// ClusFindXYPlane1_t.cc

// Test component ClusFindXYPlane1.

#include "ClusFindXYPlane1.h"
#include <cassert>
#include <string>
#include <sstream>
#include "objstream/StdObjStream.hpp"
#include "trfbase/ETrack.h"
#include "SurfXYPlane.h"
#include "HitXYPlane1.h"
#include "trfutil/TRFMath.h"
#include "trfutil/trfstream.h"

#ifndef DEFECT_NO_STDLIB_NAMESPACES
using std::cout;
using std::cerr;
using std::endl;
using std::string;
using std::ostringstream;
using std::istringstream;
#endif

using namespace trf;

//**********************************************************************

int main( ) {

  string component = "ClusFindXYPlane1";
  string ok_prefix = component + " (I): ";
  string error_prefix = component + " test (E): ";

  cout << ok_prefix
       << "-------- Testing component " + component
          + ". --------" << endl;

  // Make sure assert is enabled.
  bool assert_flag = false;
  assert ( ( assert_flag = true, assert_flag ) );
  if ( ! assert_flag ) {
    cerr << "Assert is disabled" << endl;
    return 1;
  }

  //********************************************************************
  cout << trf_format;

  cout << ok_prefix << "Test constructor." << endl;
  double dist1 = 10.0;
  double phi1  = PI/4.;
  ClusFindXYPlane1 find1(dist1,phi1,0.01,0.02,10.0);
  cout << find1 << endl;

  //********************************************************************

  cout << ok_prefix << "Check the surface." << endl;
  SurfXYPlane srf1(dist1,phi1);
  assert( srf1 == find1.get_surface() );

  //********************************************************************

  cout << ok_prefix << "Construct a axy finder." << endl;
  double dist2 = 20.0;
  double phi2  = PI/3.;
  double wv2 = 0.1; 
  double wz2 = 0.2;
  ClusFindXYPlane1 find2(dist2,phi2,wv2,wz2,10.0);
  cout << find2 << endl;

  //********************************************************************

  
  cout << ok_prefix << "Add axy clusters to finder." << endl;
  ClusterPtr pclu21 = new ClusXYPlane1(dist2,phi2,wv2,wz2,3.004,0.02);
  ClusterPtr pclu22 = new ClusXYPlane1(dist2,phi2,wv2,wz2,3.071,0.02); //wrong
  ClusterPtr pclu23 = new ClusXYPlane1(dist2,phi2,wv2,wz2,2.935,0.02);
  ClusterPtr pclu24 = new ClusXYPlane1(dist2,phi2,wv2,wz2,2.929,0.02); //wrong
  ClusterPtr pclu25 = new ClusXYPlane1(dist2,phi2,wv2,wz2,3.065,0.02);
  find2.add_cluster(pclu21);
  find2.add_cluster(pclu22);
  find2.add_cluster(pclu23);
  find2.add_cluster(pclu24);
  int stat = find2.add_cluster(pclu25);
  assert( ! stat );
  assert( find2.get_clusters().size() == 5 );

  //********************************************************************

  cout << ok_prefix << "Find nearby axy clusters." << endl;
  SurfXYPlane srf2(dist2,phi2);
  TrackVector vec;
  TrackError err;
  err(SurfXYPlane::IV,SurfXYPlane::IV) = 0.001;
  err(SurfXYPlane::IZ,SurfXYPlane::IZ) = 0.001;
  err(SurfXYPlane::IDVDU,SurfXYPlane::IDVDU) = 0.01;
  err(SurfXYPlane::IDZDU,SurfXYPlane::IDZDU) = 0.01;
  err(SurfXYPlane::IQP,SurfXYPlane::IQP) = 0.01;
  vec(SurfXYPlane::IZ) = 35.0;
  vec(SurfXYPlane::IV) = (3.0 - wz2*vec(SurfXYPlane::IZ))/wv2;
  ETrack tre2(SurfacePtr(srf2.new_pure_surface()),vec,err);
  cout << tre2 << endl;
  ClusterList nearby_clusters = find2.get_clusters(tre2);
  assert( nearby_clusters.size() == 3 );
  cout << *nearby_clusters.front() << endl;
  cout << *nearby_clusters.back() << endl;
  assert( *nearby_clusters.front() == *pclu23 );
  assert( *nearby_clusters.back() == *pclu25 );

  //********************************************************************

  cout << ok_prefix << "Drop clusters." << endl;
  find2.drop_clusters();
  assert( find2.get_clusters().size() == 0 );
  assert( find2.get_clusters(tre2).size() == 0 );

  //********************************************************************

  cout << ok_prefix << "Find a single cluster." << endl;
  find2.add_cluster(pclu23);
  assert( find2.get_clusters().size() == 1 );
  assert( find2.get_clusters(tre2).size() == 1 );


  //********************************************************************

  ObjTable::register_type<ClusFindXYPlane1>();

  cout << ok_prefix << "Write object data." << endl;
  {
    ObjPtr pobj( new ClusFindXYPlane1(30,0.12,0.1,0.9,10.0) );
    ostringstream mystream;
    StdObjStream objstream(mystream);
    objstream.write_object("obj1",pobj);
    cout << mystream.str() << endl;
    assert( ObjTable::has_object_name("obj1") );
    string::size_type pos = 0;
    assert( (pos=mystream.str().find("obj1 ",pos)) != string::npos );
    assert( (pos=mystream.str().find("ClusFindXYPlane1 ",pos)) != string::npos );
    assert( (pos=mystream.str().find("dist",pos)) != string::npos );
    assert( (pos=mystream.str().find("30. ",pos)) != string::npos );
    assert( (pos=mystream.str().find("phi",pos)) != string::npos );
    assert( (pos=mystream.str().find(".12 ",pos)) != string::npos );
    assert( (pos=mystream.str().find("vweight",pos)) != string::npos );
    assert( (pos=mystream.str().find("0.1 ",pos)) != string::npos );
    assert( (pos=mystream.str().find("zweight",pos)) != string::npos );
    assert( (pos=mystream.str().find("0.9 ",pos)) != string::npos );
    assert( (pos=mystream.str().find("max_chsq_diff",pos)) != string::npos );
    assert( (pos=mystream.str().find("10. ",pos)) != string::npos );
  }

  //********************************************************************

  cout << ok_prefix << "Read object data." << endl;
  {
    string istring = "[ obj2 ClusFindXYPlane1";
    istring += "\n  dist=60.";
    istring += "\n  phi=0.24";
    istring += "\n  vweight=0.8";
    istring += "\n  zweight=0.2";    
    istring += "\n  max_chsq_diff=20.";
    istring += "\n]";
    istringstream isstrm(istring);
    {
      StdObjStream obstr(isstrm);
      string name = obstr.read_object();
      assert( name == "obj2" );
      const ClusFindXYPlane1* pobj;
      ObjTable::get_object(name,pobj);
      assert( pobj != 0 );
      assert( pobj->get_type() == ClusFindXYPlane1::get_static_type() );
      assert( ((const SurfXYPlane&)(pobj->get_surface())).get_parameter(SurfXYPlane::DISTNORM) == 60.0 );
      assert( ((const SurfXYPlane&)(pobj->get_surface())).get_parameter(SurfXYPlane::NORMPHI) == 0.24 );
      assert( pobj->get_max_chsq_diff() == 20.0 );
    }
  }

  //********************************************************************
  

  cout << ok_prefix
       << "------------- All tests passed. -------------" << endl;
  return 0;

  //********************************************************************

}