/***************************************************************************
 *   This file is part of the Lime Report project                          *
 *   Copyright (C) 2021 by Alexander Arin                                  *
 *   arin_a@bk.ru                                                          *
 *                                                                         *
 **                   GNU General Public License Usage                    **
 *                                                                         *
 *   This library is free software: you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation, either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *                                                                         *
 **                  GNU Lesser General Public License                    **
 *                                                                         *
 *   This library is free software: you can redistribute it and/or modify  *
 *   it under the terms of the GNU Lesser General Public License as        *
 *   published by the Free Software Foundation, either version 3 of the    *
 *   License, or (at your option) any later version.                       *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library.                                      *
 *   If not, see <http://www.gnu.org/licenses/>.                           *
 *                                                                         *
 *   This library is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 ****************************************************************************/
#include "lrflagspropitem.h"

#include "../editors/lrcheckboxeditor.h"
#include "lrboolpropitem.h"
#include "lrenumpropitem.h"
#include "lrobjectitemmodel.h"

#include <QIcon>
#include <QImage>
#include <QPainter>
#include <QStyle>
#include <QStylePainter>

namespace {

LimeReport::ObjectPropItem* createFlagsPropItem(QObject* object,
                                                LimeReport::ObjectPropItem::ObjectsList* objects,
                                                const QString& name, const QString& displayName,
                                                const QVariant& data,
                                                LimeReport::ObjectPropItem* parent, bool readonly)
{
    return new LimeReport::FlagsPropItem(object, objects, name, displayName, data, parent,
                                         readonly);
}
bool VARIABLE_IS_NOT_USED registred = LimeReport::ObjectPropFactory::instance().registerCreator(
    LimeReport::APropIdent("flags", ""), QObject::tr("flags"), createFlagsPropItem);

} // namespace

namespace LimeReport {

void FlagsPropItem::createChildren()
{
    QMetaEnum propEnum
        = object()
              ->metaObject()
              ->property(object()->metaObject()->indexOfProperty(propertyName().toLatin1()))
              .enumerator();
    for (int i = 0; i < propEnum.keyCount(); i++) {
        if (propEnum.keyToValue(propEnum.key(i)) != 0) {
            this->appendItem(new LimeReport::FlagPropItem(
                object(), objects(), QString(propEnum.key(i)), tr(propEnum.key(i)),
                bool((propertyValue().toInt() & propEnum.keyToValue(propEnum.key(i)))
                     == propEnum.keyToValue(propEnum.key(i))),
                this, false));
        }
    }
}

void FlagsPropItem::updateChildren()
{
    QMetaEnum propEnum
        = object()
              ->metaObject()
              ->property(object()->metaObject()->indexOfProperty(propertyName().toLatin1()))
              .enumerator();
    for (int i = 0; i < propEnum.keyCount(); i++) {
        ObjectPropItem* property = findChild(QString(propEnum.key(i)));
        if (property)
            property->setPropertyValue(
                bool((propertyValue().toInt() & propEnum.keyToValue(propEnum.key(i)))
                     == propEnum.keyToValue(propEnum.key(i))));
    }
}

FlagsPropItem::FlagsPropItem(QObject* object, ObjectPropItem::ObjectsList* objects,
                             const QString& name, const QString& displayName, const QVariant& value,
                             ObjectPropItem* parent, bool readonly):
    ObjectPropItem(object, objects, name, displayName, value, parent, readonly)
{
    createChildren();
}

FlagsPropItem::FlagsPropItem(QObject* object, ObjectPropItem::ObjectsList* objects,
                             const QString& name, const QString& displayName, const QVariant& value,
                             ObjectPropItem* parent, bool readonly, QSet<int> acceptableValues):
    ObjectPropItem(object, objects, name, displayName, value, parent, readonly),
    m_acceptableValues(acceptableValues)
{
}

QString FlagsPropItem::displayValue() const
{
    QString result;
    QMetaEnum propEnum
        = object()
              ->metaObject()
              ->property(object()->metaObject()->indexOfProperty(propertyName().toLatin1()))
              .enumerator();
    for (int i = 0; i < propEnum.keyCount(); i++) {
        if ((propEnum.keyToValue(propEnum.key(i)) == 0)
                ? propertyValue().toInt() == 0
                : (propertyValue().toInt() & propEnum.keyToValue(propEnum.key(i)))
                    == propEnum.keyToValue(propEnum.key(i))) {
            if (result.isEmpty())
                result += isTranslateProperty() ? tr(propEnum.key(i)) : propEnum.key(i);
            else
                result = result + " | "
                    + (isTranslateProperty() ? tr(propEnum.key(i)) : propEnum.key(i));
        }
    }
    return result;
}

void FlagsPropItem::setPropertyValue(QVariant value)
{
    ObjectPropItem::setPropertyValue(value);
    updateChildren();
}

void FlagsPropItem::slotEnumChanged(QString /*text*/) { }

void FlagsPropItem::translateFlagsItem()
{
    tr("NoLine");
    tr("TopLine");
    tr("BottomLine");
    tr("LeftLine");
    tr("RightLine");
    tr("AllLines");
}

FlagPropItem::FlagPropItem(QObject* object, ObjectsList* objects, const QString& propName,
                           const QString& displayName, const QVariant& value,
                           ObjectPropItem* parent, bool readonly):
    BoolPropItem(object, objects, propName, displayName, value, parent, readonly)
{
}

void FlagPropItem::setPropertyEditorData(QWidget* propertyEditor,
                                         const QModelIndex& /*index*/) const
{
    CheckBoxEditor* editor = qobject_cast<CheckBoxEditor*>(propertyEditor);
    editor->setChecked(propertyValue().toBool());
}

void FlagPropItem::setModelData(QWidget* propertyEditor, QAbstractItemModel* model,
                                const QModelIndex& index)
{
    bool value = qobject_cast<CheckBoxEditor*>(propertyEditor)->isChecked();
    model->setData(index, value);
    int flags = object()->property(parent()->propertyName().toLatin1()).toInt();
    if (value)
        flags = flags | valueByName(propertyName());
    else if (flags & valueByName(propertyName()))
        flags = flags ^ valueByName(propertyName());
    setValueToObject(parent()->propertyName(), flags);
    parent()->setPropertyValue(flags);
}

int FlagPropItem::valueByName(const QString& typeName)
{
    QMetaEnum propEnum = object()
                             ->metaObject()
                             ->property(object()->metaObject()->indexOfProperty(
                                 parent()->propertyName().toLatin1()))
                             .enumerator();
    return propEnum.keyToValue(typeName.toLatin1());
}

} // namespace LimeReport