///////////////////////////////////////////////////////
// 
// SaherElm IT Center XMKT Indicator
// ---------------------------------------------
// retrieve market base info ...
//
// Maintainer:
// ------------
// Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com)
// 
//////////////////////////////////////////////////////
//
// Global Properties ...
#property copyright "Copyright 2023, SaherElm IT Center"
#property link "https://saherelm.ir"
#property version "1.00"
#property description "SaherElm XMKT Indicator"
#property strict

//
// START Inputs ...
//
//
// Market Specifications ...
input int marketLength = 7; // Market Length
//
input bool showHighestHigh = true; // Show Market Highest High
input bool showHighestLow = true; // Show Market Highest Low
input bool showHighestOpen = true; // Show Market Highest Open
input bool showHighestClose = true; // Show Market Highest Close
input bool showLowestHigh = true; // Show Market Lowest High
input bool showLowestLow = true; // Show Market Lowest Low
input bool showLowestOpen = true; // Show Market Lowest Open
input bool showLowestClose = true; // Show Market Lowest Close
//
input color highestHighColor = clrDeepPink; // Market Highest High Color
input color highestLowColor = clrDarkOrange; // Market Highest Low Color
input color highestOpenColor = clrDodgerBlue; // Market Highest Open Color
input color highestCloseColor = clrOrchid; // Market Highest Close Color
input color lowestHighColor = clrHotPink; // Market Lowest High Color
input color lowestLowColor = clrOrange; // Market Lowest Low Color
input color lowestOpenColor = clrPowderBlue; // Market Lowest Open Color
input color lowestCloseColor = clrMediumOrchid; // Market Lowest Close Color
//
input ENUM_LINE_STYLE highestHighStyle = STYLE_DOT; // Market Highest High Line Style
input ENUM_LINE_STYLE highestLowStyle = STYLE_DOT; // Market Highest Low Line Style
input ENUM_LINE_STYLE highestOpenStyle = STYLE_DOT; // Market Highest Open Line Style
input ENUM_LINE_STYLE highestCloseStyle = STYLE_DOT; // Market Highest Close Line Style
input ENUM_LINE_STYLE lowestHighStyle = STYLE_DOT; // Market Lowest High Line Style
input ENUM_LINE_STYLE lowestLowStyle = STYLE_DOT; // Market Lowest Low Line Style
input ENUM_LINE_STYLE lowestOpenStyle = STYLE_DOT; // Market Lowest Open Line Style
input ENUM_LINE_STYLE lowestCloseStyle = STYLE_DOT; // Market Lowest Close Line Style
//
// END Inputs ...
//

//
// START Global Definitions: Variables, Properties and etc ...
//
#property indicator_chart_window

//
// define indicator buffers ...
#property indicator_buffers 8
#property indicator_plots 8

//
// Declare Buffers ...
#define marketHighestHighBufferIndex 0
#define marketHighestLowBufferIndex 1
#define marketHighestOpenBufferIndex 2
#define marketHighestCloseBufferIndex 3
#define marketLowestHighBufferIndex 4
#define marketLowestLowBufferIndex 5
#define marketLowestOpenBufferIndex 6
#define marketLowestCloseBufferIndex 7

//
double marketHighestHighBuffer[];
double marketHighestLowBuffer[];
double marketHighestOpenBuffer[];
double marketHighestCloseBuffer[];
double marketLowestHighBuffer[];
double marketLowestLowBuffer[];
double marketLowestOpenBuffer[];
double marketLowestCloseBuffer[];

//
// Includes our shared library ...
#include "../Libraries/x-saherelm.lib.mq4"
//
// END Global Definitions: Variables, Properties and etc ...
//

//
// Start Event Handlers ...
// 
//
// Initialization ...
int OnInit() {
    //
    // Initialize what we want ...
    
