WIP: Supervisor-based plugin base

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

lib/plugin/supervisor.ex

@@ -1,64 +0,0 @@
-defmodule Omnibot.Plugin.Supervisor do
-  @default_opts [include_base: true, opts: [strategy: :one_for_one]]
-
-  defmodule CfgState do
-    use Agent
-
-    def start_link(opts) do
-      {cfg, opts} = Keyword.pop(opts, :cfg)
-      {state, opts} = Keyword.pop(opts, :state, nil)
-      Agent.start_link(fn -> {cfg, state} end, opts)
-    end
-
-    def cfg(pid), do: Agent.get(pid, fn {cfg, _} -> cfg end)
-
-    def state(pid), do: Agent.get(pid, fn {_, state} -> state end)
-
-    def update_state(pid, fun, timeout \\ 5000),
-      do: Agent.update(pid, &{&1, apply(fun, [&1])}, timeout)
-  end
-
-  defmacro __using__(opts) do
-    opts = opts ++ @default_opts
-
-    quote do
-      use Supervisor
-      use Omnibot.Plugin.Base
-
-      ## Client API
-
-      def start_link(opts) do
-        Supervisor.start_link(__MODULE__, {opts[:cfg], opts[:state]}, opts)
-      end
-
-      def cfg() do
-        Omnibot.Plugin.Supervisor.CfgState.cfg(__MODULE__.CfgState)
-      end
-
-      def state() do
-        Omnibot.Plugin.Supervisor.CfgState.state(__MODULE__.CfgState)
-      end
-
-      def update_state(fun) do
-        Omnibot.Plugin.Supervisor.CfgState.update_state(__MODULE__.CfgState, fun)
-      end
-
-      ## Server callbacks
-
-      @impl Supervisor
-      def init({cfg, state}) do
-
-        base_children = [
-          {Omnibot.Plugin.Supervisor.CfgState, cfg: cfg, state: state, name: __MODULE__.CfgState},
-        ]
-        children = 
-          (if unquote(opts[:include_base]), do: base_children, else: []) ++ children(cfg, state)
-        Supervisor.init(children, unquote(opts[:opts]))
-      end
-
-      @behaviour Omnibot.Plugin.Supervisor
-    end
-  end
-
-  @callback children(cfg :: [atom: any], state :: any) :: [atom | {atom, [atom: any]} | {atom, any, [atom: any]}]
-end