MSJ EMA

//version=5
indicator("Failure Traders EMA 20 & 200", overlay=true)

// ===== INPUTS =====
fastLength = input.int(20, "Fast EMA (20)")
slowLength = input.int(200, "Slow EMA (200)")

// ===== EMA CALCULATION =====
emaFast = ta.ema(close, fastLength)
emaSlow = ta.ema(close, slowLength)

// ===== PLOT EMAs =====
plot(emaFast, color=color.yellow, linewidth=2, title="EMA 20")
plot(emaSlow, color=color.blue, linewidth=2, title="EMA 200")

// ===== SIGNAL CONDITIONS =====
buySignal = ta.crossover(emaFast, emaSlow)
sellSignal = ta.crossunder(emaFast, emaSlow)

// ===== SIGNAL LABELS =====
plotshape(buySignal, title="BUY", location=location.belowbar,
color=color.green, style=shape.labelup, text="BUY")

plotshape(sellSignal, title="SELL", location=location.abovebar,
color=color.red, style=shape.labeldown, text="SELL")

// ===== ALERT CONDITIONS =====
alertcondition(buySignal, title="BUY Alert", message="EMA 20 crossed above EMA 200")
alertcondition(sellSignal, title="SELL Alert", message="EMA 20 crossed below EMA 200")