#ifndef AST_INTERPRETER_HH
#define AST_INTERPRETER_HH

#include "expr.hh"
#include "stmt.hh"
#include "environment.hh"
#include "../tokenizer.hh"
#include <vector>

struct AstInterpreter {
  void interpret(const std::vector<Stmt> &statements);

private:
  void execute(const Stmt &stmt);
  void execute_expression_statement(const Stmt &stmt);
  void execute_print_statement(const Stmt &stmt);
  void execute_var_statement(const Stmt &stmt);

  Object evaluate(const Expr &expr);
  Object evaluate_binary_expression(const Expr &expr);
  Object evaluate_grouping_expression(const Expr &expr);
  Object evaluate_literal_expression(const Expr &expr);
  Object evaluate_unary_expression(const Expr &expr);
  Object evaluate_variable_expression(const Expr &expr);
  Object evaluate_assignment_expression(const Expr &expr);
  bool is_truthy(const Object &object);
  bool is_equal(const Object &left, const Object &right);

  Environment environment{};
};

#endif