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#include "sierrachart.h"

SCDLLName("RenkoTest")

SCSFExport scsf_RenkoTest(SCStudyInterfaceRef sc)
{
  
  /********************************************************************
   * Define references to the Subgraphs and Inputs for easy reference *
   ********************************************************************/

  // Input references
  SCInputRef ChartStudy = sc.Input[0]; // Reference secondary chart +
  
  // Section 1 - Set the configuration variables and defaults
  if (sc.SetDefaults)
  {
    sc.GraphName = "Renko Test";
    
    sc.AutoLoop = 1; //Automatic looping is enabled.
    
    /*******************************************
     * Secondary Renko Chart Defaults *
     *******************************************/
    
    ChartStudy.Name = "Secondary Chart Reference";
    // Chart number 2, study number is irrelevant or 0,
// because no study is attached to chart.
    ChartStudy.SetChartStudyValues(2, 0);
      
    return;
  }
    
  /***********************************************************
   * DO NOT PROCESS WHILE DOWNLOADING DATA OR RECALCULATING *
   ***********************************************************/
  
  if (sc.IsFullRecalculation || sc.DownloadingHistoricalData)
  {
    sc.AddMessageToLog("Processing halted: Data download or recalculation in progress.", 1);
    return;
  }

  /********************************************
   * SECONDARY RENKO CHART DATA PROCESSING *
   ********************************************/
    
  // 1. Define a graph data object to get
// all of the base graph data from the secondary chart
  SCGraphData BaseGraphData;
  sc.GetChartBaseData(ChartStudy.GetChartNumber(), BaseGraphData);
  
  // 2. Create arrays for open and close prices from secondary chart.
    
  // - 2a. Get the Renko Open array from the secondary chart
  SCFloatArrayRef RenkoSecOpenArray = BaseGraphData[SC_RENKO_OPEN];
  // - 2b. Get the Renko Close array from the secondary chart
  SCFloatArrayRef RenkoSecCloseArray = BaseGraphData[SC_RENKO_CLOSE];
  
  // 4. Check if secondary array has enough bars.
  if (RenkoSecOpenArray.GetArraySize() < 2 || RenkoSecCloseArray.GetArraySize() < 2)
  {
    sc.AddMessageToLog("Insufficient data in secondary chart arrays.", 1);
    return;
  }
  
  // 5. Get the Renko open of the last completed bar on secondary chart.
  float RenkoSecOpen2 = RenkoSecOpenArray[RenkoSecOpenArray.GetArraySize() - 2];
  // 6. Get the Renko close of the last completed bar on secondary chart.
  float RenkoSecClose2 = RenkoSecCloseArray[RenkoSecCloseArray.GetArraySize() - 2];
    
  /********************************************
   * MAIN RENKO CHART DATA PROCESSING *
   ********************************************/
  
  // 1. Check if there are at least 5 elements/bars.
  if (sc.ArraySize < 5)
  {
    // If insufficient bars, return control to Sierra Chart
    sc.AddMessageToLog("Not enough data points in the main chart", 1);
    return;
  }
  
  // 2. Get the open and closing prices of the currently developing bar
  // and the last completed bar.

  // - 2a. Renko open of current/developing bar on main chart.
  float RenkoMainOpen = sc.BaseData[SC_RENKO_OPEN][sc.ArraySize - 1];
  // - 2b. Renko open of most recently completed bar on main chart.
  float RenkoMainOpen2 = sc.BaseData[SC_RENKO_OPEN][sc.ArraySize - 2];
  
  // - 2f. Renko close current/developing bar on main chart.
  float RenkoMainClose = sc.BaseData[SC_RENKO_CLOSE][sc.ArraySize - 1];
  // - 2g. Renko close of most recently completed bar on main chart.
  float RenkoMainClose2 = sc.BaseData[SC_RENKO_CLOSE][sc.ArraySize - 2];