Enchanting

--Constants:

local maxLevel = 30
local waitTime = 20

--Variables:

local level = 0
local x = 0
--Functions:

function clear()
    term.clear()
    term.setCursorPos(1,1)
end

function wait()
    for i = 1 , waitTime do
        clear()
        print("Current level = "..m.getLevels()..".")
        print("("..maxLevel-m.getLevels().." more levels until the next enchant.)")
        print("")
        print("Waiting: "..waitTime-x)
        if x >= waitTime then
            x = 1
        else
            x = x + 1
        end
        sleep(1)
    end
end

function getLevel()
    level = m.getLevels()
end

function collect()
    m.getUp()
end

function getBook()
    turtle.select(1)
    turtle.suck()
    if turtle.getItemCount(1) > 1 then
        turtle.drop(turtle.getItemCount(1) -1)
    elseif turtle.getItemCount(1) == 1 then enchant()
    else print("") print("No books...") sleep(2)
    end
end

function enchant()
    turtle.select(1)
    m.enchant(maxLevel)
end

function deposit()
    turtle.select(1)
    turtle.dropDown()
end

--MAIN PROGRAM:

m = peripheral.wrap("right")

while true do
    collect()
    level = 0
    getLevel()
    if level >= maxLevel then
        getBook()
        if turtle.getItemCount(1) == 1 then
            enchant()
            deposit()
        end
    end
wait()
end