Get Sma trading Code That Actually Works

//@version=5
indicator("SMA Trading Signals", shorttitle="SMA Signals", overlay=true)

// Input parameters for customization
fastLength = input.int(9, title="Fast SMA Length", minval=1)
slowLength = input.int(21, title="Slow SMA Length", minval=1)
source = input.source(close, title="Source")
useVolumeFilter = input.bool(true, title="Use Volume Filter")
volumeThreshold = input.float(1.5, title="Volume Threshold Multiplier", minval=0.1)

// Calculate SMAs
fastSMA = ta.sma(source, fastLength)
slowSMA = ta.sma(source, slowLength)

// Volume condition for stronger signals
avgVolume = ta.sma(volume, 20)
highVolume = not useVolumeFilter or volume > avgVolume * volumeThreshold

// Crossover conditions
bullCross = ta.crossover(fastSMA, slowSMA) and highVolume
bearCross = ta.crossunder(fastSMA, slowSMA) and highVolume

// Plot SMAs
plot(fastSMA, color=color.blue, linewidth=2, title="Fast SMA")
plot(slowSMA, color=color.orange, linewidth=2, title="Slow SMA")

// Plot signals
plotshape(series=bullCross, title="Bullish Signal", style=shape.triangleup, location=location.belowbar, color=color.green, size=size.normal)
plotshape(series=bearCross, title="Bearish Signal", style=shape.triangledown, location=location.abovebar, color=color.red, size=size.normal)

// Background color for trend
bgcolor(fastSMA > slowSMA ? color.new(color.green, 95) : color.new(color.red, 95), title="Trend Background")

// Alerts
alertcondition(bullCross, title="Bullish SMA Crossover", message="{{ticker}} Bullish SMA Crossover on {{interval}} - Fast SMA crossed above Slow SMA with volume confirmation")
alertcondition(bearCross, title="Bearish SMA Crossover", message="{{ticker}} Bearish SMA Crossover on {{interval}} - Fast SMA crossed below Slow SMA with volume confirmation")

// Table for info (optional display)
if barstate.islast
    var table infoTable = table.new(position.top_right, 2, 3, bgcolor=color.white, border_width=1)
    table.cell(infoTable, 0, 0, "Fast SMA", text_color=color.blue)
    table.cell(infoTable, 1, 0, str.tostring(fastSMA, "#.##"), text_color=color.blue)
    table.cell(infoTable, 0, 1, "Slow SMA", text_color=color.orange)
    table.cell(infoTable, 1, 1, str.tostring(slowSMA, "#.##"), text_color=color.orange)
    table.cell(infoTable, 0, 2, "Trend", text_color=color.black)
    table.cell(infoTable, 1, 2, fastSMA > slowSMA ? "Bullish" : "Bearish", text_color=fastSMA > slowSMA ? color.green : color.red)