Get Tradingview pine script Code That Actually Works

//@version=5
indicator("RSI Divergence Detector", shorttitle="RSI Div", overlay=false)

// Input parameters
rsi_length = input.int(14, title="RSI Length", minval=1)
lookback = input.int(5, title="Divergence Lookback", minval=2, maxval=20)
max_div_bars = input.int(50, title="Max Bars Between Pivots", minval=10)
show_bullish = input.bool(true, title="Show Bullish Divergence")
show_bearish = input.bool(true, title="Show Bearish Divergence")

// RSI calculation
rsi = ta.rsi(close, rsi_length)

// Pivot detection functions
pivot_high = ta.pivothigh(rsi, lookback, lookback)
pivot_low = ta.pivotlow(rsi, lookback, lookback)

// Variables for divergence tracking
var float last_pivot_high_price = na
var int last_pivot_high_bar = na
var float last_pivot_low_price = na
var int last_pivot_low_bar = na

// Update last pivot highs
if not na(pivot_high)
    last_pivot_high_price := pivot_high
    last_pivot_high_bar := bar_index[lookback]

// Update last pivot lows
if not na(pivot_low)
    last_pivot_low_price := pivot_low
    last_pivot_low_bar := bar_index[lookback]

// Bullish divergence: price makes lower low, RSI higher low
bullish_div = false
if not na(pivot_low) and not na(last_pivot_low_price) and bar_index - last_pivot_low_bar <= max_div_bars
    price_low = low[lookback]
    last_price_low = low[last_pivot_low_bar - bar_index + lookback]
    if price_low < last_price_low and pivot_low > last_pivot_low_price
        bullish_div := true

// Bearish divergence: price makes higher high, RSI lower high
bearish_div = false
if not na(pivot_high) and not na(last_pivot_high_price) and bar_index - last_pivot_high_bar <= max_div_bars
    price_high = high[lookback]
    last_price_high = high[last_pivot_high_bar - bar_index + lookback]
    if price_high > last_price_high and pivot_high < last_pivot_high_price
        bearish_div := true

// Plots
plot(rsi, title="RSI", color=color.purple, linewidth=2)
hline(70, "Overbought", color=color.red, linestyle=hline.style_dashed)
hline(30, "Oversold", color=color.green, linestyle=hline.style_dashed)
hline(50, "Midline", color=color.gray, linestyle=hline.style_dotted)

// Divergence shapes
plotshape(show_bullish and bullish_div ? pivot_low : na, title="Bullish Div", style=shape.labelup, location=location.bottom, color=color.green, text="BD", textcolor=color.white, size=size.small)
plotshape(show_bearish and bearish_div ? pivot_high : na, title="Bearish Div", style=shape.labeldown, location=location.top, color=color.red, text="SD", textcolor=color.white, size=size.small)

// Alerts
alertcondition(bullish_div, title="Bullish RSI Divergence", message="Bullish RSI Divergence detected on {{ticker}} - Potential reversal up!")
alertcondition(bearish_div, title="Bearish RSI Divergence", message="Bearish RSI Divergence detected on {{ticker}} - Potential reversal down!")

// Background color for divergence
bgcolor(bullish_div ? color.new(color.green, 90) : na, title="Bullish Div BG")
bgcolor(bearish_div ? color.new(color.red, 90) : na, title="Bearish Div BG")