/************************************************************************
 **
 **  @file   dialogpiecepath.cpp
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   22 11, 2016
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentine project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2016 Valentina project
 **  <https://bitbucket.org/dismine/valentina> All Rights Reserved.
 **
 **  Valentina 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.
 **
 **  Valentina 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.
 **
 **  You should have received a copy of the GNU General Public License
 **  along with Valentina.  If not, see <http://www.gnu.org/licenses/>.
 **
 *************************************************************************/

#include "dialogpiecepath.h"
#include "ui_dialogpiecepath.h"
#include "../vpatterndb/vpiecenode.h"

#include <QMenu>

//---------------------------------------------------------------------------------------------------------------------
DialogPiecePath::DialogPiecePath(const VContainer *data, quint32 toolId, QWidget *parent)
    : DialogTool(data, toolId, parent),
    ui(new Ui::DialogPiecePath),
    m_showMode(true)
{
    ui->setupUi(this);
    InitOkCancel(ui);

    flagName = true;//We have default name of piece.
    flagError = PathIsValid();
    CheckState();

    connect(ui->lineEditName, &QLineEdit::textChanged, this, &DialogPiecePath::NameChanged);

    if (not m_showMode)
    {
        //vis = new VisToolPiecePath(data);
    }
    else
    {
        ui->comboBoxType->setDisabled(true);
        ui->comboBoxPiece->setDisabled(true);
    }

    show();//temporary
}

//---------------------------------------------------------------------------------------------------------------------
DialogPiecePath::~DialogPiecePath()
{
    delete ui;
}

//---------------------------------------------------------------------------------------------------------------------
void DialogPiecePath::DisableShowMode(bool disable)
{
    m_showMode = disable;
}

//---------------------------------------------------------------------------------------------------------------------
void DialogPiecePath::ChosenObject(quint32 id, const SceneObject &type)
{
    if (not prepare)
    {
        bool reverse = false;
        if (QGuiApplication::keyboardModifiers() == Qt::ShiftModifier)
        {
            reverse = true;
        }
        switch (type)
        {
            case SceneObject::Arc:
                NewItem(VPieceNode(id, Tool::NodeArc, reverse));
                break;
            case SceneObject::Point:
                NewItem(VPieceNode(id, Tool::NodePoint));
                break;
            case SceneObject::Spline:
                NewItem(VPieceNode(id, Tool::NodeSpline, reverse));
                break;
            case SceneObject::SplinePath:
                NewItem(VPieceNode(id, Tool::NodeSplinePath, reverse));
                break;
            case (SceneObject::Line):
            case (SceneObject::Detail):
            case (SceneObject::Unknown):
            default:
                qDebug() << "Got wrong scene object. Ignore.";
                break;
        }

        ValidObjects(PathIsValid());

        if (not m_showMode)
        {
//        auto visPath = qobject_cast<VisToolPiecePath *>(vis);
//        SCASSERT(visPath != nullptr);
//        const VPiecePath p = CreatePath();
//        visPath->SetPath(p);

//        if (p.CountNodes() == 1)
//        {
//            emit ToolTip(tr("Select main path objects, <b>Shift</b> - reverse direction curve, "
//                            "<b>Enter</b> - finish creation"));

//            visPath->VisualMode(NULL_ID);
//        }
//        else
//        {
//            visPath->RefreshGeometry();
//        }
        }
    }
}

//---------------------------------------------------------------------------------------------------------------------
void DialogPiecePath::ShowDialog(bool click)
{
    if (click == false)
    {
        emit ToolTip("");
        prepare = true;

        if (not m_showMode)
        {
//            auto visPath = qobject_cast<VisToolPiecePath *>(vis);
//            SCASSERT(visPath != nullptr);
//            visPath->SetMode(Mode::Show);
//            visPath->RefreshGeometry();
        }
        setModal(true);
        show();
    }
}

//---------------------------------------------------------------------------------------------------------------------
void DialogPiecePath::SaveData()
{}

