Percent Difference Oscillator

using System;
using cAlgo.API;
using cAlgo.API.Indicators;
using cAlgo.API.Internals;

namespace cAlgo
{
    [Levels(0)]
    [Cloud("Percent Difference Oscillator", "Zero Level", FirstColor = "Green", SecondColor = "Red", Opacity = 0.1)]  
    [Indicator(IsOverlay = false, AccessRights = AccessRights.None)]
    public class mPercentDifferenceOscillator : Indicator
    {
        [Parameter("Period (13)", DefaultValue = 13, MinValue = 2)]
        public int inpPeriod { get; set; }
        [Parameter("Smooth Type (sma)", DefaultValue = MovingAverageType.Simple)]
        public MovingAverageType inpSmoothType { get; set; }
        [Parameter("Data Source (close)", DefaultValue = enumPriceTypes.Close)]
        public enumPriceTypes inpPriceType { get; set; }

        [Output("Percent Difference Oscillator", LineColor = "Black", PlotType = PlotType.Line, LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outPDO { get; set; }
        [Output("Zero Level", LineColor = "Transparent", PlotType = PlotType.Line, LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outZeroLevel { get; set; }
        
        private IndicatorDataSeries _price, _pdo;
        private MovingAverage _smoothprice1, _smoothprice;
        

        protected override void Initialize()
        {
            _price = CreateDataSeries();
            _pdo = CreateDataSeries();
            _smoothprice1 = Indicators.MovingAverage(_price, 1, MovingAverageType.Simple);
            _smoothprice = Indicators.MovingAverage(_price, inpPeriod, inpSmoothType);
        }

        public override void Calculate(int i)
        {
            switch(inpPriceType)
            {
                case enumPriceTypes.Open:
                    _price[i] = Bars.OpenPrices[i];
                    break;
                case enumPriceTypes.Close:
                    _price[i] = Bars.ClosePrices[i];
                    break;
                case enumPriceTypes.High:
                    _price[i] = Bars.HighPrices[i];
                    break;
                case enumPriceTypes.Low:
                    _price[i] = Bars.LowPrices[i];
                    break;
                case enumPriceTypes.Median:
                    _price[i] = Bars.MedianPrices[i];
                    break;
                case enumPriceTypes.Typical:
                    _price[i] = Bars.TypicalPrices[i];
                    break;
                case enumPriceTypes.Weighted:
                    _price[i] = Bars.WeightedPrices[i];
                    break;
                default:
                    _price[i] = Bars.ClosePrices[i];
                    break;
            }
            
            _pdo[i] = _smoothprice.Result[i] != 0 ? 100.0 * (_smoothprice1.Result[i] - _smoothprice.Result[i]) / _smoothprice.Result[i] : 0;
            
            outPDO[i] = _pdo[i];
            outZeroLevel[i] = 0.0;
        }
    }
    
    public enum enumPriceTypes
    {
        Open,
        Close,
        High,
        Low,
        Median,
        Typical,
        Weighted
    }
}