Improved GG strat

//@version=5
strategy("GG", overlay=true)

smalengt50 = 50
emalengt12 = 12
emalengt21 = 21

sma50 = ta.sma(close, 50)
ema12 = ta.ema(close, 12)
ema21 = ta.ema(close, 21)

// 1. Adding logic to manually reset or extend the lines based on if we are in a position or not.

longcondition = ta.crossover(ema12, ema21)
shortcondition = ta.crossunder(ema12, ema21)

// Declare variables
var line stopLossLine = na
var line takeProfitLine = na
var float stopLoss = na
var float takeProfit = na

if strategy.position_size == 0
    stopLossLine := na
    takeProfitLine := na
else
    stopLossLine.set_x2(bar_index)
    takeProfitLine.set_x2(bar_index)

// Check long condition and set stop loss and take profit
if longcondition and strategy.position_size == 0
    stopLoss = close * (1 - 0.03)
    takeProfit = close * (1 + 0.03)

// Draw the start of the lines when we enter a position
stopLossLine := line.new(bar_index, stopLoss, bar_index, stopLoss, color=color.red)
takeProfitLine := line.new(bar_index, takeProfit, bar_index, takeProfit, color=color.green)

// 2. Draw the start of the lines when we enter a position.

stopLossLine := line.new(bar_index, stopLoss, bar_index, stopLoss, color=color.red)
takeProfitLine := line.new(bar_index, takeProfit, bar_index, takeProfit, color=color.green) //

strategy.entry("Long", strategy.long, stop=stopLoss, limit=takeProfit)
strategy.exit("SL/TP", "Long", stop=stopLoss, limit=takeProfit)

if shortcondition and strategy.position_size == 0
    stopLoss = close * (1 + 0.03)
    takeProfit = close * (1 - 0.03)

// 3. Draw the start of the lines when we enter a position.

stopLossLine := line.new(bar_index, stopLoss, bar_index, stopLoss, color=color.red)
takeProfitLine := line.new(bar_index, takeProfit, bar_index, takeProfit, color=color.green)

strategy.entry("Short", strategy.short, stop=stopLoss, limit=takeProfit)
strategy.exit("SL/TP", "Short", stop=stopLoss, limit=takeProfit)


bandColor50 = sma50 < sma50[1] ? #ffa73c : color.rgb(33, 184, 243)
bandColor = ema12 > ema21 ? color.green : color.red
plot(ema12, color=bandColor)
plot(ema21, color=bandColor)
plot(sma50, color=bandColor50)