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#ifndef TEMPLAT_LATTICE_ALGEBRA_HELPERS_GETCOMPONENT_H
#define TEMPLAT_LATTICE_ALGEBRA_HELPERS_GETCOMPONENT_H

/* This file is part of TempLat, available at https://cosmolattice.github.io/templat .
   Copyright 2021-2026 The TempLat authors, see AUTHORS.md.
   Released under the MIT license, see LICENSE.md. */

// File info: Main contributor(s): Adrien Florio, Franz R. Sattler, Year: 2026

#include "TempLat/lattice/algebra/helpers/isstdgettable.h"
#include "TempLat/lattice/algebra/helpers/istemplatgettable.h"

namespace TempLat
{
  class GetComponent
  { // need two is gettable cause need to know what function to use in the return types.

  public:
    template <int N, typename U>
      requires IsTempLatGettable<N, U>
    static inline auto get(U &&obj, Tag<N> t)
    {
      return obj.getComp(t);
    }

    template <int N, typename U>
      requires(IsSTDGettable<N, U> && !IsTempLatGettable<N, U>)
    static inline auto &get(U &&obj, Tag<N> t)
    {
      return std::get<N>(obj);
    }

    template <int N, typename U>
      requires(!IsSTDGettable<N, U> && !IsTempLatGettable<N, U>)
    static inline auto &get(U &&obj, Tag<N> t)
    {
      return obj;
    }
  };
} // namespace TempLat

#endif