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#include <iostream>
#include <sstream>
#include <locale>
#include <filesystem>

namespace fs = std::filesystem;
using namespace std;

#include "sierrachart.h"

SCDLLNAME_API int32_t SCDLLCALL OpenFile(const SCString& PathAndFileName, const int Mode, int& FileHandle);
SCDLLNAME_API int32_t SCDLLCALL ReadFile(const int FileHandle, char* Buffer, const int BytesToRead, unsigned int* p_BytesRead);
SCDLLNAME_API int32_t SCDLLCALL WriteFile(const int FileHandle, const char* Buffer, const int BytesToWrite, unsigned int* p_BytesWritten);
SCDLLNAME_API int32_t SCDLLCALL CloseFile(const int FileHandle);

SCSFExport scsf_ReadFileExample(SCStudyInterfaceRef sc)
{
// Define the file path
const char* filePath = "c:\\ninja2sierra.txt";

// Declare variables
float data = 0.0;

// Open the file
int fileHandle;
if (sc.OpenFile(filePath, 0, fileHandle) == 1)
{
// Read the file contents
char buffer[256]; // Adjust the buffer size as needed
unsigned int bytesRead = 0;
if (sc.ReadFile(fileHandle, buffer, sizeof(buffer) - 1, &bytesRead) == 1)
{
buffer[bytesRead] = '\0'; // Null-terminate the buffer
// Parse the float value
if (sscanf_s(buffer, "%f", &data) == 1)
{
// Successfully read and parsed the float value
sc.AddMessageToLog("Read and parsed data from file.", 0);
sc.AddMessageToLog(sc.FormatStudySubgraphName(0), 0);
}
else
{
// Failed to parse the float value
sc.AddMessageToLog("Failed to parse data from file.", 1);
}
}
else
{
// Error reading file
sc.AddMessageToLog("Error reading file.", 1);
}

// Close the file
sc.CloseFile(fileHandle);
}
else
{
// File does not exist or could not be opened
sc.AddMessageToLog("File does not exist or could not be opened.", 1);
}

// Use the 'data' variable as needed

// Output the result to a subgraph for visualization
sc.Subgraph[0][sc.Index] = data;
}