-- ************************************************************************
--
--    A debug module that allows me an interactive view into a Lua state
--    Copyright 2020 by Sean Conner.  All Rights Reserved.
--
--    This program is free software: you can redistribute it and/or modify
--    it under the terms of the GNU General Public License as published by
--    the Free Software Foundation, either version 3 of the License, or
--    (at your option) any later version.
--
--    This program is distributed in the hope that it will be useful,
--    but WITHOUT ANY WARRANTY; without even the implied warranty of
--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--    GNU General Public License for more details.
--
--    You should have received a copy of the GNU General Public License
--    along with this program.  If not, see <http://www.gnu.org/licenses/>.
--
--    Comments, questions and criticisms can be sent to: sean@conman.org
--
-- ************************************************************************
-- luacheck: globals handler
-- luacheck: ignore 611

local luaview   = require "org.flummux.luaview"
local nfl       = require "org.conman.nfl"
local coroutine = require "coroutine"

_ENV = {}

function handler(conf,_,_,_,ios)
  if not conf.co then
    conf.co = coroutine.running()
    luaview.init()
    nfl.SOCKETS:insert(luaview,'r',function()
      if not luaview.step() then
        nfl.schedule(conf.co)
      end
    end)
    coroutine.yield()
    nfl.SOCKETS:remove(luaview)
    luaview.close()
    conf.co = nil
    ios:write("20 text/plain\r\nFINISHED\r\n")
    return 20
  else
    ios:write("20 text/plain\r\nRUNNING\r\n")
    return 20
  end
end

return _ENV