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// Authors: S. Guatelli and M. G. Pia, INFN Genova, Italy
// 
// Based on code developed by the undergraduate student G. Guerrieri 
// Note: this is a preliminary beta-version of the code; an improved 
// version will be distributed in the next Geant4 public release, compliant
// with the design in a forthcoming publication, and subject to a 
// design and code review.
//
#include "G4MIRDTrunk.hh"
#include "globals.hh"
#include "G4SDManager.hh"
#include "G4VisAttributes.hh"
#include "G4HumanPhantomMaterial.hh"
#include "G4EllipticalTube.hh"
#include "G4RotationMatrix.hh"
#include "G4ThreeVector.hh"
#include "G4VPhysicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4HumanPhantomColour.hh"

G4MIRDTrunk::G4MIRDTrunk()
{
}

G4MIRDTrunk::~G4MIRDTrunk()
{

}

G4VPhysicalVolume* G4MIRDTrunk::Construct(const G4String& volumeName, G4VPhysicalVolume* mother, 
					      const G4String& colourName, G4bool wireFrame,G4bool sensitivity)
{

  G4HumanPhantomMaterial* material = new G4HumanPhantomMaterial();
   
  G4cout << "Construct " << volumeName << G4endl;
   
  G4Material* soft = material -> GetMaterial("soft_tissue");
 
  delete material;

  // MIRD Male trunk

  G4double dx = 20. * cm;
  G4double dy = 10. * cm;
  G4double dz = 35. * cm;

  G4EllipticalTube* trunk = new G4EllipticalTube("Trunk",dx, dy, dz);

  G4LogicalVolume* logicTrunk = new G4LogicalVolume(trunk, soft, 
	 					    "logical" + volumeName,
						    0, 0, 0);
  G4RotationMatrix* rm = new G4RotationMatrix();
  rm -> rotateX(90.* degree);

  // Define rotation and position here!
  G4VPhysicalVolume* physTrunk = new G4PVPlacement(rm,
				 G4ThreeVector(0.* cm, 35.0 *cm, 0.*cm),
      			       "physicalTrunk",
  			       logicTrunk,
			       mother,
			       false,
			       0, true);

  // Sensitive Body Part
  if (sensitivity == true)
  { 
    G4SDManager* SDman = G4SDManager::GetSDMpointer();
    logicTrunk->SetSensitiveDetector( SDman->FindSensitiveDetector("BodyPartSD") );
  }

  // Visualization Attributes
  G4HumanPhantomColour* colourPointer = new G4HumanPhantomColour();
  G4Colour colour = colourPointer -> GetColour(colourName);
  G4VisAttributes* TrunkVisAtt = new G4VisAttributes(colour);
  TrunkVisAtt->SetForceSolid(wireFrame);
  logicTrunk->SetVisAttributes(TrunkVisAtt);

  G4cout << "Trunk created !!!!!!" << G4endl;

  // Testing Trunk Volume
  G4double TrunkVol = logicTrunk->GetSolid()->GetCubicVolume();
  G4cout << "Volume of Trunk = " << TrunkVol/cm3 << " cm^3" << G4endl;
  
  // Testing Trunk Material
  G4String TrunkMat = logicTrunk->GetMaterial()->GetName();
  G4cout << "Material of Trunk = " << TrunkMat << G4endl;
  
  // Testing Density
  G4double TrunkDensity = logicTrunk->GetMaterial()->GetDensity();
  G4cout << "Density of Material = " << TrunkDensity*cm3/g << " g/cm^3" << G4endl;

  // Testing Mass
  G4double TrunkMass = (TrunkVol)*TrunkDensity;
  G4cout << "Mass of Trunk = " << TrunkMass/gram << " g" << G4endl;

  
  return physTrunk;
}