#pragma once

#include <unordered_map>
#include <iostream>

#include "ast/ast.hpp"
#include "util/input.hpp"

namespace fsh {

    class fsh {
      public:
        std::unordered_map<std::string, std::string> environment;

        static fsh& instance() {
            static fsh f;
            return f;
        }

        void run_line(std::string& line, std::istream& in = util::cin, std::ostream& out = std::cout);
        void run();

      private:
        fsh() {
            environment["PROMPT"] = "$";
            environment["QUIT"]   = "";
        }
    };

}