box = peripheral.wrap("right")
tArgs = { ... }

if #tArgs[] ~= 4 or string.lower(tArgs[4]) ~= "n" or string.lower(tArgs[4]) ~= "e" or string.lower(tArgs[4]) ~= "s" or string.lower(tArgs[4]) ~= "w" then
	print("Usage: <X Coord> <Y Coord> <Z Coord> <Facing direction>")
else
	xcoord = tArgs[1]
	ycoord = tArgs[2]
	zcoord = tArgs[3]
	facing = targs[4]
	while true do
		event1, player, message = os.pullEvent("chat")
		if string.sub(string.lower(message), 1, 7) == "forward" then
			for i =1, tonumber(string.sub(message, 9))
				if turtle.forward() then
					if facing == "2" then
						zcoord = zcoord - 1
					elseif facing == "3" then
						xcoord = xcoord + 1
					elseif facing == "0" then
						zcoord = zcoord + 1
					elseif facing == "1" then
						xcoord = xcoord - 1
					end
				else
					box.say("Can't move forward")
				end
			end
		elseif string.sub(string.lower(message), 1, 8) == "backward" then
			for i =1, tonumber(string.sub(message, 10))
				if turtle.back() then
					if facing == "2" then
						zcoord = zcoord + 1
					elseif facing == "3" then
						xcoord = xcoord - 1
					elseif facing == "0" then
						zcoord = zcoord - 1
					elseif facing == "1" then
						xcoord = xcoord + 1
					end
				else
					box.say("Can't move backward")
				end
			end
		elseif string.sub(string.lower(message), 1, 2) == "up" then
			for i =1, tonumber(string.sub(message, 4))
				if turtle.up() then
					ycoord = ycoord + 1
				else
					box.say("Can't move up")
				end
			end
		elseif string.sub(string.lower(message), 1, 4) == "down" then
			for i =1, tonumber(string.sub(message, 6))
				if turtle.up() then
					ycoord = ycoord - 1
				else
					box.say("Can't move down")
				end
			end
		elseif string.sub(string.lower(message), 1, 4) == "mine" then
			turtle.dig()
		elseif string.sub(string.lower(message), 1, 6) == "mineup" then
			turtle.digUp()
		elseif string.sub(string.lower(message), 1, 8) == "minedown" then
			turtle.digDown()
		elseif string.sub(string.lower(message), 1, 6) == "refuel" then
			turtle.select(1)
			turtle.refuel(tonumber(string.sub(message, 8)))
		elseif string.sub(string.lower(message), 1, 4) == "suck" then
			turtle.suck()
			turtle.suckUp()
			turtle.suckDown()
		elseif string.sub(string.lower(message), 1, 4) == "sign" then
			turtle.select(2)
			turtle.place(string.sub(message, 6))
			turtle.select(1)
		elseif string.sub(string.lower(message), 1, 5) == "place" then
			turtle.select(3)
			turtle.place()
			turtle.select(1)
		elseif string.sub(string.lower(message), 1, 5) == "fuel?" then
			box.say(turtle.getFuelLevel())
		elseif string.sub(string.lower(message), 1, 7) == "coords?" then
			box.say("X:" .. xcoord .. " Y:" .. ycoord .. " Z:" .. zcoord .. " F:" .. facing)
		end
		sleep(1)
	end
end