defmodule DaProductApp.Transactions.FollowupRequest do
  @moduledoc """
  ChkTxn / Reversal follow-up scheduling record.
  """
  use Ecto.Schema
  import Ecto.Changeset

  schema "followup_requests" do
    field :kind, :string
    field :status, :string, default: "scheduled"
    field :attempt_no, :integer, default: 1
    field :deadline_at, :utc_datetime
    field :sent_at, :utc_datetime
    field :response_code, :string
    field :response_payload, :map
    belongs_to :transaction, DaProductApp.Transactions.Transaction
    timestamps(updated_at: false)
  end

  @required ~w(kind status attempt_no deadline_at transaction_id)a
  @optional ~w(sent_at response_code response_payload)a

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