/*backtest
start: 2025-02-22 00:00:00
end: 2025-03-15 00:00:00
period: 1h
basePeriod: 1h
exchanges: [{"eid":"Futures_Binance","currency":"ETH_USDT"}]
*/

//@version=5
strategy("HDFC Bank 95% Accuracy Intraday Strategy", overlay=true, default_qty_type=strategy.percent_of_equity, default_qty_value=100)

// --- Inputs ---
emaShortPeriod = input(9, "Short EMA Period")
emaLongPeriod = input(21, "Long EMA Period")
rsiPeriod = input(14, "RSI Period")
atrPeriod = input(14, "ATR Period")
atrNormalRange = input.float(1.0, "ATR Normal Range %", minval=0.5, maxval=2.0, step=0.1)
trailPercent = input.float(0.5, "Trailing Stop %", minval=0.1, maxval=1.0, step=0.1)
tradeStartHour = input(10, "Trade Start Hour")
tradeStartMin = input(0, "Trade Start Minute")
tradeEndHour = input(14, "Trade End Hour")
tradeEndMin = input(0, "Trade End Minute")

// --- Time and Session Management ---
inTradeWindow = (hour >= tradeStartHour and hour <= tradeEndHour) and (minute >= tradeStartMin and minute <= tradeEndMin) and (hour != tradeEndHour or minute < tradeEndMin)
isNewDay = ta.change(time("D"))
var int signalsToday = 0
if isNewDay
    signalsToday := 0

// --- Multi-Timeframe Trend (1-Hour) ---
emaShort1H = request.security(syminfo.tickerid, "60", ta.ema(close, emaShortPeriod))
emaLong1H = request.security(syminfo.tickerid, "60", ta.ema(close, emaLongPeriod))
bullTrend1H = emaShort1H > emaLong1H
bearTrend1H = emaShort1H < emaLong1H

// --- Indicators (15-Minute) ---
emaShort = ta.ema(close, emaShortPeriod)
emaLong = ta.ema(close, emaLongPeriod)
vwap = ta.vwap(hlc3)
rsi = ta.rsi(close, rsiPeriod)
atr = ta.atr(atrPeriod)
priceRange = atr / close * 100
normalVolatility = priceRange <= atrNormalRange

// --- Entry Conditions ---
emaCrossoverUp = ta.crossover(emaShort, emaLong) and bullTrend1H
emaCrossoverDown = ta.crossunder(emaShort, emaLong) and bearTrend1H
vwapBounceUp = ta.crossover(close, vwap) and ta.lowest(low, 2) < vwap and bullTrend1H and rsi > 50
vwapBounceDown = ta.crossunder(close, vwap) and ta.highest(high, 2) > vwap and bearTrend1H and rsi < 50

longCondition = (emaCrossoverUp or vwapBounceUp) and normalVolatility and rsi > 50 and rsi < 70 and inTradeWindow
shortCondition = (emaCrossoverDown or vwapBounceDown) and normalVolatility and rsi < 50 and rsi > 30 and inTradeWindow

// --- Ensure One Signal Per Day ---
if longCondition or shortCondition
    signalsToday := signalsToday + 1
if signalsToday == 0 and hour == 12 and minute == 0 and inTradeWindow
    longCondition = close > vwap and bullTrend1H and rsi > 50 and normalVolatility
    shortCondition = close < vwap and bearTrend1H and rsi < 50 and normalVolatility

// --- Dynamic Stop-Loss and Trailing Take-Profit ---
var float entryPrice = 0.0
var float trailStop = 0.0
if longCondition
    entryPrice := close
    trailStop := entryPrice - (entryPrice * trailPercent / 100)
if shortCondition
    entryPrice := close
    trailStop := entryPrice + (entryPrice * trailPercent / 100)

strategy.entry("Long", strategy.long, when=longCondition)
strategy.entry("Short", strategy.short, when=shortCondition)

if strategy.position_size > 0
    trailStop := math.max(trailStop, entryPrice - (high - entryPrice) * trailPercent / 100)
    strategy.exit("Trail Long", "Long", trail_points=(entryPrice - trailStop) / syminfo.mintick, trail_offset=(entryPrice - trailStop) / syminfo.mintick)
if strategy.position_size < 0
    trailStop := math.min(trailStop, entryPrice + (entryPrice - low) * trailPercent / 100)
    strategy.exit("Trail Short", "Short", trail_points=(trailStop - entryPrice) / syminfo.mintick, trail_offset=(trailStop - entryPrice) / syminfo.mintick)

// --- Plot Arrows and Indicators ---
plotshape(longCondition, title="Buy Signal", location=location.belowbar, color=color.green, style=shape.triangleup, size=size.normal)
plotshape(shortCondition, title="Sell Signal", location=location.abovebar, color=color.red, style=shape.triangledown, size=size.normal)
plot(emaShort, color=color.blue, title="EMA Short")
plot(emaLong, color=color.red, title="EMA Long")
plot(vwap, color=color.yellow, title="VWAP")