defmodule Frenzy.Rule do
  use Ecto.Schema
  import Ecto.Changeset

  schema "rules" do
    field :mode, :string
    field :property, :string
    field :param, :string
    field :weight, :integer

    belongs_to :filter, Frenzy.Filter

    timestamps()
  end

  @type t() :: %__MODULE__{
          __meta__: Ecto.Schema.Metadata.t(),
          id: integer() | nil,
          mode: String.t(),
          property: String.t(),
          param: String.t(),
          weight: integer(),
          filter: Frenzy.Filter.t() | Ecto.Association.NotLoaded.t(),
          inserted_at: NaiveDateTime.t(),
          updated_at: NaiveDateTime.t()
        }

  @doc false
  def changeset(rule, attrs) do
    rule
    |> cast(attrs, [:mode, :property, :param, :weight])
    |> validate_required([:mode, :property, :param, :weight])
  end
end