// SPDX-FileCopyrightText: Copyright (C) 2016 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1

#include "gui/components/dbautostashingcomponent.h"

#include <QCheckBox>
#include <QDialogButtonBox>
#include <QFlags>
#include <QIntValidator>
#include <QLineEdit>
#include <QProgressBar>
#include <QRadioButton>
#include <QString>
#include <QStringBuilder>
#include <QWidget>
#include <Qt>
#include <QtGlobal>

#include "ui_dbautostashingcomponent.h"

#include "core/webdataservices.h"
#include "gui/components/dbmappingcomponent.h"
#include "gui/components/dbstashcomponent.h"
#include "gui/guiapplication.h"
#include "gui/views/aircraftmodelview.h"
#include "gui/views/statusmessageview.h"
#include "gui/views/viewbase.h"
#include "misc/aviation/livery.h"
#include "misc/logcategories.h"
#include "misc/sequence.h"
#include "misc/simulation/aircraftmodel.h"
#include "misc/simulation/aircraftmodellist.h"
#include "misc/statusmessagelist.h"

using namespace swift::core;
using namespace swift::misc;
using namespace swift::misc::aviation;
using namespace swift::misc::network;
using namespace swift::misc::simulation;
using namespace swift::gui::views;

namespace swift::gui::components
{
    const QStringList &CDbAutoStashingComponent::getLogCategories()
    {
        static const QStringList cats { CLogCategories::mapping(), CLogCategories::guiComponent() };
        return cats;
    }

    CDbAutoStashingComponent::CDbAutoStashingComponent(QWidget *parent)
        : QDialog(parent, Qt::WindowSystemMenuHint | Qt::WindowTitleHint),
          CDbMappingComponentAware(qobject_cast<CDbMappingComponent *>(parent)), ui(new Ui::CDbAutoStashingComponent)
    {
        ui->setupUi(this);
        ui->tvp_StatusMessages->setResizeMode(CAircraftModelView::ResizingAuto);
        ui->tvp_StatusMessages->menuAddItems(CAircraftModelView::MenuSave);
        ui->le_MaxModelsStashed->setValidator(new QIntValidator(10, CDbStashComponent::MaxModelPublished, this));
        Q_ASSERT_X(this->getMappingComponent(), Q_FUNC_INFO, "Expect mapping componet");

        connect(ui->tb_ResetDescription, &QToolButton::clicked, this, &CDbAutoStashingComponent::resetDescription);

        this->resetDescription();
    }

    CDbAutoStashingComponent::~CDbAutoStashingComponent() = default;

    void CDbAutoStashingComponent::accept()
    {
        switch (m_state)
        {
        case Running: return;
        case Completed:
        {
            if (!m_modelsToStash.isEmpty())
            {
                // this removes previously stashed models
                this->getMappingComponent()->replaceStashedModelsUnvalidated(m_modelsToStash);
                if (ui->cb_RemovedChecked->isChecked())
                {
                    this->currentModelView()->removeModelsWithModelString(m_modelsToStash);
                }
                const CStatusMessage stashedMsg(this, CStatusMessage::SeverityInfo,
                                                QStringLiteral("Auto stashed %1 models").arg(m_modelsToStash.size()));
                this->addStatusMessage(stashedMsg);
                m_modelsToStash.clear();
            }
            QDialog::accept();
            break;
        }
        default:
        {
            if (this->getSelectedOrAllCount() < 1)
            {
                const CStatusMessage m(this, CStatusMessage::SeverityError, u"No data, nothing to do");
                this->addStatusMessage(m);
                QDialog::accept();
            }
            this->tryToStashModels();
        }
        }
    }

    int CDbAutoStashingComponent::exec()
    {
        this->initGui();
        return QDialog::exec();
    }

    void CDbAutoStashingComponent::showLastResults()
    {
        ui->bb_AutoStashing->setStandardButtons(QDialogButtonBox::Close);
        this->setVisible(true);
    }

    void CDbAutoStashingComponent::resetDescription()
    {
        ui->rb_DescriptionEmptyOnly->setChecked(true);
        ui->le_Description->setText(CAircraftModel::autoGenerated());
    }