    //
    // Validating Input Parameters ...
    if (marketLength <= 0) {
        return INIT_PARAMETERS_INCORRECT;
    }
    
    //
    // here we specify logging enabled or not ...
    enableLogging = true;

    //
    // this is a Tag which attached to our Logger ...
    logTag = "XST_XMKT";

    //
    // Highest High ...
    string highestHighLbl = StringConcatenate("HH(", marketLength,")");
    SetIndexLabel(marketHighestHighBufferIndex, highestHighLbl);
    SetIndexBuffer(marketHighestHighBufferIndex, marketHighestHighBuffer);
    SetIndexStyle(
        marketHighestHighBufferIndex, 
        showHighestHigh ? 
            DRAW_LINE : 
            DRAW_NONE, 
        highestHighStyle, 
        1, 
        showHighestHigh ? 
            highestHighColor : 
            clrNONE
    );

    //
    // Highest Low ...
    string highestLowLbl = StringConcatenate("HL(", marketLength,")");
    SetIndexLabel(marketHighestLowBufferIndex, highestLowLbl);
    SetIndexBuffer(marketHighestLowBufferIndex, marketHighestLowBuffer);
    SetIndexStyle(
        marketHighestLowBufferIndex, 
        showHighestLow ? 
            DRAW_LINE : 
            DRAW_NONE, 
        highestLowStyle, 
        1, 
        showHighestLow ? 
            highestLowColor : 
            clrNONE
    );

    //
    // Highest Open ...
    string highestOpenLbl = StringConcatenate("HO(", marketLength,")");
    SetIndexLabel(marketHighestOpenBufferIndex, highestOpenLbl);
    SetIndexBuffer(marketHighestOpenBufferIndex, marketHighestOpenBuffer);
    SetIndexStyle(
        marketHighestOpenBufferIndex, 
        showHighestOpen ? 
            DRAW_LINE : 
            DRAW_NONE, 
        highestOpenStyle, 
        1, 
        showHighestOpen ? 
            highestOpenColor : 
            clrNONE
    );

    //
    // Highest Close ...
    string highestCloseLbl = StringConcatenate("HC(", marketLength,")");
    SetIndexLabel(marketHighestCloseBufferIndex, highestCloseLbl);
    SetIndexBuffer(marketHighestCloseBufferIndex, marketHighestCloseBuffer);
    SetIndexStyle(
        marketHighestCloseBufferIndex, 
        showHighestClose ? 
            DRAW_LINE : 
            DRAW_NONE, 
        highestCloseStyle, 
        1, 
        showHighestClose ? 
            highestCloseColor : 
            clrNONE
    );

    //
    // Lowest High ...
    string lowestHighLbl = StringConcatenate("LH(", marketLength,")");
    SetIndexLabel(marketLowestHighBufferIndex, lowestHighLbl);
    SetIndexBuffer(marketLowestHighBufferIndex, marketLowestHighBuffer);
    SetIndexStyle(
        marketLowestHighBufferIndex, 
        showLowestHigh ? 
            DRAW_LINE : 
            DRAW_NONE, 
        lowestHighStyle, 
        1, 
        showLowestHigh ? 
            lowestHighColor : 
            clrNONE
    );

    //
    // Lowest Low ...
    string lowestLowLbl = StringConcatenate("LL(", marketLength,")");
    SetIndexLabel(marketLowestLowBufferIndex, lowestLowLbl);
    SetIndexBuffer(marketLowestLowBufferIndex, marketLowestLowBuffer);
    SetIndexStyle(
        marketLowestLowBufferIndex, 
        showLowestLow ? 
            DRAW_LINE : 
            DRAW_NONE, 
        lowestLowStyle, 
        1, 
        showLowestLow ? 
            lowestLowColor : 
            clrNONE
    );

