--[[
            16 X (4x2) farm
]]--

local function move1()
    turtle.dig()
	while not turtle.forward() do
            sleep(1)
    end
    turtle.digDown()
    term.setCursorPos(1,4)
    print("Fuel Remaning : "..tostring(turtle.getFuelLevel()))
end

local function move2()
    while not turtle.forward() do
            sleep(1)
    end
     term.setCursorPos(1,4)
    print("Fuel Remaning : "..tostring(turtle.getFuelLevel()))
end

local function getfuel()
    local x = 0
    while not (turtle.getFuelLevel()) >500 do
    	turtle.suckDown(x,64)
    	turtle.refuel(64)
    	x=x+1
    end
end

local function drop()
    for y (1,16) do
    turtle.select(y)
    while turtle.dropDown(64) do
	term.clear()
    	term.setCursorPos(1,4)
	print("box is full")
    end
end



local function plow()
    while not turtle.up() do
            sleep(1)
    end

	while not turtle.up() do
            sleep(1)
    end

    move1()

    for o = 1,4 do
            for i = 1,16 do
                    move1()
            end
            turtle.turnRight()
            move1()
            turtle.turnRight()

            for i = 1,16 do
                    move()
            end
            if o <4 then
              turtle.turnLeft()
              move1()
	          move1()
              turtle.turnLeft()
            end
    end

    turtle.turnRight()
    for i = 1,10 do
            move2()
    end
    turtle.turnRight()

    while not turtle.down() do
            sleep(1)
    end
    turtle.turnLeft()
    turtle.turnLeft()
end


local iRepeat = 0
local iMin = 40
local iCount = 0
local spacer = ""
while true do
    term.clear()
    term.setCursorPos(1,4)
    print("Fuel Remaning : "..tostring(turtle.getFuelLevel()))
    term.setCursorPos(1,1)
    iRepeat = iRepeat+1
    print("plowing   :"..iRepeat)
    plow()
    term.setCursorPos(1,4)
    print("Fuel Remaning : "..tostring(turtle.getFuelLevel()))
    iCount = iMin
    while true do
            iCount = iCount-1
            term.setCursorPos(1,2)
            term.clearLine()
            print("sleeping "..iMin.." minuites")
            for i = 59,0,-1 do
                    sleep(1)
                    term.setCursorPos(1,3)
                    term.clearLine()
                    if i < 10 then
                            spacer = "0"
                    else
                            spacer = ""
                    end
                    write("To go    "..iCount..":"..spacer..i)
            end
            if iCount == 0 then
                    break
            end
    end
end