#ifndef PORYGONLANG_BOUNDSCOPE_HPP
#define PORYGONLANG_BOUNDSCOPE_HPP

#include <string>
#include <unordered_map>
#include <vector>
#include <memory>
#include "BoundVariable.hpp"
#include "BoundVariableKey.hpp"
#include "VariableAssigmentResult.hpp"
#include "../../Utilities/HashedString.hpp"

using namespace std;

class BoundScope {
    unordered_map<int, BoundVariable*>* _tableScope;
    vector<unordered_map<int, BoundVariable*>*> _localScope;
    int _currentScope;
    int _deepestScope;
public:
    explicit BoundScope(unordered_map<int, BoundVariable*> *tableScope);
    ~BoundScope();

    void GoInnerScope();
    void GoOuterScope();

    int Exists(int key);
    BoundVariable* GetVariable(int scope, int identifier);
    VariableAssignment CreateExplicitLocal(int identifier, std::shared_ptr<ScriptType> type);
    VariableAssignment AssignVariable(int identifier, const std::shared_ptr<ScriptType>& type);

    int GetDeepestScope(){
        return _deepestScope;
    }

    int GetCurrentScope(){
        return _currentScope;
    }
};


#endif //PORYGONLANG_BOUNDSCOPE_HPP