#ifndef SPADIC_MESSAGE_H
#define SPADIC_MESSAGE_H

#include <vector>
#include <stdint.h>
#include <list>
#include <cstring>

/*
 * Susibo/Spadic Message wrapper for DABC and Go4
 * First version 21-October-2010 by JAM
 */

// switches debug output between dabc logger and iostream:
// set this define to use Message class without dabc (Go4 Unpacker!)
//#define __SPADIC_WITHOUT_DABC__ 1

#define SUSIBO_PACKAGE_LENGTH 368
#define SUSIBO_MAX_CHANNEL 8
#define SUSIBO_MAX_SAMPLE 45

namespace spadic {

   extern const char* typeSusiboInput;
   extern const char* nameReadoutAppClass;
   extern const char* xmlNumSusibo;
   extern const char* xmlSusiboDevID;
   extern const char* xmlHitDelay;
   extern const char* xmlEventsPerBuffer;
   extern const char* xmlFormatMbs;
   extern const char* xmlTimeout;
   extern const char* xmlUseInternalTrigger;
   extern const char* xmlInternalTriggerFreq;
   extern const char* xmlModuleName;
   extern const char* xmlModuleThread;

   enum { bt_Spadic = 104 };


   /* this class wraps the susibo message contained in the external byte vector*/
   class Message {
      public:

         enum PackageKind {
            packageNone      = 0,
            packageVector    = 1,  // message stored in std vector
            packageStruct    = 2  // message expanded to structure in memory
         };

         /* external data package from susibo will be wrapped into this object*/
         Message(std::vector<uint8_t> * package);

         /* external data field will be wrapped into this object*/
         Message(uint8_t* field);

         virtual ~Message();

         /* evaluate the event id (trigger message) number from the current package*/
         uint32_t GetEventIDNumber();

         /* evaluate the status from the package*/
         uint16_t GetStatusNumber();

         /* evaluate susibo timestamp*/
         uint32_t GetTimeStamp();

         /* Check if current message has correct length and format*/
         bool CheckMessage();

         /* Direct access to message data with general index*/
         uint8_t Data(size_t ix)
         {
            switch (fKind) {
               case packageVector:
                  return (fPackage->at(ix));
               case packageStruct:
                  return fField[ix];
               default:
                  return 0;
            };
            return 0;
         }

         /* access sample data of channel*/
         uint8_t Sample(size_t channel, size_t bin)
         {
            if (channel>=SUSIBO_MAX_CHANNEL) return 0;
            size_t ix=channel*SUSIBO_MAX_SAMPLE + bin;
            if(ix>=SUSIBO_PACKAGE_LENGTH) return 0;
            return Data(ix);
         }

      protected:

         /* reference to the package containing the current message*/
         std::vector<uint8_t> * fPackage;

         /* reference to the package containing the current message*/
         uint8_t* fField;

         PackageKind fKind;

   };

}

#endif