/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
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* Author: The ALICE Off-line Project.                                    *
* Contributors are mentioned in the code where appropriate.              *
*                                                                        *
* Permission to use, copy, modify and distribute this software and its   *
* documentation strictly for non-commercial purposes is hereby granted   *
* without fee, provided that the above copyright notice appears in all   *
* copies and that both the copyright notice and this permission notice   *
* appear in the supporting documentation. The authors make no claims     *
* about the suitability of this software for any purpose. It is          *
* provided "as is" without express or implied warranty.                  *
**************************************************************************/

// $Id$
// $MpId: AliMpTriggerSegmentation.cxx,v 1.7 2006/05/24 13:58:52 ivana Exp $

#include "AliMpTriggerSegmentation.h"

#include "AliLog.h"
#include "AliMpConnection.h"
#include "AliMpMotif.h"
#include "AliMpMotifPosition.h"
#include "AliMpMotifType.h"
#include "AliMpPCB.h"
#include "AliMpSlat.h"
#include "AliMpTrigger.h"

//-----------------------------------------------------------------------------
/// \class AliMpTriggerSegmentation
///
/// Implementation of AliMpVSegmentation for trigger slats.
///
/// \todo Implement CreateIterator method, if needed.
///
/// \author Laurent Aphecetche
//-----------------------------------------------------------------------------

/// \cond CLASSIMP
ClassImp(AliMpTriggerSegmentation)
/// \endcond

//_____________________________________________________________________________
AliMpTriggerSegmentation::AliMpTriggerSegmentation() 
: AliMpVSegmentation(),
  fkSlat(0),
  fIsOwner(false),
  fNofStrips(0)
{
  ///
  /// Default ctor. Not to be used really.
  ///
  AliDebug(1,Form("this=%p Empty ctor",this));
}

//_____________________________________________________________________________
AliMpTriggerSegmentation::AliMpTriggerSegmentation(
                               const AliMpTrigger* slat, Bool_t own) 
: AliMpVSegmentation(), 
  fkSlat(slat),
  fIsOwner(own),
  fNofStrips(0)
{
  ///
  /// Normal ctor.
  ///
  AliDebug(1,Form("this=%p Normal ctor slat=%p",this,slat));
  
  // Compute the number of strips.
  // We have to loop over all possible pads, in order to properly take
  // into account the fact that a given strip might be part of several
  // layer. Otherwise we would double count pads.


  for ( Int_t ix = 0; ix <= MaxPadIndexX(); ++ix )
  {
    for ( Int_t iy = 0; iy <= MaxPadIndexY(); ++iy )
    {
      if ( HasPadByIndices(ix,iy) )
      {
        ++fNofStrips;
      }
    }
  }
}

//_____________________________________________________________________________
AliMpTriggerSegmentation::~AliMpTriggerSegmentation()
{
  ///
  /// Dtor (empty).
  ///

  if ( fIsOwner ) delete fkSlat;

  AliDebug(1,Form("this=%p",this));			
}

//_____________________________________________________________________________
AliMpVPadIterator*
AliMpTriggerSegmentation::CreateIterator(const AliMpArea&) const
{
  ///
  /// Returns an iterator to loop over the pad contained within given area.
  /// Not implemented for trigger.
  AliError("Not implemented for trigger");
  return 0;
}

//_____________________________________________________________________________
AliMpVPadIterator*
AliMpTriggerSegmentation::CreateIterator() const
{
  ///
  /// Returns an iterator to loop over all the pads
  /// Not implemented for trigger.
  AliError("Not implemented for trigger");
  
  return 0;
}

//_____________________________________________________________________________
Int_t 
AliMpTriggerSegmentation::GetNeighbours(const AliMpPad& /*pad*/, 
                                        TObjArray& /*neighbours*/,
                                        Bool_t /*includeSelf*/,
                                        Bool_t /*includeVoid*/) const
{
  /// not implemented.
  AliError("Not implemented for trigger");
  return 0;
}

//_____________________________________________________________________________
Double_t  
AliMpTriggerSegmentation::GetDimensionX() const
{
/// Return slat x dimensions
  return Slat()->GetDimensionX();
}

//_____________________________________________________________________________
Double_t  
AliMpTriggerSegmentation::GetDimensionY() const
{
/// Return slat y dimensions
  return Slat()->GetDimensionY();
}

//_____________________________________________________________________________
void 
AliMpTriggerSegmentation::GetAllElectronicCardIDs(TArrayI& ecn) const
{
/// Fill the array ecn with all manuIds

  Slat()->GetAllLocalBoardNumbers(ecn);
}

//_____________________________________________________________________________
const char*
AliMpTriggerSegmentation::GetName() const
{
  /// Name of that segmentation = TriggerSegmentation + slatName
  TString name("TriggerSegmentation");
  if ( fkSlat) 
  {
    name += ".";
    name += fkSlat->GetName();
  }
  return name.Data();
}

