using SignalsTest;

public static class Confirmations
{
    public static float GetTWSConfirmation(List<TAReport> reports, int i)
    {
        float TWSHeightIncrement = 0;

        if (i > 22)
        {
            bool hasCrossedST = false;
            bool hasCrossedMA = false;
            for (int z = 0; z < 20; z++)
            {
                if (!reports[i - z].STUp && reports[i].STUp)
                {
                    hasCrossedST = true;
                }

                if (reports[i - z].SMA20 < reports[i - z].Open && reports[i].SMA20 > reports[i].Open)
                {
                    hasCrossedMA = true;
                }
            }

            if (hasCrossedMA) TWSHeightIncrement += 15;
            if (hasCrossedST) TWSHeightIncrement += 15;
        }

        return TWSHeightIncrement;
    }

    public static float GetTBCConfirmation(List<TAReport> reports, int i)
    {
        float HeightIncrement = 0;

        if (i > 22)
        {
            bool hasCrossedST = false;
            bool hasCrossedMA = false;
            for (int z = 0; z < 20; z++)
            {
                if (reports[i - z].STUp && !reports[i].STUp)
                {
                    hasCrossedST = true;
                }

                if (reports[i - z].SMA20 > reports[i - z].Open && reports[i].SMA20 < reports[i].Open)
                {
                    hasCrossedMA = true;
                }
            }

            if (hasCrossedMA) HeightIncrement += 15;
            if (hasCrossedST) HeightIncrement += 15;
        }

        return HeightIncrement;
    }

    public static List<decimal> GetSupportiveLevels(List<TAReport> reports, float tolerance = 0.1f, int steps = 5, string SMA="SMA20"){
        List<decimal> allSups = new List<decimal>();

        decimal highest = 0;
        decimal lowest = 1000000000000000;

        int lastMACross = 0;
        for(int k =0; k < reports.Count; k++){
            if(highest < reports[k].candle.High){
                highest = reports[k].candle.High;
            }

            if(lowest > reports[k].candle.Low){
                lowest = reports[k].candle.Low;
            }

            if(k <steps * 3){continue;} //not enough history

            bool MATopNow = decimal.Parse(Utils.GetPropByName(reports[k], SMA).ToString() ?? "0") > reports[k].candle.High;
            bool MATopBefore = decimal.Parse(Utils.GetPropByName(reports[k-1], SMA).ToString() ?? "0") > reports[k-1].candle.High;

            bool MACrossed = MATopBefore!=MATopNow;
            if(!MACrossed){continue;}//No cross
            if(lastMACross == 0){
                lastMACross = k;
                continue; //First Cross
            }

            //Get lowest point between this and last cross
            decimal lowestInPeriod = 1000000;
            for(int i=lastMACross; i < k; i++ ){
                if(reports[i].candle.Low < lowestInPeriod){
                    decimal candleBot = reports[i].candle.Open < reports[i].candle.Close ? reports[i].candle.Open : reports[i].candle.Close; 

                    lowestInPeriod=candleBot;
                }
            }

            allSups.Add(lowestInPeriod);
        }

        List<decimal> formattedSups = new List<decimal>();
        decimal range = highest-lowest;
        foreach(decimal sup in allSups){
            formattedSups.Add(sup);
        }

        return formattedSups;
    }

    public static List<decimal> GetResistanceLevels(List<TAReport> reports, float tolerance = 0.1f, int steps = 5, string SMA="SMA20"){
        List<decimal> allResistances = new List<decimal>();

        decimal highest = 0;
        decimal lowest = 1000000000000000;

        int lastMACross = 0;
        for(int k =0; k < reports.Count; k++){
            if(highest < reports[k].candle.High){
                highest = reports[k].candle.High;
            }

            if(lowest > reports[k].candle.Low){
                lowest = reports[k].candle.Low;
            }

            if(k <steps * 3){continue;} //not enough history

            bool MATopNow = decimal.Parse(Utils.GetPropByName(reports[k], SMA).ToString() ?? "0") > reports[k].candle.High;
            bool MATopBefore = decimal.Parse(Utils.GetPropByName(reports[k-1], SMA).ToString() ?? "0") > reports[k-1].candle.High;

            bool MACrossed = MATopBefore!=MATopNow;
            if(!MACrossed){continue;}//No cross
            if(lastMACross == 0){
                lastMACross = k;
                continue; //First Cross
            }

            //Get lowest point between this and last cross
            decimal highestInPeriod = 0;
            for(int i=lastMACross; i < k; i++ ){
                if(reports[i].candle.High > highestInPeriod){
                    decimal candleTop = reports[i].candle.Open > reports[i].candle.Close ? reports[i].candle.Open : reports[i].candle.Close; 
                    highestInPeriod=candleTop;
                }
            }

            allResistances.Add(highestInPeriod);
        }

        List<decimal> formattedResistances = new List<decimal>();
        decimal range = highest-lowest;
        foreach(decimal resistance in allResistances){
            formattedResistances.Add(resistance);
        }

        return formattedResistances;
    }
}