local invMgr = peripheral.find("inventory_manager")

if not invMgr then error("Manager not found") end

print("Testing listChest()...")

-- 1. Try running the function
-- We assume it takes no arguments (scans the attached chest)
-- If it errors, we might need to give it a direction like "north"
local success, data = pcall(invMgr.getItemsChest)

if not success then
    print("Error calling function: " .. tostring(data))
    print("Trying with direction 'front'...")
    -- Some versions require a direction
    data = invMgr.getItemsChest("front")
end

-- 2. Check what we got back
if type(data) ~= "table" then
    print("Function did not return a list! Got: " .. type(data))
    return
end

print("Received a list of items.")

-- 3. Look at the first item to see if NBT is there
for slot, item in pairs(data) do
    print("--- Item in Slot " .. slot .. " ---")
    print("Name: " .. (item.name or "Unknown"))

    if item.nbt then
        print("NBT found!")
        print(textutils.serialize(item.nbt))
    else
        print("No NBT table found in this list.")
    end

    -- Stop after the first one so we don't spam the screen
    break
end