defmodule Ammoprices.Prices.PriceSnapshot do
  @moduledoc false
  use Ecto.Schema

  import Ecto.Changeset

  @primary_key {:id, :binary_id, autogenerate: true}
  @foreign_key_type :binary_id
  schema "price_snapshots" do
    belongs_to :product, Ammoprices.Catalog.Product

    field :price_cents, :integer
    field :price_per_round_cents, :integer
    field :in_stock, :boolean, default: true
    field :recorded_at, :utc_datetime

    timestamps(type: :utc_datetime, updated_at: false)
  end

  def changeset(snapshot, attrs) do
    snapshot
    |> cast(attrs, [:price_cents, :price_per_round_cents, :in_stock, :recorded_at])
    |> validate_required([:price_cents, :price_per_round_cents, :recorded_at])
    |> validate_number(:price_cents, greater_than: 0)
    |> validate_number(:price_per_round_cents, greater_than: 0)
  end
end