core::ActionContainer *mproject =
            Core::ActionManager::actionContainer(ProjectExplorer::Constants::M_PROJECTCONTEXT);
    Core::ActionContainer *msubproject =
            Core::ActionManager::actionContainer(ProjectExplorer::Constants::M_SUBPROJECTCONTEXT);

    const Core::Context projectContext(CMakeProjectManager::Constants::PROJECTCONTEXT);

    m_runCMakeAction = new QAction(QIcon(), tr("Run CMake"), this);
    Core::Command *command = Core::ActionManager::registerAction(m_runCMakeAction,
                                                                 Constants::RUNCMAKE, projectContext);
    command->setAttribute(Core::Command::CA_Hide);
    mbuild->addAction(command, ProjectExplorer::Constants::G_BUILD_DEPLOY);
    connect(m_runCMakeAction, SIGNAL(triggered()), this, SLOT(runCMake()));

    m_runCMakeActionContextMenu = new QAction(QIcon(), tr("Run CMake"), this);
    command = Core::ActionManager::registerAction(m_runCMakeActionContextMenu,
                                                  Constants::RUNCMAKECONTEXTMENU, projectContext);
    command->setAttribute(Core::Command::CA_Hide);
    mproject->addAction(command, ProjectExplorer::Constants::G_PROJECT_BUILD);
    msubproject->addAction(command, ProjectExplorer::Constants::G_PROJECT_BUILD);
    connect(m_runCMakeActionContextMenu, SIGNAL(triggered()), this, SLOT(runCMakeContextMenu()));

}

void CMakeManager::updateContextMenu(ProjectExplorer::Project *project, ProjectExplorer::Node *node)
{
    Q_UNUSED(node);
    m_contextProject = project;
}

void CMakeManager::runCMake()
{
    runCMake(ProjectExplorer::ProjectExplorerPlugin::currentProject());
}

void CMakeManager::runCMakeContextMenu()
{
    runCMake(m_contextProject);
}

void CMakeManager::runCMake(ProjectExplorer::Project *project)
{
    if (!project)
        return;
    CMakeProject *cmakeProject = qobject_cast<CMakeProject *>(project);
    if (!cmakeProject || !cmakeProject->activeTarget() || !cmakeProject->activeTarget()->activeBuildConfiguration())
        return;

    if (!ProjectExplorer::ProjectExplorerPlugin::instance()->saveModifiedFiles())
        return;

    CMakeBuildConfiguration *bc
            = static_cast<CMakeBuildConfiguration *>(cmakeProject->activeTarget()->activeBuildConfiguration());

    CMakeBuildInfo info(bc);

    CMakeOpenProjectWizard copw(Core::ICore::mainWindow(), this, CMakeOpenProjectWizard::WantToUpdate, &info);
    if (copw.exec() == QDialog::Accepted)
        cmakeProject->parseCMakeLists();
}

ProjectExplorer::Project *CMakeManager::openProject(const QString &fileName, QString *errorString)
{
    if (!QFileInfo(fileName).isFile()) {
        if (errorString)
            *errorString = tr("Failed opening project \"%1\": Project is not a file")
                .arg(fileName);
        return 0;
    }

    return new CMakeProject(this, fileName);
}

QString CMakeManager::mimeType() const
{
    return QLatin1String(Constants::CMAKEPROJECTMIMETYPE);
}

QString CMakeManager::cmakeExecutable() const
{
    return m_settingsPage->cmakeExecutable();
}

bool CMakeManager::isCMakeExecutableValid() const
{
    return m_settingsPage->isCMakeExecutableValid();
}

void CMakeManager::setCMakeExecutable(const QString &executable)
{
    m_settingsPage->setCMakeExecutable(executable);
}

bool CMakeManager::hasCodeBlocksMsvcGenerator() const
{
    return m_settingsPage->hasCodeBlocksMsvcGenerator();
}

bool CMakeManager::hasCodeBlocksNinjaGenerator() const
{
    return m_settingsPage->hasCodeBlocksNinjaGenerator();
}

bool CMakeManager::preferNinja() const
{
    return m_settingsPage->preferNinja();
}

// need to refactor this out
// we probably want the process instead of this function
// cmakeproject then could even run the cmake process in the background, adding the files afterwards
// sounds like a plan
void CMakeManager::createXmlFile(Utils::QtcProcess *proc, const QString &arguments,
                                 const QString &sourceDirectory, const QDir &buildDirectory,
                                 const Utils::Environment &env, const QString &generator)
{
    QString buildDirectoryPath = buildDirectory.absolutePath();
    buildDirectory.mkpath(buildDirectoryPath);
    proc->setWorkingDirectory(buildDirectoryPath);
    proc->setEnvironment(env);

    const QString srcdir = buildDirectory.exists(QLatin1String("CMakeCache.txt")) ?
                QString(QLatin1Char('.')) : sourceDirectory;
    QString args;
    Utils::QtcProcess::addArg(&args, srcdir);
    Utils::QtcProcess::addArgs(&args, arguments);
    Utils::QtcProcess::addArg(&args, generator);
    proc->setCommand(cmakeExecutable(), args);
    proc->start();
}

QString CMakeManager::findCbpFile(const QDir &directory)
{
    // Find the cbp file
    //   the cbp file is named like the project() command in the CMakeList.txt file
    //   so this function below could find the wrong cbp file, if the user changes the project()
    //   2name
    QDateTime t;
    QString file;
    foreach (const QString &cbpFile , directory.entryList()) {
        if (cbpFile.endsWith(QLatin1String(".cbp"))) {
            QFileInfo fi(directory.path() + QLatin1Char('/') + cbpFile);
            if (t.isNull() || fi.lastModified() > t) {
                file = directory.path() + QLatin1Char('/') + cbpFile;
                t = fi.lastModified();
            }
        }
    }
    return file;
}