defmodule MatrixAppService.Event do
  @moduledoc """
  Struct for a Matrix event.
  """
  use Ecto.Schema
  import Ecto.Changeset

  # @type t :: %__MODULE__{
  #         age: integer(),
  #         content: map(),
  #         event_id: String.t(),
  #         origin_server_ts: integer(),
  #         room_id: String.t(),
  #         sender: String.t(),
  #         state_key: String.t(),
  #         type: String.t(),
  #         unsigned: map(),
  #         user_id: String.t()
  #       }

  # defstruct age: nil,
  #           content: %{},
  #           event_id: nil,
  #           origin_server_ts: nil,
  #           room_id: nil,
  #           sender: nil,
  #           state_key: "",
  #           type: nil,
  #           unsigned: %{},
  #           user_id: nil

  embedded_schema do
    field :age, :integer
    field :content, :map
    field :event_id, :string
    field :origin_server_ts, :integer
    field :room_id, :string
    field :sender, :string
    field :state_key, :string
    field :type, :string
    field :unsigned, :map
    field :user_id, :string
  end

  def new(params) do
    command = changeset(params)
    case command.valid? do
      true  -> {:ok, apply_changes(command)}
      false -> {:error, command.errors}
    end
  end

  defp changeset(params) do
    %__MODULE__{}
    |> cast(params, [:age, :content, :event_id, :origin_server_ts, :room_id, :sender, :state_key, :type, :unsigned, :user_id])
    |> validate_required([:content, :event_id, :origin_server_ts, :room_id, :sender, :type, :unsigned])
  end
end