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

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

  schema "plan_items" do
    field :resource_kind, :string
    field :included_qty, :decimal, default: Decimal.new(0)
    field :overage_unit, :string
    field :overage_price_cents, :integer
    field :hard_cap_qty, :decimal

    belongs_to :plan_version, ArcadiaCloud.Catalog.PlanVersion

    timestamps(type: :utc_datetime)
  end

  def changeset(item, attrs) do
    item
    |> cast(attrs, [
      :plan_version_id,
      :resource_kind,
      :included_qty,
      :overage_unit,
      :overage_price_cents,
      :hard_cap_qty
    ])
    |> validate_required([:plan_version_id, :resource_kind, :included_qty])
    |> unique_constraint([:plan_version_id, :resource_kind])
  end
end