// load_dial.cxx
//
// David Adams
// May 2004
//
// Script to load the DIAL libraries.

#include <string>
#include <vector>
#include <iostream>
#include "TSystem.h"
#include "TROOT.h"

using std::string;
using std::vector;
using std::cout;
using std::endl;

string env(string name) {
  const char* cval = gSystem->Getenv(name.c_str());
  if ( cval == 0 ) return "";
  return cval;
}

typedef vector<string> NameList;

int load_dial() {

  // Flag indicating that ATLAS classes are accesible.
  bool use_atlas = true;

  // Check environment.
  vector<string> envnames;
  envnames.push_back("DIAL_HEADER_DIR");
  envnames.push_back("DIAL_INSTALL_DIR");
  envnames.push_back("DIAL_ROOT_DIR");
  for (NameList::const_iterator inam=envnames.begin();
       inam!=envnames.end(); ++inam ) {
    string name = *inam;
    cout << name << " = " << env(name) << endl;
    if ( env(name).size() == 0 ) {
      cout << "Environmental variable " << name << " must be defined."
           << endl;
      return 1;
    }
  }

  // Build list of external, dataset and dial packages.
  vector<string> pkgs;
  pkgs.push_back("gsoap");
  pkgs.push_back("gsoap_gsi");
  pkgs.push_back("dataset_util");
  pkgs.push_back("dataset_sql");
  pkgs.push_back("dataset_file");
  pkgs.push_back("dataset_magda");
  pkgs.push_back("dataset_id");
  pkgs.push_back("dataset_catalog");
  pkgs.push_back("dataset_credential");
  pkgs.push_back("dataset_base");
  pkgs.push_back("dataset_mysqlpp");
  pkgs.push_back("dataset_split");
  pkgs.push_back("dataset_xml");
  pkgs.push_back("dataset_CBNT");
  if ( use_atlas ) pkgs.push_back("dataset_atlaspool");
  pkgs.push_back("dataset_root");
  pkgs.push_back("dial_app");
  pkgs.push_back("dial_task");
  pkgs.push_back("dial_job");
  pkgs.push_back("dial_lsf");
  pkgs.push_back("dial_condor");
  pkgs.push_back("dial_ws");
  pkgs.push_back("dial_ws_file");
  pkgs.push_back("dial_ws_uid");
  pkgs.push_back("dial_ws_srm");
  pkgs.push_back("dial_ws_sched");
  pkgs.push_back("dial_ws_repository");
  pkgs.push_back("dial_root");

  // Build list of libraries.
  vector<string> libs;
  // ...externals.
  if ( use_atlas ) {
    libs.push_back("liblcg_DataSvc.so");
    libs.push_back("liblcg_CollectionBase.so");
    libs.push_back("libGaudiKernel.so");
    libs.push_back("libPathResolver");
    libs.push_back("libAthenaKernel");
    libs.push_back("libCLIDSvcLib.so");
    libs.push_back("libEventInfo.so");
  }
  libs.push_back("libglobus_io_gcc32dbg.so");
  libs.push_back("libxerces-c.so");
  libs.push_back("libmysqlpp_dial.so");
  //libs.push_back("libmysqlclient.so");
  //libs.push_back("libTable.so");
  libs.push_back("libcernlib.so");

  // Set macro path.
  string platdir = env("DIAL_INSTALL_DIR");
  string macpath = TROOT::GetMacroPath();
  macpath += ":" + platdir + "/root";
  //TROOT::SetMacroPath(macpath.c_str());

  string libdir = platdir + "/lib";
  for ( unsigned int i=0; i<pkgs.size(); ++i ) {
    string pkg = pkgs[i];
    //string lib = dir + "/" + libdir + "/lib" + pkg + ".so";
    //string lib = libdir + "/lib" + pkg + ".so";
    string lib = "lib" + pkg + ".so";
    libs.push_back(lib);
  }

  // Load libs.
  for ( unsigned int i=0; i<libs.size(); ++i ) {
    string lib = libs[i];
    cout << "... Loading " << lib << endl;
    int stat = gSystem->Load(lib.c_str());
    if ( stat != 0 ) return stat;
  }

  // Set compiler flags.
  string cppflags = "-DDEFECT_GCC_2_95 -DDEFECT_ROOT_3_01";
  cppflags += " -I" + env("DIAL_HEADER_DIR");
  gSystem->SetIncludePath(cppflags.c_str());

  return 0;
}