Ema+rsi tp sl

//version=5
indicator("BTC EMA20/50 + RSI + TP/SL", overlay=true)

// === INPUTS ===
emaFastLen = input.int(20, title="EMA Fast (20)")
emaSlowLen = input.int(50, title="EMA Slow (50)")
rsiLen = input.int(14, title="RSI Period")
rsiSrc = input.source(close, title="RSI Source")
tpPercent = input.float(2.0, title="Take Profit (%)", minval=0.1)
slPercent = input.float(1.0, title="Stop Loss (%)", minval=0.1)

// === INDICATOR CALC ===
emaFast = ta.ema(close, emaFastLen)
emaSlow = ta.ema(close, emaSlowLen)
rsi = ta.rsi(rsiSrc, rsiLen)

// === SIGNAL CONDITIONS ===
buySignal = ta.crossover(rsi, 50) and emaFast > emaSlow and close > emaFast
sellSignal = ta.crossunder(rsi, 50) and emaFast < emaSlow and close < emaFast

// === TP & SL LEVELS ===
var float buyEntry = na
var float sellEntry = na
var float buyTP = na
var float sellTP = na
var float buySL = na
var float sellSL = na

if (buySignal)
buyEntry := close
buyTP := buyEntry * (1 + tpPercent / 100)
buySL := buyEntry * (1 - slPercent / 100)

if (sellSignal)
sellEntry := close
sellTP := sellEntry * (1 - tpPercent / 100)
sellSL := sellEntry * (1 + slPercent / 100)

// === PLOT SIGNALS ===
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")

// === PLOT TP/SL LINES ===
plot(buyTP, title="Buy TP", color=color.green, linewidth=1, style=plot.style_linebr, offset=0)
plot(buySL, title="Buy SL", color=color.red, linewidth=1, style=plot.style_linebr, offset=0)
plot(sellTP, title="Sell TP", color=color.green, linewidth=1, style=plot.style_linebr, offset=0)
plot(sellSL, title="Sell SL", color=color.red, linewidth=1, style=plot.style_linebr, offset=0)

// === ALERTS ===
alertcondition(buySignal, title="Buy Signal", message="BUY: EMA20>EMA50 and RSI>50")
alertcondition(sellSignal, title="Sell Signal", message="SELL: EMA20<EMA50 and RSI<50")