//+------------------------------------------------------------------+
//|                                                         TimeFilter.mqh |
//|                                    Universal Buffer Reader EA v2.0 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025"
#property link      ""
#property version   "1.00"
#property strict

//+------------------------------------------------------------------+
//| CTimeFilter - Validates day of week and trading session filters   |
//+------------------------------------------------------------------+
class CTimeFilter
{
private:
    bool                m_enabled;
    bool                m_days_enabled[7];  // 0=Sunday, 1=Monday, ..., 6=Saturday
    bool                m_asian_enabled;
    bool                m_europe_enabled;
    bool                m_america_enabled;

    // Logging
    bool                m_enable_debug;

public:
    //+------------------------------------------------------------------+
    //| Constructor                                                      |
    //+------------------------------------------------------------------+
    CTimeFilter()
    {
        m_enabled = false;
        m_enable_debug = false;

        // Default: Mon-Fri enabled
        for(int i = 0; i < 7; i++)
        {
            m_days_enabled[i] = (i >= 1 && i <= 5);
        }

        m_asian_enabled = true;
        m_europe_enabled = true;
        m_america_enabled = true;
    }

    //+------------------------------------------------------------------+
    //| Destructor                                                       |
    //+------------------------------------------------------------------+
    ~CTimeFilter()
    {
    }

    //+------------------------------------------------------------------+
    //| Set parameters                                                   |
    //+------------------------------------------------------------------+
    void SetParameters(
        bool enabled,
        bool mon, bool tue, bool wed, bool thu, bool fri, bool sat, bool sun,
        bool asian, bool europe, bool america,
        bool enable_debug = false
    )
    {
        m_enabled = enabled;
        m_days_enabled[1] = mon;  // Monday
        m_days_enabled[2] = tue;  // Tuesday
        m_days_enabled[3] = wed;  // Wednesday
        m_days_enabled[4] = thu;  // Thursday
        m_days_enabled[5] = fri;  // Friday
        m_days_enabled[6] = sat;  // Saturday
        m_days_enabled[0] = sun;  // Sunday

        m_asian_enabled = asian;
        m_europe_enabled = europe;
        m_america_enabled = america;
        m_enable_debug = enable_debug;

        if(m_enable_debug)
        {
            Print("[TimeFilter] Parameters set - Enabled: ", m_enabled);
            Print("[TimeFilter] Days: Mon=", mon, " Tue=", tue, " Wed=", wed,
                  " Thu=", thu, " Fri=", fri, " Sat=", sat, " Sun=", sun);
            Print("[TimeFilter] Sessions: Asian=", asian, " Europe=", europe, " America=", america);
        }
    }

    //+------------------------------------------------------------------+
    //| Set debug mode                                                   |
    //+------------------------------------------------------------------+
    void SetDebugMode(bool enable_debug)
    {
        m_enable_debug = enable_debug;
    }

    //+------------------------------------------------------------------+
    //| Check if current time is allowed for trading                    |
    //+------------------------------------------------------------------+
    bool IsTimeAllowed()
    {
        if(!m_enabled)
        {
            if(m_enable_debug)
            {
                Print("[TimeFilter] Time filtering disabled - Trading allowed");
            }
            return true;
        }

        bool day_allowed = IsDayOfWeekAllowed();
        bool session_allowed = IsSessionTimeAllowed();

        bool result = (day_allowed && session_allowed);

        if(m_enable_debug)
        {
            Print("[TimeFilter] Time check - Day allowed: ", day_allowed,
                  ", Session allowed: ", session_allowed,
                  ", Result: ", (result ? "ALLOWED" : "BLOCKED"));
        }

        return result;
    }

    //+------------------------------------------------------------------+
    //| Get current day of week name                                    |
    //+------------------------------------------------------------------+
    string GetCurrentDayOfWeek()
    {
        MqlDateTime dt;
        TimeToStruct(TimeGMT(), dt);

        string day_names[] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
        return day_names[dt.day_of_week];
    }

    //+------------------------------------------------------------------+
    //| Get current session name                                        |
    //+------------------------------------------------------------------+
    string GetCurrentSession()
    {
        MqlDateTime dt;
        TimeToStruct(TimeGMT(), dt);
        int hour = dt.hour;

        if(IsAsianSession(hour)) return "Asian";
        if(IsEuropeSession(hour)) return "Europe";
        if(IsAmericaSession(hour)) return "America";

        return "Off-hours";
    }

    //+------------------------------------------------------------------+
    //| Get current GMT time as string                                  |
    //+------------------------------------------------------------------+
    string GetCurrentGMTTime()
    {
        MqlDateTime dt;
        TimeToStruct(TimeGMT(), dt);

        return StringFormat("%02d:%02d:%02d GMT", dt.hour, dt.min, dt.sec);
    }

private:
    //+------------------------------------------------------------------+
    //| Check if current day of week is allowed                         |
    //+------------------------------------------------------------------+
    bool IsDayOfWeekAllowed()
    {
        MqlDateTime dt;
        TimeToStruct(TimeGMT(), dt);

        string day_names[] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
        bool allowed = m_days_enabled[dt.day_of_week];

        if(m_enable_debug)
        {
            Print("[TimeFilter] Day of week: ", day_names[dt.day_of_week],
                  " (", dt.day_of_week, ") - ", (allowed ? "ALLOWED" : "BLOCKED"));
        }

        return allowed;
    }

    //+------------------------------------------------------------------+
    //| Check if current session is allowed                             |
    //+------------------------------------------------------------------+
    bool IsSessionTimeAllowed()
    {
        MqlDateTime dt;
        TimeToStruct(TimeGMT(), dt);
        int hour = dt.hour;

        bool in_asian = IsAsianSession(hour);
        bool in_europe = IsEuropeSession(hour);
        bool in_america = IsAmericaSession(hour);

        bool allowed = false;
        string active_session = "None";

        if(in_asian && m_asian_enabled)
        {
            allowed = true;
            active_session = "Asian";
        }
        else if(in_europe && m_europe_enabled)
        {
            allowed = true;
            active_session = "Europe";
        }
        else if(in_america && m_america_enabled)
        {
            allowed = true;
            active_session = "America";
        }

        if(m_enable_debug)
        {
            Print("[TimeFilter] Current time: ", dt.hour, ":00 GMT");
            Print("[TimeFilter] In Asian session (00-08): ", in_asian, " - Enabled: ", m_asian_enabled);
            Print("[TimeFilter] In Europe session (07-16): ", in_europe, " - Enabled: ", m_europe_enabled);
            Print("[TimeFilter] In America session (13-22): ", in_america, " - Enabled: ", m_america_enabled);
            Print("[TimeFilter] Active session: ", active_session, " - ", (allowed ? "ALLOWED" : "BLOCKED"));
        }

        return allowed;
    }

    //+------------------------------------------------------------------+
    //| Check if Asian session (00:00 - 08:00 GMT)                      |
    //+------------------------------------------------------------------+
    bool IsAsianSession(int hour)
    {
        return (hour >= 0 && hour < 8);
    }

    //+------------------------------------------------------------------+
    //| Check if Europe session (07:00 - 16:00 GMT)                     |
    //+------------------------------------------------------------------+
    bool IsEuropeSession(int hour)
    {
        return (hour >= 7 && hour < 16);
    }

    //+------------------------------------------------------------------+
    //| Check if America session (13:00 - 22:00 GMT)                    |
    //+------------------------------------------------------------------+
    bool IsAmericaSession(int hour)
    {
        return (hour >= 13 && hour < 22);
    }
};
//+------------------------------------------------------------------+