    //
    // Lowest Open ...
    string lowestOpenLbl = StringConcatenate("LO(", marketLength,")");
    SetIndexLabel(marketLowestOpenBufferIndex, lowestOpenLbl);
    SetIndexBuffer(marketLowestOpenBufferIndex, marketLowestOpenBuffer);
    SetIndexStyle(
        marketLowestOpenBufferIndex, 
        showLowestOpen ? 
            DRAW_LINE : 
            DRAW_NONE, 
        lowestOpenStyle, 
        1, 
        showLowestOpen ? 
            lowestOpenColor : 
            clrNONE
    );

    //
    // Lowest Close ...
    string lowestCloseLbl = StringConcatenate("LC(", marketLength,")");
    SetIndexLabel(marketLowestCloseBufferIndex, lowestCloseLbl);
    SetIndexBuffer(marketLowestCloseBufferIndex, marketLowestCloseBuffer);
    SetIndexStyle(
        marketLowestCloseBufferIndex, 
        showLowestClose ? 
            DRAW_LINE : 
            DRAW_NONE, 
        lowestCloseStyle, 
        1, 
        showLowestClose ? 
            lowestCloseColor : 
            clrNONE
    );

    //
    // initialization done ...
    return(INIT_SUCCEEDED);
}

//
// DeInitialization ...
void OnDeinit(const int reason) {
    //
    RemoveDraws(logTag);
}

//
// Do Calculation ...
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[]
) {
    //
    // this counts Available Bars ...
    int limit;

    //
    // because in some cases we may have more than one input for 
    // calculation and we must prevent any calculation
    // untill we pass the biggest input length, here we get max Input length
    // and then wait until pass it ...
    int maxLength = MathMax(marketLength, 3);

    //
    // input variable, we return 0 means nothing passed ...
    if (rates_total < maxLength) {
      return 0;
    }
   
    //
    // found which candles calculated before ...
    limit = (prev_calculated == 0) ? rates_total - maxLength - 1 : rates_total - prev_calculated + 1;

    //
    // this is the main loop of calculations, for each bar index ...
    for (int i = limit - 1; i >= 0; i--) {
        //
        // Start Calculation here ...
        // i is bar_index ... 
        
        //
        // Calculate Short Cycle ...
        CalculateBuffers(i);
    }

    //
    return rates_total;
}
//
// END Event Handlers ...
// 

//
// START Functions ...
//
//
// Calculate Short Cycle ...
void CalculateBuffers(
    const int bar_index
) {
    //
    // Highest High ...
    double highestHighValue = GetMarketHighestHigh(
        bar_index,
        marketLength
    );
    marketHighestHighBuffer[bar_index] = highestHighValue;
    
    //
    // Highest Low ...
    double highestLowValue = GetMarketHighestLow(
        bar_index,
        marketLength
    );
    marketHighestLowBuffer[bar_index] = highestLowValue;
    
    //
    // Highest Open ...
    double highestOpenValue = GetMarketHighestOpen(
        bar_index,
        marketLength
    );
    marketHighestOpenBuffer[bar_index] = highestOpenValue;
    
    //
    // Highest Close ...
    double highestCloseValue = GetMarketHighestClose(
        bar_index,
        marketLength
    );
    marketHighestCloseBuffer[bar_index] = highestCloseValue;

    //
    // Lowest High ...
    double lowestHighValue = GetMarketLowestHigh(
        bar_index,
        marketLength
    );
    marketLowestHighBuffer[bar_index] = lowestHighValue;
    
    //
    // Lowest Low ...
    double lowestLowValue = GetMarketLowestLow(
        bar_index,
        marketLength
    );
    marketLowestLowBuffer[bar_index] = lowestLowValue;
    
    //
    // Lowest Open ...
    double lowestOpenValue = GetMarketLowestOpen(
        bar_index,
        marketLength
    );
    marketLowestOpenBuffer[bar_index] = lowestOpenValue;
    
    //
    // Lowest Close ...
    double lowestCloseValue = GetMarketLowestClose(
        bar_index,
        marketLength
    );
    marketLowestCloseBuffer[bar_index] = lowestCloseValue;    
}
//
// END Functions ...
//