/*
 *
 * Copyright 2019 gRPC authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

#ifndef GRPCPP_SECURITY_TLS_CREDENTIALS_OPTIONS_H
#define GRPCPP_SECURITY_TLS_CREDENTIALS_OPTIONS_H

#include <vector>
#include <memory>

#include <grpcpp/support/config.h>
#include <grpc/grpc_security_constants.h>

#include "src/core/lib/security/credentials/tls/grpc_tls_credentials_options.h"

namespace grpc_impl {
namespace experimental {

/** TLS key materials config, wrapper for grpc_tls_key_materials_config. **/
class TlsKeyMaterialsConfig {
 public:
  struct PemKeyCertPair {
    ::grpc::string private_key;
    ::grpc::string cert_chain;
  };

  /** Getters for member fields. **/
  const ::grpc::string pem_root_certs() const {
    return pem_root_certs_;
  }
  const ::std::vector<PemKeyCertPair>& pem_key_cert_pair_list() const {
    return pem_key_cert_pair_list_;
  }

  /**Setter for member fields. **/
  void set_key_materials(::grpc::string pem_root_certs,
                         ::std::vector<PemKeyCertPair> pem_key_cert_pair_list);

  /** Creates C struct for key materials. **/
  grpc_core::RefCountedPtr<grpc_tls_key_materials_config> c_key_materials() const;

 private:
  ::std::vector<PemKeyCertPair> pem_key_cert_pair_list_;
  ::grpc::string pem_root_certs_;
};

/** TLS credentials options, wrapper for grpc_tls_credentials_options. **/
class TlsCredentialsOptions {
 public:
  /** Getters for member fields. **/
  grpc_ssl_client_certificate_request_type cert_request_type() const{
    return cert_request_type_;
  }
  std::shared_ptr<TlsKeyMaterialsConfig> key_materials_config() const {
    return key_materials_config_;
  }

  /** Setters for member fields. **/
  void set_cert_request_type(
      const grpc_ssl_client_certificate_request_type type) {
    cert_request_type_ = type;
  }

  void set_key_materials_config(
      std::shared_ptr<TlsKeyMaterialsConfig> config) {
    key_materials_config_ = config;
  }

  /** Creates C struct for TLS credential options. **/
  grpc_tls_credentials_options* c_credentials_options() const;

 private:
  grpc_ssl_client_certificate_request_type cert_request_type_;
  std::shared_ptr<TlsKeyMaterialsConfig> key_materials_config_;
};

} // namespace experimental
} // namespace grpc_impl
#endif /** GRPCPP_SECURITY_TLS_CREDENTIALS_OPTIONS_H **/