defmodule ArcadiaCloud.Billing.SubscriptionAddon do
  use Ecto.Schema
  import Ecto.Changeset

  @primary_key {:id, :binary_id, autogenerate: true}
  @foreign_key_type :binary_id

  schema "subscription_addons" do
    field :resource_kind, :string
    field :qty, :decimal
    field :price_cents, :integer
    field :currency, :string, default: "AUD"
    field :attached_at, :utc_datetime

    belongs_to :subscription, ArcadiaCloud.Billing.Subscription
    belongs_to :addon, ArcadiaCloud.Catalog.Addon

    timestamps(type: :utc_datetime)
  end

  @required ~w(subscription_id addon_id resource_kind qty price_cents attached_at)a
  @optional ~w(currency)a

  def changeset(sa, attrs) do
    sa
    |> cast(attrs, @required ++ @optional)
    |> validate_required(@required)
  end
end