defmodule ArcadiaCloud.Catalog.ResourcePrice do
  use Ecto.Schema
  import Ecto.Changeset

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

  schema "resource_prices" do
    field :resource_kind, :string
    field :unit, :string
    field :unit_price_cents, :integer
    field :currency, :string, default: "AUD"
    field :effective_from, :date
    field :effective_to, :date

    timestamps(type: :utc_datetime)
  end

  def changeset(price, attrs) do
    price
    |> cast(attrs, [
      :resource_kind,
      :unit,
      :unit_price_cents,
      :currency,
      :effective_from,
      :effective_to
    ])
    |> validate_required([:resource_kind, :unit, :unit_price_cents, :effective_from])
    |> validate_length(:currency, is: 3)
  end
end