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

#include "runsettingspropertiespage.h"

#include "addrunconfigdialog.h"
#include "buildmanager.h"
#include "buildstepspage.h"
#include "deployconfiguration.h"
#include "projectconfigurationmodel.h"
#include "projectexplorerconstants.h"
#include "projectexplorertr.h"
#include "runconfiguration.h"
#include "target.h"

#include <coreplugin/session.h>

#include <utils/algorithm.h>
#include <utils/guiutils.h>
#include <utils/qtcassert.h>
#include <utils/stringutils.h>
#include <utils/stylehelper.h>

#include <QAction>
#include <QComboBox>
#include <QGridLayout>
#include <QInputDialog>
#include <QLabel>
#include <QMenu>
#include <QMessageBox>
#include <QPushButton>
#include <QSpacerItem>
#include <QWidget>

namespace ProjectExplorer {
namespace Internal {

// RunSettingsWidget

RunSettingsWidget::RunSettingsWidget(Target *target) :
    m_target(target)
{
    Q_ASSERT(m_target);

    m_deployConfigurationCombo = new QComboBox(this);
    Utils::setWheelScrollingWithoutFocusBlocked(m_deployConfigurationCombo);
    m_addDeployToolButton = new QPushButton(Tr::tr("Add"), this);
    m_removeDeployToolButton = new QPushButton(Tr::tr("Remove"), this);
    m_renameDeployButton = new QPushButton(Tr::tr("Rename..."), this);

    auto deployWidget = new QWidget(this);

    m_runConfigurationCombo = new QComboBox(this);
    m_runConfigurationCombo->setSizeAdjustPolicy(QComboBox::AdjustToContents);
    m_runConfigurationCombo->setMinimumContentsLength(15);
    Utils::setWheelScrollingWithoutFocusBlocked(m_runConfigurationCombo);

    m_addRunToolButton = new QPushButton(Tr::tr("Add..."), this);
    m_removeRunToolButton = new QPushButton(Tr::tr("Remove"), this);
    m_removeAllRunConfigsButton = new QPushButton(Tr::tr("Remove All"), this);
    m_renameRunButton = new QPushButton(Tr::tr("Rename..."), this);
    m_cloneRunButton = new QPushButton(Tr::tr("Clone..."), this);

    auto spacer1 = new QSpacerItem(10, 10, QSizePolicy::Expanding, QSizePolicy::Minimum);
    auto spacer2 = new QSpacerItem(10, 10, QSizePolicy::Minimum, QSizePolicy::Expanding);

    auto runWidget = new QWidget(this);

    auto deployTitle = new QLabel(Tr::tr("Deployment"), this);
    auto deployLabel = new QLabel(Tr::tr("Method:"), this);
    auto runTitle = new QLabel(Tr::tr("Run"), this);
    auto runLabel = new QLabel(Tr::tr("Run configuration:"), this);

    runLabel->setBuddy(m_runConfigurationCombo);

    const QFont f = Utils::StyleHelper::uiFont(Utils::StyleHelper::UiElementH4);
    runTitle->setFont(f);
    deployTitle->setFont(f);

    m_gridLayout = new QGridLayout(this);
    m_gridLayout->setContentsMargins(0, 20, 0, 0);
    m_gridLayout->setHorizontalSpacing(6);
    m_gridLayout->setVerticalSpacing(8);
    m_gridLayout->addWidget(deployTitle, 0, 0, 1, -1);
    m_gridLayout->addWidget(deployLabel, 1, 0, 1, 1);
    m_gridLayout->addWidget(m_deployConfigurationCombo, 1, 1, 1, 1);
    m_gridLayout->addWidget(m_addDeployToolButton, 1, 2, 1, 1);
    m_gridLayout->addWidget(m_removeDeployToolButton, 1, 3, 1, 1);
    m_gridLayout->addWidget(m_renameDeployButton, 1, 4, 1, 1);
    m_gridLayout->addWidget(deployWidget, 2, 0, 1, -1);

    m_gridLayout->addWidget(runTitle, 3, 0, 1, -1);
    m_gridLayout->addWidget(runLabel, 4, 0, 1, 1);
    m_gridLayout->addWidget(m_runConfigurationCombo, 4, 1, 1, 1);
    m_gridLayout->addWidget(m_addRunToolButton, 4, 2, 1, 1);
    m_gridLayout->addWidget(m_removeRunToolButton, 4, 3, 1, 1);
    m_gridLayout->addWidget(m_removeAllRunConfigsButton, 4, 4, 1, 1);
    m_gridLayout->addWidget(m_renameRunButton, 4, 5, 1, 1);
    m_gridLayout->addWidget(m_cloneRunButton, 4, 6, 1, 1);
    m_gridLayout->addItem(spacer1, 4, 7, 1, 1);
    m_gridLayout->addWidget(runWidget, 5, 0, 1, -1);
    m_gridLayout->addItem(spacer2, 6, 0, 1, 1);

