/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
 *            macrolist.cc
 *
 *  Wed Jul 22 10:26:40 CEST 2009
 *  Copyright 2009 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of Pracro.
 *
 *  Pracro is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  Pracro is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Pracro; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#include "macrolist.h"

#include <sys/types.h>
#include <dirent.h>

#include "debug.h"
#include "macroheaderparser.h"

static std::vector<std::string> listdir(std::string path)
{
  std::vector<std::string> files;

  DIR* dir = opendir(path.c_str());
  if(!dir) {
    PRACRO_ERR(dump, "Could not open directory: %s\n", path.c_str());
    return files;
  }

  struct dirent *d;
  while((d = readdir(dir)) != 0) {
    //if(d->d_type == DT_DIR) {
    std::string name = d->d_name;
    if(name.length() >= 4 && name.substr(name.length() - 4) == ".xml")
      files.push_back(name);
    //}
  }
  closedir(dir);

  return files;
}

MacroList::MacroList(std::string macropath)
{
  this->macropath = macropath;
  std::vector<std::string> macros = listdir(macropath);
  std::vector<std::string>::iterator i = macros.begin();
  while(i != macros.end()) {
    MacroHeaderParser parser(macropath + "/" + *i);
    parser.parse();
    Macro *macro = parser.getMacro();
    (*this)[macro->attributes["name"]][VersionStr(macro->attributes["version"])] = *i;
    i++;
  }
}

std::string MacroList::getLatestVersion(std::string macro)
{
  if(find(macro) == end()) return "";
  MacroListItem mli = (*this)[macro];
  if(mli.size() == 0) return "";
  printf("Search for %s - found %s v%s\n",
         macro.c_str(),
         (macropath + "/" + mli.begin()->second).c_str(),
         ((std::string)mli.begin()->first).c_str());
  return macropath + "/" + mli.begin()->second;
}

#ifdef TEST_MACROLIST

int main()
{
  MacroList lst("/home");

  lst["macro1"][VersionStr("1.0")] = "macro1-1.0.xml";
  lst["macro1"][VersionStr("1.1")] = "macro1-1.1.xml";
  lst["macro1"][VersionStr("1.1.1")] = "macro1-1.1.1.xml";
  lst["macro1"][VersionStr("1.2")] = "macro1-1.2.xml";
  lst["macro2"][VersionStr("1.0")] = "macro2.xml";
  lst["macro3"][VersionStr("1.0")] = "macro3.xml";

  MacroList::iterator i = lst.begin();
  while(i != lst.end()) {
    MacroListItem::iterator j = i->second.begin();
    while(j != i->second.end()) {
      printf("%s - v%s file: %s\n",
             i->first.c_str(),
             ((std::string)j->first).c_str(),
             j->second.c_str());
      j++;
    }
    i++;
  }

  return 0;
}

#endif/*TEST_MACROLIST*/