local function goUp()
while not turtle.up() do turtle.digUp() end
end

local function goDown()
while not turtle.down() do turtle.digDown() end
end

--rednet.open("right")

turtleId = os.getComputerLabel()

function loadPos()
 handle = fs.open("enderMine/savedPosition", "r")
 readFile = handle.readLine()
 if readFile ~= nil then
  position = textutils.unserialize(readFile)
 end
 handle.close()
end

local function moveForward()
 while not turtle.forward() do turtle.dig()
 end
end


function sendBroadcast(message)
-- rednet.open("right")
-- rednet.broadcast("["..turtleId.."] "..message)
end

    -------
print("finding pos")
loadPos()
print("pos found")


if position["status"] == "on" then
 print("status: on")
 if position["enderchest"] == "no" then
  wait = 1
  shell.run("mine", position["currY"], "on", "manual")
 else
  shell.run("mine", position["currY"], "on")
 end
end



--sendBroadcast("Standing by")
print("enderMiner "..turtleId..", standing by")
print("")
print("Usage:")
print("mine [current y] [-] [manual(optional)]")
print("")
print("Noice blocks: slot 1-3, put 1 cobble in slot 4")
print("Enderchest in slot 16")


while true do
 event, sid, mes, dis = os.pullEvent()
 wait = 0
 if mes == "new" then
  turtle.select(5)
  turtle.digUp()
  for i = 1, 16 do moveForward() end
  turtle.placeUp()
  wait = 1
  shell.run("mine", position["currY"])

 elseif mes == "download" then
  wait = 1
  --sendBroadcast("Updating")
  shell.run("download")

 elseif mes == "pastebin" then
  event, sid, file, dis = os.pullEvent("rednet_message")
  dl = textutils.unserialize(file)
  wait = 1
 -- sendBroadcast("Downloading "..dl["placement"])
  shell.run("pastebin", "get", dl["fileName"], dl["placement"])

 elseif mes == "go up" then
  event, sid, surface, dis = os.pullEvent("rednet_message")
  wait = 1
  --sendBroadcast("Going to y level "..surface)
  while position["currY"] < tonumber(surface) do goUp() end
  while position["currY"] > tonumber(surface) do goDown() end

 elseif event == "key" and sid == 28 then
  turtle.select(5)
  turtle.digUp()
  for i = 1, 16 do moveForward() end
  turtle.placeUp()
  wait = 1
  shell.run("mine", position["currY"])
 end
end


   print("done")