// ClusFindZPlane1_t.cc

// Test component ClusFindZPlane1.

#include "ClusFindZPlane1.h"
#include <cassert>
#include <string>
#include <sstream>
#include "objstream/StdObjStream.hpp"
#include "trfbase/ETrack.h"
#include "SurfZPlane.h"
#include "HitZPlane1.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 = "ClusFindZPlane1";
  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 zpos1 = 10.0;
  ClusFindZPlane1 find1(zpos1,0.01,0.02,10.0);
  cout << find1 << endl;

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

  cout << ok_prefix << "Check the surface." << endl;
  SurfZPlane srf1(zpos1);
  assert( srf1 == find1.get_surface() );

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

  cout << ok_prefix << "Construct a axy finder." << endl;
  double zpos2 = 20.0;
  double wx2 = 0.1; 
  double wy2 = 0.2;
  ClusFindZPlane1 find2(zpos2,wx2,wy2,10.0);
  cout << find2 << endl;

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

  
  cout << ok_prefix << "Add axy clusters to finder." << endl;
  ClusterPtr pclu21 = new ClusZPlane1(zpos2,wx2,wy2,3.004,0.02);
  ClusterPtr pclu22 = new ClusZPlane1(zpos2,wx2,wy2,3.071,0.02); //wrong
  ClusterPtr pclu23 = new ClusZPlane1(zpos2,wx2,wy2,2.935,0.02);
  ClusterPtr pclu24 = new ClusZPlane1(zpos2,wx2,wy2,2.929,0.02); //wrong
  ClusterPtr pclu25 = new ClusZPlane1(zpos2,wx2,wy2,3.065,0.02);
  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;
  SurfZPlane srf2(zpos2);
  TrackVector vec;
  TrackError err;
  err(SurfZPlane::IX,SurfZPlane::IX) = 0.001;
  err(SurfZPlane::IY,SurfZPlane::IY) = 0.001;
  err(SurfZPlane::IDXDZ,SurfZPlane::IDXDZ) = 0.01;
  err(SurfZPlane::IDYDZ,SurfZPlane::IDYDZ) = 0.01;
  err(SurfZPlane::IQP,SurfZPlane::IQP) = 0.01;
  vec(SurfZPlane::IY) = 35.0;
  vec(SurfZPlane::IX) = (3.0 - wy2*vec(SurfZPlane::IY))/wx2;
  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<ClusFindZPlane1>();

  cout << ok_prefix << "Write object data." << endl;
  {
    ObjPtr pobj( new ClusFindZPlane1(30,0.1,0.9,10.0) );
    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("ClusFindZPlane1 ",pos)) != string::npos );
    assert( (pos=mystream.str().find("z",pos)) != string::npos );
    assert( (pos=mystream.str().find("30. ",pos)) != string::npos );
    assert( (pos=mystream.str().find("xweight",pos)) != string::npos );
    assert( (pos=mystream.str().find("0.1 ",pos)) != string::npos );
    assert( (pos=mystream.str().find("yweight",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 ClusFindZPlane1";
    istring += "\n  z=60.";
    istring += "\n  xweight=0.8";
    istring += "\n  yweight=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 ClusFindZPlane1* pobj;
      ObjTable::get_object(name,pobj);
      assert( pobj != 0 );
      assert( pobj->get_type() == ClusFindZPlane1::get_static_type() );
      assert( ((const SurfZPlane&)(pobj->get_surface())).get_z() == 60.0 );
      assert( pobj->get_max_chsq_diff() == 20.0 );
    }
  }

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

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

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

}