defmodule Microwaveprop.Weather.SolarIndex do
  @moduledoc false
  use Ecto.Schema

  import Ecto.Changeset

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

  schema "solar_indices" do
    field :date, :date
    field :sfi, :float
    field :sfi_adjusted, :float
    field :sunspot_number, :integer
    field :ap_index, :integer
    field :kp_values, {:array, :float}

    timestamps(type: :utc_datetime)
  end

  @type t :: %__MODULE__{}

  @required_fields ~w(date)a
  @optional_fields ~w(sfi sfi_adjusted sunspot_number ap_index kp_values)a

  @spec changeset(t() | Ecto.Changeset.t(), map()) :: Ecto.Changeset.t()
  def changeset(solar_index, attrs) do
    solar_index
    |> cast(attrs, @required_fields ++ @optional_fields)
    |> validate_required(@required_fields)
    |> unique_constraint([:date])
  end
end