Commodity Channel Index

//@version=5
indicator(title="Commodity Channel Index", shorttitle="CCI & ADX_by RM", format=format.price, precision=2, timeframe="", timeframe_gaps=true)
length = input.int(20, minval=1)
src = input(hlc3, title="Source")
ma = ta.sma(src, length)
cci = (src - ma) / (0.015 * ta.dev(src, length))
plot(cci, "CCI", color=#2962FF)
band1 = hline(100, "Upper Band", color=#787B86, linestyle=hline.style_solid)
bandmid0 = hline(0, "Middle 0 Band", color=#787B86, linestyle=hline.style_dashed)
band0 = hline(-100, "Lower Band", color=#787B86, linestyle=hline.style_solid)
bandupperreversal = hline(200, "Upper reversal Band", color=#787B86, linestyle=hline.style_dashed)
bandlowerreversal = hline(-200, "Lower Reversal Band", color=#787B86, linestyle=hline.style_dashed)
fill(band1, band0, color=color.rgb(33, 150, 243, 90), title="Background")

ma(source, length, type) =>
    switch type
        "SMA" => ta.sma(source, length)
        "EMA" => ta.ema(source, length)
        "SMMA (RMA)" => ta.rma(source, length)
        "WMA" => ta.wma(source, length)
        "VWMA" => ta.vwma(source, length)

typeMA = input.string(title = "Method", defval = "SMA", options=["SMA", "EMA", "SMMA (RMA)", "WMA", "VWMA"], group="Smoothing")
smoothingLength = input.int(title = "Length", defval = 5, minval = 1, maxval = 100, group="Smoothing")

smoothingLine = ma(cci, smoothingLength, typeMA)
plot(smoothingLine, title="Smoothing Line", color=#f37f20, display=display.none)


//@version=5
//indicator("Average Directional Index", shorttitle="ADX", format=format.price, precision=2, timeframe="", timeframe_gaps=true)
adxlen = input(4, title="ADX Smoothing")
dilen = input(4, title="DI Length")
dirmov(len) =>
	up = ta.change(high)
	down = -ta.change(low)
	plusDM = na(up) ? na : (up > down and up > 0 ? up : 0)
	minusDM = na(down) ? na : (down > up and down > 0 ? down : 0)
	truerange = ta.rma(ta.tr, len)
	plus = fixnan(100 * ta.rma(plusDM, len) / truerange)
	minus = fixnan(100 * ta.rma(minusDM, len) / truerange)
	[plus, minus]
adx(dilen, adxlen) =>
	[plus, minus] = dirmov(dilen)
	sum = plus + minus
	adx = 100 * ta.rma(math.abs(plus - minus) / (sum == 0 ? 1 : sum), adxlen)
sig = adx(dilen, adxlen)
plot(sig, color=color.yellow, title="ADX")

adxthresholdlevel = input(30, title="ADX Threshold Imp Level") //ADX threshold level 25 above this indicates strong momentum.. below 25 may be rangebound
ADXmylevel25 = hline(adxthresholdlevel, "ADX threshold level (25 or 30 above this indicates strong momentum, Below 25 or 30 price may stay rangebound)", color=#4CAF50, linestyle=hline.style_solid)