defmodule Localiser.Domain.Schema.Room do
  use Ecto.Schema
  import Ecto.Changeset

  alias Localiser.Domain.Schema.Floor
  alias Localiser.Domain.Schema.Sensor

  schema "rooms" do
    field :name, :string
    field :width, :float
    field :height, :float
    field :offset_x, :float
    field :offset_y, :float

    belongs_to :floor, Floor
    has_many :sensors, Sensor

    timestamps(type: :utc_datetime)
  end

  @doc false
  def changeset(room, attrs) do
    room
    |> cast(attrs, [:name, :floor_id, :width, :height, :offset_x, :offset_y])
    |> validate_required([:name, :floor_id])
    |> assoc_constraint(:floor)
  end
end