    // deploy part
    deployWidget->setContentsMargins(0, 10, 0, 25);
    m_deployLayout = new QVBoxLayout(deployWidget);
    m_deployLayout->setContentsMargins(0, 0, 0, 0);
    m_deployLayout->setSpacing(5);

    m_deployConfigurationCombo->setModel(m_target->deployConfigurationModel());

    m_addDeployMenu = new QMenu(m_addDeployToolButton);
    m_addDeployToolButton->setMenu(m_addDeployMenu);

    updateDeployConfiguration(m_target->activeDeployConfiguration());

    // Some projects may not support deployment, so we need this:
    m_addDeployToolButton->setEnabled(m_target->activeDeployConfiguration());
    m_deployConfigurationCombo->setEnabled(m_target->activeDeployConfiguration());

    m_removeDeployToolButton->setEnabled(m_target->deployConfigurations().count() > 1);
    m_renameDeployButton->setEnabled(m_target->activeDeployConfiguration());

    connect(m_addDeployMenu, &QMenu::aboutToShow,
            this, &RunSettingsWidget::aboutToShowDeployMenu);
    connect(m_deployConfigurationCombo, &QComboBox::currentIndexChanged,
            this, &RunSettingsWidget::currentDeployConfigurationChanged);
    connect(m_removeDeployToolButton, &QAbstractButton::clicked,
            this, &RunSettingsWidget::removeDeployConfiguration);
    connect(m_renameDeployButton, &QAbstractButton::clicked,
            this, &RunSettingsWidget::renameDeployConfiguration);

    connect(m_target, &Target::activeDeployConfigurationChanged,
            this, &RunSettingsWidget::activeDeployConfigurationChanged);

    // run part
    runWidget->setContentsMargins(0, 10, 0, 0);
    m_runLayout = new QVBoxLayout(runWidget);
    m_runLayout->setContentsMargins(0, 0, 0, 0);
    m_runLayout->setSpacing(5);

    m_disabledText = new Utils::InfoLabel({}, Utils::InfoLabel::Warning);
    m_runLayout->addWidget(m_disabledText);

    ProjectConfigurationModel *model = m_target->runConfigurationModel();
    RunConfiguration *rc = m_target->activeRunConfiguration();
    m_runConfigurationCombo->setModel(model);
    m_runConfigurationCombo->setCurrentIndex(model->indexFor(rc));

    updateRemoveToolButtons();
    m_renameRunButton->setEnabled(rc);
    m_cloneRunButton->setEnabled(rc);

    setConfigurationWidget(rc);

    connect(m_addRunToolButton, &QAbstractButton::clicked,
            this, &RunSettingsWidget::showAddRunConfigDialog);
    connect(m_runConfigurationCombo, &QComboBox::currentIndexChanged,
            this, &RunSettingsWidget::currentRunConfigurationChanged);
    connect(m_removeRunToolButton, &QAbstractButton::clicked,
            this, &RunSettingsWidget::removeRunConfiguration);
    connect(m_removeAllRunConfigsButton, &QAbstractButton::clicked,
            this, &RunSettingsWidget::removeAllRunConfigurations);
    connect(m_renameRunButton, &QAbstractButton::clicked,
            this, &RunSettingsWidget::renameRunConfiguration);
    connect(m_cloneRunButton, &QAbstractButton::clicked,
            this, &RunSettingsWidget::cloneRunConfiguration);

    connect(m_target, &Target::addedRunConfiguration,
            this, &RunSettingsWidget::updateRemoveToolButtons);
    connect(m_target, &Target::removedRunConfiguration,
            this, &RunSettingsWidget::updateRemoveToolButtons);

    connect(m_target, &Target::addedDeployConfiguration,
            this, &RunSettingsWidget::updateRemoveToolButtons);
    connect(m_target, &Target::removedDeployConfiguration,
            this, &RunSettingsWidget::updateRemoveToolButtons);

    connect(m_target, &Target::activeRunConfigurationChanged,
            this, &RunSettingsWidget::activeRunConfigurationChanged);
}

