Bollinger Bands, RSI, and MA Strategy

//@version=5
strategy("Bollinger Bands, RSI, and MA Strategy", overlay=true)
// Define input variables
b_len = input(20, title="BB Length")
bb_mult = input(2.0, title="BB Standard Deviation")
bb_deviation1 = input(1.0, title="BB Deviation 1")
rsi_len = input(14, title="RSI Length")
overbought = input(70, title="Overbought RSI Level")
oversold = input(30, title="Oversold RSI Level")
ma_len = input(50, title="MA Length")
stop_loss_percent = input(1.0, title="Stop Loss Percentage")
source = input(close, title="Source")
// Calculate Bollinger Bands
bb_upper = ta.sma(source, b_len) + bb_mult * ta.stdev(source, b_len)
bb_lower = ta.sma(source, b_len) - bb_mult * ta.stdev(source, b_len)
bb_upper1 = ta.sma(source, b_len) + bb_deviation1 * ta.stdev(source, b_len)
bb_lower1 = ta.sma(source, b_len) - bb_deviation1 * ta.stdev(source, b_len)
// Calculate RSI
rsi = ta.rsi(source, rsi_len)
// Calculate Moving Average
ma = ta.sma(source, ma_len)
// Determine if Bollinger Bands are contracting
bb_contracting = ta.stdev(source, b_len) < ta.stdev(source, b_len)[1]
// Entry conditions
enterLong = rsi > overbought and not bb_contracting
enterShort = rsi < oversold and not bb_contracting
// Exit conditions
exitLong = close < ma
exitShort = close > ma
// Exit trades and generate alerts
if strategy.position_size > 0 and exitLong
    strategy.close("Long") // Exit the long trade
    alert("Long Exit", alert.freq_once_per_bar_close)
if strategy.position_size < 0 and exitShort
    strategy.close("Short") // Exit the short trade
    alert("Short Exit", alert.freq_once_per_bar_close)
// Strategy orders
if enterLong
    strategy.entry("Long", strategy.long)
if enterShort
    strategy.entry("Short", strategy.short)
if exitLong
    strategy.close("Long")
if exitShort
    strategy.close("Short")
// Plotting Bollinger Bands
plot(bb_upper, color=color.blue, title="BB Upper 2")
plot(bb_lower, color=color.blue, title="BB Lower 2")
plot(bb_upper1, color=color.red, title="BB Upper 1")
plot(bb_lower1, color=color.red, title="BB Lower 1")
// Plotting RSI
plot(rsi, color=color.orange, title="RSI")
// Plotting Moving Average
plot(ma, color=color.green, title="Moving Average")
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