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// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © HamidBox

//@version=4
study("RSI Signals", overlay=true, shorttitle="Advanced RSI")

//Inputs
rsiL = input(title="RSI Length", type=input.integer, defval=7)
rsiOBI = input(title="RSI Overbought", type=input.integer, defval=70)
rsiOSI = input(title="RSI Oversold", type=input.integer, defval=30)
fibLevel = input(title="Hammer Body Size", type=input.float, defval=0.333, step=0.01)
BullBearEngulf = input(title="Bullish Bearish Engulfing", type=input.bool, defval=true)
hammerShooting = input(title="Hammer Shooting Bar", type=input.bool, defval=false)
twoBullBearBar = input(title="Two Bull Bear Bar", type=input.bool, defval=false)

//RSI VALUE
myRsi = rsi(close , rsiL)

//RSI OVERBOUGHT / OVERSOLD
rsiOB = myRsi >= rsiOBI
rsiOS = myRsi <= rsiOSI

///////////=Hammer & Shooting star=/////////////

bullFib = (low - high) * fibLevel + high
bearFib = (high - low) * fibLevel + low

// Determine which price source closses or open highest/lowest
bearCandle = close < open ? close : open
bullCandle = close > open ? close : open 

// Determine if we have a valid hammer or shooting star
hammer = (bearCandle >= bullFib) and rsiOS
shooting = (bullCandle <= bearFib) and rsiOB

twoGreenBars = (close > open and close[1] > open[1]) and rsiOS
twoRedBars = (close < open and close[1] < open[1]) and rsiOB

/////////////////////////////////////////////

// Engulfing candles
bullE = (close > open[1] and close[1] < open[1])
 //or hammer or twoGreenBars 
 
bearE = close < open[1] and close[1] > open[1]
 //or shooting or twoRedBars 

///////////////////////////////////////////


// ((x) y) farmula defination is: X is gona be executed before Y,
TradeSignal = ((rsiOS or rsiOS[1]) and bullE) or ((rsiOB or rsiOB[1]) and bearE)

if (TradeSignal and bearE and BullBearEngulf)
    label.new(x= bar_index, y= na, text="Exit", yloc= yloc.abovebar,color= color.maroon, textcolor= color.white, style= label.style_label_down, size=size.normal)
plotshape(TradeSignal and bearE and BullBearEngulf, title="Overbought", location=location.abovebar, color=color.orange, style=shape.triangleup, size=size.auto, text="")

if (TradeSignal and bullE and BullBearEngulf)
    label.new(x= bar_index, y= na, text="Buy", yloc= yloc.belowbar,color= color.green, textcolor= color.white, style= label.style_label_up, size=size.normal)
plotshape(TradeSignal and bullE and BullBearEngulf, title="Oversold", location=location.belowbar, color=color.lime, style=shape.triangleup, size=size.auto, text="")

//////////////////////////////

if (shooting and hammerShooting)
    label.new(x= bar_index, y= na, text="SS", yloc= yloc.abovebar,color= color.purple, textcolor= color.white, style= label.style_label_down, size=size.normal)
plotshape(shooting and hammerShooting, title="Overbought + hammer/shooting", location=location.abovebar, color=color.purple, style=shape.triangledown, size=size.auto, text="")

if (hammer and hammerShooting)
    label.new(x= bar_index, y= na, text="HMR", yloc= yloc.belowbar,color= color.blue, textcolor= color.white, style= label.style_label_up, size=size.normal)
plotshape(hammer and hammerShooting, title="Oversold + hammer/shooting", location=location.belowbar, color=color.lime, style=shape.triangledown, size=size.auto, text="")

///////////////////////////

if (twoGreenBars and twoBullBearBar)
    label.new(x= bar_index, y= na, text="2Bull", yloc= yloc.belowbar,color= color.olive, textcolor= color.white, style= label.style_label_up, size=size.normal)
plotshape(twoGreenBars and twoBullBearBar, title="Oversold + 2bulls", location=location.belowbar, color=color.lime, style=shape.triangledown, size=size.auto, text="")

if (twoRedBars and twoBullBearBar)
    label.new(x= bar_index, y= na, text="2Bear", yloc= yloc.abovebar,color= color.red, textcolor= color.white, style= label.style_label_down, size=size.normal)
plotshape(twoRedBars and twoBullBearBar, title="Overbought + 2bears", location=location.abovebar, color=color.blue, style=shape.triangledown, size=size.auto, text="")


// Send Alert if Candle meets our condition
alertcondition(TradeSignal, title="RSI SIGNAL", message="RSI Signal Detected fot {{ticker}}")