///////////////////////////////////////////////////////
//
// SaherElm IT Center MQL4 Models Global Library
// ---------------------------------------------
// saherelm useful tools and definitions ...
//
//
// Maintainer:
// ------------
// Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com)
//
//////////////////////////////////////////////////////
#property library
#property copyright "Copyright 2023, SaherElm IT Center"
#property link      "https://www.saherelm.ir"
#property version   "1.00"
#property strict

//
// Start Models ...
//

//
// Used Indicators List ...
const string xmaIndicatorName = "x-saherelm.xma";
const string adxIndicatorName = "x-saherelm.adx";
const string oscIndicatorName = "x-saherelm.osc";
const string zigZagIndicatorName = "x-saherelm.zigzag";

//
// Direction ...
enum X_DIRECTION {
    X_UP,
    X_DOWN
};

//
// these are different signal types ...
enum X_SIGNAL_TYPE {
    X_NONE,
    X_LONG,
    X_SHORT,
};

//
// we Model each signals as this type ...
struct XSignal {
    int id;
    X_SIGNAL_TYPE type;
    double tp;
    double sl;
    string symbol;
    datetime time;
    double entryPrice;
};

//
// this is Signal Request Response model ...
struct XSignalRequest {
    bool hasSignal;
    X_SIGNAL_TYPE type;
    XSignal signal;
};

//
// we model OSC Return Data ...
struct XOSCState {
    //
    double fastOSC;
    double fastOSCPrev;
    
    //
    double slowOSC;
    double slowOSCPrev;
    
    //
    double powerOSC;
    double powerOSCPrev;
    
    //
    double varOSC;
    double varOSCPrev;

    //
    double tanFSOSC;

    //
    bool isOSCCrossOver;
    bool isOSCCrossUnder;
};

//
// Define a Model to Represent Snapshot of XMA Indicator ...
struct XMAState {
    //
    // Short Cycle ...
    //
    // FAST ...
    double scFast;
    double scFastPrev;

    //
    // SLOW ...
    double scSlow;
    double scSlowPrev;

    //
    bool isSCTrendUp;

    //
    // Medium Cycle ...
    //
    // FAST ...
    double mcFast;
    double mcFastPrev;

    //
    // SLOW ...
    double mcSlow;
    double mcSlowPrev;

    //
    // Long Cycle ...
    //
    // FAST ...
    double lcFast;
    double lcFastPrev;

    //
    // SLOW ...
    double lcSlow;
    double lcSlowPrev;

    //
    // MIDDLEAGE ...
    double marketMiddleage;
    double marketMiddleagePrev;
};

//
// Represent ADX State ...
struct XADXState {
    //
    double trendPower;
    double trendPowerPrev;

    //
    double upDirection;
    double upDirectionPrev;

    //
    double downDirection;
    double downDirectionPrev;

    //
    bool isUpTrend;
    bool isDownTrend;
};

//
// ZigZag State ...
struct XZigZagState {
    //
    double zigZag;
    datetime zigZagTime;

    //
    double zigZagPrev;
    datetime zigZagPrevTime;

    //
    double low;
    int lowBarIndex;
    datetime lowTime;

    //
    double high;
    int highBarIndex;
    datetime highTime;

    //
    double delta;

    //
    bool isWaitForTrendUp;
    bool isWaitForTrendDown;

    //
    bool isLowIsLastLow;
    bool isHighIsLastHigh;
};
//
// End Models ...
//