component = require("component")
term = require("term")
local sleepTime = 0.5
sides = require("sides")
colors = require("colors")
rs = component.redstone
tank = component.tank_controller

while true do
    tInfo = tank.getFluidInTank(sides.west) -- Tank is above the Adapter
    amount = tInfo[1].amount
    capacity = tInfo[1].capacity
    label = tInfo[1].label
    percent = (tInfo[1].amount / tInfo[1].capacity) * 100
    percent = math.floor(percent + 0.5) --lua's functions do not modify their arguments!

    if percent == 100 then
        rs.setBundledOutput(sides.up,colors.white,255)
    else
        rs.setBundledOutput(sides.up,colors.white,0)
    end

    if percent < 95 then
        rs.setBundledOutput(sides.up,colors.purple,255)
    else
        rs.setBundledOutput(sides.up,colors.purple,0)
    end

    term.clear()
    print("Fuel Type: "..label)
    print("Amount   : "..amount)
    print("Tank Cap.: "..capacity)
    print("% Full   : "..percent)
    os.sleep(2)
    os.sleep(sleepTime)
end