Get Swing trading defined Code That Actually Works

//@version=5
indicator("Swing Trading Defined - Pivot Swings with Alerts", shorttitle="Swing Defined", overlay=true)

// Input parameters for customization
pivotLeft = input.int(5, title="Pivot Left Bars", minval=1, maxval=20)
pivotRight = input.int(5, title="Pivot Right Bars", minval=1, maxval=20)
swingThreshold = input.float(1.0, title="Min Swing % Move", minval=0.1, maxval=5.0) / 100
useEmaFilter = input.bool(true, title="Use EMA Trend Filter")
emaLength = input.int(21, title="EMA Length", minval=1)
rsiLength = input.int(14, title="RSI Length for Confirmation")
rsiOversold = input.int(30, title="RSI Oversold Level")
rsiOverbought = input.int(70, title="RSI Overbought Level")

// Calculate EMA for trend filter
ema = ta.ema(close, emaLength)
plot(useEmaFilter ? ema : na, title="Trend EMA", color=color.blue, linewidth=2)

// RSI for momentum confirmation
rsi = ta.rsi(close, rsiLength)

// Detect pivot highs and lows
pivotHigh = ta.pivothigh(high, pivotLeft, pivotRight)
pivotLow = ta.pivotlow(low, pivotLeft, pivotRight)

// Confirm swings with threshold and optional filters
var float lastSwingHigh = na
var float lastSwingLow = na

swingHigh = na(float)
swingLow = na(float)

if not na(pivotHigh)
    pctMove = math.abs(pivotHigh - nz(lastSwingLow, pivotHigh)) / nz(lastSwingLow, pivotHigh)
    if pctMove >= swingThreshold and (not useEmaFilter or pivotHigh > ema[pivotRight])
        swingHigh := pivotHigh
        lastSwingHigh := pivotHigh

if not na(pivotLow)
    pctMove = math.abs(nz(lastSwingHigh, pivotLow) - pivotLow) / nz(lastSwingHigh, pivotLow)
    if pctMove >= swingThreshold and (not useEmaFilter or pivotLow < ema[pivotRight])
        swingLow := pivotLow
        lastSwingLow := pivotLow

// Plot swing points
plotshape(swingHigh, title="Swing High", style=shape.triangledown, location=location.abovebar, color=color.red, size=size.normal)
plotshape(swingLow, title="Swing Low", style=shape.triangleup, location=location.belowbar, color=color.green, size=size.normal)

// Entry signals for swing trades
longSignal = not na(swingLow) and rsi[pivotRight] < rsiOversold
shortSignal = not na(swingHigh) and rsi[pivotRight] > rsiOverbought

plotshape(longSignal, title="Swing Long", style=shape.labelup, location=location.belowbar, color=color.lime, text="LONG", textcolor=color.white, size=size.small)
plotshape(shortSignal, title="Swing Short", style=shape.labeldown, location=location.abovebar, color=color.orange, text="SHORT", textcolor=color.white, size=size.small)

// Alerts
alertcondition(swingHigh, title="New Swing High", message="Swing High detected at {{close}} - Prepare for potential short")
alertcondition(swingLow, title="New Swing Low", message="Swing Low detected at {{close}} - Prepare for potential long")
alertcondition(longSignal, title="Swing Long Signal", message="Swing Long entry: RSI oversold at swing low {{close}}")
alertcondition(shortSignal, title="Swing Short Signal", message="Swing Short entry: RSI overbought at swing high {{close}}")

// Info table
if barstate.islast
    var table infoTable = table.new(position.top_right, 2, 4, bgcolor=color.white, border_width=1)
    table.cell(infoTable, 0, 0, "Last High", text_color=color.black)
    table.cell(infoTable, 1, 0, str.tostring(nz(lastSwingHigh, 0), "#.##"), text_color=color.red)
    table.cell(infoTable, 0, 1, "Last Low", text_color=color.black)
    table.cell(infoTable, 1, 1, str.tostring(nz(lastSwingLow, 0), "#.##"), text_color=color.green)
    table.cell(infoTable, 0, 2, "RSI", text_color=color.black)
    table.cell(infoTable, 1, 2, str.tostring(rsi, "#.0"), text_color=color.blue)
    table.cell(infoTable, 0, 3, "Trend", text_color=color.black)
    table.cell(infoTable, 1, 3, close > ema ? "Bullish" : "Bearish", text_color=close > ema ? color.green : color.red)