defmodule NullaWeb.Api.RelationController do
  use NullaWeb, :controller

  alias Nulla.Relations
  alias Nulla.Relations.Relation

  action_fallback NullaWeb.FallbackController

  def index(conn, _params) do
    relations = Relations.list_relations()
    render(conn, :index, relations: relations)
  end

  def create(conn, %{"relation" => relation_params}) do
    with {:ok, %Relation{} = relation} <- Relations.create_relation(relation_params) do
      conn
      |> put_status(:created)
      |> put_resp_header("location", ~p"/api/relations/#{relation}")
      |> render(:show, relation: relation)
    end
  end

  def show(conn, %{"id" => id}) do
    relation = Relations.get_relation!(id)
    render(conn, :show, relation: relation)
  end

  def update(conn, %{"id" => id, "relation" => relation_params}) do
    relation = Relations.get_relation!(id)

    with {:ok, %Relation{} = relation} <- Relations.update_relation(relation, relation_params) do
      render(conn, :show, relation: relation)
    end
  end

  def delete(conn, %{"id" => id}) do
    relation = Relations.get_relation!(id)

    with {:ok, %Relation{}} <- Relations.delete_relation(relation) do
      send_resp(conn, :no_content, "")
    end
  end
end