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

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

  @statuses ~w(active paused cancelled)

  schema "subscriptions" do
    field :status, :string, default: "active"
    field :current_period_start, :date
    field :current_period_end, :date
    field :trial_ends_at, :date

    belongs_to :deployment, ArcadiaCloud.Deployments.CloudDeployment
    belongs_to :plan_version, ArcadiaCloud.Catalog.PlanVersion
    has_many :addons, ArcadiaCloud.Billing.SubscriptionAddon

    timestamps(type: :utc_datetime)
  end

  @required ~w(deployment_id plan_version_id current_period_start current_period_end)a
  @optional ~w(status trial_ends_at)a

  def changeset(sub, attrs) do
    sub
    |> cast(attrs, @required ++ @optional)
    |> validate_required(@required)
    |> validate_inclusion(:status, @statuses)
    |> unique_constraint(:deployment_id)
  end
end