BTC 1–5 min Scalping Signals

//@version=5
indicator("BTC 1–5 min Scalping Signals 😍🅰️🅱️", overlay=true)

// =======================================================
// 🔔 BTC 1–5 Min Scalping Strategy (Pine Script v5)
// 📈 Developed for short-term crypto scalping (1–5 min)
// 🧠 Logic: EMA crossover + RSI + MACD + Candle direction
// 🛑 DISCLAIMER:
// This script is for educational purposes only.
// It is not financial advice. Use at your own risk.
// =======================================================

// === Inputs
emaFastLen = input.int(5, title="Fast EMA")
emaSlowLen = input.int(13, title="Slow EMA")
rsiLen     = input.int(7, title="RSI Length")
rsiBuy     = input.int(50, title="RSI Buy Threshold")
rsiSell    = input.int(50, title="RSI Sell Threshold")
macdFast   = input.int(8, title="MACD Fast")
macdSlow   = input.int(21, title="MACD Slow")
macdSig    = input.int(5, title="MACD Signal")

// === Indicators
price = close
emaFast = ta.ema(price, emaFastLen)
emaSlow = ta.ema(price, emaSlowLen)
rsi = ta.rsi(price, rsiLen)
[macdLine, signalLine, _] = ta.macd(price, macdFast, macdSlow, macdSig)

// === Conditions
longCond = ta.crossover(emaFast, emaSlow) and rsi > rsiBuy and macdLine > signalLine and close > open
shortCond = ta.crossunder(emaFast, emaSlow) and rsi < rsiSell and macdLine < signalLine and close < open

// === Plotting EMAs
plot(emaFast, color=color.orange, title="EMA Fast")
plot(emaSlow, color=color.blue, title="EMA Slow")

// === Plotting Signals
plotshape(longCond, title="Buy Signal", location=location.belowbar, style=shape.triangleup, size=size.small, color=color.green)
plotshape(shortCond, title="Sell Signal", location=location.abovebar, style=shape.triangledown, size=size.small, color=color.red)

// === Alerts
alertcondition(longCond, title="Buy Alert", message="🟢 BUY Signal (BTC 1-min)")
alertcondition(shortCond, title="Sell Alert", message="🔴 SELL Signal (BTC 1-min)")

// === Draw Labels Once Per Signal (Avoid Clutter)
var label lastLong = na
var label lastShort = na

if (longCond)
    lastLong := label.new(bar_index, low, text="BUY 📈", style=label.style_label_up, color=color.green, textcolor=color.white)

if (shortCond)
    lastShort := label.new(bar_index, high, text="SELL 📉", style=label.style_label_down, color=color.red, textcolor=color.white)