Get Rsi indicator buy and sell signals Code That Actually Works

//@version=5
indicator("RSI Buy and Sell Signals", shorttitle="RSI Signals", overlay=false)

// Input parameters for customization
rsiLength = input.int(14, title="RSI Length", minval=1)
overbought = input.int(70, title="Overbought Level", minval=50, maxval=100)
oversold = input.int(30, title="Oversold Level", minval=0, maxval=50)
source = input.source(close, title="RSI Source")
showLevels = input.bool(true, title="Show OB/OS Levels")
showMiddle = input.bool(true, title="Show Middle Line (50)")

// Calculate RSI
rsiValue = ta.rsi(source, rsiLength)

// Define buy and sell conditions
// Buy signal: RSI crosses above oversold level
buyCondition = ta.crossover(rsiValue, oversold)
// Sell signal: RSI crosses below overbought level
sellCondition = ta.crossunder(rsiValue, overbought)

// Plot RSI line
plot(rsiValue, title="RSI", color=color.new(color.blue, 0), linewidth=2)

// Plot horizontal levels
plot(showLevels ? overbought : na, title="Overbought", color=color.new(color.red, 0), linewidth=1)
plot(showLevels ? oversold : na, title="Oversold", color=color.new(color.green, 0), linewidth=1)
plot(showMiddle ? 50 : na, title="Middle Line", color=color.new(color.gray, 50), linewidth=1)

// Fill background between OB and OS for visual clarity
fill(plot(overbought), plot(oversold), color=color.new(color.purple, 95), title="OB/OS Zone")

// Plot buy and sell signals as shapes
plotshape(series=buyCondition, title="Buy Signal", style=shape.labelup, location=location.bottom, color=color.new(color.green, 0), textcolor=color.white, text="BUY", size=size.small)
plotshape(series=sellCondition, title="Sell Signal", style=shape.labeldown, location=location.top, color=color.new(color.red, 0), textcolor=color.white, text="SELL", size=size.small)

// Background color for strong signals (optional visual alert)
bgcolor(buyCondition ? color.new(color.green, 90) : na, title="Buy BG")
bgcolor(sellCondition ? color.new(color.red, 90) : na, title="Sell BG")

// Alert conditions for TradingView notifications
alertcondition(buyCondition, title="RSI Buy Alert", message="RSI Buy Signal: RSI crossed above {{plot_0}} (Oversold)")
alertcondition(sellCondition, title="RSI Sell Alert", message="RSI Sell Signal: RSI crossed below {{plot_1}} (Overbought)")
alertcondition(buyCondition or sellCondition, title="RSI Any Signal", message="RSI Signal Triggered: Check chart for BUY or SELL")

// Table for current RSI value (informational)
var table infoTable = table.new(position.top_right, 2, 2, bgcolor=color.white, border_width=1)
if barstate.islast
    table.cell(infoTable, 0, 0, "RSI", text_color=color.black, bgcolor=color.gray)
    table.cell(infoTable, 1, 0, str.tostring(math.round(rsiValue, 2)), text_color=color.black)
    table.cell(infoTable, 0, 1, "Status", text_color=color.black, bgcolor=color.gray)
    table.cell(infoTable, 1, 1, rsiValue > overbought ? "Overbought" : rsiValue < oversold ? "Oversold" : "Neutral", text_color=color.black)