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

namespace cAlgo.Robots
{
    [Robot(TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class SvrHeadlessScreener : Robot
    {
        [Parameter("ATR Period", DefaultValue = 14, MinValue = 1)]
        public int AtrPeriod { get; set; }

        [Parameter("Minimum SVR Threshold", DefaultValue = 15.0)]
        public double SvrThreshold { get; set; }

        private AverageTrueRange _atr;

        protected override void OnStart()
        {
            // Initialize ATR on the M15 execution timeframe
            _atr = Indicators.AverageTrueRange(MarketData.GetBars(TimeFrame.Minute15), AtrPeriod, MovingAverageType.Simple);
        }

        protected override void OnBar()
        {
            // Retrieve the last closed bar's ATR
            double currentAtr = _atr.Result.Last(1);
            
            // Normalize raw price values to standard pips
            double spreadInPips = Symbol.Spread / Symbol.PipSize;
            double atrInPips = currentAtr / Symbol.PipSize;

            // Prevent division by zero during zero-spread ticks on raw pricing accounts
            if (spreadInPips <= 0) return;

            double svr = Math.Round(atrInPips / spreadInPips, 2);

            if (svr >= SvrThreshold)
            {
                string alertMessage = $"[SVR ALIVE] {Symbol.Name} | SVR: {svr} | Spread: {spreadInPips:F1} pips | M15 ATR: {atrInPips:F1} pips";
                
                // Push notification to the mobile app
                Notifications.SendPushNotification(alertMessage);
                Print(alertMessage);
            }
        }
    }
}