Miner1

rednet.open("left")

local trustedID = 26
local ID = 22

function checkCoal()

  turtle.select(1)
  turtle.getItemCount()

    if turtle.getItemCount() <= 4 then

        turtle.select(16)
        turtle.placeUp()
        turtle.select(1)
        turtle.suckUp(60)
        turtle.select(16)
        turtle.digUp()
        turtle.select(1)

    end

end

function checkFuel()

  turtle.getFuelLevel()

  if turtle.getFuelLevel() <= 10 then

    turtle.select(1)
    turtle.refuel(1)

  end

end

function beginMining()

  turtle.select(2)
  turtle.forward(1)
  turtle.place()
  turtle.select(3)
  turtle.up(1)
  turtle.place()
  turtle.select(4)
  turtle.back(1)
  turtle.down(1)
  turtle.place()
  sleep(40)

end

function endMining()

  turtle.select(4)
  turtle.dig()
  turtle.select(2)
  turtle.forward(1)
  turtle.dig()
  turtle.select(3)
  turtle.up(1)
  turtle.dig()
  turtle.down()

end

function rednetControl()

 trustedID, message = rednet.receive()

 if message == "Identify" then

   print("Identifing")
   rednet.send(trustedID, "Miner1")
   print("Identified")

   trustedID, message = rednet.receive()

    if message == "Check" then

     print("Checking")
     checkCoal()
     checkFuel()
     rednet.send(trustedID, "Checked")
     print("Checked")

      trustedID, message = rednet.receive()

      if message == "Mine" then

        print("Mining")
        beginMining()
        endMining()
        print("Mining Complete")
        rednet.send(trustedID, "Complete")

      end

    end

  end

end

rednetControl()