#ifndef PORYGONLANG_SCRIPT_HPP
#define PORYGONLANG_SCRIPT_HPP

#include <utility>
#include <string>
#include <unordered_map>
#include "Diagnostics/DiagnosticsHolder.hpp"
#include "Binder/BoundStatements/BoundStatement.hpp"
class Script;
class Evaluator;
#include "Evaluator/Evaluator.hpp"
#include "Evaluator/EvalValues/EvalValue.hpp"
#include "Utilities/HashedString.hpp"

using namespace std;

class Script {
    friend class Evaluator;

    Evaluator* _evaluator;
    unordered_map<uint32_t, shared_ptr<EvalValue>>* _scriptVariables;
    BoundScriptStatement* _boundScript;
    shared_ptr<ScriptType> _returnType;

    explicit Script();
    void Parse(const u16string& script);
public:
    static Script* Create(const u16string& script);
    static Script* Create(const string& script);
    DiagnosticsHolder* Diagnostics;

    ~Script();

    shared_ptr<ScriptType> GetReturnType(){
        return _returnType;
    }

    void SetReturnType(shared_ptr<ScriptType> t){
        _returnType  = t;
    }

    EvalValue* Evaluate();

    EvalValue* GetLastValue();

    EvalValue* GetVariable(const u16string& key);
    bool HasVariable(const u16string& key);

    shared_ptr<EvalValue> CallFunction(const u16string& key, const vector<EvalValue*>& variables);
    bool HasFunction(const u16string& key);
};


#endif //PORYGONLANG_SCRIPT_HPP