make this to tradingview strategy, //@version=3

study(title="Magic MA", shorttitle="Magic MA", overlay=true, max_bars_back=2000)

// 
// Author:  JustUncleL
// Date:    10-July-2016
// Version: v3
// 
// Description:
// A trend following indicator that uses fast QQE crosses with Moving Averages
// for trend direction filtering. QQE or Qualitative Quantitative Estimation is based 
// on the relative strength index, but uses a smoothing technique as an additional 
// transformation.
//

// - INPUTS START
// Slow MA - type, source, length
type3   = input(defval="HullMA", title="Slow MA Type: ", options=["SMA", "EMA", "WMA", "VWMA", "SMMA", "DEMA", "TEMA", "HullMA", "ZEMA", "TMA", "SSMA"], type=string)
len3    = input(defval=57, title="Slow Length", minval=1)  // Changed slow length to 57
//
// QQE rsi Length, Smoothing, fast ATR factor, source
RSILen  = input(6,title='RSI Length')
SF      = input(3,title='RSI Smoothing Factor')
QQE     = input(2.618,title='Fast QQE Factor')
threshhold = input(10, title="RSI Threshhold")
//
filter  = input(false,title="Use Moving Average Filter")
dfilter = input(false, title="Use Trend Directional Filter" )
ushunt  = input(false, title="Use Shunt Alerts to prevent Repaint")
RSIsrc  = input(close,title="Source")
srcclose= RSIsrc
shunt  = ushunt ? (RSIsrc==open ? 0 : 1) : 0
// - INPUTS END

// - FUNCTIONS

// Returns MA input selection variant, default to SMA if blank or typo.
variant(type, src, len) =>
    v1 = sma(src, len)                                                  // Simple
    v2 = ema(src, len)                                                  // Exponential
    v3 = wma(src, len)                                                  // Weighted
    v4 = vwma(src, len)                                                 // Volume Weighted
    v5 = 0.0
    v5 := na(v5[1]) ? sma(src, len) : (v5[1] * (len - 1) + src) / len    // Smoothed
    v6 = 2 * v2 - ema(v2, len)                                          // Double Exponential
    v7 = 3 * (v2 - ema(v2, len)) + ema(ema(v2, len), len)               // Triple Exponential
    v8 = wma(2 * wma(src, len / 2) - wma(src, len), round(sqrt(len)))   // Hull
    v11 = sma(sma(src,len),len)                                         // Triangular
    // SuperSmoother filter
    // © 2013  John F. Ehlers
    a1 = exp(-1.414*3.14159 / len)
    b1 = 2*a1*cos(1.414*3.14159 / len)
    c2 = b1
    c3 = (-a1)*a1
    c1 = 1 - c2 - c3
    v9 = 0.0
    v9 := c1*(src + nz(src[1])) / 2 + c2*nz(v9[1]) + c3*nz(v9[2])
    // Zero Lag Exponential
    e = ema(v1, len)
    v10 = v1+(v1-e)
    // return variant, defaults to SMA if input invalid.
    type=="EMA"?v2 : type=="WMA"?v3 : type=="VWMA"?v4 : type=="SMMA"?v5 : type=="DEMA"?v6 : type=="TEMA"?v7 : type=="HullMA"?v8 : type=="SSMA"?v9 : type=="ZEMA"?v10 : type=="TMA"? v11: v1

// - FUNCTIONS END

// - Fast ATR QQE
//
Wilders_Period = RSILen * 2 - 1
//
Rsi = rsi(RSIsrc,RSILen)
RSIndex = ema(Rsi, SF)
AtrRsi = abs(RSIndex[1] - RSIndex)
MaAtrRsi = ema(AtrRsi, Wilders_Period)
DeltaFastAtrRsi = ema(MaAtrRsi,Wilders_Period) * QQE
//
newshortband=  RSIndex + DeltaFastAtrRsi
newlongband= RSIndex - DeltaFastAtrRsi
longband = 0.0
shortband=0.0
trend = 0
longband:=RSIndex[1] > longband[1] and RSIndex > longband[1] ? max(longband[1],newlongband) : newlongband
shortband:=RSIndex[1] < shortband[1] and  RSIndex < shortband[1] ? min(shortband[1],newshortband) : newshortband
trend:=cross(RSIndex, shortband[1])? 1 : cross(longband[1], RSIndex) ? -1 : nz(trend[1],1)
FastAtrRsiTL = trend==1 ? longband : shortband

// - SERIES VARIABLES
// MA's
ma_slow = variant(type3, srcclose, len3)
// - SERIES VARIABLES END

// - PLOTTING
// Ma's
plot(ma_slow, title="MA Slow", color=blue, linewidth=2, transp=0)

// - PLOTTING END

// - ALERTING

// - ALERTING END

//EOF