/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
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****************************************************************************/

#include "debuggerkitconfigwidget.h"

#include "debuggeritemmanager.h"
#include "debuggeritem.h"
#include "debuggerkitinformation.h"

#include <coreplugin/icore.h>

#include <projectexplorer/abi.h>
#include <projectexplorer/projectexplorerconstants.h>
#include <projectexplorer/toolchain.h>
#include <projectexplorer/toolchainmanager.h>

#include <utils/elidinglabel.h>
#include <utils/environment.h>
#include <utils/pathchooser.h>
#include <utils/persistentsettings.h>
#include <utils/qtcassert.h>

#include <QApplication>
#include <QComboBox>
#include <QDirIterator>
#include <QFileInfo>
#include <QFormLayout>
#include <QHeaderView>
#include <QLineEdit>
#include <QPushButton>
#include <QStandardItem>
#include <QStandardItemModel>
#include <QUuid>

using namespace ProjectExplorer;

namespace Debugger {
namespace Internal {

// -----------------------------------------------------------------------
// DebuggerKitConfigWidget
// -----------------------------------------------------------------------

DebuggerKitConfigWidget::DebuggerKitConfigWidget(Kit *workingCopy, const KitInformation *ki)
    : KitConfigWidget(workingCopy, ki)
{
    m_comboBox = new QComboBox;
    m_comboBox->setEnabled(true);

    refresh();
    connect(m_comboBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
            this, &DebuggerKitConfigWidget::currentDebuggerChanged);

    m_manageButton = new QPushButton(KitConfigWidget::msgManage());
    m_manageButton->setContentsMargins(0, 0, 0, 0);
    connect(m_manageButton, &QAbstractButton::clicked,
            this, &DebuggerKitConfigWidget::manageDebuggers);
}

DebuggerKitConfigWidget::~DebuggerKitConfigWidget()
{
    delete m_comboBox;
    delete m_manageButton;
}

QString DebuggerKitConfigWidget::toolTip() const
{
    return tr("The debugger to use for this kit.");
}

QString DebuggerKitConfigWidget::displayName() const
{
    return tr("Debugger:");
}

void DebuggerKitConfigWidget::makeReadOnly()
{
    m_manageButton->setEnabled(false);
    m_comboBox->setEnabled(false);
}

void DebuggerKitConfigWidget::refresh()
{
    m_ignoreChanges = true;
    m_comboBox->clear();
    m_comboBox->setToolTip(toolTip());
    m_comboBox->addItem(tr("None"), QString());
    for (const DebuggerItem &item : DebuggerItemManager::debuggers())
        m_comboBox->addItem(item.displayName(), item.id());

    const DebuggerItem *item = DebuggerKitInformation::debugger(m_kit);
    updateComboBox(item ? item->id() : QVariant());
    m_ignoreChanges = false;
}

QWidget *DebuggerKitConfigWidget::buttonWidget() const
{
    return m_manageButton;
}

QWidget *DebuggerKitConfigWidget::mainWidget() const
{
    return m_comboBox;
}

void DebuggerKitConfigWidget::manageDebuggers()
{
    Core::ICore::showOptionsDialog(ProjectExplorer::Constants::DEBUGGER_SETTINGS_PAGE_ID,
                                   buttonWidget());
}

void DebuggerKitConfigWidget::currentDebuggerChanged(int)
{
    if (m_ignoreChanges)
        return;

    int currentIndex = m_comboBox->currentIndex();
    QVariant id = m_comboBox->itemData(currentIndex);
    m_kit->setValue(DebuggerKitInformation::id(), id);
}

QVariant DebuggerKitConfigWidget::currentId() const
{
    return m_comboBox->itemData(m_comboBox->currentIndex());
}

void DebuggerKitConfigWidget::updateComboBox(const QVariant &id)
{
    for (int i = 0; i < m_comboBox->count(); ++i) {
        if (id == m_comboBox->itemData(i)) {
            m_comboBox->setCurrentIndex(i);
            return;
        }
    }
    m_comboBox->setCurrentIndex(0);
}

} // namespace Internal
} // namespace Debugger
