#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;

namespace Porygon::Binder {
    class BoundScope {
        unordered_map<uint32_t, BoundVariable *> *_tableScope;
        vector<unordered_map<uint32_t, BoundVariable *> *> _localScope;
        int _currentScope;
        int _lastCreatedScope;
    public:
        explicit BoundScope(unordered_map<uint32_t, BoundVariable *> *tableScope);

        ~BoundScope();

        void GoInnerScope();

        void GoOuterScope();

        int Exists(int key);

        BoundVariable *GetVariable(uint32_t scope, uint32_t identifier);

        VariableAssignment CreateExplicitLocal(uint32_t identifier, std::shared_ptr<ScriptType> type);

        VariableAssignment AssignVariable(uint32_t identifier, const std::shared_ptr<ScriptType> &type);

        size_t GetLocalVariableCount() {
            return _localScope.size();
        }

        int GetCurrentScope() {
            return _currentScope;
        }
    };
}


#endif //PORYGONLANG_BOUNDSCOPE_HPP