/////////////////////////////////////////////////////////////////////
// LoggerHelp.cpp - demonstrates how to register streams           //
//                                                                 //
// Jim Fawcett, CSE687 - Object Oriented Design, Fall 2018         //
/////////////////////////////////////////////////////////////////////

#include "LoggerHelp.h"
#include <fstream>
#include <sstream>

bool displayFileContents(const std::string& msg, const std::string& fileSpec)
{
  if (msg.size() > 0)
  {
    std::cout << "\n\n  " << msg;
  }
  std::ifstream inFileStrm(fileSpec);
  if (!inFileStrm.good())
  {
    std::cout << "\n  can't open " << fileSpec << "\n";
    return false;
  }
  while (inFileStrm.good())
  {
    std::string line;
    std::getline(inFileStrm, line);
    std::cout << "\n" << line;
  }
  return true;
}

int main()
{
  std::cout << "\n  Demonstrating LoggerHelp";
  std::cout << "\n ==========================";

  LoggerHelp lh;
  lh.addStream(&std::cout);  // adding pointer to an instance of std::ostream

  std::string fileSpec = "..\\LogFile.txt";

  std::ofstream outfileStrm(fileSpec, std::ios::out);
  if (outfileStrm.good())
    lh.addStream(&outfileStrm);  // adding pointer to std::ofstream instance

  std::cout << "\n  logging to console and " << fileSpec << "\n";

  lh.write("\n  Hi from main");
  lh.write("\n  hi again");

  outfileStrm.close();
  std::string msg = "displaying contents of " + fileSpec;

  displayFileContents(msg, fileSpec);

  std::cout << "\n\n";
  return 0;
}