defmodule Odinsea.Database.Schema.Buddy do
  @moduledoc """
  Ecto schema for the buddies table.
  Represents buddy list entries for characters.
  """

  use Ecto.Schema
  import Ecto.Changeset

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

  schema "buddies" do
    field :characterid, :integer
    field :buddyid, :integer
    field :pending, :integer, default: 0
    field :groupname, :string, default: "ETC"

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

  @doc """
  Changeset for creating a buddy entry.
  """
  def changeset(buddy, attrs) do
    buddy
    |> cast(attrs, [:characterid, :buddyid, :pending, :groupname])
    |> validate_required([:characterid, :buddyid])
  end
end