/* (C) 2003 XDA Developers
 * Author: Willem Jan Hengeveld <itsme@xs4all.nl>
 * Web: http://www.xda-developers.com/
 *
 * $Header$
 */
#include <windows.h>
#include <stdio.h>

#include <string>
using namespace std;
#include "debug.h"
#include "stringutils.h"
#include "fileutils.h"

#define INVALID_FILE_ATTRIBUTES 0xffffffff

FileState GetFileState(const string& filename)
{
    DWORD dwAttr= GetFileAttributes(ToWString(filename).c_str());

    if (dwAttr==INVALID_FILE_ATTRIBUTES)
    {
        DWORD dwError= GetLastError();
        if (dwError==ERROR_FILE_NOT_FOUND || dwError==ERROR_PATH_NOT_FOUND)
            return FS_NOTFOUND;
        else
            return FS_NOACCESS;
    }
    else if (dwAttr & FILE_ATTRIBUTE_DIRECTORY)
        return FS_DIRECTORY;
    else 
        return FS_FILE;
}

bool FileExists(const string &filename)
{
	return GetFileState(filename) != FS_NOTFOUND;
}

bool CopyFile(const string &sourcefile, const string &destinationfile)
{
	if (!CopyFile(ToWString(sourcefile).c_str(), ToWString(destinationfile).c_str(), false))
	{
		error("copyfile");
		return false;
	}
	return true;
}

bool ReadFileLines(const string &filename, StringList& lines)
{
	FILE *f= fopen(filename.c_str(), "r");
	if (f==NULL)
	{
		error("fopen");
		return false;
	}

	char buf[1024];

	while (!feof(f))
	{
		if (NULL==fgets(buf, 1024, f))
		{
			break;
		}
		
		chomp(buf);
		lines.push_back(string(buf));
	}
	fclose(f);
	return true;
}

bool MakeLink(const string &linkname, const string &contents)
{
	debug("makelink not yet implemented\n");
	return false;
}
bool RenameFile(const string &originalname, const string &newname)
{
	if (!MoveFile(ToWString(originalname).c_str(), ToWString(newname).c_str()))
	{
		error("movefile");
		return false;
	}
	return true;
}
bool DeleteFile(const string &filename)
{
	if (!DeleteFile(ToWString(filename).c_str()))
	{
		error("deletefile");
		return false;
	}
	return true;
}

bool ParseFilename(const string& fullpath, string& path, string& filename)
{
	string::size_type spos= fullpath.find_last_of("\\/");
	if (spos==string::npos)
	{
		path.clear();
		filename= fullpath;
	}
	else {
		path= fullpath.substr(0, spos-1);
		filename= fullpath.substr(spos+1);
	}
	return true;
}
string ConcatPaths(const string& path1, const string& path2)
{
	if (path1.find_last_of("\\/")==path1.length()-1)
		return path1+path2;
	else
		return path1+"\\"+path2;
}