/*backtest
start: 2023-01-10 00:00:00
end: 2024-01-16 00:00:00
period: 1d
basePeriod: 1h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=5
strategy("SMA Crossover Strategy", overlay=true)

// Input parameters
fast_length = input(9, title="Fast SMA Length")
slow_length = input(45, title="Slow SMA Length")

// Calculate moving averages
fast_sma = ta.sma(close, fast_length)
slow_sma = ta.sma(close, slow_length)

// Buy condition
buy_condition = ta.crossover(close, fast_sma) and ta.crossover(close, slow_sma)

// Sell condition
sell_condition = ta.crossunder(close, fast_sma) and ta.crossunder(close, slow_sma)

// Calculate stop loss levels
prev_low = request.security(syminfo.tickerid, "1D", low[1], lookahead=barmerge.lookahead_on)
prev_high = request.security(syminfo.tickerid, "1D", high[1], lookahead=barmerge.lookahead_on)

// Plot signals on the chart
plotshape(buy_condition, style=shape.triangleup, location=location.belowbar, color=color.green, size=size.small)
plotshape(sell_condition, style=shape.triangledown, location=location.abovebar, color=color.red, size=size.small)

// Strategy exit conditions
long_stop_loss = sell_condition ? prev_low : na
short_stop_loss = buy_condition ? prev_high : na

strategy.exit("Long Exit", from_entry="Long", when=sell_condition, stop=long_stop_loss)
strategy.exit("Short Exit", from_entry="Short", when=buy_condition, stop=short_stop_loss)

strategy.entry("Long", strategy.long, when=buy_condition)
strategy.entry("Short", strategy.short, when=sell_condition)