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//
// G4DCIOcatalog
//
// Class Description:
//
// Catalog for the I/O manager of digits collection for each detector

// Author: Youhei Morita, 12.09.2001
// --------------------------------------------------------------------
#ifndef G4DCIOCATALOG_HH
#define G4DCIOCATALOG_HH 1

#include <map>
#include "G4Types.hh"
#include "G4VPDigitsCollectionIO.hh"

class G4VDCIOentry;

using DCIOmap = std::map<G4String, G4VDCIOentry*,
                         std::less<G4String>>;
using DCIOstore = std::map<G4String, G4VPDigitsCollectionIO*,
                           std::less<G4String>>;

class G4DCIOcatalog
{
  public:

    G4DCIOcatalog();
      // Constructor

    virtual ~G4DCIOcatalog() {}
      // Destructor

    static G4DCIOcatalog* GetDCIOcatalog();
      // Construct G4DCIOcatalog and returns the pointer

    void SetVerboseLevel(int v) { m_verbose = v; }
      // Set verbose level

    void RegisterEntry(G4VDCIOentry* d);
      // Register I/O manager entry

    void RegisterDCIOmanager(G4VPDigitsCollectionIO* d);
      // Register I/O manager

    G4VDCIOentry* GetEntry(const G4String& name);
      // Returns the I/O manager entry

    G4VPDigitsCollectionIO* GetDCIOmanager(const G4String& name);
      // Returns the registered I/O manager entry

    void PrintEntries();
      // Prints the list of I/O manager entries

    G4String CurrentDCIOmanager();
      // Returns the list of I/O managers

    void PrintDCIOmanager();
      // Prints the list of I/O managers

    std::size_t NumberOfDCIOmanager() { return theStore.size(); }
      // Returns the number of registered I/O managers

    G4VPDigitsCollectionIO* GetDCIOmanager(G4int n);
      // Returns the n-th registered I/O manager entry

  private:

    G4int m_verbose = 0;
    static G4ThreadLocal G4DCIOcatalog* f_thePointer;
    DCIOmap theCatalog;
    DCIOstore theStore;
};

#endif