// Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
// All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
//
// SPDX-License-Identifier: BSD-2-Clause
//
// This file is part of CEED:  http://github.com/ceed

#include "ceed-ref.h"

#include <ceed.h>
#include <ceed/backend.h>
#include <string.h>

//------------------------------------------------------------------------------
// Backend Init
//------------------------------------------------------------------------------
static int CeedInit_Ref(const char *resource, Ceed ceed) {
  if (strcmp(resource, "/cpu/self") && strcmp(resource, "/cpu/self/ref") && strcmp(resource, "/cpu/self/ref/serial")) {
    // LCOV_EXCL_START
    return CeedError(ceed, CEED_ERROR_BACKEND, "Ref backend cannot use resource: %s", resource);
    // LCOV_EXCL_STOP
  }
  CeedCallBackend(CeedSetDeterministic(ceed, true));

  CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "VectorCreate", CeedVectorCreate_Ref));
  CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", CeedBasisCreateTensorH1_Ref));
  CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateH1", CeedBasisCreateH1_Ref));
  CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateHdiv", CeedBasisCreateHdiv_Ref));
  CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateHcurl", CeedBasisCreateHcurl_Ref));
  CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "TensorContractCreate", CeedTensorContractCreate_Ref));
  CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "ElemRestrictionCreate", CeedElemRestrictionCreate_Ref));
  CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "ElemRestrictionCreateOriented", CeedElemRestrictionCreateOriented_Ref));
  CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "ElemRestrictionCreateBlocked", CeedElemRestrictionCreate_Ref));
  CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "QFunctionCreate", CeedQFunctionCreate_Ref));
  CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "QFunctionContextCreate", CeedQFunctionContextCreate_Ref));
  CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Ref));
  return CEED_ERROR_SUCCESS;
}

//------------------------------------------------------------------------------
// Backend Register
//------------------------------------------------------------------------------
CEED_INTERN int CeedRegister_Ref(void) {
  return
      //! [Register]
      CeedRegister("/cpu/self/ref/serial", CeedInit_Ref, 50);
  //! [Register]
}
//------------------------------------------------------------------------------