defmodule Podbox.Podcast.Image do
  @moduledoc """
  A podcast image.
  """

  alias Podbox.{Podcast, Podcast.Show, Repo}

  use Ash.Resource,
    data_layer: AshSqlite.DataLayer,
    domain: Podcast,
    notifiers: [Ash.Notifier.PubSub]

  @type t :: Ash.Resource.record()

  attributes do
    uuid_primary_key :id

    attribute :url, :string, allow_nil?: false, public?: true
    attribute :title, :string, allow_nil?: true, public?: true
    attribute :link, :string, allow_nil?: true, public?: true
    attribute :width, :integer, allow_nil?: true, public?: true, constraints: [min: 1]
    attribute :height, :integer, allow_nil?: true, public?: true, constraints: [min: 1]

    create_timestamp :inserted_at
    update_timestamp :updated_at
  end

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

  relationships do
    belongs_to :show, Show, attribute_writable?: true, public?: true
  end

  sqlite do
    repo Repo
    table "podcast_images"
  end

  pub_sub do
    module Podbox.PubSub
    prefix "podcast:image"
    publish :create, "created"
  end

  identities do
    identity :unique_by_show, [:show_id]
  end
end