void RunSettingsWidget::showAddRunConfigDialog()
{
    AddRunConfigDialog dlg(m_target, this);
    if (dlg.exec() != QDialog::Accepted)
        return;
    RunConfigurationCreationInfo rci = dlg.creationInfo();
    QTC_ASSERT(rci.factory, return);
    RunConfiguration *newRC = rci.create(m_target);
    if (!newRC)
        return;
    QTC_CHECK(newRC->id() == rci.factory->runConfigurationId());
    m_target->addRunConfiguration(newRC);
    m_target->setActiveRunConfiguration(newRC);
    updateRemoveToolButtons();
}

void RunSettingsWidget::cloneRunConfiguration()
{
    RunConfiguration* activeRunConfiguration = m_target->activeRunConfiguration();

    //: Title of a the cloned RunConfiguration window, text of the window
    QString name = uniqueRCName(
                        QInputDialog::getText(this,
                                              Tr::tr("Clone Configuration"),
                                              Tr::tr("New configuration name:"),
                                              QLineEdit::Normal,
                                              activeRunConfiguration->displayName()));
    if (name.isEmpty())
        return;

    RunConfiguration *newRc = RunConfigurationFactory::clone(m_target, activeRunConfiguration);
    if (!newRc)
        return;

    newRc->setDisplayName(name);
    m_target->addRunConfiguration(newRc);
    m_target->setActiveRunConfiguration(newRc);
}

void RunSettingsWidget::removeRunConfiguration()
{
    RunConfiguration *rc = m_target->activeRunConfiguration();
    QMessageBox msgBox(QMessageBox::Question, Tr::tr("Remove Run Configuration?"),
                       Tr::tr("Do you really want to delete the run configuration <b>%1</b>?").arg(rc->displayName()),
                       QMessageBox::Yes|QMessageBox::No, this);
    msgBox.setDefaultButton(QMessageBox::No);
    msgBox.setEscapeButton(QMessageBox::No);
    if (msgBox.exec() == QMessageBox::No)
        return;

    m_target->removeRunConfiguration(rc);
    updateRemoveToolButtons();
    m_renameRunButton->setEnabled(m_target->activeRunConfiguration());
    m_cloneRunButton->setEnabled(m_target->activeRunConfiguration());
}

void RunSettingsWidget::removeAllRunConfigurations()
{
    QMessageBox msgBox(QMessageBox::Question,
                       Tr::tr("Remove Run Configurations?"),
                       Tr::tr("Do you really want to delete all run configurations?"),
                       QMessageBox::Cancel,
                       this);
    msgBox.addButton(Tr::tr("Delete"), QMessageBox::YesRole);
    msgBox.setDefaultButton(QMessageBox::Cancel);
    msgBox.setEscapeButton(QMessageBox::Cancel);
    if (msgBox.exec() == QMessageBox::Cancel)
        return;

    m_target->removeAllRunConfigurations();
    updateRemoveToolButtons();
    m_renameRunButton->setEnabled(false);
    m_cloneRunButton->setEnabled(false);
}

void RunSettingsWidget::activeRunConfigurationChanged()
{
    if (m_ignoreChanges.isLocked())
        return;

    ProjectConfigurationModel *model = m_target->runConfigurationModel();
    int index = model->indexFor(m_target->activeRunConfiguration());
    {
        const Utils::GuardLocker locker(m_ignoreChanges);
        m_runConfigurationCombo->setCurrentIndex(index);
        setConfigurationWidget(qobject_cast<RunConfiguration *>(model->projectConfigurationAt(index)));
    }
    m_renameRunButton->setEnabled(m_target->activeRunConfiguration());
    m_cloneRunButton->setEnabled(m_target->activeRunConfiguration());
}

void RunSettingsWidget::renameRunConfiguration()
{
    bool ok;
    QString name = QInputDialog::getText(this, Tr::tr("Rename..."),
                                         Tr::tr("New name for run configuration <b>%1</b>:").
                                            arg(m_target->activeRunConfiguration()->displayName()),
                                         QLineEdit::Normal,
                                         m_target->activeRunConfiguration()->displayName(), &ok);
    if (!ok)
        return;

    name = uniqueRCName(name);
    if (name.isEmpty())
        return;

    m_target->activeRunConfiguration()->setDisplayName(name);
}

void RunSettingsWidget::currentRunConfigurationChanged(int index)
{
    if (m_ignoreChanges.isLocked())
        return;

