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

  use Application

  @model_name "openai/whisper-tiny"

  @impl true
  def start(_type, _args) do
    transcription_serving =
      [model_name: @model_name]
      |> AudioTagger.Transcriber.prepare_featurizer()
      |> AudioTagger.Transcriber.prepare_serving(@model_name)

    children = [
      MedicalTranscriptionWeb.Telemetry,
      MedicalTranscription.Repo,
      {DNSCluster,
       query: Application.get_env(:medical_transcription, :dns_cluster_query) || :ignore},
      {Phoenix.PubSub, name: MedicalTranscription.PubSub},
      # Start the Finch HTTP client for sending emails
      {Finch, name: MedicalTranscription.Finch},
      {
        Nx.Serving,
        serving: transcription_serving,
        name: TranscriptionServing,
        batch_size: 4,
        batch_timeout: 100
      },
      # Start a worker by calling: MedicalTranscription.Worker.start_link(arg)
      # {MedicalTranscription.Worker, arg},
      # Start to serve requests, typically the last entry
      MedicalTranscriptionWeb.Endpoint
    ]

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

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