defmodule Example do
  use Ash.Domain

  resources do
    resource Example.DeliveryStatus
  end
end

defmodule Example.Repo do
  use AshPostgres.Repo, otp_app: :example

  def installed_extensions do
    ["ash-functions"]
  end

  def min_pg_version do
    %Version{major: 17, minor: 5, patch: 0}
  end
end

defmodule Example.PlatformADetails do
  use Ash.Resource,
    domain: Example,
    data_layer: :embedded

  actions do
    defaults [:read, :destroy, create: :*, update: :*]
  end

  attributes do
    attribute :name, :string, public?: true
  end
end

defmodule Example.Details do
  use Ash.Type.NewType,
    subtype_of: :union,
    constraints: [
      types: [
        platform_a_details: [
          type: Example.PlatformADetails,
          tag: :type,
          tag_value: :platform_a
        ]
      ]
    ]
end

defmodule Example.DeliveryStatus do
  use Ash.Resource,
    domain: Example,
    # The same error will occur when using the :embedded data layer,
    # but the happy case will not work due to it not supporting upserts/identities
    # data_layer: :embedded
    data_layer: AshPostgres.DataLayer

  postgres do
    table "delivery_status"
    repo Example.Repo
  end

  code_interface do
    define :create
  end

  actions do
    create :create do
      accept :*
      upsert? true
      upsert_identity :product_id_platform
      upsert_fields :replace_all
    end
  end

  identities do
    identity :product_id_platform, [:product_id, :platform]
  end

  attributes do
    integer_primary_key :id, public?: true
    attribute :product_id, :integer, allow_nil?: false, public?: true

    attribute :platform, :atom,
      constraints: [one_of: [:platform_a, :platform_b]],
      allow_nil?: false,
      public?: true

    attribute :status, :atom,
      constraints: [one_of: [:not_sent, :sent, :in_progress]],
      allow_nil?: false,
      public?: true

    attribute :details, Example.Details, public?: true
  end
end