//##########################################################################
//#                                                                        #
//#                              CLOUDCOMPARE                              #
//#                                                                        #
//#  This program 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; version 2 or later of the License.      #
//#                                                                        #
//#  This program 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.                          #
//#                                                                        #
//#          COPYRIGHT: EDF R&D / TELECOM ParisTech (ENST-TSI)             #
//#                                                                        #
//##########################################################################

#include "ccPrimitiveFactoryDlg.h"

//local
#include "mainwindow.h"
#include "ccUtils.h"

//qCC_db
#include <ccGenericPrimitive.h>
#include <ccPlane.h>
#include <ccBox.h>
#include <ccSphere.h>
#include <ccCylinder.h>
#include <ccCone.h>
#include <ccTorus.h>
#include <ccDish.h>
#include <ccCoordinateSystem.h>

//system
#include <assert.h>

ccPrimitiveFactoryDlg::ccPrimitiveFactoryDlg(MainWindow* win)
	: QDialog(win)
	, Ui::PrimitiveFactoryDlg()
	, m_win(win)
{
	assert(m_win);

	setupUi(this);

	connect(createPushButton, &QAbstractButton::clicked, this, &ccPrimitiveFactoryDlg::createPrimitive);
	connect(closePushButton, &QAbstractButton::clicked, this, &QDialog::accept);
	connect(spherePosFromClipboardButton, &QPushButton::clicked, this, &ccPrimitiveFactoryDlg::setSpherePositionFromClipboard);
	connect(spherePosToOriginButton, &QPushButton::clicked, this, &ccPrimitiveFactoryDlg::setSpherePositionToOrigin);
	connect(csSetMatrixBasedOnSelectedObjectButton, &QPushButton::clicked, this, &ccPrimitiveFactoryDlg::setCoordinateSystemBasedOnSelectedObject);
	connect(csMatrixTextEdit, &QPlainTextEdit::textChanged, this, &ccPrimitiveFactoryDlg::onMatrixTextChange);
	connect(csClearMatrixButton, &QPushButton::clicked, this, &ccPrimitiveFactoryDlg::setCSMatrixToIdentity);
	setCSMatrixToIdentity();
}

void ccPrimitiveFactoryDlg::createPrimitive()
{
	if (!m_win)
		return;

	ccGenericPrimitive* primitive = nullptr;
	switch(tabWidget->currentIndex())
	{
		//Plane
		case 0:
			{
				primitive = new ccPlane(static_cast<PointCoordinateType>(planeWidthDoubleSpinBox->value()),
										static_cast<PointCoordinateType>(planeHeightDoubleSpinBox->value()));
			}
			break;
		//Box
		case 1:
			{
				CCVector3 dims(	static_cast<PointCoordinateType>(boxDxDoubleSpinBox->value()),
								static_cast<PointCoordinateType>(boxDyDoubleSpinBox->value()),
								static_cast<PointCoordinateType>(boxDzDoubleSpinBox->value()));
				primitive = new ccBox(dims);
			}
			break;
		//Sphere
		case 2:
			{
				ccGLMatrix transMat;
				transMat.setTranslation(CCVector3f(spherePosXDoubleSpinBox->value(), spherePosYDoubleSpinBox->value(), spherePosZDoubleSpinBox->value()));
				primitive = new ccSphere(static_cast<PointCoordinateType>(sphereRadiusDoubleSpinBox->value()), &transMat);
			}
			break;
		//Cylinder
		case 3:
			{
				primitive = new ccCylinder( static_cast<PointCoordinateType>(cylRadiusDoubleSpinBox->value()),
											static_cast<PointCoordinateType>(cylHeightDoubleSpinBox->value()));
			}
			break;
		//Cone
		case 4:
			{
				primitive = new ccCone( static_cast<PointCoordinateType>(coneBottomRadiusDoubleSpinBox->value()),
										static_cast<PointCoordinateType>(coneTopRadiusDoubleSpinBox->value()),
										static_cast<PointCoordinateType>(coneHeightDoubleSpinBox->value()),
										static_cast<PointCoordinateType>(snoutGroupBox->isChecked() ? coneXOffsetDoubleSpinBox->value() : 0),
										static_cast<PointCoordinateType>(snoutGroupBox->isChecked() ? coneYOffsetDoubleSpinBox->value() : 0));
			}
			break;
		//Torus
		case 5:
			{
				primitive = new ccTorus(static_cast<PointCoordinateType>(torusInsideRadiusDoubleSpinBox->value()),
										static_cast<PointCoordinateType>(torusOutsideRadiusDoubleSpinBox->value()),
										static_cast<PointCoordinateType>( CCCoreLib::DegreesToRadians( torusAngleDoubleSpinBox->value() ) ),
										torusRectGroupBox->isChecked(),
										static_cast<PointCoordinateType>(torusRectGroupBox->isChecked() ? torusRectSectionHeightDoubleSpinBox->value() : 0));
			}
			break;
		//Dish
		case 6:
			{
				primitive = new ccDish( static_cast<PointCoordinateType>(dishRadiusDoubleSpinBox->value()),
										static_cast<PointCoordinateType>(dishHeightDoubleSpinBox->value()),
										static_cast<PointCoordinateType>(dishEllipsoidGroupBox->isChecked() ? dishRadius2DoubleSpinBox->value() : 0));
			}
			break;
		case 7:
			{			
				bool valid = false;
				ccGLMatrix mat = getCSMatrix(valid);
				if (!valid)
				{
					mat.toIdentity();
				}
				primitive = new ccCoordinateSystem(&mat);
				