    RunConfiguration *selectedRunConfiguration = nullptr;
    if (index >= 0)
        selectedRunConfiguration = qobject_cast<RunConfiguration *>
                (m_target->runConfigurationModel()->projectConfigurationAt(index));

    if (selectedRunConfiguration == m_runConfiguration)
        return;

    {
        const Utils::GuardLocker locker(m_ignoreChanges);
        m_target->setActiveRunConfiguration(selectedRunConfiguration);
    }

    // Update the run configuration configuration widget
    setConfigurationWidget(selectedRunConfiguration);
}

void RunSettingsWidget::currentDeployConfigurationChanged(int index)
{
    if (m_ignoreChanges.isLocked())
        return;
    if (index == -1)
        m_target->setActiveDeployConfiguration(nullptr, SetActive::Cascade);
    else
        m_target->setActiveDeployConfiguration(qobject_cast<DeployConfiguration *>(m_target->deployConfigurationModel()->projectConfigurationAt(index)),
                                               SetActive::Cascade);
}

void RunSettingsWidget::aboutToShowDeployMenu()
{
    m_addDeployMenu->clear();

    for (DeployConfigurationFactory *factory : DeployConfigurationFactory::find(m_target)) {
        QAction *action = m_addDeployMenu->addAction(factory->defaultDisplayName());
        connect(action, &QAction::triggered, this, [factory, this] {
            DeployConfiguration *newDc = factory->create(m_target);
            if (!newDc)
                return;
            m_target->addDeployConfiguration(newDc);
            m_target->setActiveDeployConfiguration(newDc, SetActive::Cascade);
            m_removeDeployToolButton->setEnabled(m_target->deployConfigurations().size() > 1);
        });
    }
}

void RunSettingsWidget::removeDeployConfiguration()
{
    DeployConfiguration *dc = m_target->activeDeployConfiguration();
    if (BuildManager::isBuilding(dc)) {
        QMessageBox box;
        QPushButton *closeAnyway = box.addButton(Tr::tr("Cancel Build && Remove Deploy Configuration"), QMessageBox::AcceptRole);
        QPushButton *cancelClose = box.addButton(Tr::tr("Do Not Remove"), QMessageBox::RejectRole);
        box.setDefaultButton(cancelClose);
        box.setWindowTitle(Tr::tr("Remove Deploy Configuration %1?").arg(dc->displayName()));
        box.setText(Tr::tr("The deploy configuration <b>%1</b> is currently being built.").arg(dc->displayName()));
        box.setInformativeText(Tr::tr("Do you want to cancel the build process and remove the Deploy Configuration anyway?"));
        box.exec();
        if (box.clickedButton() != closeAnyway)
            return;
        BuildManager::cancel();
    } else {
        QMessageBox msgBox(QMessageBox::Question, Tr::tr("Remove Deploy Configuration?"),
                           Tr::tr("Do you really want to delete deploy configuration <b>%1</b>?").arg(dc->displayName()),
                           QMessageBox::Yes|QMessageBox::No, this);
        msgBox.setDefaultButton(QMessageBox::No);
        msgBox.setEscapeButton(QMessageBox::No);
        if (msgBox.exec() == QMessageBox::No)
            return;
    }

    m_target->removeDeployConfiguration(dc);

    m_removeDeployToolButton->setEnabled(m_target->deployConfigurations().size() > 1);
}

void RunSettingsWidget::activeDeployConfigurationChanged()
{
    updateDeployConfiguration(m_target->activeDeployConfiguration());
}

void RunSettingsWidget::renameDeployConfiguration()
{
    bool ok;
    QString name = QInputDialog::getText(this, Tr::tr("Rename..."),
                                         Tr::tr("New name for deploy configuration <b>%1</b>:").
                                            arg(m_target->activeDeployConfiguration()->displayName()),
                                         QLineEdit::Normal,
                                         m_target->activeDeployConfiguration()->displayName(), &ok);
    if (!ok)
        return;

    name = uniqueDCName(name);
    if (name.isEmpty())
        return;
    m_target->activeDeployConfiguration()->setDisplayName(name);
}

void RunSettingsWidget::updateRemoveToolButtons()
{
    m_removeDeployToolButton->setEnabled(m_target->deployConfigurations().count() > 1);
    const bool hasRunConfigs = !m_target->runConfigurations().isEmpty();
    m_removeRunToolButton->setEnabled(hasRunConfigs);
    m_removeAllRunConfigsButton->setEnabled(hasRunConfigs);
}

void RunSettingsWidget::updateDeployConfiguration(DeployConfiguration *dc)
{
    delete m_deployConfigurationWidget;
    m_deployConfigurationWidget = nullptr;
    delete m_deploySteps;
    m_deploySteps = nullptr;

