# SPDX-FileCopyrightText: 2025 diffo_example contributors <https://github.com/diffo-dev/diffo_example/graphs.contributors>
#
# SPDX-License-Identifier: MIT

defmodule DiffoExample.Access.Dslam do
  @moduledoc """
  Diffo - TMF Service and Resource Management with a difference

  Dslam - AshTyped Struct for Dslam Characteristic Value
  """
  use Ash.TypedStruct, extensions: [AshJason.TypedStruct, AshOutstanding.TypedStruct]

  jason do
    pick [:name, :family, :model, :technology]
    compact(true)
  end

  outstanding do
    expect [:name]
  end

  typed_struct do
    field :name, :string,
      constraints: [match: ~r/Q[A-Z]{4}\d{4}/],
      description: "the DSLAM name"

    field :family, :atom,
      constraints: [one_of: [:ISAM, :AMX]],
      default: :ISAM,
      description: "the DSLAM family name"

    field :model, :string, description: "the DSLAM model name"

    field :technology, :atom,
      constraints: [one_of: [:eth, :atm]],
      default: :eth,
      description: "the DSLAM technology"
  end
end