BotaniaOverflowHandler

if (fs.exists("choices") == false) then --Check if this is first time run, no saved choices on file
    while true do
        print("How many crates for turtle to empty from?(1-16):")
        local answer = read()
        if tonumber(answer)==nill then
            print("-Wrong answer, input not a number-")
        else
            local answerv = tonumber(string.format("%." .. 0 .. "f", answer))
            if (0 < answerv and answerv <= 16) then
                crates=answerv
                break
            else
                print("-Wrong answer, input does not match range of choices-")
            end
        end
    end

    --Write choices to file
    local file = fs.open("choices","w")
    file.writeLine("crates="..tostring(crates))

    file.close()
end


os.loadAPI("choices") -- Reads choices from file
local crates= choices.crates



local function load()
    for i=1,crates do
        if i>1 then
            turtle.back()
        end
        provider=peripheral.wrap("top")
        turtle.select(i)
        provider.pushItems("down",1,64,i)
    end
    for i=1,crates-1 do
        turtle.forward()
    end
end

local function unload()
    chest=peripheral.wrap("bottom")
    for i=1,crates do
        turtle.select(i)
        chest.pullItems("up",i,64,i)
    end
end

local function cake()
    chest=peripheral.wrap("bottom")
    provider=peripheral.wrap("top")
    provider.pushItems("down",1,64,1)
    chest.pullItems("up",1,64,1)
end

--return to home in case of restart
while turtle.forward() do end


while true do
    load()
    unload()
    for i=1,50 do
        cake()
        sleep(3)
    end
end