Rising Three Methods - Bullish

//@version=5
indicator("Rising Three Methods - Bullish", shorttitle = "Rising Three Methods - Bull", overlay=true)

C_DownTrend = true
C_UpTrend = true
var trendRule1 = "SMA50"
var trendRule2 = "SMA50, SMA200"
var trendRule = input.string(trendRule1, "Detect Trend Based On", options=[trendRule1, trendRule2, "No detection"])

if trendRule == trendRule1
    priceAvg = ta.sma(close, 50)
    C_DownTrend := close < priceAvg
    C_UpTrend := close > priceAvg

if trendRule == trendRule2
    sma200 = ta.sma(close, 200)
    sma50 = ta.sma(close, 50)
    C_DownTrend := close < sma50 and sma50 < sma200
    C_UpTrend := close > sma50 and sma50 > sma200
C_Len = 14 // ta.ema depth for bodyAvg
C_ShadowPercent = 5.0 // size of shadows
C_ShadowEqualsPercent = 100.0
C_DojiBodyPercent = 5.0
C_Factor = 2.0 // shows the number of times the shadow dominates the candlestick body

C_BodyHi = math.max(close, open)
C_BodyLo = math.min(close, open)
C_Body = C_BodyHi - C_BodyLo
C_BodyAvg = ta.ema(C_Body, C_Len)
C_SmallBody = C_Body < C_BodyAvg
C_LongBody = C_Body > C_BodyAvg
C_UpShadow = high - C_BodyHi
C_DnShadow = C_BodyLo - low
C_HasUpShadow = C_UpShadow > C_ShadowPercent / 100 * C_Body
C_HasDnShadow = C_DnShadow > C_ShadowPercent / 100 * C_Body
C_WhiteBody = open < close
C_BlackBody = open > close
C_Range = high-low
C_IsInsideBar = C_BodyHi[1] > C_BodyHi and C_BodyLo[1] < C_BodyLo
C_BodyMiddle = C_Body / 2 + C_BodyLo
C_ShadowEquals = C_UpShadow == C_DnShadow or (math.abs(C_UpShadow - C_DnShadow) / C_DnShadow * 100) < C_ShadowEqualsPercent and (math.abs(C_DnShadow - C_UpShadow) / C_UpShadow * 100) < C_ShadowEqualsPercent
C_IsDojiBody = C_Range > 0 and C_Body <= C_Range * C_DojiBodyPercent / 100
C_Doji = C_IsDojiBody and C_ShadowEquals

patternLabelPosLow = low - (ta.atr(30) * 0.6)
patternLabelPosHigh = high + (ta.atr(30) * 0.6)

label_color_bullish = input(color.blue, "Label Color Bullish")
C_RisingThreeMethodsBullishNumberOfCandles = 5
C_RisingThreeMethodsBullish = false
if C_UpTrend[4] and (C_LongBody[4] and C_WhiteBody[4]) and (C_SmallBody[3] and C_BlackBody[3] and open[3]<high[4] and close[3]>low[4]) and (C_SmallBody[2] and C_BlackBody[2] and open[2]<high[4] and close[2]>low[4]) and (C_SmallBody[1] and C_BlackBody[1] and open[1]<high[4] and close[1]>low[4]) and (C_LongBody and C_WhiteBody and close>close[4])
    C_RisingThreeMethodsBullish := true
alertcondition(C_RisingThreeMethodsBullish, title = "New pattern detected", message = "New Rising Three Methods – Bullish pattern detected")
if C_RisingThreeMethodsBullish
    var ttBullishRisingThreeMethods = "Rising Three Methods\nRising Three Methods is a five-candle bullish pattern that signifies a continuation of an existing uptrend. The first candle is long and green, followed by three short red candles with bodies inside the range of the first candle. The last candle is also green and long and it closes above the close of the first candle. This decisive fifth strongly bullish candle hints that bears could not reverse the prior uptrend and that bulls have regained control of the market."
    label.new(bar_index, patternLabelPosLow, text="RTM", style=label.style_label_up, color = label_color_bullish, textcolor=color.white, tooltip = ttBullishRisingThreeMethods)
bgcolor(ta.highest(C_RisingThreeMethodsBullish?1:0, C_RisingThreeMethodsBullishNumberOfCandles)!=0 ? color.new(color.blue, 90) : na, offset=-(C_RisingThreeMethodsBullishNumberOfCandles-1))