defmodule PhaseDB.Client do
  use Application

  # See http://elixir-lang.org/docs/stable/elixir/Application.html
  # for more information on OTP Applications
  def start(_type, _args) do
    import Supervisor.Spec, warn: false

    children = [
      supervisor(PhaseDB.Client.RequestSupervisor, []),
      supervisor(PhaseDB.Client.ConnectionSupervisor, [])
    ]

    # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html
    # for other strategies and supported options
    opts = [strategy: :one_for_one, name: PhaseDB.Client]
    Supervisor.start_link(children, opts)
  end

  def execute query, uri do
    {:ok, connection_pid} = PhaseDB.Client.Connection.find_or_create uri
    {:ok, request_pid}    = PhaseDB.Client.Request.create query, connection_pid
    PhaseDB.Client.Request.await request_pid
  end

  def default_uri do
    "ws://localhost:63157"
  end
end