defmodule Odinsea.Database.Schema.Familiar do
  @moduledoc """
  Ecto schema for the familiars table.
  Represents familiar data for characters.
  """

  use Ecto.Schema
  import Ecto.Changeset

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

  schema "familiars" do
    field :characterid, :integer, default: 0
    field :familiar, :integer, default: 0
    field :name, :string, default: ""
    field :fatigue, :integer, default: 0
    field :expiry, :integer, default: 0
    field :vitality, :integer, default: 0

    belongs_to :character, Odinsea.Database.Schema.Character,
      foreign_key: :characterid,
      references: :id,
      define_field: false
  end

  @doc """
  Changeset for creating/updating a familiar.
  """
  def changeset(familiar, attrs) do
    familiar
    |> cast(attrs, [:characterid, :familiar, :name, :fatigue, :expiry, :vitality])
    |> validate_required([:characterid, :familiar])
  end
end