    void CDbAutoStashingComponent::initGui()
    {
        m_state = Idle;
        ui->bb_AutoStashing->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
        ui->tvp_StatusMessages->clear();
        m_noData = 0;
        m_noValidationFailed = 0;
        m_noStashed = 0;
        this->updateProgressIndicator(0);

        if (!this->currentModelView())
        {
            const CStatusMessage m(this, CStatusMessage::SeverityError, u"No data for auto stashing");
            this->addStatusMessage(m);
        }
        else
        {
            int selected = this->currentModelView()->selectedRowCount();
            int all = this->currentModelView()->rowCount();
            ui->le_Selected->setText(QString::number(selected));
            QString allStr(QString::number(all));
            if (all > CDbStashComponent::MaxModelPublished)
            {
                allStr += u" (Max." % QString::number(CDbStashComponent::MaxModelPublished) % u")";
            }
            ui->le_All->setText(allStr);
            if (ui->le_MaxModelsStashed->text().isEmpty())
            {
                ui->le_MaxModelsStashed->setText(all > 100 ? QStringLiteral("100") : QString());
            }
            if (selected > 0)
            {
                ui->rb_Selected->setChecked(true);
                ui->rb_Selected->setEnabled(true);
            }
            else
            {
                ui->rb_All->setChecked(true);
                ui->rb_Selected->setEnabled(false);
            }
        }
    }

    void CDbAutoStashingComponent::updateProgressIndicator(int percent)
    {
        percent = std::clamp(percent, 0, 100);
        ui->pb_StashingProgress->setValue(percent);
        ui->le_Stashed->setText(QString::number(m_noStashed));
        ui->le_NoData->setText(QString::number(m_noData));
        ui->le_ValidationFailed->setText(QString::number(m_noValidationFailed));
    }

    int CDbAutoStashingComponent::getSelectedOrAllCount() const
    {
        if (!this->currentModelView()) { return 0; }
        if (ui->rb_Selected->isChecked()) { return this->currentModelView()->selectedRowCount(); }
        else { return this->currentModelView()->rowCount(); }
    }

    CAircraftModelView *CDbAutoStashingComponent::currentModelView() const
    {
        return this->getMappingComponent()->currentModelView();
    }

    void CDbAutoStashingComponent::addStatusMessage(const CStatusMessage &msg)
    {
        if (msg.isEmpty()) { return; }
        ui->tvp_StatusMessages->insert(msg);
    }

    void CDbAutoStashingComponent::addStatusMessage(const CStatusMessage &msg, const CAircraftModel &model)
    {
        if (msg.isEmpty()) { return; }
        if (model.hasModelString())
        {
            CStatusMessage prefixMessage(msg);
            prefixMessage.prependMessage(QString(model.getModelString() + ", " + model.getMembersDbStatus() + ": "));
            ui->tvp_StatusMessages->insert(prefixMessage);
        }
        else { ui->tvp_StatusMessages->insert(msg); }
    }

    void CDbAutoStashingComponent::tryToStashModels()
    {
        Q_ASSERT_X(this->currentModelView(), Q_FUNC_INFO, "No view");
        const CAircraftModelList models(ui->rb_Selected->isChecked() ?
                                            this->currentModelView()->selectedObjects() :
                                            this->currentModelView()->containerOrFilteredContainer());
        if (models.isEmpty()) { return; }
        if (!sGui || sGui->isShuttingDown()) { return; }

        // we have data and are good to go
        m_state = Running;
        const int all = models.size();

        // maximum
        int max = CDbStashComponent::MaxModelPublished;
        const QString maxStr(ui->le_MaxModelsStashed->text());
        bool okMaxStr = true;
        if (!maxStr.isEmpty()) { max = maxStr.toInt(&okMaxStr); }
        if (!okMaxStr || max > all) { max = all; }

        // override description
        const QString description(ui->le_Description->text().trimmed());

