#include "vtkInteractorStyleEsqui.h"
#include "vtkObjectFactory.h"
#include "vtkRenderer.h"
#include "vtkRendererCollection.h"
#include "vtkCamera.h"
#include "vtkToolCollection.h"
#include "vtkTool.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderWindow.h"
#include "vtkAssembly.h"



vtkCxxRevisionMacro(vtkInteractorStyleEsqui, "$Revision: 0.1 $");
vtkStandardNewMacro(vtkInteractorStyleEsqui);

vtkInteractorStyleEsqui::vtkInteractorStyleEsqui() {
	this->ActiveCamera = 1;
	this->ActiveTool = 0;
	this->RightButton = 0;
	this->LeftButton = 0;
	this->Tools = NULL;
}
void vtkInteractorStyleEsqui::SetToolCollection(vtkToolCollection *Tools) {
	this->Tools = Tools;
}

vtkToolCollection* vtkInteractorStyleEsqui::GetToolCollection() {
	return this->Tools;
}

void vtkInteractorStyleEsqui::OnLeftButtonDown() {
	this->LeftButton = 1;
}
void vtkInteractorStyleEsqui::OnLeftButtonUp() {
	this->LeftButton = 0;
}
void vtkInteractorStyleEsqui::OnRightButtonDown() {
	this->RightButton = 1;
}
void vtkInteractorStyleEsqui::OnRightButtonUp() {
	this->RightButton = 0;
}
void vtkInteractorStyleEsqui::OnKeyPress() {
	char letra = *this->Interactor->GetKeySym();
	
	switch (letra) {
		
		case ('c'):
			if(!this->ActiveCamera) {
				this->ActiveCamera = 1;
			} else {
				this->ActiveCamera = 0;
			}
			break;
		
		case ('d'):
			this->ActiveTool = 0;
			break;
		
		case ('i'):
			this->ActiveTool = 1;
			break;
		
		case ('a'):
			this->Tools->GetToolOnPosition(this->ActiveTool)->Abrir();
			break;
		
		case ('s'):
			this->Tools->GetToolOnPosition(this->ActiveTool)->Cerrar();
			break;

		case ('z'):
			this->Tools->GetToolOnPosition(this->ActiveTool)->Rotar(1);
			break;

		case ('x'):
			this->Tools->GetToolOnPosition(this->ActiveTool)->Rotar(-1);
			break;
		case ('C'):
			this->ActiveCamera = 1;
			break;
		
		case ('D'):
			this->ActiveTool = 0;
			break;
		
		case ('I'):
			this->ActiveTool = 1;
			break;
		
		case ('A'):
			this->Tools->GetToolOnPosition(this->ActiveTool)->Abrir();
			break;
		
		case ('S'):
			this->Tools->GetToolOnPosition(this->ActiveTool)->Cerrar();
			break;

		case ('Z'):
			this->Tools->GetToolOnPosition(this->ActiveTool)->Rotar(1);
			break;

		case ('X'):
			this->Tools->GetToolOnPosition(this->ActiveTool)->Rotar(-1);
			break;
	}
}

void vtkInteractorStyleEsqui::OnMouseMove() {
	int *LastPosition = this->Interactor->GetLastEventPosition();
	int *CurrentPosition = this->Interactor->GetEventPosition();
	if (this->RightButton || this->LeftButton) {
	if (this->ActiveCamera) {
		this->MueveCamara(LastPosition, CurrentPosition);
	} else {
		vtkTool *Tool =	this->Tools->GetToolOnPosition(this->ActiveTool);
		this->MueveHerramienta(LastPosition,CurrentPosition,Tool);
	}
	this->Interactor->GetRenderWindow()->Render();
	}
}

void vtkInteractorStyleEsqui::MueveCamara(int* LastPosition, int *CurrentPosition) {
	if (this->RightButton) {
		if (LastPosition[1] - CurrentPosition[1] < 0) {
			static_cast<vtkRenderer*> (this->Interactor->GetRenderWindow()->
									GetRenderers()->GetItemAsObject(0))
									->GetActiveCamera()->Dolly(0.995);
		} else {
			static_cast<vtkRenderer*> (this->Interactor->GetRenderWindow()->
									GetRenderers()->GetItemAsObject(0))
									->GetActiveCamera()->Dolly(1.005);
		}
	} else if (this->LeftButton) {
		static_cast<vtkRenderer*> (this->Interactor->GetRenderWindow()->
									GetRenderers()->GetItemAsObject(0))
									->GetActiveCamera()->Yaw((LastPosition[0] - CurrentPosition[0])*0.01);
		
		static_cast<vtkRenderer*> (this->Interactor->GetRenderWindow()->
									GetRenderers()->GetItemAsObject(0))
									->GetActiveCamera()->Pitch((LastPosition[1] - CurrentPosition[1])*0.01);
	}
this->Interactor->GetRenderWindow()->Render();
}

void vtkInteractorStyleEsqui::MueveHerramienta(int *LastPosition, int *CurrentPosition, vtkTool *Tool) {
	if (this->RightButton) {
		vtkTransform *Transform = vtkTransform::New();
		if (LastPosition[1]-CurrentPosition[1]>0) {
			Transform->Translate(0,0,0.5);
		} else {
			Transform->Translate(0,0,0.5);
		}
		Tool->GetHerramientaCompleta()->SetUserTransform(Transform);
		Transform->Delete();
	} else if (this->LeftButton) {
		vtkMatrix4x4 *Matrix = vtkMatrix4x4::New();
		Matrix->Identity();
		Tool->GetHerramientaCompleta()->SetUserMatrix(Matrix);
		Matrix->Delete();
	}
}

void vtkInteractorStyleEsqui::PrintSelf(ostream& os, vtkIndent indent) {
	os << indent << "Left Button: " << this->LeftButton << endl;
	os << indent << "Right Button: " << this->RightButton << endl;
	os << indent << "Active Camera: " << this->ActiveCamera << endl;
	os << indent << "Active Tool: " << this->ActiveTool << endl;
	this->Superclass::PrintSelf(os,indent);
}