MA Cross Alert

#property version       "1.041"
#property strict

#property description   "A classic moving average with alerts."
#property description   " "
#property description   "WARNING: Use this software at your own risk."
#property description   "The creator of these plugins cannot be held responsible for any damage or loss."
#property description   " "
#property description   "Find More on www.tradesmartfxtools.in"

#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 clrRed

#include <MQLTA ErrorHandling.mqh>
#include <MQLTA Utils.mqh>

enum ENUM_TRADE_SIGNAL
{
    SIGNAL_BUY = 1,    // BUY
    SIGNAL_SELL = -1,  // SELL
    SIGNAL_NEUTRAL = 0 // NEUTRAL
};

enum ENUM_CANDLE_TO_CHECK
{
    CURRENT_CANDLE = 0, // CURRENT CANDLE
    CLOSED_CANDLE = 1   // PREVIOUS CANDLE
};

enum ENUM_MA_METHOD_EXTENDED
{
    EXT_MODE_SMA,  // Simple averaging
    EXT_MODE_EMA,  // Exponential averaging
    EXT_MODE_SMMA, // Smoothed averaging
    EXT_MODE_LWMA, // Linear-weighted averaging
    EXT_MODE_HULL  // Hull MA
};

input string Comment1 = "========================"; // MQLTA Moving Average With Alert
input string IndicatorName = "MA Cross Alert";          // Indicator Short Name
input string Comment2 = "========================"; // Indicator Parameters
input int MAPeriod = 25;                            // Moving Average Period
input int MAShift = 0;                              // Moving Average Shift
input ENUM_MA_METHOD_EXTENDED MAMethod = EXT_MODE_SMA; // Moving Average Method
input ENUM_APPLIED_PRICE MAAppliedPrice = PRICE_CLOSE; // Moving Average Applied Price
input ENUM_CANDLE_TO_CHECK CandleToCheck = CURRENT_CANDLE; // Candle To Use For Analysis
input bool IgnoreSameCandleCrosses = false;         // Ignore Same Candle Crosses
input int BarsToScan = 500;                         // Number Of Candles To Analyse
input string Comment_3 = "======================="; //************* Options
input bool EnableNotify = false;                    // Enable*************s Feature
input bool SendAlert = true;                        // Send Alert*************
input bool SendApp = false;                         // Send************* to Mobile
input bool SendEmail = false;                       // Send************* via Email
input string Comment_4 = "======================="; // Drawing Options
input bool EnableDrawArrows = true;                 // Draw Signal Arrows
input int ArrowBuy = 241;                           // Buy Arrow Code
input int ArrowSell = 242;                          // Sell Arrow Code
input color ArrowBuyColor = clrGreen;               // Buy Arrow Color
input color ArrowSellColor = clrRed;                // Sell Arrow Color
input int ArrowSize = 3;                            // Arrow Size (1-5)

double BufferMA[];

datetime LastNotificationTime;
ENUM_TRADE_SIGNAL LastNotificationDirection;
double MALevel = 0; // For horizontal line cross signals.
int Shift = 0;

int OnInit()
{
      // код доступен только после оплаты
   }

int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[])
{
      // код доступен только после оплаты
   }

void OnDeinit(const int reason)
{
    CleanChart();
}

void OnInitInitialization()
{
    LastNotificationTime = TimeCurrent();
    Shift = CandleToCheck;
}

bool OnInitPreChecksPass()
{
    if (MAPeriod <= 0)
    {
        Print("MA Period should be a positive number.");
        return false;
    }
    return true;
}

void CleanChart()
{
    ObjectsDeleteAll(ChartID(), IndicatorName);
}

void InitialiseBuffers()
{
    IndicatorDigits(Digits);
    SetIndexStyle(0, DRAW_LINE);
    SetIndexBuffer(0, BufferMA);
    SetIndexShift(0, 0);
    SetIndexLabel(0

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