//---------------------------------------------------------------------------------------------------------------------
void DialogPiecePath::CheckState()
{
    SCASSERT(bOk != nullptr);
    bOk->setEnabled(flagName && flagError && ui->comboBoxPiece->count() > 0);
}

//---------------------------------------------------------------------------------------------------------------------
void DialogPiecePath::ShowContextMenu(const QPoint &pos)
{
    const int row = ui->listWidget->currentRow();
    if (ui->listWidget->count() == 0 || row == -1 || row >= ui->listWidget->count())
    {
        return;
    }

    QMenu *menu = new QMenu(this);
    QAction *actionDelete = menu->addAction(QIcon::fromTheme("edit-delete"), tr("Delete"));
    actionDelete->setEnabled(m_showMode);//Because we can't undo this operation when creating a piece.

    QListWidgetItem *rowItem = ui->listWidget->item(row);
    SCASSERT(rowItem != nullptr);
    VPieceNode rowNode = qvariant_cast<VPieceNode>(rowItem->data(Qt::UserRole));

    QAction *actionReverse = nullptr;
    if (rowNode.GetTypeTool() != Tool::NodePoint)
    {
        actionReverse = menu->addAction(tr("Reverse"));
        actionReverse->setCheckable(true);
        actionReverse->setChecked(rowNode.GetReverse());
    }

    QAction *selectedAction = menu->exec(ui->listWidget->viewport()->mapToGlobal(pos));
    if (selectedAction == actionDelete)
    {
        delete ui->listWidget->item(row);
        ValidObjects(PathIsValid());
    }
    else if (selectedAction == actionReverse)
    {
        rowNode.SetReverse(not rowNode.GetReverse());
        rowItem->setData(Qt::UserRole, QVariant::fromValue(rowNode));
        rowItem->setText(GetNodeName(rowNode));
        ValidObjects(PathIsValid());
    }

    ListChanged();
}

//---------------------------------------------------------------------------------------------------------------------
void DialogPiecePath::ListChanged()
{
    if (not m_showMode)
    {
//        auto visPath = qobject_cast<VisToolPiecePath *>(vis);
//        SCASSERT(visPath != nullptr);
//        visPath->SetPiece(CreatePath());
//        visPath->RefreshGeometry();
    }
}

//---------------------------------------------------------------------------------------------------------------------
void DialogPiecePath::NameChanged()
{
    if (ui->lineEditName->text().isEmpty())
    {
        flagName = false;
        ChangeColor(ui->labelName, Qt::red);
    }
    else
    {
        flagName = true;
        ChangeColor(ui->labelName, okColor);
    }
    CheckState();
}

//---------------------------------------------------------------------------------------------------------------------
//VPiecePath DialogPiecePath::GetPiecePath() const
//{

//}

//---------------------------------------------------------------------------------------------------------------------
//void DialogPiecePath::SetPiecePath(const VPiecePath &path)
//{

//}

//---------------------------------------------------------------------------------------------------------------------
//VPiecePath DialogPiecePath::CreatePath() const
//{

//}

//---------------------------------------------------------------------------------------------------------------------
bool DialogPiecePath::PathIsValid() const
{
//    QString url = DialogWarningIcon();

//    if(CreatePath().Points(data).count() < 2)
//    {
//        url += tr("You need more points!");
//        ui->helpLabel->setText(url);
//        return false;
//    }
//    else
//    {
//        if (FirstPointEqualLast(ui->listWidget))
//        {
//            url += tr("First point cannot be equal to the last point!");
//            ui->helpLabel->setText(url);
//            return false;
//        }
//        else if (DoublePoints(ui->listWidget))
//        {
//            url += tr("You have double points!");
//            ui->helpLabel->setText(url);
//            return false;
//        }
//    }
    ui->helpLabel->setText(tr("Ready!"));
    return true;
}

//---------------------------------------------------------------------------------------------------------------------
void DialogPiecePath::ValidObjects(bool value)
{
    flagError = value;
    CheckState();
}

//---------------------------------------------------------------------------------------------------------------------
void DialogPiecePath::NewItem(const VPieceNode &node)
{
    NewNodeItem(ui->listWidget, node);
}