cell = peripheral.wrap("draconic_rf_storage_0")
mon = peripheral.wrap("right")

maxE = cell.getMaxEnergyStored()
curE = cell.getEnergyStored()
curEnToString = string.len(tostring(curE))

EnergyStoredValue = energyStoredToString
EnergyGenValue = energyGainToString

function energyStored()

    CurrentEnergyValue = string.len(tostring(curE))

    if CurrentEnergyValue <= 6 then
        energyStoredToString = string.sub(CurrentEnergyValue, 4).."Thousand rf"

    elseif CurrentEnergyValue <= 7 and string.len(esub) >= 9 then
        energyStoredToString = string.sub(CurrentEnergyValue, 7).."Mil rf"

    elseif CurrentEnergyValue <= 9 and string.len(esub) >= 12 then
        energyStoredToString = string.sub(CurrentEnergyValue, 10).. "Bil rf"

    elseif CurrentEnergyValue == 13 then
        energyStoredToString = string.sub(CurrentEnergyValue, 13).. "Tril rf"
    end
end

function energyRange()
    EnergyValue1 = cell.getEnergyStored()
    sleep(1)
    EnergyValue2 = cell.getEnergyStored()

    if EnergyValue1 < EnergyValue2 then
        EnergyGain = EnergyValue2 - EnergyValue1
        EnergyGainToString = string.len(tostring(EnergyGain))

        if EnergyGainToString <= 3 then
            EnerygyGainToString = "rf"
        elseif EnergyGainToString <= 6 then
        EnergyGainToString = string.sub(EnergyGain, 4).."Thousand rf"

        elseif EnergyGainToString <= 7 and EnergyGainToString >= 9 then
            EnergyGainToString = string.sub(EnergyGain, 7).."Mil rf"

        elseif EnergyGainToString <= 9 and EnergyGainToString >= 12 then
            EnergyGainToString = string.sub(EnergyGain, 10).. "Bil rf"

        elseif EnergyGainToString == 13 then
            EnergyGainToString = string.sub(EnergyGain, 13).. "Tril rf"
        end
    end
end

EnergyStoredValue = energyStoredToString
EnergyGenValue = energyGainToString

function Display()
  mon.clear()
  mon.setTextColor(colors.white)
  mon.setBackgroundColor(colors.black)
  mon.setTextScale(1)
  mon.setCursorPos(8,1)
  mon.write("Power Storage Monitor")
  mon.setCursorPos(1,4)
  mon.write("Energy Stored: "..EnergyStoredValue)
  mon.setCursorPos(1,6)
  mon.write("Energy Gained: "..EnergyGenValue)
  mon.setCursorPos(1,10)
  mon.write("Generator Status: "..status)
end