RSI Oversold Recovery

//@version=5
indicator("RSI Oversold Recovery", overlay=true)

// Input Parameters
rsiLen = input.int(14, "RSI Length", minval=1)
maLen = input.int(9, "MA Length", minval=1)
oversold = input.float(30, "Oversold Level", 0, 100)
overbought = input.float(70, "Overbought Level", 0, 100)
showLabels = input.bool(true, "Show Labels")

// Calculations
price = (high + low + close + open) / 4
rsi = ta.rsi(price, rsiLen)
rsiMA = ta.sma(rsi, maLen)

// State Management
var bool inOversoldTracking = false
var bool firstCrossDetected = false
var int daysInOversold = 0

// Condition Detection
isOversold = rsi < oversold
rsiCrossesMA = ta.crossover(rsi, rsiMA)

// State Logic
if isOversold and not inOversoldTracking
    inOversoldTracking := true
    firstCrossDetected := false
    daysInOversold := 1
else if inOversoldTracking
    if isOversold
        daysInOversold += 1
    
    if rsi >= oversold and not firstCrossDetected
        inOversoldTracking := false
        daysInOversold := 0
    else if rsiCrossesMA and not firstCrossDetected
        firstCrossDetected := true
    else if isOversold and firstCrossDetected and rsiCrossesMA
        // Buy Signal Condition
        label.new(bar_index, low, "BUY\n" + str.tostring(rsi, "#.##"), 
             color=color.green, style=label.style_label_up, textcolor=color.white)
        inOversoldTracking := false
        daysInOversold := 0

// Visual Elements
if showLabels
    if inOversoldTracking and not firstCrossDetected
        label.new(bar_index, high, "WATCH\nRSI: " + str.tostring(rsi, "#.##"), 
             color=color.yellow, style=label.style_label_down)
    if firstCrossDetected and inOversoldTracking
        label.new(bar_index, high, "ALERT\nRSI: " + str.tostring(rsi, "#.##"), 
             color=color.orange, style=label.style_label_down)

// Plots
plotRSI = plot(ta.sma(close, 1), "Price", color=color.new(color.blue, 70))
plotMA = plot(ta.sma(close, 20), "MA", color=color.new(color.red, 70))
fill(plotRSI, plotMA, color=color.new(color.gray, 90))

// Alerts
alertcondition(inOversoldTracking and not firstCrossDetected, "Watch Mode", "Stock entered oversold territory")
alertcondition(firstCrossDetected and inOversoldTracking, "Alert Mode", "First RSI-MA cross detected")
alertcondition(isOversold and firstCrossDetected and rsiCrossesMA, "Buy Signal", "Buy condition met")