defmodule DaProductApp.Application do
  # See https://hexdocs.pm/elixir/Application.html
  # for more information on OTP Applications
  @moduledoc false
  use Application

  @impl true
  def start(_type, _args) do
    maybe_start_optional_apps()

    base_children = [
      DaProductApp.DeviceRegistry,
      # Existing children (keep all these)
      DaProductAppWeb.Telemetry,
      DaProductApp.Repo,
      DaProductApp.Repos.ShukriaMmsRepo,
      {DNSCluster, query: Application.get_env(:da_product_app, :dns_cluster_query) || :ignore},
      {Phoenix.PubSub, name: DaProductApp.PubSub},
      {Finch, name: DaProductApp.Finch},
      {Cachex, name: :general_cache},
      TwMerge.Cache,

      # NEW: Add Ranch TCP listener for ISO8583
      #{DaProductApp.TCP.Supervisor, [port: 5000]},  # Customize port if needed


      # Start MQTT client supervisor
      {DaProductApp.MQTT.Supervisor, []},
      # Ensure the client is started at boot:
      {Task, fn -> DaProductApp.MQTT.start_phoenix_client() end},
      # Add Phoenix Endpoint last to ensure all dependencies are started
      DaProductAppWeb.Endpoint
    ]

    # Note: PaymentGatewayApp.Application is started automatically by OTP
    # when included as a dependency - no need to add it to supervision tree

    # See https://hexdocs.pm/elixir/Supervisor.html
    # for other strategies and supported options
    opts = [strategy: :one_for_one, name: DaProductApp.Supervisor]
    Supervisor.start_link(base_children, opts)
  end

  defp maybe_start_optional_apps do
    if System.get_env("INCLUDE_SOFT_POS", "false") == "true" do
      # When soft_pos_app is conditionally compiled in, it may not appear in
      # da_product_app.app applications list until a full recompile.
      if Code.ensure_loaded?(SoftPosApp.Application) do
        Application.ensure_all_started(:soft_pos_app)
      end
    end
  end

  # Tell Phoenix to update the endpoint configuration
  # whenever the application is updated.
  @impl true
  def config_change(changed, _new, removed) do
    DaProductAppWeb.Endpoint.config_change(changed, removed)
    :ok
  end

  defp oban_config do
  %{
    name: Oban,
    repo: DaProductApp.Repo,
    engine: Oban.Engines.Basic,   # Use Basic Engine instead of Postgres
    queues: [default: 10],        # Define your queues
    notifier: Oban.Notifiers.Null, # Disable PostgreSQL-based notifier
    peer: false                    # Disable peer tracking (Postgres-only feature)
  }
end
 #defp oban_config do
 #   Application.fetch_env!(:da_product_app, Oban)
 # end
end