defmodule ArcadiaCloud.Billing.TenantInvoiceLine do
  use Ecto.Schema
  import Ecto.Changeset

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

  schema "tenant_invoice_lines" do
    field :deployment_id, :binary_id
    field :kind, :string
    field :resource_kind, :string
    field :description, :string
    field :qty, :decimal
    field :unit, :string
    field :unit_price_cents, :integer
    field :amount_cents, :integer
    field :meta, :map, default: %{}

    belongs_to :invoice, ArcadiaCloud.Billing.TenantInvoice

    timestamps(type: :utc_datetime, updated_at: false)
  end

  @required ~w(invoice_id kind amount_cents)a
  @optional ~w(deployment_id resource_kind description qty unit unit_price_cents meta)a

  def changeset(line, attrs) do
    line
    |> cast(attrs, @required ++ @optional)
    |> validate_required(@required)
  end
end