defmodule MembraneRtspPlugin do
  @moduledoc false

  use Membrane.Pipeline

  def start(options) do
    Pipeline.start(__MODULE__, options)
  end

  @impl true
  def handle_init(_ctx, _opts) do
    spec = [
      child(:source, %Membrane.RTSP.Source{
        transport: :tcp,
        allowed_media_types: [:video],
        # stream_uri: "rtsp://admin:Permanex1@wg9.evercam.io:20317/main"
        # stream_uri: "rtsp://root:Mehcam4Mehcam@wg7.evercam.io:22564/onvif-media/media.amp"
        stream_uri: "rtsp://admin:Mehcam4Mehcam@10.42.0.100:554/ISAPI/Streaming/channels/101"
        # stream_uri: "rtsp://admin:Mehcam4Mehcam@wg2.evercam.io:20109/ISAPI/Streaming/channels/101"
      })
    ]

    {[spec: spec], %{}}
  end

  def handle_child_notification({:new_track, ssrc, _track}, _element, _ctx, state) do
    spec = [
      get_child(:source)
      |> via_out(Pad.ref(:output, ssrc))
      # |> child({:funnel, ssrc}, Membrane.Funnel)
      |> child({:sink, ssrc}, %Membrane.Debug.Sink{
        handle_event: &IO.inspect/1,
        handle_stream_format: &IO.inspect/1,
        handle_buffer: &IO.inspect(&1.pts)
      })
    ]

    {[spec: spec], state}
  end

  @impl true
  def handle_child_notification(_message, _element, _ctx, state) do
    {[], state}
  end

  @impl true
  def handle_child_pad_removed(:source, _pad, _ctx, state) do
    {[], state}
  end
end