/*
 * dbSubsystem.hh
 *
 *  Class to deal with the detector hierarchy in SQLite and MySQL DB for Hall D.
 *  Created on: July 23, 2014
 *      Author: Hovanes Egiyan
 */

#ifndef _DBSUBSYSTEM_HH_
#define _DBSUBSYSTEM_HH_

#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <sstream>
#include <algorithm>
#include <QtSql/QtSql>

using namespace std;

#include "dbCrate.hh"

#include "dbObject.hh"

class dbSubsystem : public dbObject {
private:
//	dbSubsystem( const dbSubsystem& subsystem ) {return;}
	dbSubsystem operator=( dbSubsystem& subsystem ){return *this;}

protected:
    int 							id         	;						// id in the detector hierarchy DB
    int 							parent_id  	;						// paprent_id in the detector hierarchy tree
    string							name       	;						// name in the detector hierarchy tree
    string							type       	;						// type in the detector hierarchy tree
    int								chanid     	;						// chanid in the detector hierarchy tree
    string							mtime      	;						// mtime (modification time) in the detector hierarchy tree

    vector<dbSubsystem*>			children   	;						// A list with the children of this object taken from the detector hierarchy DB
    dbSubsystem*					parentSys  	;						// Reference to the parent object of the same class as self

    static QString					sqlFindSubsysColumns;				// String to find the columns for a subsystem with a known unique id
    static QString					sqlFindChildren	;					// String to find the children of the subsystem
    static QString					sqlFindCrates	;					// String to find the crate for a given channel
    static QString					sqlFindChannels	;					// String to find some usefull parameters for a channel

    void defineChannelParameters();
public:
    dbSubsystem( string uri, int subsystemID = 0, dbSubsystem* parent = 0 );
//    dbSubsystem( int subsystemID = 0, string uri );
	virtual ~dbSubsystem();

//	virtual map<string, map<string, string> > 	findCrates();			// Find crates for this subsystem
	virtual map<int, map<string, string> >  	findChannels();			// Get all the channels for this subsystem
	virtual vector<dbSubsystem*>  				getChannelVector();		// Get all the channels for this subsystem
	vector<dbCrate*> 							getCrateVector();		// Get all crates for this subsystem
	virtual string								printToStream( ostream& stream );	// Print to output stream

	virtual vector<dbSubsystem*>				findChildren();						// Find children subsystems of this subsystem object
    virtual string 								getFullPath( string separator = "->" ); 	// return the full path to this object
    virtual string								getRootName();						// return the name of the top level subsystem


	virtual inline int 							getID() { return id; }
	virtual inline int							getParentID() {return parent_id;}
	virtual inline string						getName() {return name;}
	virtual inline string						getType() {return type;}
	virtual inline int							getChanID() {return chanid;}
	virtual inline string						getModTime() {return mtime;}

	virtual inline vector<dbSubsystem*>			getChildrenVector() { return children; }
	virtual inline dbSubsystem* 				getParentPointer() { return parentSys; }

};
// A class for exceptions inherited from string
struct NoCrateException : public std::exception
{
   std::string s;
   NoCrateException(std::string ss) : s(ss) {}
   ~NoCrateException() throw () {} // Updated
   const char* what() const throw() { return s.c_str(); }
};


#endif /* _DBSUBSYSTEM_HH_ */