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#ifndef __GRPCPP_SERVER_CREDENTIALS_H_
#define __GRPCPP_SERVER_CREDENTIALS_H_

#include <memory>
#include <vector>

#include <grpc++/config.h>

struct grpc_server_credentials;

namespace grpc {

// grpc_server_credentials wrapper class.
class ServerCredentials final {
 public:
  ~ServerCredentials();

 private:
  explicit ServerCredentials(grpc_server_credentials* c_creds);

  grpc_server_credentials* GetRawCreds();

  friend class ServerCredentialsFactory;
  friend class Server;

  grpc_server_credentials* creds_;
};

// Options to create ServerCredentials with SSL
struct SslServerCredentialsOptions {
  struct PemKeyCertPair{
    grpc::string private_key;
    grpc::string cert_chain;
  };
  grpc::string pem_root_certs;
  std::vector<PemKeyCertPair> pem_key_cert_pairs;
};

// Factory for building different types of ServerCredentials
class ServerCredentialsFactory {
 public:
  // Builds SSL ServerCredentials given SSL specific options
  static std::shared_ptr<ServerCredentials> SslCredentials(
      const SslServerCredentialsOptions& options);
};

}  // namespace grpc

#endif  // __GRPCPP_SERVER_CREDENTIALS_H_