defmodule Odinsea.Database.Schema.Imp do
  @moduledoc """
  Ecto schema for the imps table.
  Represents Imp (pocket pet) data for characters.
  """

  use Ecto.Schema
  import Ecto.Changeset

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

  schema "imps" do
    field :characterid, :integer, default: 0
    field :itemid, :integer, default: 0
    field :level, :integer, default: 1
    field :state, :integer, default: 1
    field :closeness, :integer, default: 0
    field :fullness, :integer, default: 0

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

  @doc """
  Changeset for creating/updating an imp.
  """
  def changeset(imp, attrs) do
    imp
    |> cast(attrs, [:characterid, :itemid, :level, :state, :closeness, :fullness])
    |> validate_required([:characterid, :itemid])
  end
end