open_responses

defmodule OpenResponses.Responses.ContentPart do
  @moduledoc """
  A polymorphic content part within a message item.

  Discriminated on `type`:
  - input_text, input_image, input_file, input_video (user content)
  - output_text (model content)
  """

  use Ash.Resource, data_layer: :embedded

  attributes do
    attribute :type, :atom do
      constraints one_of: [
                    :input_text,
                    :input_image,
                    :input_file,
                    :input_video,
                    :output_text
                  ]

      allow_nil? false
    end

    attribute :text, :string
    attribute :image_url, :string
    attribute :file_id, :string
    attribute :annotations, {:array, :map}, default: []
    attribute :logprobs, :map
  end
end