// Copyright (c) 2014-2019, The Monero Project
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
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#pragma once

#include <boost/optional/optional.hpp>
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/variables_map.hpp>
#include <string>

#include "common/command_line.h"
#include "common/password.h"
#include "net/net_ssl.h"

namespace cryptonote
{
  //! Processes command line arguments related to server-side RPC
  struct rpc_args
  {
    // non-static construction prevents initialization order issues
    struct descriptors
    {
      descriptors();
      descriptors(const descriptors&) = delete;
      descriptors(descriptors&&) = delete;
      descriptors& operator=(const descriptors&) = delete;
      descriptors& operator=(descriptors&&) = delete;

      const command_line::arg_descriptor<std::string> rpc_bind_ip;
      const command_line::arg_descriptor<std::string> rpc_bind_ipv6_address;
      const command_line::arg_descriptor<bool> rpc_use_ipv6;
      const command_line::arg_descriptor<bool> rpc_ignore_ipv4;
      const command_line::arg_descriptor<std::string> rpc_login;
      const command_line::arg_descriptor<bool> confirm_external_bind;
      const command_line::arg_descriptor<std::string> rpc_access_control_origins;
      const command_line::arg_descriptor<std::string> rpc_ssl;
      const command_line::arg_descriptor<std::string> rpc_ssl_private_key;
      const command_line::arg_descriptor<std::string> rpc_ssl_certificate;
      const command_line::arg_descriptor<std::string> rpc_ssl_ca_certificates;
      const command_line::arg_descriptor<std::vector<std::string>> rpc_ssl_allowed_fingerprints;
      const command_line::arg_descriptor<bool> rpc_ssl_allow_chained;
      const command_line::arg_descriptor<bool> rpc_ssl_allow_any_cert;
      const command_line::arg_descriptor<bool> disable_rpc_ban;
    };

    // `allow_any_cert` bool toggles `--rpc-ssl-allow-any-cert` configuration

    static const char* tr(const char* str);
    static void init_options(boost::program_options::options_description& desc, const bool any_cert_option = false);

    //! \return Arguments specified by user, or `boost::none` if error
    static boost::optional<rpc_args> process(const boost::program_options::variables_map& vm, const bool any_cert_option = false);

    //! \return SSL arguments specified by user, or `boost::none` if error
    static boost::optional<epee::net_utils::ssl_options_t> process_ssl(const boost::program_options::variables_map& vm, const bool any_cert_option = false);

    std::string bind_ip;
    std::string bind_ipv6_address;
    bool use_ipv6;
    bool require_ipv4;
    std::vector<std::string> access_control_origins;
    boost::optional<tools::login> login; // currently `boost::none` if unspecified by user
    epee::net_utils::ssl_options_t ssl_options = epee::net_utils::ssl_support_t::e_ssl_support_enabled;
    bool disable_rpc_ban = false;
  };
}