// This file is distributed under the BSD License.
// See "license.txt" for details.
// Copyright 2009-2012, Jonathan Turner (jonathan@emptycrate.com)
// and Jason Turner (jason@emptycrate.com)
// http://www.chaiscript.com

#ifndef CHAISCRIPT_STDLIB_HPP_
#define CHAISCRIPT_STDLIB_HPP_

#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>

#include "chaiscript_defines.hpp"
#include "language/chaiscript_common.hpp"

#include "dispatchkit/function_call.hpp"

// #include "dispatchkit/dispatchkit.hpp"
#include "dispatchkit/bootstrap.hpp"
#include "dispatchkit/bootstrap_stl.hpp"
#include "dispatchkit/operators.hpp"
// #include "dispatchkit/boxed_value.hpp"
#include "dispatchkit/register_function.hpp"
#include "language/chaiscript_prelude.hpp"
#include "utility/json_wrap.hpp"

#ifndef CHAISCRIPT_NO_THREADS
#include <future>
#endif

/// @file
///
/// This file generates the standard library that normal ChaiScript usage requires.

namespace chaiscript {
  class Std_Lib {
  public:
    [[nodiscard]] static ModulePtr library(const std::vector<Library_Options> &t_opts = {}) {
      if (std::find(t_opts.begin(), t_opts.end(), Library_Options::No_Stdlib) != t_opts.end()) {
        return std::make_shared<Module>();
      }

      auto lib = std::make_shared<Module>();

      const bool no_prelude = std::find(t_opts.begin(), t_opts.end(), Library_Options::No_Prelude) != t_opts.end();
      const bool no_json = std::find(t_opts.begin(), t_opts.end(), Library_Options::No_JSON) != t_opts.end();

      bootstrap::Bootstrap::bootstrap(*lib);

      bootstrap::standard_library::vector_type<std::vector<Boxed_Value>>("Vector", *lib);
      bootstrap::standard_library::string_type<std::string>("string", *lib);
      bootstrap::standard_library::map_type<std::map<std::string, Boxed_Value>>("Map", *lib);
      bootstrap::standard_library::pair_type<std::pair<Boxed_Value, Boxed_Value>>("Pair", *lib);

#ifndef CHAISCRIPT_NO_THREADS
      bootstrap::standard_library::future_type<std::future<chaiscript::Boxed_Value>>("future", *lib);
      // Note: async() is registered in ChaiScript_Basic::build_eval_system()
      // with thread tracking to prevent heap-use-after-free on engine destruction.
#endif

      if (!no_json) {
        json_wrap::library(*lib);
      }

      if (!no_prelude) {
        lib->eval(ChaiScript_Prelude::chaiscript_prelude() /*, "standard prelude"*/);
      }

      return lib;
    }
  };
} // namespace chaiscript

#endif