    {
        const Utils::GuardLocker locker(m_ignoreChanges);
        m_deployConfigurationCombo->setCurrentIndex(-1);
    }

    m_renameDeployButton->setEnabled(dc);

    if (!dc)
        return;

    int index = m_target->deployConfigurationModel()->indexFor(dc);

    {
        const Utils::GuardLocker locker(m_ignoreChanges);
        m_deployConfigurationCombo->setCurrentIndex(index);
    }

    m_deployConfigurationWidget = dc->createConfigWidget();
    if (m_deployConfigurationWidget)
        m_deployLayout->addWidget(m_deployConfigurationWidget);

    m_deploySteps = new BuildStepListWidget(dc->stepList());
    m_deployLayout->addWidget(m_deploySteps);
}

void RunSettingsWidget::setConfigurationWidget(RunConfiguration *rc)
{
    if (rc == m_runConfiguration)
        return;

    delete m_runConfigurationWidget;
    m_runConfigurationWidget = nullptr;
    removeSubWidgets();
    if (!rc)
        return;
    m_runConfigurationWidget = rc->createConfigurationWidget();
    m_runConfiguration = rc;
    if (m_runConfigurationWidget) {
        m_runLayout->addWidget(m_runConfigurationWidget);
        updateEnabledState();
        connect(m_runConfiguration, &RunConfiguration::enabledChanged,
                m_runConfigurationWidget, [this] { updateEnabledState(); });
    }
    addRunControlWidgets();
}

QString RunSettingsWidget::uniqueDCName(const QString &name)
{
    QString result = name.trimmed();
    if (!result.isEmpty()) {
        QStringList dcNames;
        const QList<DeployConfiguration *> configurations = m_target->deployConfigurations();
        for (DeployConfiguration *dc : configurations) {
            if (dc == m_target->activeDeployConfiguration())
                continue;
            dcNames.append(dc->displayName());
        }
        result = Utils::makeUniquelyNumbered(result, dcNames);
    }
    return result;
}

QString RunSettingsWidget::uniqueRCName(const QString &name)
{
    QString result = name.trimmed();
    if (!result.isEmpty()) {
        QStringList rcNames;
        const QList<RunConfiguration *> configurations = m_target->runConfigurations();
        for (RunConfiguration *rc : configurations) {
            if (rc == m_target->activeRunConfiguration())
                continue;
            rcNames.append(rc->displayName());
        }
        result = Utils::makeUniquelyNumbered(result, rcNames);
    }
    return result;
}

void RunSettingsWidget::addRunControlWidgets()
{
    for (Utils::BaseAspect *aspect : m_runConfiguration->aspects()) {
        if (QWidget *rcw = aspect->createConfigWidget()) {
            auto label = new QLabel(this);
            label->setText(aspect->displayName());
            connect(aspect, &GlobalOrProjectAspect::changed, label, [label, aspect] {
                label->setText(aspect->displayName());
            });
            addSubWidget(rcw, label);
        }
    }
}

void RunSettingsWidget::addSubWidget(QWidget *widget, QLabel *label)
{
    widget->setContentsMargins({});

    label->setFont(Utils::StyleHelper::uiFont(Utils::StyleHelper::UiElementH4));

    label->setContentsMargins(0, 18, 0, 0);

    QGridLayout *l = m_gridLayout;
    l->addWidget(label, l->rowCount(), 0, 1, -1);
    l->addWidget(widget, l->rowCount(), 0, 1, -1);

    m_subWidgets.push_back({widget, label});
}

void RunSettingsWidget::removeSubWidgets()
{
    for (const RunConfigItem &item : std::as_const(m_subWidgets)) {
        delete item.first;
        delete item.second;
    }
    m_subWidgets.clear();
}

void RunSettingsWidget::updateEnabledState()
{
    const bool enable = m_runConfiguration
                            ? m_runConfiguration->isEnabled(Constants::NORMAL_RUN_MODE)
                            : false;
    const QString reason = m_runConfiguration
                               ? m_runConfiguration->disabledReason(Constants::NORMAL_RUN_MODE)
                               : QString();

    m_runConfigurationWidget->setEnabled(enable);

    m_disabledText->setVisible(!enable && !reason.isEmpty());
    m_disabledText->setText(reason);
}

} // Internal
} // ProjectExplorer