#####################################
started = 0
our_id = 0

function vardump(value, depth, key)
  local linePrefix = ""
  local spaces = ""

  if key ~= nil then
    linePrefix = "["..key.."] = "
  end

  if depth == nil then
    depth = 0
  else
    depth = depth + 1
    for i=1, depth do spaces = spaces .. "  " end
  end

  if type(value) == 'table' then
    mTable = getmetatable(value)
    if mTable == nil then
      print(spaces ..linePrefix.."(table) ")
    else
      print(spaces .."(metatable) ")
        value = mTable
    end
    for tableKey, tableValue in pairs(value) do
      vardump(tableValue, depth, tableKey)
    end
  elseif type(value)	== 'function' or
      type(value)	== 'thread' or
      type(value)	== 'userdata' or
      value		== nil
  then
    print(spaces..tostring(value))
  else
    print(spaces..linePrefix.."("..type(value)..") "..tostring(value))
  end
end

print ("HI, this is lua script")

function ok_cb(extra, success, result)
end

function on_msg_receive (msg)
  if started == 0 then
    return
  end
  if msg.out then
    return
  end
--  do_notify (get_title (msg.from, msg.to), msg.text)
--Damit der "Gelesen Haken" erscheint
    if msg.text then
        mark_read (msg.from.print_name, ok_cb, false)
    end

    --Ggf. nur eine Rufnummer zulassen:
    if msg.from.print_name ~= 'Patrick_Timpner' then
        os.execute("/home/pi/tg/send_script " .. msg.from.print_name .. " 'Ungueltige Nr.'")
        return
    end
    if (msg.text == 'ping') then
        send_msg (msg.from.print_name, 'pong', ok_cb, false)
        return
    elseif (string.lower(msg.text) == 'uptime') then
        local handle = io.popen("sudo python /home/pi/tg/tg_actions.py uptime")
        local res = handle:read("*a")
        handle:close()
        os.execute("/home/pi/tg/send_script ".. msg.from.print_name .." '"..res.."' ")
        --Alternativ:
        --send_msg (msg.from.print_name, res)
        return
    elseif (string.lower(msg.text) == 'shutdown') then
        local handle = io.popen("sudo python /home/pi/tg/tg_actions.py shutdown")
        local res = handle:read("*a")
        os.execute("/home/pi/tg/send_script "..msg.from.print_name.." '"..res.."' ")
        handle:close()
        return
    elseif (string.lower(msg.text) == 'reboot') then
        local handle = io.popen("sudo python /home/pi/tg/tg_actions.py reboot")
        local res = handle:read("*a")
        handle:close()
        os.execute("/home/pi/tg/send_script ".. msg.from.print_name .." '"..res.."' ")
        return
    else
        os.execute("/home/pi/tg/send_script ".. msg.from.print_name .." 'Fehler' ")
    end

end

function on_user_update (user, what)
  --vardump (user)
end

function on_chat_update (chat, what)
  --vardump (chat)
end

function on_secret_chat_update (schat, what)
  --vardump (schat)
end

function on_get_difference_end ()
end

function cron()
  -- do something
  postpone (cron, false, 1.0)
end

function on_binlog_replay_end ()
  started = 1
  postpone (cron, false, 1.0)
end