#pragma once

#include <string_view>

#include "serif/discretization/domain/concepts.hpp"

// BoundaryID binds a semantic surface (a Boundary) to the integer boundary
// attribute MFEM stores in the mesh file.
//
//     BoundaryID<StellarSurfaceBoundary, 1>
//         "boundary elements with attribute 1 are the stellar surface"
namespace serif::discretization::domain::ids {
    template <IsBoundary BoundaryT, int IdentifierValue>
    struct BoundaryID {
        using boundary_type = BoundaryT;
        static constexpr int ID = IdentifierValue;
    };

    struct BoundaryDescriptor {
        std::string_view name;
        int ID;
    };
}