-- Function to check if the turtle's inventory is full
function isInventoryFull()
    for slot = 1, 16 do
        if turtle.getItemCount(slot) == 0 then
            return false -- There's an empty slot
        end
    end
    return true -- All slots are full
end

-- Function to fill the turtle's inventory from the chest in front
function fillInventory()
    while not isInventoryFull() do
        turtle.suck() -- Try to pull items from the chest in front
        sleep(0.5) -- Slight delay to allow for more items to be available
    end
end

-- Function to perform the required movements: turn left, move forward, down, turn right
function moveToDropLocation()
    turtle.turnLeft() -- Turn left
    turtle.forward()  -- Move forward
    turtle.down()     -- Move down
    turtle.turnRight()-- Turn right
end

-- Function to move back to the original position
function returnToStart()
    turtle.turnLeft() -- Turn left
    turtle.up()       -- Move up
    turtle.back()     -- Move back to the original spot
    turtle.turnRight()-- Turn right
end

-- Function to transfer all items from turtle to chest
function transferItems()
    for slot = 1, 16 do
        turtle.select(slot)
        turtle.drop() -- Drop items into the chest in front
    end
end

-- Main loop
while true do
    fillInventory()       -- Fill the turtle's inventory from the first chest
    moveToDropLocation()  -- Perform the movements to get to the second chest
    transferItems()       -- Drop the items into the second chest
    returnToStart()       -- Move back to the original position
    sleep(5)              -- Wait 5 seconds before repeating
end