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#include <grpc/grpc_security.h>
#include <grpc++/channel_arguments.h>
#include <grpc++/credentials.h>
#include <grpc++/server_credentials.h>
#include "src/cpp/client/channel.h"
#include "src/cpp/server/secure_server_credentials.h"

namespace grpc {
namespace testing {

namespace {
class FakeCredentialsImpl GRPC_FINAL : public Credentials {
 public:
  FakeCredentialsImpl()
      : c_creds_(grpc_fake_transport_security_credentials_create()) {}
  ~FakeCredentialsImpl() { grpc_credentials_release(c_creds_); }
  SecureCredentials* AsSecureCredentials() GRPC_OVERRIDE { return nullptr; }
  std::shared_ptr<ChannelInterface> CreateChannel(
      const grpc::string& target, const ChannelArguments& args) GRPC_OVERRIDE {
    grpc_channel_args channel_args;
    args.SetChannelArgs(&channel_args);
    return std::shared_ptr<ChannelInterface>(new Channel(
        target,
        grpc_secure_channel_create(c_creds_, target.c_str(), &channel_args)));
  }
  bool ApplyToCall(grpc_call* call) GRPC_OVERRIDE { return false; }

 private:
  grpc_credentials* const c_creds_;
};

}  // namespace

std::shared_ptr<Credentials> FakeCredentials() {
  return std::shared_ptr<Credentials>(new FakeCredentialsImpl());
}

std::shared_ptr<ServerCredentials> FakeServerCredentials() {
  grpc_server_credentials* c_creds =
      grpc_fake_transport_security_server_credentials_create();
  return std::shared_ptr<ServerCredentials>(
      new SecureServerCredentials(c_creds));
}

}  // namespace testing
}  // namespace grpc