        // temp livery if applicable
        const CLivery tempLivery(ui->cb_UseTempLivery->isChecked() ? getTempLivery() : CLivery());

        int c = 0;
        CAircraftModelList autoStashed;
        for (const CAircraftModel &model : models)
        {
            CAircraftModel stashModel(model);
            const bool stashed = this->tryToStashModel(stashModel, tempLivery);
            if (stashed)
            {
                if (!description.isEmpty()) { this->setModelDescription(stashModel, description); }
                autoStashed.push_back(stashModel);
            }

            c++;
            if (c % 25 == 0)
            {
                Q_ASSERT_X(c <= all, Q_FUNC_INFO, "illegal numbers");
                sGui->processEventsToRefreshGui();

                int percent = c * 100 / all;
                if (max < all)
                {
                    int maxPercent = autoStashed.size() * 100 / max;
                    percent = std::max(maxPercent, percent);
                }
                this->updateProgressIndicator(percent);
            }
            if (autoStashed.size() >= max) { break; }
        }

        this->updateProgressIndicator(100);
        sGui->processEventsToRefreshGui();

        const CStatusMessage stashedMsg(this, CStatusMessage::SeverityInfo,
                                        QStringLiteral("Ready to auto stash %1 models").arg(autoStashed.size()));
        this->addStatusMessage(stashedMsg);
        m_modelsToStash = autoStashed;
        m_state = Completed;
    }

    bool CDbAutoStashingComponent::tryToStashModel(CAircraftModel &model, const CLivery &tempLivery)
    {
        const bool useTempLivery = tempLivery.isLoadedFromDb();

        // no airline and no livery, here replaced by temp livery
        if (useTempLivery && !model.hasAirlineDesignator() && !model.getLivery().hasValidDbKey())
        {
            model.setLivery(tempLivery);
        }

        //! Some upfront tests
        if (!model.hasModelString())
        {
            this->addStatusMessage(CStatusMessage(this, CStatusMessage::SeverityError, u"No model string"));
            m_noData++;
            return false;
        }

        if (!model.hasAircraftDesignator())
        {
            this->addStatusMessage(CStatusMessage(this, CStatusMessage::SeverityError, u"No aircraft designator"),
                                   model);
            m_noData++;
            return false;
        }

        if (!model.hasAirlineDesignator() && !model.getLivery().hasValidDbKey())
        {
            // no valid airline and NO DB livery
            // we try one fallback
            const QString liveryCombinedCode = model.getLivery().getCombinedCode();
            bool fallback = false;
            if (liveryCombinedCode.length() == 3 || liveryCombinedCode.length() == 4)
            {
                // could we use the combined code as airline
                if (CAirlineIcaoCode::isValidAirlineDesignator(liveryCombinedCode))
                {
                    model.setAirlineIcaoDesignator(liveryCombinedCode);
                    fallback = true;
                }
            }

            // if there is no livery (normal) we need an airline
            if (!fallback)
            {
                this->addStatusMessage(CStatusMessage(this, CStatusMessage::SeverityError, u"No airline designator"),
                                       model);
                m_noData++;
                return false;
            }
        }

        // stash here consolidates with DB data and validates
        bool stashed = false;
        const CAircraftModel stashModel(this->getMappingComponent()->consolidateModel(model));
        CStatusMessageList validationMsgs(stashModel.validate(true));
        validationMsgs.removeWarningsAndBelow();
        CStatusMessage msg = validationMsgs.toSingleMessage();
        if (msg.getSeverity() == CStatusMessage::SeverityError) { m_noValidationFailed++; }
        else
        {
            msg = CStatusMessage(this, CStatusMessage::SeverityInfo, u"Stashed succesfully");
            stashed = true;
            m_noStashed++;
            model = stashModel;
        }
        this->addStatusMessage(msg, stashModel);
        return stashed;
    }

    void CDbAutoStashingComponent::setModelDescription(CAircraftModel &model, const QString &description) const
    {
        if (description.isEmpty()) { return; }
        if (ui->rb_All->isChecked()) { model.setDescription(description); }
        else
        {
            // only for "empty" ones
            if (model.hasDescription(true)) { return; }
            model.setDescription(description);
        }
    }

    swift::misc::aviation::CLivery CDbAutoStashingComponent::getTempLivery()
    {
        if (!sGui || !sGui->hasWebDataServices()) { return {}; }
        return sGui->getWebDataServices()->getTempLiveryOrDefault();
    }
} // namespace swift::gui::components