Support & Resistance Levels with Break of Structure

//@version=5
// This script is distributed under the terms of the MIT License.
// See https://opensource.org/licenses/MIT for more information.
// © Salih Emin (cerebrux)

indicator(title='Support & Resistance Levels with Break of Structure', shorttitle='Support & Resistance Levels with Break of Structure', overlay=true, max_bars_back=1000)

// Define input parameters
toggleBreaks = input(true, title='Show Stracture Breakers')
leftBars = input(9, title='Left Bars')
rightBars = input(9, title='Right Bars')
volumeThreshold = input(26, title='Volume Threshold')

// Calculate pivots
higherPivot = fixnan(ta.pivothigh(leftBars, rightBars)[1])
lowerPivot = fixnan(ta.pivotlow(leftBars, rightBars)[1])

// Plot pivots
plot(higherPivot, color=ta.change(higherPivot) ? na : #ff0000, linewidth=2, offset=-(rightBars + 1), title='Resistance Level')
plot(lowerPivot, color=ta.change(lowerPivot) ? na : #00ff4c, linewidth=2, offset=-(rightBars + 1), title='Support Level')

// Calculate volume_oscillator
short_time_vol = ta.ema(volume, 9)
long_time_vol = ta.ema(volume, 26)
volume_oscillator = 100 * (short_time_vol - long_time_vol) / long_time_vol

// Plot breaks with volume
plotshape(toggleBreaks and ta.crossunder(close, lowerPivot) and not(open - close < high - open) and volume_oscillator > volumeThreshold, title='BEARISH Break of Structure', text='Bearish Break', style=shape.labeldown, location=location.abovebar, color=color.new(#fd0000, 0), textcolor=color.new(color.white, 0), size=size.tiny)
plotshape(toggleBreaks and ta.crossover(close, higherPivot) and not(open - low > close - open) and volume_oscillator > volumeThreshold, title='BULLISH Break of Structure', text='Bullish Break', style=shape.labelup, location=location.belowbar, color=color.new(#00c40a, 0), textcolor=color.new(color.white, 0), size=size.tiny)

// Plot bull / bearish wicks
plotshape(toggleBreaks and ta.crossover(close, higherPivot) and open - low > close - open, title='Bullish Wick Break', text='Bullish Wick', style=shape.labelup, location=location.belowbar, color=color.new(#007c04, 0), textcolor=color.new(color.white, 0), size=size.tiny)
plotshape(toggleBreaks and ta.crossunder(close, lowerPivot) and open - close < high - open, title='Bullish Wick Break', text='Bearish Wick', style=shape.labeldown, location=location.abovebar, color=color.new(#570000, 0), textcolor=color.new(color.white, 0), size=size.tiny)


// Set up alerts for when the price reaches the support and resistance levels
alertcondition(ta.crossunder(close, lowerPivot) or close == lowerPivot, title='Price at Support Level', message='Price at Support Level')
alertcondition(ta.crossover(close, higherPivot) or close == higherPivot, title='Price at Resistance Level', message='Price at Resistance Level')

// Set alerts for when the price breaks levels
alertcondition(ta.crossunder(close, lowerPivot) and volume_oscillator > volumeThreshold, title='Support Level Broken', message='Support Level Broken')
alertcondition(ta.crossover(close, higherPivot) and volume_oscillator > volumeThreshold, title='Resistance Level Broken', message='Resistance Level Broken')