///////////////////////////////////////////////////////////////////////
//  Executive.cpp - Illustrates how you can use fileInfo class to    //
//                  help with Project #3 implementation.             //
//                                                                   //
//  Jim Fawcett, CSE687 - Object Oriented Design, Spring 2004        //
///////////////////////////////////////////////////////////////////////

#include <iostream>
#include <fstream>
#include <vector>
#include "fileInfo.h"
using namespace std;

//----< flexible title maker >-----------------------------------------

template <char ch>
string title(const string &t)
{
  string underline(t.length()+2,ch);
  return (string("\n  ") + t + string("\n ") + underline + "\n");
}
//----< search directory tree for files matching pattern string >------

void search(const std::string& path, const std::string& pattern)
{
  vector<string> dirs;
  fileInfo fi;
  fi.setPath(path.c_str());
  std::string temp = std::string("files matching ") + pattern 
                   + std::string(" on path ") + fi.getPath() 
                   + std::string(" are:");
  cout << title<'-'>(temp);

  // find directories using *.*

  if(fi.firstFile("*.*"))
  {
    if(fi.isDirectory() && fi.name() != "." && fi.name() != "..")
      dirs.push_back(fi.name());
  }
  while(fi.nextFile())
  {
    if(fi.isDirectory() && fi.name() != "." & fi.name() != "..")
      dirs.push_back(fi.name());
  }
  fi.closeFile();

  // now find files using file pattern

  if(fi.firstFile(pattern.c_str()))
  {
    fi.showData(cout);
  }
  while(fi.nextFile())
  {
    fi.showData(cout);
  }
  fi.closeFile();
  
  for(unsigned int i=0; i<dirs.size(); i++)
    search(dirs[i],pattern);
}
//
//----< Executive entry point >----------------------------------------

int main(int argc, char* argv[])
{
  cout << title<'='>("Demonstrating Use of fileInfo Object for Project #4");

  if(argc==1)
  {
    cout << "\n  please enter path on which to find files and file pattern(s)\n\n";
    return 1;
  }
  cout << title<'-'>("Command arguments are:") << "  ";
  for(int i=1; i<argc; ++i)
  {
    cout << '\"' << argv[i];
    if(i<argc-1)
      cout << "\", ";
    else
      cout << "\"\n";
  }

  fileInfo fi;
  string origPath = fi.getPath();
  for(i=2; i<argc; i++)
    search(argv[1],argv[i]);

  cout << "\n\n  last search path = " << fi.lastSetPath();
  fi.setPath(origPath);
  cout << "\n\n";
}