#ifndef __PREFIX_MAX__KEYGENERATOR_
#define __PREFIX_MAX__KEYGENERATOR_

//------------------------------------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------------------------------------
#include <iostream>
#include <string>
#include <sstream>
#include <stdio.h>
#include <stdlib.h>
#include <map>

#include "KeyThing.h"

/*
* Class that manages the creation of std::string keys of multiple objects independently, identified each by a unique name.
* Format of the key is: <prefixOfTheKeyThing> <maxOfTheKeyThing>
*/
class PrefixMaxKeyGenerator{
//------------------------------------------------------------------------------------------------------------
// Constructors & Destructors
//------------------------------------------------------------------------------------------------------------
public:

	/*
	* Creates the prefix+max key generator	
	*/
	PrefixMaxKeyGenerator();

	/*
	* Destroys the outline manager
	*/
	~PrefixMaxKeyGenerator();

//------------------------------------------------------------------------------------------------------------
// Public Methods
//------------------------------------------------------------------------------------------------------------

	/*
	* Adds a key thing to the keyThings building the respective KeyThing (new keyThing). 
	* @param theName Is the name of the new keyThing to include. If the name is not unique, returns false.
	* @param thePrefix Is the prefix of the new keyThing for the key generation correponding to the new keyThing
	* @param theMax Is the maximum value for the key generation correponding to the new keyThing
	* @return Returns true if the keyThing could be added of not.
	*/
	bool addKeyThing( std::string theName, std::string thePrefix, int theMax=0 );

	/*
	* Remove a key thing  
	* @param theName Is the name of the keyThing to remove. 
	*/
	void removeKeyThing( std::string theName );

	/*
	* Indicates if a key thing existis in the generator
	* @param theName Is the name of the keyThing to search. 
	* @return Returns true if the keyThing exists in the keyThings.
	*/
	bool existsKeyThing( std::string theName );

	/*
	* Updates the maximum value of a key thing if necesary (posibleMax>theMaxOfKeyThing). If the key thing doesn't exist nothing is done.
	* @param theName Is the name of the keyThing to update. 	
	* @param posibleMax Is the number that corresponds to a posible max value of the keyThing to update. 
	*/
	void updateMaxTo( std::string theName, int posibleMax );

	/*
	* Generates a (std::string) key for a given keyThing. If the key thing doesn't exist nothing is done and returns false.
	* @param theName Is the name of the keyThing to search. 
	* @param theInputString Is string to load the generated key formed like <prefixOfTheKeyThing> <maxOfTheKeyThing>
	* @return theKey Returns true if the key was generated successfully. (If theName is an existent keyThing)
	*/
	bool generateKeyOf( std::string theName , std::string &theInputString );

	/*
	* Generates a (std::string) key for a given keyThing and updates the max value of it if necesary. If the key thing doesn't exist nothing is done. 
	* @param theName Is the name of the keyThing to search. 
	* @param posibleMax Is the number that corresponds to a posible max value of the keyThing to update. 
	* @param theInputString Is string to load the generated key formed like <prefixOfTheKeyThing> <maxOfTheKeyThing>
	* @return Returns true if the key was generated successfully. (If theName is an existent keyThing)
	*/
	bool generateKeyOf( std::string theName,  int posibleMax, std::string &theInputString );

	/*
	* Gets the prefix of a specific keyThing identified with the name in the parameter, if the key thing doesn't exists return false.
	* @param theName Is the name of the keyThing to search the prefix. 
	* @param theInputString Is string to load the prefix of the searched keyThing.
	* @return isStringOutputReal Returns if the loaded string in theInputString is real (i.e if the -theName- keyThing exists)
	*/
	bool getPrefixOf(std::string theName, std::string &theInputString);

	/*
	* Gets the max value of a specific keyThing identified with the name in the parameter. If the key thing doesn't exists returns -1.
	* @param theName Is the name of the keyThing to search the maximum. 	
	* @return theMax Returns the maxumum value for key generation at the keyThing. Returns -1 if not finded keyThing.
	*/
	int getCurrentMaxOf(std::string theName);

	/*
	* Gets the total of keyThings managed
	* @return Retuns the total of keyThing managed
	*/
	int getTotalThingsNumber();

	/*
	* Clears the generator deleating the existring keyThings
	*/
	void clear();
	
//------------------------------------------------------------------------------------------------------------
// Constants
//------------------------------------------------------------------------------------------------------------

//------------------------------------------------------------------------------------------------------------
// Attributes
//------------------------------------------------------------------------------------------------------------
	
private: 	

	/*
	* Represents the number of things that are currently managing
	*/
	int numberOfKeyThings;

	/*
	* Represents the map or table in which the key-things are saved
	*/
	std::map<std::string,KeyThing> keyThings;
};
#endif