Oscar osc

//@version=5
// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © GenZai 18-08-2021 v5

indicator('OSCAR', timeframe='')
len = input(title='Oscar Candles', defval=8)
slowLen = input(title='Slow Oscar Candles', defval=16)
smoothing = input.string(title='Oscar Smoothing', defval='RMA', options=['RMA', 'SMA', 'EMA', 'WMA', 'LSMA', 'HMA', 'NONE'])
slowOscarSmoothing = input.string(title='Slow Oscar Smoothing', defval='WMA', options=['RMA', 'SMA', 'EMA', 'WMA', 'LSMA', 'HMA', 'NONE'])
crossSignalSensitivity = input.float(title='Cross Signal Sensitivity', defval=0.5, step=0.1)
OscarOfIndicator = input(title='Choose input type', defval=close)
bottomSignalLine = input.int(title='Bottom Signal Line', defval=35, step=5)
topSignalLine = input.int(title='Top Signal Line', defval=65, step=5)


ma(smoothing, OscarParam, len) =>
    if smoothing == 'RMA'
        ta.rma(OscarParam, len)
    else
        if smoothing == 'SMA'
            ta.sma(OscarParam, len)
        else
            if smoothing == 'EMA'
                ta.ema(OscarParam, len)
            else
                if smoothing == 'WMA'
                    ta.wma(OscarParam, len)
                else
                    if smoothing == 'LSMA'
                        ta.linreg(OscarParam, len, 0)
                    else
                        if smoothing == 'HMA'
                            ta.hma(OscarParam, len)
                        else
                            OscarParam

A = ta.highest(OscarOfIndicator, len)
B = ta.lowest(OscarOfIndicator, len)
OscarRough = (OscarOfIndicator - B) / (A - B) * 100
Oscar1 = OscarRough[1] / 3 * 2
OscarThird = OscarRough / 3
Oscar = Oscar1 + OscarThird
smoothedOscarRough = ma(smoothing, OscarRough, len)
smoothedOscar = ma(smoothing, Oscar, len)
plot(smoothedOscarRough, title='Oscar Rough', linewidth=2, color=color.new(color.green, 0))
plot(smoothedOscar, title='Oscar', linewidth=2, color=color.new(color.red, 0))
hline(bottomSignalLine, title='Bottom Signal', color=color.green, linestyle=hline.style_dashed)
hline(topSignalLine, title='Top Signal', color=color.red, linestyle=hline.style_dashed)
hline(20, title='Bottom Level', color=color.gray, linestyle=hline.style_dashed)
hline(80, title='Top Level', color=color.gray, linestyle=hline.style_dashed)

crossSensitivity = math.max(smoothedOscarRough, smoothedOscar) - math.min(smoothedOscarRough, smoothedOscar)
plotchar(crossSensitivity, 'cross sensitivity Value', '', location=location.top, color=color.new(color.blue, 0))

plotshape(ta.crossover(smoothedOscarRough, smoothedOscar) and crossSensitivity > crossSignalSensitivity and smoothedOscarRough < bottomSignalLine, color=color.new(color.green, 0), style=shape.triangleup, location=location.bottom)
plotshape(ta.crossover(smoothedOscarRough, smoothedOscar)[1] and crossSensitivity > crossSignalSensitivity and smoothedOscarRough > smoothedOscar and smoothedOscar < bottomSignalLine, color=color.new(color.green, 0), style=shape.arrowup, location=location.bottom)
plotshape(ta.crossunder(smoothedOscarRough, smoothedOscar) and crossSensitivity > crossSignalSensitivity and smoothedOscarRough > topSignalLine, color=color.new(color.red, 0), style=shape.triangledown, location=location.top)
plotshape(ta.crossunder(smoothedOscarRough, smoothedOscar)[1] and crossSensitivity > crossSignalSensitivity and smoothedOscar > smoothedOscarRough and smoothedOscar > topSignalLine, color=color.new(color.red, 0), style=shape.arrowdown, location=location.top)

// Slow Oscar

slowOscarMa(slowOscarSmoothing, slowOscarParam, slowLen) =>
    if slowOscarSmoothing == 'RMA'
        ta.rma(slowOscarParam, slowLen)
    else
        if slowOscarSmoothing == 'SMA'
            ta.sma(slowOscarParam, slowLen)
        else
            if slowOscarSmoothing == 'EMA'
                ta.ema(slowOscarParam, slowLen)
            else
                if slowOscarSmoothing == 'WMA'
                    ta.wma(slowOscarParam, slowLen)
                else
                    if slowOscarSmoothing == 'LSMA'
                        ta.linreg(slowOscarParam, slowLen, 0)
                    else
                        if slowOscarSmoothing == 'HMA'
                            ta.hma(slowOscarParam, slowLen)
                        else
                            slowOscarParam

slowA = ta.highest(OscarOfIndicator, slowLen)
slowB = ta.lowest(OscarOfIndicator, slowLen)
slowOscarRough = (OscarOfIndicator - slowB) / (slowA - slowB) * 100
slowOscar1 = slowOscarRough[1] / 3 * 2
slowOscarThird = slowOscarRough / 3
slowOscar = slowOscar1 + slowOscarThird
smoothedSlowOscar = slowOscarMa(slowOscarSmoothing, slowOscar, slowLen)
plot(smoothedSlowOscar, title='slowOscar', linewidth=2, color=color.new(color.purple, 0), display=display.none)