			}
			break;
	}

	if (primitive)
	{
		primitive->setDrawingPrecision(precisionSpinBox->value());

		m_win->addToDB(primitive, true, true, true);
	}
}

void ccPrimitiveFactoryDlg::setSpherePositionFromClipboard()
{
	CCVector3d vector;
	if (ccUtils::GetVectorFromClipboard(vector))
	{
		spherePosXDoubleSpinBox->setValue(vector.x);
		spherePosYDoubleSpinBox->setValue(vector.y);
		spherePosZDoubleSpinBox->setValue(vector.z);
	}
}

void ccPrimitiveFactoryDlg::setSpherePositionToOrigin()
{
	spherePosXDoubleSpinBox->setValue(0);
	spherePosYDoubleSpinBox->setValue(0);
	spherePosZDoubleSpinBox->setValue(0);
}


void ccPrimitiveFactoryDlg::setCoordinateSystemBasedOnSelectedObject()
{
	ccHObject::Container selectedEnt = m_win->getSelectedEntities();
	for (auto entity : selectedEnt)
	{
		csMatrixTextEdit->setPlainText(entity->getGLTransformationHistory().toString());
	}
}

void ccPrimitiveFactoryDlg::onMatrixTextChange()
{	
	bool valid = false;
	getCSMatrix(valid);
	if (valid)
	{
		ccLog::Print("Valid ccGLMatrix");
	}
}

void ccPrimitiveFactoryDlg::setCSMatrixToIdentity()
{
	csMatrixTextEdit->blockSignals(true);
	csMatrixTextEdit->setPlainText("1.00000000 0.00000000 0.00000000 0.00000000\n0.00000000 1.00000000 0.00000000 0.00000000\n0.00000000 0.00000000 1.00000000 0.00000000\n0.00000000 0.00000000 0.00000000 1.00000000");
	csMatrixTextEdit->blockSignals(false);
}

ccGLMatrix ccPrimitiveFactoryDlg::getCSMatrix(bool& valid)
{
	QString text = csMatrixTextEdit->toPlainText();
	if (text.contains("["))
	{
		//automatically remove anything between square brackets
		static const QRegExp squareBracketsFilter("\\[([^]]+)\\]");
		text.replace(squareBracketsFilter, "");
		csMatrixTextEdit->blockSignals(true);
		csMatrixTextEdit->setPlainText(text);
		csMatrixTextEdit->blockSignals(false);
	}
	ccGLMatrix mat = ccGLMatrix::FromString(text, valid);
	return mat;
}