Tree Farm Monitor

--Tree Analyzer

local inventory = peripheral.wrap("back");
function getAmount()
   return inventory.getItemDetail(2).count;
end

local count = 1;

local oldAmount = getAmount();
local newAmount = 0;
local sum = 0;
local average = 0;



function parseTime(timeInSeconds)
    if timeInSeconds < 60 then
        if timeInSeconds < 10 then return 0 .. timeInSeconds;
        else return timeInSeconds;
        end
    elseif timeInSeconds < 3600 then
        local minutes = math.floor(timeInSeconds / 60);
        local seconds = timeInSeconds % 60;
        if minutes < 10 then minutes = 0 .. minutes end
        if seconds < 10 then seconds = 0 .. seconds end
        return minutes .. ":" .. seconds;
    elseif timeInSeconds < 86400 then
        local hours = math.floor((timeInSeconds / 60) / 60)
        local minutes = math.floor((timeInSeconds / 60) % 60);
        local seconds = timeInSeconds % 60;
        if hours < 10 then hours = 0 .. hours end
        if minutes < 10 then minutes = 0 .. minutes end
        if seconds < 10 then seconds = 0 .. seconds end
        return hours .. ":" .. minutes .. ":" .. seconds;
    else
        local seconds = timeInSeconds % 60;
        local minutes = math.floor((timeInSeconds / 60) % 60);
        local hours = math.floor(((timeInSeconds / 60) / 60) % 24)
        local days = math.floor(((timeInSeconds / 60) / 60) / 24)

        if days < 10 then days = 0 .. days end
        if hours < 10 then hours = 0 .. hours end
        if minutes < 10 then minutes = 0 .. minutes end
        if seconds < 10 then seconds = 0 .. seconds end

        return days .. ":" .. hours .. ":" .. minutes .. ":" .. seconds;
    end
end

term.clear();
term.setCursorPos(1,1);
term.write("Uptime: ");
term.setCursorPos(1,2);
term.write("Average Increase Per Second: ")
term.setCursorPos(1,3);
term.write("Amount Of Wood: ");

function updateScreen()
    term.setCursorPos(9, 1);
    term.write(parseTime(count));
    term.setCursorPos(30, 2);
    term.write(math.floor(average));
    term.setCursorPos(17,3);
    term.write(getAmount());

end
while true do
    local dif = getAmount() - oldAmount;
    oldAmount = getAmount();
    sum = sum + dif;
    average = sum / count;
    sleep(1);
    updateScreen();
    count = count + 1;

end