defmodule Mix.Tasks.Spec.Sync do
  use Mix.Task
  @shortdoc "Pull from peer then push local outbox (one-shot sync)"
  @moduledoc """
  Usage:
    mix spec.sync --id <request_id> --peer /path/to/peer/work/spec_requests/<id>

  Equivalent to:
    mix spec.msg.pull --id <id> --from <peer>/outbox
    mix spec.msg.push --id <id> --dest <peer>/inbox
  """

  @impl true
  def run(argv) do
    {opts, _, _} = OptionParser.parse(argv, switches: [id: :string, peer: :string])
    id = Keyword.get(opts, :id) || Mix.raise("Missing --id")
    peer = Keyword.get(opts, :peer) || Mix.raise("Missing --peer")

    Mix.Task.run("spec.msg.pull", ["--id", id, "--from", Path.join(peer, "outbox")])
    Mix.Task.run("spec.msg.push", ["--id", id, "--dest", Path.join(peer, "inbox")])
    Mix.Task.run("spec.thread.render", ["--id", id])
  end
end