// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright Contributors to the Kokkos project

#ifndef KOKKOS_STD_ALGORITHMS_REMOVE_COPY_IF_HPP
#define KOKKOS_STD_ALGORITHMS_REMOVE_COPY_IF_HPP

#include "impl/Kokkos_RemoveAllVariants.hpp"
#include <Kokkos_Iterator.hpp>

namespace Kokkos {
namespace Experimental {

//
// overload set accepting execution space
//
template <
    typename ExecutionSpace, typename InputIterator, typename OutputIterator,
    typename UnaryPredicate,
    std::enable_if_t<::Kokkos::is_execution_space_v<ExecutionSpace>, int> = 0>
OutputIterator remove_copy_if(const ExecutionSpace& ex,
                              InputIterator first_from, InputIterator last_from,
                              OutputIterator first_dest,
                              const UnaryPredicate& pred) {
  return Impl::remove_copy_if_exespace_impl(
      "Kokkos::remove_copy_if_iterator_api_default", ex, first_from, last_from,
      first_dest, pred);
}

template <
    typename ExecutionSpace, typename InputIterator, typename OutputIterator,
    typename UnaryPredicate,
    std::enable_if_t<::Kokkos::is_execution_space_v<ExecutionSpace>, int> = 0>
OutputIterator remove_copy_if(const std::string& label,
                              const ExecutionSpace& ex,
                              InputIterator first_from, InputIterator last_from,
                              OutputIterator first_dest,
                              const UnaryPredicate& pred) {
  return Impl::remove_copy_if_exespace_impl(label, ex, first_from, last_from,
                                            first_dest, pred);
}

template <
    typename ExecutionSpace, typename DataType1, typename... Properties1,
    typename DataType2, typename... Properties2, typename UnaryPredicate,
    std::enable_if_t<::Kokkos::is_execution_space_v<ExecutionSpace>, int> = 0>
auto remove_copy_if(const ExecutionSpace& ex,
                    const ::Kokkos::View<DataType1, Properties1...>& view_from,
                    const ::Kokkos::View<DataType2, Properties2...>& view_dest,
                    const UnaryPredicate& pred) {
  Impl::static_assert_is_admissible_to_kokkos_std_algorithms(view_from);
  Impl::static_assert_is_admissible_to_kokkos_std_algorithms(view_dest);
  Impl::expect_less_or_equal_extents(view_from, view_dest);

  return Impl::remove_copy_if_exespace_impl(
      "Kokkos::remove_copy_if_iterator_api_default", ex,
      ::Kokkos::Experimental::cbegin(view_from),
      ::Kokkos::Experimental::cend(view_from),
      ::Kokkos::Experimental::begin(view_dest), pred);
}

template <
    typename ExecutionSpace, typename DataType1, typename... Properties1,
    typename DataType2, typename... Properties2, typename UnaryPredicate,
    std::enable_if_t<::Kokkos::is_execution_space_v<ExecutionSpace>, int> = 0>
auto remove_copy_if(const std::string& label, const ExecutionSpace& ex,
                    const ::Kokkos::View<DataType1, Properties1...>& view_from,
                    const ::Kokkos::View<DataType2, Properties2...>& view_dest,
                    const UnaryPredicate& pred) {
  Impl::static_assert_is_admissible_to_kokkos_std_algorithms(view_from);
  Impl::static_assert_is_admissible_to_kokkos_std_algorithms(view_dest);
  Impl::expect_less_or_equal_extents(view_from, view_dest);

  return Impl::remove_copy_if_exespace_impl(
      label, ex, ::Kokkos::Experimental::cbegin(view_from),
      ::Kokkos::Experimental::cend(view_from),
      ::Kokkos::Experimental::begin(view_dest), pred);
}

//
// overload set accepting a team handle
// Note: for now omit the overloads accepting a label
// since they cause issues on device because of the string allocation.
//
template <typename TeamHandleType, typename InputIterator,
          typename OutputIterator, typename UnaryPredicate,
          std::enable_if_t<::Kokkos::is_team_handle_v<TeamHandleType>, int> = 0>
KOKKOS_FUNCTION OutputIterator remove_copy_if(const TeamHandleType& teamHandle,
                                              InputIterator first_from,
                                              InputIterator last_from,
                                              OutputIterator first_dest,
                                              const UnaryPredicate& pred) {
  return Impl::remove_copy_if_team_impl(teamHandle, first_from, last_from,
                                        first_dest, pred);
}

template <typename TeamHandleType, typename DataType1, typename... Properties1,
          typename DataType2, typename... Properties2, typename UnaryPredicate,
          std::enable_if_t<::Kokkos::is_team_handle_v<TeamHandleType>, int> = 0>
KOKKOS_FUNCTION auto remove_copy_if(
    const TeamHandleType& teamHandle,
    const ::Kokkos::View<DataType1, Properties1...>& view_from,
    const ::Kokkos::View<DataType2, Properties2...>& view_dest,
    const UnaryPredicate& pred) {
  Impl::static_assert_is_admissible_to_kokkos_std_algorithms(view_from);
  Impl::static_assert_is_admissible_to_kokkos_std_algorithms(view_dest);
  Impl::expect_less_or_equal_extents(view_from, view_dest);

  return Impl::remove_copy_if_team_impl(
      teamHandle, ::Kokkos::Experimental::cbegin(view_from),
      ::Kokkos::Experimental::cend(view_from),
      ::Kokkos::Experimental::begin(view_dest), pred);
}

}  // namespace Experimental
}  // namespace Kokkos

#endif
