///////////////////////////////////////////////////////
//
// SaherElm IT Center MQL5 Indicator
// ---------------------------------------------
// Name: X121 XCT
// Description: Trend Magic Indicator ...
//
//
// 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 X121 XCT Indicator"
#property strict

//
// START Constants ...
//

//
#define ShortName "X121 XCT"
#include "../Libraries/x-saherelm.common.lib.mq5"

//
// END Constants ...
//

//
// START Inputs ...
//

//
input int fontSize = 15;                            // Font Size
input string font = "Arial";                        // Font
input color clr = clrYellow;                        // Text Color
input ENUM_BASE_CORNER corner = CORNER_RIGHT_LOWER; // Text Position

//
input group "Presentation";
input bool showTimer = true; // Show Candle Time

//
// END Inputs ...
//

//
// START Buffers ...
//

//
#property indicator_chart_window

//
#property indicator_buffers 0
#property indicator_plots 0

//
// END Buffers ...
//

//
// START Global Definitions: Variables, Properties and etc ...
//
bool isCreatedObject;
string tag;
//
// END Global Definitions: Variables, Properties and etc ...
//

//
// START Event Handlers ...
//

//
// Initialization ...
int OnInit()
{
    //
    // Validate Inputs ...

    //
    tag = ShortName + _Symbol + ToString(_Period);

    //
    // Set Indicator ShortName ...
    SetIndicatorName();

    //
    // Init Succeed ...
    return INIT_SUCCEEDED;
}

//
// DeInitialization ...
void OnDeinit(const int reason)
{
    //
    // REASON_PROGRAM 0 The EA has stopped working calling the ExpertRemove() function
    // REASON_REMOVE 1 Program removed from a chart
    // REASON_RECOMPILE 2 Program recompiled
    // REASON_CHARTCHANGE 3 A symbol or a chart period is changed
    // REASON_CHARTCLOSE 4 Chart closed
    // REASON_PARAMETERS 5 Inputs changed by a user
    // REASON_ACCOUNT 6 Another account has been activated or reconnection to the trade server has occurred due to changes in the account settings
    // REASON_TEMPLATE 7 Another chart template applied
    // REASON_INITFAILED 8 The OnInit() handler returned a non-zero value
    // REASON_CLOSE 9 Terminal closed

    //
    // Delete Object ...
    ObjectDelete(0, tag);

    //
    Comment("");
}

//
// Calculating what we want ...
int OnCalculate(
    const int rates_total,     // Total Bars on Chart ...
    const int prev_calculated, // Total Calculated Bars on Charts ...
    const datetime &time[],    // History of Open Time ...
    const double &open[],      // History of Open Price ...
    const double &high[],      // History of High Price ...
    const double &low[],       // History of Low Price ...
    const double &close[],     // History of Close Price ...
    const long &tick_volume[], // History of Tick Volumes on Bar ...
    const long &volume[],      // History of Trade Volumes ...
    const int &spread[]        // History of Spread Price ...
)
{
    //
    if (!showTimer)
    {
        return rates_total;
    }

    //
    XBarRemainsTime barRemains;
    barRemains.Init(
        _Symbol,
        _Period
        //
    );

    //
    string msg = barRemains
                     .ToString(
                         "",
                         "",
                         "",
                         "",
                         "",
                         ":",
                         true
                         //
                     );

    //
    long mSpread = SymbolInfoInteger(Symbol(), SYMBOL_SPREAD);

    //
    string _sp = "";
    if (mSpread < 10)
        _sp = "..";
    else if (mSpread < 100)
        _sp = ".";

    //
    string objText = "Spread: " + IntegerToString(mSpread) + _sp + ", Next Bar in: " + msg;

    //
    if (IsValid(tag) && !isCreatedObject)
    {
        CreateIndicatorObject();
    }

    //
    if (isCreatedObject)
    {
        ObjectSetString(0, tag, OBJPROP_TEXT, objText);
    }

    //
    return rates_total;
}

//
// END Event Handlers ...
//

//
// START Functions ...
//

//
// Set Indicator Short Name and also we can define Buffers Labels ...
void SetIndicatorName()
{
    IndicatorSetString(INDICATOR_SHORTNAME, ShortName);
}

//
void CreateIndicatorObject()
{
    //
    if (!showTimer ||
        !IsValid(tag))
    {
        return;
    }

    //
    isCreatedObject = ObjectCreate(0, tag, OBJ_LABEL, 0, 0, 0);
    ObjectSetInteger(0, tag, OBJPROP_CORNER, corner);
    ObjectSetInteger(0, tag, OBJPROP_XDISTANCE, 10);
    ObjectSetInteger(0, tag, OBJPROP_YDISTANCE, 2);

    //
    ENUM_ANCHOR_POINT Anchor = ANCHOR_LEFT_UPPER;
    switch (corner)
    {
    case CORNER_LEFT_UPPER:
        Anchor = ANCHOR_LEFT_UPPER;
        break;
    case CORNER_RIGHT_UPPER:
        Anchor = ANCHOR_RIGHT_UPPER;
        break;
    case CORNER_LEFT_LOWER:
        Anchor = ANCHOR_LEFT_LOWER;
        break;
    case CORNER_RIGHT_LOWER:
        Anchor = ANCHOR_RIGHT_LOWER;
        break;
    }

    //
    int mFontSize = fontSize > 0
                        ? fontSize
                        : 10;

    //
    string mFont = IsValid(font)
                       ? font
                       : "Arial";

    //
    ObjectSetString(0, tag, OBJPROP_FONT, mFont);
    ObjectSetInteger(0, tag, OBJPROP_COLOR, clr);
    ObjectSetInteger(0, tag, OBJPROP_ANCHOR, Anchor);
    ObjectSetInteger(0, tag, OBJPROP_FONTSIZE, mFontSize);
}

//
// END Functions ...
//