Combined EMA Strat

//@version=5
strategy("POPCAT EMA Crossover Strategy", overlay=true, calc_on_every_tick=true)

// Input for stop loss and take profit percentages
stopLossPercentage = input.float(3, "Stop Loss Percentage") * 0.01
takeProfitPercentage = input.float(3, "Take Profit Percentage") * 0.01

// EMA settings
emaFastPeriod = 12
emaSlowPeriod = 21
emaFast = ta.ema(close, emaFastPeriod)
emaSlow = ta.ema(close, emaSlowPeriod)

// Entry amount input
entryAmount = input.float(10, title="Entry Amount", minval=10)

// Variables for stop loss and take profit lines
var line stopLossLine = na
var line takeProfitLine = na

// Reset lines if no position
if strategy.position_size == 0
    stopLossLine := na
    takeProfitLine := na
else
    stopLossLine.set_x2(bar_index)
    takeProfitLine.set_x2(bar_index)

// Buy condition
if ta.crossover(emaFast, emaSlow) and strategy.position_size <= 0
    stopLoss = close * (1 - stopLossPercentage)
    takeProfit = close * (1 + takeProfitPercentage)
    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, qty=entryAmount)
    strategy.exit("SL / TP", "Long", stop=stopLoss, limit=takeProfit)

// Sell condition
if ta.crossunder(emaFast, emaSlow) and strategy.position_size >= 0
    stopLoss = close * (1 + stopLossPercentage)
    takeProfit = close * (1 - takeProfitPercentage)
    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, qty=entryAmount)
    strategy.exit("SL / TP", "Short", stop=stopLoss, limit=takeProfit)

// Plot EMAs on chart
bandColor = emaFast > emaSlow ? color.green : color.red
plotFast = plot(emaFast, color=bandColor, linewidth=1, title="EMA 12")
plotSlow = plot(emaSlow, color=bandColor, linewidth=3, title="EMA 21")

// Fill the area between the EMAs with 25% opacity
fill(plotFast, plotSlow, color=emaFast > emaSlow ? color.new(color.green, 75) : color.new(color.red, 75))