//_____________________________________________________________________________
Int_t 
AliMpTriggerSegmentation::MaxPadIndexX() const
{
  ///
  /// Returns the value of the largest pad index in x-direction.
  ///
  
  return fkSlat->GetNofPadsX()-1;
}

//_____________________________________________________________________________
Int_t 
AliMpTriggerSegmentation::MaxPadIndexY() const
{
  ///
  /// Returns the value of the largest pad index in y-direction.
  ///
  
  return fkSlat->GetMaxNofPadsY()-1;
}

//_____________________________________________________________________________
AliMpPad
AliMpTriggerSegmentation::PadByLocation(Int_t manuId, Int_t manuChannel, 
                                        Bool_t warning) const
{
  ///
  /// Returns the pad specified by its location, where location is the 
  /// pair (ManuID,ManuChannel).
  /// If warning=kTRUE and the pad does not exist, a warning message is 
  /// printed.
  ///
  /// AliMpPad::Invalid() is returned if there's no pad at the given location.
  ///
  AliMpPad pad;
  
  for ( Int_t i = 0; i < fkSlat->GetSize(); ++i )
  {
    AliMpVSegmentation* seg = fkSlat->GetLayerSegmentation(i);
    AliMpPad pi = seg->PadByLocation(manuId,manuChannel,kFALSE);
    if ( pi.IsValid() ) 
    {
      if ( !pad.IsValid() )
      {
	// uses PadByIndices to get the complete list of locations
	return PadByIndices(pi.GetIx(), pi.GetIy(), warning);
      }
    }
  }
  if ( warning && !pad.IsValid()  )
  {
    AliWarning(Form("No pad found at location (%d,%d)", manuId, manuChannel));
  }
  return pad;
}

//_____________________________________________________________________________
AliMpPad
AliMpTriggerSegmentation::PadByIndices(Int_t ix, Int_t iy, 
                                       Bool_t warning) const
{
  ///
  /// Returns the pad specified by its integer indices.
  /// If warning=kTRUE and the pad does not exist, a warning message is 
  /// printed.
  ///
  /// AliMpPad::Invalid() is returned if there's no pad at the given location.
  ///
  ///  
 
  AliMpPad pad;

  for ( Int_t i = 0; i < fkSlat->GetSize(); ++i )
  {
    AliMpVSegmentation* seg = fkSlat->GetLayerSegmentation(i);
    AliMpPad pi = seg->PadByIndices(ix,iy,kFALSE);
    if ( pi.IsValid() ) 
    {      
      if ( !pad.IsValid() )
      {
        pad = AliMpPad(0, 0,
                       pi.GetIndices(),
                       pi.GetPositionX(),pi.GetPositionY(),
                       pi.GetDimensionX(), pi.GetDimensionY());
        pad.AddLocation(pi.GetManuId(), pi.GetManuChannel());
      }
      else
      {
        pad.AddLocation(pi.GetManuId(), pi.GetManuChannel());
      }  
    }
  }
  if ( warning && !pad.IsValid()  )
  {
    AliWarning(Form("No pad found at indices (%d,%d)",ix, iy));
  }
  
  return pad;
}

//_____________________________________________________________________________
AliMpPad
AliMpTriggerSegmentation::PadByPosition(Double_t x, Double_t y, 
                                     Bool_t warning) const
{
  ///
  /// Returns the pad specified by its (floating point) position.
  /// If warning=kTRUE and the pad does not exist, a warning message is 
  /// printed.
  ///
  /// AliMpPad::Invalid() is returned if there's no pad at the given location.
  ///
  AliMpPad pad;
  
  for ( Int_t i = 0; i < fkSlat->GetSize(); ++i )
  {
    AliMpVSegmentation* seg = fkSlat->GetLayerSegmentation(i);
    AliMpPad pi = seg->PadByPosition(x,y,kFALSE);
    if ( pi.IsValid() ) 
    {
      if ( !pad.IsValid() )
      {
        pad = AliMpPad(0, 0,
                       pi.GetIndices(),
                       pi.GetPositionX(),pi.GetPositionY(),
                       pi.GetDimensionX(), pi.GetDimensionY());
        pad.AddLocation(pi.GetManuId(), pi.GetManuChannel());
      }
      else
      {
        pad.AddLocation(pi.GetManuId(), pi.GetManuChannel());
      }  
    }
  }
  if ( warning && !pad.IsValid()  )
  {
    AliWarning(Form("No pad found at position (%e,%e)",x,y));
  }
  
  return pad;  
}

//_____________________________________________________________________________
AliMp::PlaneType
AliMpTriggerSegmentation::PlaneType() const
{
  /// Return plane type

  return Slat()->PlaneType();
}

//_____________________________________________________________________________
const AliMpTrigger* 
AliMpTriggerSegmentation::Slat() const
{
  ///
  /// Returns the pointer to the referenced slat.
  ///
  
  return fkSlat;
}

//_____________________________________________________________________________
Int_t 
AliMpTriggerSegmentation::GetNofElectronicCards() const
{
  /// Get the number of local board numbers
  
  TArrayI ecn;
  fkSlat->GetAllLocalBoardNumbers(ecn);
  return ecn.GetSize();  
}

//_____________________________________________________________________________
Double_t  
AliMpTriggerSegmentation::GetPositionX() const
{
  /// Return x position of origin
  return Slat()->GetPositionX();
}

//_____________________________________________________________________________
Double_t  
AliMpTriggerSegmentation::GetPositionY() const
{
  /// Return y position of origin
  return Slat()->GetPositionY();
}

//_____________________________________________________________________________
AliMpMotifPosition* 
AliMpTriggerSegmentation::MotifPosition(Int_t /* manuId */) const
{
  /// No implemented (yet ?)
  AliError("Not implemented");
  return 0x0;
}

//_____________________________________________________________________________
Bool_t 
AliMpTriggerSegmentation::HasMotifPosition(Int_t manuId) const
{
  /// Uses default implementation
  return AliMpVSegmentation::HasMotifPosition(manuId);
}