defmodule Mix.Tasks.Notebook do
  @shortdoc "Start Phoenix + Livebook at localhost:8081/notebooks/algorithm_analysis.livemd"
  @moduledoc false
  use Mix.Task

  @impl Mix.Task
  def run(_args) do
    hostname = :inet.gethostname() |> elem(1) |> List.to_string()
    cookie = "microwaveprop_notebook"
    node = "prop@#{hostname}"

    IO.puts("""
    Start Phoenix with a node name first:

        iex --sname prop --cookie #{cookie} -S mix phx.server

    Then in another terminal:

        LIVEBOOK_NODE=#{node} LIVEBOOK_COOKIE=#{cookie} livebook server \\
          --port 8081 \\
          --default-runtime attached:#{node}:#{cookie} \\
          --open notebooks/algorithm_analysis.livemd

    Livebook will be at http://localhost:8081
    """)
  end
end