//+------------------------------------------------------------------+
//|               Volume_RSI_Arrows_MACD_Combined_with_DailyOpen.mq4 |
//+------------------------------------------------------------------+
#property indicator_chart_window
#property indicator_buffers 7
#property indicator_color1 Lime      // Alış oku (YEŞİL)
#property indicator_color2 Red       // Satış oku (KIRMIZI)
#property indicator_color3 Gold      // RSI çizgisi
#property indicator_color4 Silver    // MACD Histogram
#property indicator_color5 Red       // MACD Signal
#property indicator_color6 White     // Daily Open Line
#property indicator_width1 3
#property indicator_width2 3
#property indicator_width4 2
#property indicator_style6 2
#property indicator_width6 1
extern int bars = 10000;


//---- RSI Ayarları
input int    RSIPeriod = 14;         // RSI Periyodu
double       RSIBuffer[];

//---- Volume Ok Buffers
double BuyArrow[], SellArrow[];

//---- MACD Ayarları
input int    FastEMA = 12;           // Fast EMA Period
input int    SlowEMA = 26;           // Slow EMA Period
input int    SignalSMA = 9;          // Signal SMA Period
double       MacdBuffer[], SignalBuffer[], HistogramBuffer[];

//---- Daily Open Line Settings
double TodayOpenBuffer[];
input int TimeZoneOfData = 0;        // Timezone offset for daily open

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
{
    //---- Volume Okları Ayarları
    SetIndexBuffer(0, BuyArrow);
    SetIndexStyle(0, DRAW_ARROW);
    SetIndexArrow(0, 233);
    
    SetIndexBuffer(1, SellArrow);
    SetIndexStyle(1, DRAW_ARROW);
    SetIndexArrow(1, 234);
    
    //---- RSI Buffer Ayarları
    SetIndexBuffer(2, RSIBuffer);
    SetIndexStyle(2, DRAW_LINE);
    SetIndexLabel(2, "RSI");
    
    //---- MACD Buffer Ayarları
    SetIndexBuffer(3, MacdBuffer);
    SetIndexStyle(3, DRAW_HISTOGRAM);
    SetIndexLabel(3, "MACD");
    
    SetIndexBuffer(4, SignalBuffer);
    SetIndexStyle(4, DRAW_LINE);
    SetIndexLabel(4, "Signal");
    
    SetIndexBuffer(5, HistogramBuffer);
    SetIndexStyle(5, DRAW_NONE); // Görselleştirme için kullanılmıyor
    
    //---- Daily Open Line Buffer
    SetIndexBuffer(6, TodayOpenBuffer);
    SetIndexStyle(6, DRAW_LINE);
    SetIndexLabel(6, "Daily Open");
    
    IndicatorShortName("RSI_MACD_DailyOpen("+IntegerToString(FastEMA)+","+IntegerToString(SlowEMA)+","+IntegerToString(SignalSMA)+")");
    
    return(0);
}

//+------------------------------------------------------------------+
//| Daily Open Calculation Function                                  |
//+------------------------------------------------------------------+
void CalculateDailyOpen()
{
    int counted_bars = IndicatorCounted();
    if (counted_bars > 0) counted_bars--;
    int lastbar = Bars - counted_bars;
    if (lastbar > bars) lastbar = bars;
    int tzdiffsec = TimeZoneOfData * 3600;
    double barsper30 = 1.0*PERIOD_M30/Period();
    lastbar = MathMin(Bars-20*barsper30-1, lastbar);

    for(int shift=lastbar; shift>=0; shift--)
    {
        TodayOpenBuffer[shift] = 0;
        if(TimeDay(Time[shift]-tzdiffsec) != TimeDay(Time[shift+1]-tzdiffsec)) // day change
        {
            TodayOpenBuffer[shift] = Open[shift];
            TodayOpenBuffer[shift+1] = 0; // avoid stairs in the line
        }
        else
        {
            TodayOpenBuffer[shift] = TodayOpenBuffer[shift+1];
        }
    }
}

//+------------------------------------------------------------------+
//| RSI Hesaplama Fonksiyonu                                         |
//+------------------------------------------------------------------+
double CalculateRSI(int shift)
{
    double U, D;
    if(shift > Bars - RSIPeriod) return(50); // Yeterli veri yoksa
    
    U = 0; D = 0;
    for(int i=shift; i<shift+RSIPeriod; i++)
    {
        double diff = Close[i] - Close[i+1];
        if(diff > 0) U += diff;
        else         D += MathAbs(diff);
    }
    
    double RS = (D == 0) ? 100 : U/D;
    return(100 - (100 / (1 + RS)));
}

//+------------------------------------------------------------------+
//| MACD Hesaplama Fonksiyonu                                        |
//+------------------------------------------------------------------+
void CalculateMACD()
{
   int limit = Bars - IndicatorCounted();
    if(limit > Bars-2) limit = Bars-2;
    
    if (limit > bars) limit = bars;

    for(int i = limit; i >= 0; i--)
    {
        MacdBuffer[i] = iMA(NULL, 0, FastEMA, 0, MODE_EMA, PRICE_CLOSE, i) - 
                        iMA(NULL, 0, SlowEMA, 0, MODE_EMA, PRICE_CLOSE, i);
        SignalBuffer[i] = iMAOnArray(MacdBuffer, Bars, SignalSMA, 0, MODE_SMA, i);
        HistogramBuffer[i] = MacdBuffer[i] - SignalBuffer[i];
    }
}

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
{
    int limit = Bars - IndicatorCounted();
    if(limit > Bars-2) limit = Bars-2;
    
    if (limit > bars) limit = bars;
    //---- RSI Hesapla
    for(int i=limit; i>=0; i--)
        RSIBuffer[i] = CalculateRSI(i);
    
    //---- MACD Hesapla
    CalculateMACD();
    
    //---- Daily Open Hesapla
    CalculateDailyOpen();
    
    //---- Sinyal Kontrolleri
    for(i=limit-1; i>=0; i--)
    {
        bool currentGreen = (Close[i] > Close[i+1]);
        bool prevGreen    = (Close[i+1] > Close[i+2]);
        bool currentRed   = (Close[i] < Close[i+1]);
        bool prevRed      = (Close[i+1] < Close[i+2]);
        
        double rsi = RSIBuffer[i];
        double macd = MacdBuffer[i];
        double histogram = HistogramBuffer[i];
        double dailyOpen = TodayOpenBuffer[i];
        
        //---- Alış Sinyali: 2 Yeşil + Hacim Artışı + RSI > 50 + MACD > 0 ve Histogram > Signal + Fiyat > Daily Open
        if(currentGreen && prevGreen && Volume[i] > Volume[i+1] && rsi > 50 && macd > 0 && histogram > 0 && Close[i] > dailyOpen)
        {
            BuyArrow[i] = Low[i] - 500*Point;  // 500 pip aşağı
            SellArrow[i] = EMPTY_VALUE;
        }
        //---- Satış Sinyali: 2 Kırmızı + Hacim Artışı + RSI < 50 + MACD < 0 ve Histogram < Signal + Fiyat < Daily Open
        else if(currentRed && prevRed && Volume[i] > Volume[i+1] && rsi < 50 && macd < 0 && histogram < 0 && Close[i] < dailyOpen)
        {
            SellArrow[i] = High[i] + 500*Point; // 500 pip yukarı
            BuyArrow[i] = EMPTY_VALUE;
        }
        else
        {
            BuyArrow[i] = EMPTY_VALUE;
            SellArrow[i] = EMPTY_VALUE;
        }
    }
    return(0);
}
//+------------------------------------------------------------------+