Power Station

-- Peripheral Wrapping
local solarGenerator=peripheral.wrap("back")

-- Global Variables
local Discharging=0
local count=0
local oldBat=0

-- Functions
function isDaylight()
    return redstone.getAnalogInput("left")
end

function checkBattery()
    return ((solarGenerator.getEnergyStored() / solarGenerator.getMaxEnergyStored())*100)
end

function Discharge()
    redstone.setAnalogOutput("back",15)
    Discharging=true
end

function Charge()
    redstone.setAnalogOutput("back",0)
    Discharging=false
    count=0
end

-- Main Loop
Charge()

while true do
    if (isDaylight() > 0) then
        if (checkBattery() > 99 and Discharging==false) then
            print("Battery is full. Discharging")
            Discharge()
        end
    else
        print("No daylight detected. Discharging.")
        Discharge()
    end
        print("Waiting... ("..checkBattery().."%)")
    if (checkBattery()<1) then
        print ("Internal battery discharged. Charging")
        Charge()
    end
    if (checkBattery()==oldBat) then
        count=count+1
    else
        oldBat=checkBattery()
    end
    if (count>5) then
        Charge()
    end
    sleep(10)
end