#include <sys\stat.h>
#include "dirent.h"

#include <windows.h>
#include <stdio.h>

#include "file.h"

void File::_getDetails()
{ struct stat statData;

	if (this->name.length() < 5)
  {	this->does_exist	= true;
  	this->size				= 0;
    this->is_dir			= true;
    this->is_writable = true;
  }
  else
  { if (stat (this->name.c_str(), &statData) == -1)
	  { this->does_exist	= false;
  		this->size				= 0;
    	this->is_dir			= false;
	    this->is_writable = false;
  	}
	  else
  	{ this->does_exist  = (statData.st_mode & (S_IFDIR | S_IFREG)) != 0;
	  	this->is_dir			= ((statData.st_mode & S_IFDIR) != 0);
  	  this->size   			= statData.st_size;
    	this->is_writable = ((statData.st_mode & S_IWRITE) != 0);
    }
  }
}

void File::getChildren()
{ DIR *						directory;
	struct dirent	*	entry;

	directory = opendir(this->name.c_str());
  if (directory == NULL)
  {	return;
  }

  while ((entry = readdir(directory)) != NULL)
  {	string childName;

  	if (strcmp(entry->d_name, "..") == 0 ||
    		strcmp(entry->d_name, ".") == 0)
    {	continue;
    }

		childName = this->name;
    childName.append("\\");
    childName.append(entry->d_name);

    this->children.push_back(*(new File(childName)));
  }
  closedir(directory);
}

File::File()
{	this->size		= 0;
}

File::File(string filename)
{	this->name		= filename;
	this->_getDetails();
	if (this->is_dir)
  {	this->getChildren();
  }
}

File::File(string filename, unsigned long filesize)
{	this->name		= filename;
	this->_getDetails();
  if (this->is_dir)
  {	this->getChildren();
  }
}

unsigned long File::getDiskSpace(DiskSpace &diskSpace)
{ unsigned long totalSize = 0;

	if (this->is_dir)
	{ vector<File>::iterator here = this->children.begin();
  	vector<File>::iterator end	= this->children.end();

    while (here != end)
    {	totalSize	+=  here->getDiskSpace(diskSpace);
    	here ++;
    }
  }
  totalSize	+=	diskSpace.fileSpace(this->size);
	return totalSize;
}

const char *File::getFileName()
{	return this->name.c_str();
}

unsigned long File::getRawFileSize()
{	return this->size;
}

unsigned long File::getFileSize()
{	unsigned long	totalSize	= 0;

	if (this->is_dir)
  {	vector<File>::iterator here	= this->children.begin();
  	vector<File>::iterator end	= this->children.end();

	  while (here != end)
  	{	totalSize	+=	here->getFileSize();
  		here ++;
	  }
  }
  totalSize	+=	this->size;
  return totalSize;
}

vector<File>::iterator File::childBegin()
{	return this->children.begin();
}

vector<File>::iterator File::childEnd()
{	return this->children.end();
}

bool File::isDirectory()
{	return this->is_dir;
}

bool File::isWriteable()
{	return this->is_writable;
}

bool File::exists()
{ return this->does_exist;
}

void File::copy(char *to)
{
}