[TURTLE] Refuel

local tArgs = { ... }


local item = "coal"

if #tArgs > 0 then
    item = tArgs[1]
end

local slotWithEnderChest = 16
currentSlot = turtle.getSelectedSlot()
print("Refuelling")
if turtle.detectUp() then
    turtle.digUp()
end
-- Place the ender chest
turtle.select(slotWithEnderChest)
turtle.placeUp()
turtle.select(currentSlot)
chest = peripheral.wrap("top")

inventorySize = chest.getInventorySize()
for i=1,inventorySize do
    currentItem = chest.getStackInSlot(i)
    if currentItem == nil then
        break
    end
    if currentItem["name"] == item then
        -- Find the first inventory slot in the turtle
        freeSlot = -1
        for j=1,16 do
            print("Checking slot "..j..":"..turtle.getItemCount(j))
            if turtle.getItemCount(j) == 0 then
                freeSlot = j
                print("Found free slot "..j)
                break
            end
        end
        chest.pushItemIntoSlot("down", i, 64, freeSlot)
        turtle.select(i)
        turtle.refuel()
    end
end
turtle.select(slotWithEnderChest)
turtle.digUp()
turtle.select(currentSlot)
print(turtle.getFuelLevel())