#include <QFile>

#include <QFileInfo>

#include <QDomDocument>

#include <QDomElement>

#include <QDomNode>

#include <QMessageBox>

#include <QGroupBox>

#include <QtGlobal>

#include <QRegExp>

#include <QStringList>

#include <QGridLayout>

#include <QLabel>

#include <iostream>

using namespace std;

#include "AtAGlance.h"

AtAGlance::AtAGlance(QString filename, QWidget *parent)

        : QWidget(parent), ui(new Ui::BuildResultsForm)

{

    ui->setupUi(this);

    setAttribute(Qt::WA_DeleteOnClose);

    QFile file(filename);

    QFileInfo fi(file);

    this->setWindowTitle("Status " + fi.baseName());

    m_buildStatus = new BuildStatus();

    m_buildStatus->setTime(fi.lastModified());

    if (!file.open(QIODevice::ReadOnly)) {

        QMessageBox::warning(this, tr("Build Log Viewer"), tr("Cannot open log."));

        return ;

    }

    m_log = new QDomDocument("Build Log");

    if (!m_log->setContent(&file)) {

        QMessageBox::warning(this, tr("Build Log Viewer"), tr("Cannot set content."));

        file.close();

        return ;

    }

    file.close();

}

AtAGlance::~AtAGlance()

{

    delete m_log;

    delete m_buildStatus;

}

// Walk Dom tree.

void AtAGlance::traveAndPopulate()

{

    this->traveAndPopulate(m_log->documentElement());

}

void AtAGlance::traveAndPopulate(QDomElement e)

{

    QString name = e.tagName();

    if (e.isNull())

    {

        return;

    }

    //  if this is an info tags, look for

    //      <info>System Definition file sf/app/organizer/package_definition.xml</info>

    if (name.compare("info",Qt::CaseInsensitive)== 0 )

    {

        // example

        // System Definition file sf/app/organizer/package_definition.xml

        QRegExp re("System*package_definition.xml");

        re.setPatternSyntax(QRegExp::Wildcard);

        if (re.exactMatch( e.text() ) )

        {

            QRegExp reToken("*package_definition.xml");

            // Which regex syntax should be used? Wildcard is ...

            reToken.setPatternSyntax(QRegExp::Wildcard);

            QStringList tokens = e.text().split(" ");

            QStringList::const_iterator constIterator;

            for (constIterator = tokens.constBegin();

                    constIterator != tokens.constEnd();

                    ++constIterator)

            {

                if (reToken.exactMatch(*constIterator))

                {

                    m_buildStatus->setName((*constIterator).toLocal8Bit().constData());

                }

            }

        }

    }

    // if this is a status tag and the exit attribute is failed, the build failed.

    if (name.compare("status",Qt::CaseInsensitive)== 0 )

    {

        QString rc = e.attribute("exit");

        if (!rc.isEmpty() && (rc.compare("failed", Qt::CaseInsensitive) == 0))

        {

            m_buildStatus->setStatus(false);

        }

    }

    // unforunately, the build log isn't valid xml.  The recipe tag often contains

    // trace output from a shell program in addition to the status tag.  Sigh.

    // So this condition looks for the status tag in the body for the recipe tag.

    // here is what the status tag should look like:

    //   <status exit='ok' attempt='1' />

    if (name.compare("recipe",Qt::CaseInsensitive)== 0 )

    {

        QRegExp re("*status exit*fail*");

        re.setPatternSyntax(QRegExp::Wildcard); 

        if (re.exactMatch(e.text()))

        {

            m_buildStatus->setStatus(false);

        }

    }

    QString text_debug;

    QDomElement e1 = e.firstChild().toElement();

    name = e1.tagName();

    text_debug = e1.text();

    while(!e1.isNull())

    {

        this->traveAndPopulate(e1);

        e1 = e1.nextSibling().toElement();

        name = e1.tagName();

        text_debug = e1.text();

    }

}

void AtAGlance::decideOnLayout()

{

    // QHBoxLayout *hLayout = new QHBoxLayout(this);

    // QGroupBox *groupBox = new QGroupBox( "Synopsis of Build" );

    QGridLayout *layout = new QGridLayout(this);

    layout->addWidget(new QLabel("What: "), 1, 1);

    layout->addWidget(new QLabel(*m_buildStatus->name()),1,2);

    layout->addWidget(new QLabel("When: "), 2, 1);

    layout->addWidget(new QLabel(m_buildStatus->time()) ,2,2);

    layout->addWidget(new QLabel("Status: "), 3, 1);

    layout->addWidget(new QLabel(*m_buildStatus->status()),3,2);

    // hLayout->addWidget(layout);

}