Xsodus CDC ActionZone V3

// SPDX-License-Identifier: MIT
// © xsodus
// Added Labels and alert conditions and other quality of life feature

// This script was implemented based on CDC ActionZone indicator (by Piriya)
// The concept is to send a buy signal if fast EMA crosses over slow EMA and send a sell signal when the slow EMA crosses over fast EMA.
// In which, we call trend following strategy. 

//@version=5
strategy('Xsodus CDC ActionZone V3', overlay=true)

sourceData = input(title='Source Data', defval=close)
smoothPeriod = input(title='Smoothing period (1 = no smoothing)', defval=1)
startDate = input.time(title='Start Date', defval=timestamp('2018-01-01T00:00+07:00'))
endDate = input.time(title='End Date', defval=timestamp('9999-01-01T00:00+07:00'))

fastEMAInput = input(title='Fast EMA period', defval=12)
slowEMAInput = input(title='Slow EMA period', defval=26)

isLongStrategy = input(title='Long Position Strategy', defval=true)
enableStopLoss = input(title='Enable stop loss', defval=true)
enableTrailingStop = input(title='Enable trailing stop', defval=false)
stopLossPercentage = input.float(title='Stop loss %', defval=20) * 0.01


xPrice = ta.ema(sourceData, smoothPeriod)

emaFast = ta.ema(sourceData, fastEMAInput)
emaSlow = ta.ema(sourceData, slowEMAInput)

lastPrice = sourceData[1]

var isOrdered = false
// Calculate stop loss price condition.
var positionStopPrice = 0.0

long = emaFast > emaSlow
short = emaFast < emaSlow

// price bar colors
Green = long and xPrice > emaFast  // Buy
Blue = short and xPrice > emaFast and xPrice > emaSlow  //Pre Buy 2
LBlue = short and xPrice > emaFast and xPrice < emaSlow  //Pre Buy 1

Red = short and xPrice < emaFast  // Sell
Orange = long and xPrice < emaFast and xPrice < emaSlow  // Pre Sell 2
Yellow = long and xPrice < emaFast and xPrice > emaSlow  // Pre Sell 1


// Buy if the fast EMA is higer than slow EMA and current histrogram MACD is higer than 0
buy = long
sell = short

bColor = Green ? color.green : Blue ? color.blue : LBlue ? color.aqua : Red ? color.red : Orange ? color.orange : Yellow ? color.yellow : color.black
barcolor(bColor)

//****************************************************************************//
// Display MA lines

FastL = plot(emaFast, 'Fast EMA', color=color.new(color.red, 0))
SlowL = plot(emaSlow, 'Slow EMA', color=color.new(color.blue, 0))
fillcolor = long ? color.green : short ? color.red : color.black
fill(FastL, SlowL, fillcolor, transp=90)


plot(emaFast, title='Fast EMA', color=color.new(color.green, 0), linewidth=3)
plot(emaSlow, title='Slow EMA', color=color.new(color.red, 0), linewidth=3)



strategyName = isLongStrategy ? 'Long' : 'Short'
shouldOpenPosition = isLongStrategy ? buy : sell
shouldClosePosition = not shouldOpenPosition
mainStrategy = isLongStrategy ? strategy.long : strategy.short
hasClosePos = false
hasExitPos = false

// Update open position status
if time > startDate and time < endDate and isOrdered == false and strategy.position_size == 0
    isOrdered := shouldOpenPosition
    if isLongStrategy
        strategy.order(strategyName, strategy.long, when=shouldOpenPosition)
    else
        strategy.order(strategyName, strategy.short, when=shouldOpenPosition)


// Update stop loss status
if strategy.opentrades > 0 and enableStopLoss
    if enableTrailingStop and strategy.position_avg_price < lastPrice
        if isLongStrategy
            positionStopPrice := lastPrice * (1 - stopLossPercentage)
            positionStopPrice
        else
            positionStopPrice := lastPrice * (1 + stopLossPercentage)
            positionStopPrice
    if not enableTrailingStop
        if isLongStrategy
            positionStopPrice := strategy.position_avg_price * (1 - stopLossPercentage)
            positionStopPrice
        else
            positionStopPrice := strategy.position_avg_price * (1 + stopLossPercentage)
            positionStopPrice

if strategy.opentrades > 0 and enableStopLoss and positionStopPrice > 0.0
    hasExitPos = true
    strategy.exit(strategyName, stop=positionStopPrice)

// Update close position status
if strategy.opentrades > 0
    hasClosePos = true
    strategy.close(strategyName, when=shouldClosePosition)

// Reset flag for opening a new order
if strategy.opentrades == 0 and shouldClosePosition
    isOrdered := false
    positionStopPrice := 0.0
    positionStopPrice

// Debug in data window
plotchar(sourceData[0], 'Current Price', '', location=location.top)
plotchar(lastPrice, 'Last Bar Price', '', location=location.top)
plotchar(positionStopPrice, 'Current Stop Loss Price', '', location=location.top)

plotchar(buy, 'buy', '', location=location.top)
plotchar(sell, 'sell', '', location=location.top)
plotchar(shouldOpenPosition, 'Should open position', '', location=location.top)
plotchar(shouldClosePosition, 'Should close position', '', location=location.top)
plotchar(isOrdered, 'isOrdered', '', location=location.top)

plotchar(hasClosePos, 'hasClosePos', '', location=location.top)
plotchar(hasExitPos, 'hasExitPos', '', location=location.top)
plotchar(strategy.opentrades, 'position count', '', location=location.top)