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

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

  schema "cloud_cost_lines" do
    field :invoice_period, :date
    field :kind, :string
    field :description, :string
    field :qty, :decimal
    field :unit, :string
    field :unit_cost_cents, :integer
    field :amount_cents, :integer
    field :start_at, :utc_datetime
    field :end_at, :utc_datetime
    field :project_name, :string
    field :category, :string
    field :matched_at, :utc_datetime
    field :raw, :map

    belongs_to :invoice, ArcadiaCloud.Billing.CloudInvoice
    belongs_to :resource, ArcadiaCloud.Cloud.CloudResource

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

  @required ~w(invoice_id invoice_period amount_cents)a
  @optional ~w(resource_id kind description qty unit unit_cost_cents start_at end_at
               project_name category matched_at raw)a

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