startup

e = peripheral.wrap("left")
e.setAutoCollect(true)

function unload()
    turtle.turnRight()
    for i = 2, 16 do
        turtle.select(i)
        turtle.drop()
    end
    turtle.select(1)
    turtle.turnLeft()
end

function checkFull()
    if turtle.getItemCount(16) > 0 then
        unload()
    end
end

function depositBook()
        turtle.turnLeft()
        turtle.drop()
        turtle.turnRight()
end


function enchant()
        if e.getLevels() >= 30 then
        turtle.select(1)
        e.enchant(30)
                depositBook()
        turtle.suckDown(1)
    end
end

while true do
    enchant()
    checkFull()
    turtle.attack()
end