checkFluid

local side = "right" -- Change this to your peripheral side
local device = peripheral.wrap(side)

if not device then
    print("No peripheral found on " .. side .. "!")
    return
end

-- Attempt to get the fluid list
local success, fluidList = pcall(device.listFluid)

if not success or type(fluidList) ~= "table" then
    print("Error: listFluid() did not return a valid table.")
    return
end

-- Process fluid data
local totalAmount = 0
local fluidLines = {}

for _, fluid in ipairs(fluidList) do
    if type(fluid.amount) == "number" then
        totalAmount = totalAmount + fluid.amount
    end
    table.insert(fluidLines, fluid.displayName .. ": " .. fluid.amount)
end

-- Add total amount at the end
table.insert(fluidLines, "--------------------")
table.insert(fluidLines, "Total Fluid Amount: " .. totalAmount)

-- Scrollable output handling
local outputOffset = 0
local outputPageSize = 10 -- Lines per page

local function displayOutput()
    term.clear()
    term.setCursorPos(1,1)

    print("Fluid Storage List (Scroll Up/Down):\n")

    for i = 1, outputPageSize do
        local index = i + outputOffset
        if index > #fluidLines then break end
        print(fluidLines[index])
    end

    print("\nScroll Up/Down to navigate, Q to exit.")
end

displayOutput()

while true do
    local event, key = os.pullEvent()

    if event == "mouse_scroll" then
        if key == 1 and outputOffset + outputPageSize < #fluidLines then
            outputOffset = outputOffset + 1
        elseif key == -1 and outputOffset > 0 then
            outputOffset = outputOffset - 1
        end
        displayOutput()

    elseif event == "key" then
        if key == keys.q then break -- Exit on 'Q'
        elseif key == keys.down and outputOffset + outputPageSize < #fluidLines then
            outputOffset = outputOffset + 1
            displayOutput()
        elseif key == keys.up and outputOffset > 0 then
            outputOffset = outputOffset - 1
            displayOutput()
        end
    end
end