/*
 * mpodChannel.cc
 *
 *  Created on: July 28, 2014
 *      Author: Hovanes Egiyan
 */

#include "mpodChannel.hh"


mpodChannel::mpodChannel(string uri, string name, dbSubsystem* subsystemPtr, int chID ) :
epicsChannel( uri, name, subsystemPtr, chID ) {
	chanName = getMPODChannelName( slotNumber, chanNum );
	this->initBoardFileName();
}

// static function to determine the channel name based on the MPOD convention
std::string mpodChannel::getMPODChannelName( int slot, int chan ) {
	stringstream chanNameStream;
	chanNameStream << slot * 100 + chan;
	return  chanNameStream.str();
}


void mpodChannel::loadRecords( string detPrefix, string iocPrefix ) {
	cout << "Loading EPICS DB files for channel " << fullName << endl;
	// Now load DB files for the particular detectors that this channel belongs to
	// Load the files that needs to be loaded for all detectors for this board type
	string detName( "AllDetectors" );
	vector<string> detVector = boardFileName[detName];
	for ( unsigned iFile = 0; iFile < detVector.size(); iFile++ ) {
		BaseMacro4DB* macroF = &macroDefault;
		if ( macroFunctor[detName][detVector[iFile]] != 0 ) {
			cout << "Redefining functor for " << detName << "," << detVector[iFile] << endl;
			macroF = macroFunctor[detName][detVector[iFile]];
		}
		string macroSubstitutions = (*macroF)( detPrefix, iocPrefix, const_cast<mpodChannel*>(this) );

		cout << "Loading " << detVector[iFile] << " with macros " << macroSubstitutions << endl;
		dbLoadRecords( detVector[iFile].c_str(), macroSubstitutions.c_str() );
	}
	cout << "Loading extras" << endl;
	// Load DB files that are only needed for particular detectors
	cout << " Subsystems name is " << subsystemPtr->getName() << endl;
	cout << "Detector name is " << subsystemPtr->getRootName() << endl;

	detName = subsystemPtr->getRootName();
	if ( boardFileName.count( detName ) > 0 ) {
		detVector = boardFileName[detName];
		for ( unsigned iFile = 0; iFile < detVector.size(); iFile++ ) {
			// Default is the macro substitution for channel name
			cout << "Using default functor" << endl;
			BaseMacro4DB* macroF = &macroDefault;
			if ( macroFunctor[detName][detVector[iFile]] != 0 ) {
				// if we defined another macro substitution function use that one
				cout << "Redefining functor for " << detName << "," << detVector[iFile] << endl;
				macroF = macroFunctor[detName][detVector[iFile]];
			}
			string macroSubstitutions = (*macroF)( detPrefix, iocPrefix, const_cast<mpodChannel*>(this) );
			cout << "Loading " << detVector[iFile] << " with macros " << macroSubstitutions << endl;
			dbLoadRecords( detVector[iFile].c_str(), macroSubstitutions.c_str() );
		}
	}
	cout << "Finished loading EPICS DB files for channel " << fullName << endl;
	return;
}

void mpodChannel::initBoardFileName() {
	// the interlock is generic for both bias and lv channels
	if ( ! dbFileIsIncluded( "AllDetectors",  "db/DetMPODItLk.db" ) ) {
		boardFileName["AllDetectors"].push_back( "db/DetMPODItLk.db" );
		macroFunctor["AllDetectors"]["db/DetMPODItLk.db"] = &macroDefault;
	}
}