#include "dbxml/DbXml.hpp"

#include <stdio.h>
#include <dirent.h>
#include <string.h>
#include <vector.h>

using namespace DbXml;
// exception handling omitted for clarity

int main(int argc, char * argv[])
{
  
  bool verbose = true;
  vector<std::string> galderak ;

  galderak.push_back("collection(\"EPEC_fsak.bdbxml\")/fs[f[@name=\"lema-osatua\"]/str=\"etxe\"]/@id");

  galderak.push_back("collection(\"EPEC_fsak.bdbxml\")/fs[f[@name=\"goimailako-ezaugarriak\"]/fs[@type=\"goimailako-ezaugarri-lista\"]/f[@name=\"AZP\"]/sym[@value=\"ERKARR\"]]/@id");
  galderak.push_back("collection(\"EPEC_fsak.bdbxml\")/fs[f[@name=\"goimailako-ezaugarriak\"]/fs[@type=\"goimailako-ezaugarri-lista\"]/f[@name=\"AZP\"]/sym[@value=\"ERKARR\"]]/@id");
  galderak.push_back("for $x in collection(\"EPEC_fsak.bdbxml\")/fs[f [@name=\"lema-osatua\"/str=\"etxe\"]/@id return $x");
  galderak.push_back("collection(\"EPEC_fsak.bdbxml\")/fs[f[@name=\"forma\"]/str=\"Bartzelonako\"\ and\ f[@name=\"goimailako-ezaugarriak\"]/fs[@type=\"goimailako-ezaugarri-lista\"][f[@name=\"KAT\"]/sym[@value=\"IZE\"]]/f[@name=\"AZP\"]/sym[@value=\"LIB\"]]/@id");
  galderak.push_back("collection(\"EPEC_fsak.bdbxml\")/fs[f[@name=\"forma\"]/str=\"Bartzelonako\"\ and\ f[@name=\"goimailako-ezaugarriak\"]/fs[@type=\"goimailako-ezaugarri-lista\"]]/@id ");
  galderak.push_back("collection(\"EPEC_fsak.bdbxml\")/fs[f[@name=\"forma\"]/str=\"Bartzelonako\"\ and\ f[@name=\"goimailako-ezaugarriak\"]/fs[@type=\"goimailako-ezaugarri-lista\"]/f[@name=\"KAT\"]/sym[@value=\"IZE\"]]/@id");
  galderak.push_back("collection(\"EPEC_fsak.bdbxml\")/fs[f[@name=\"goimailako-ezaugarriak\"]/fs[@type=\"goimailako-ezaugarri-lista\"][f[@name=\"KAT\"]/sym[@value=\"IZE\"]]/f[@name=\"AZP\"]/sym[@value=\"LIB\"]]/@id");
  galderak.push_back("collection(\"EPEC_fsak.bdbxml\")/fs[f[@name=\"lema-osatua\"]/str=\"Bartzelona\"\ and\ f[@name=\"goimailako-ezaugarriak\"]/fs[@type=\"goimailako-ezaugarri-lista\"][f[@name=\"KAT\"]/sym[@value=\"IZE\"]]/f[@name=\"AZP\"]/sym[@value=\"LIB\"]]/@id");
  galderak.push_back("collection(\"EPEC_fsak.bdbxml\")/fs[f[@name=\"lema-osatua\"]/str=\"Bartzelona\"\ and\ f[@name=\"goimailako-ezaugarriak\"]/fs[@type=\"goimailako-ezaugarri-lista\"][f[@name=\"KAT\"]/sym[@value=\"IZE\"]]/f[@name=\"AZP\"]/sym[@value=\"LIB\"]]");
  galderak.push_back("collection(\"EPEC_fsak.bdbxml\")/fs[f[@name=\"lema-osatua\"]/str=\"Bartzelona\"\ and\ .//f[@name=\"AZP\"]/sym[@value=\"LIB\"]]");
  galderak.push_back("collection(\"EPEC_fsak.bdbxml\")/fs[.//f[@name=\"KAT\"]/sym[@value=\"IZE_IZEELI\"]]/@id");
  // galderak.push_back("");
//   galderak.push_back("");
//   galderak.push_back("");
  std::string galdera;
  std::string edukiontzia = "EPEC_fsak.bdbxml";

  
  u_int32_t env_flags = DB_CREATE     |  // If the environment does not
                                         // exist, create it.
    DB_INIT_LOCK  |  // Initialize the locking subsystem
    DB_INIT_LOG   |  // Initialize the logging subsystem
    DB_INIT_MPOOL |  // Initialize the cache
    DB_INIT_TXN;     // Initialize transactions
  std::string envHome("/data2/export/testEnv");
  DbEnv  myEnv(0);
  try {
    myEnv.open(envHome.c_str(), env_flags, 0);
  } catch(DbException &e) {
    std::cerr << "1) Error opening database environment: "
              << envHome << std::endl;
    std::cerr << e.what() << std::endl;
  } catch(std::exception &e) {
    std::cerr << "2) Error opening database environment: "
              << envHome << std::endl;
    std::cerr << e.what() << std::endl;
  } 
  
  
  // Open an XmlManager.
  XmlManager myManager;

  // Create and open the container.
  XmlContainer myContainer1 = myManager.openContainer(edukiontzia);

   
  
  std::cout  << "galderak exekutatzen\n";
  
  for (int i=0;i<galderak.size();i++){
  XmlQueryContext theContext = myManager.createQueryContext();
  theContext.setEvaluationType(XmlQueryContext::Lazy);
  if (XmlQueryContext::Eager == theContext.getEvaluationType()){
    std::cout << "Eager modukoa da" << std::endl;
  }
  else {
    if (XmlQueryContext::Lazy == theContext.getEvaluationType()){
      std::cout << "Lazy modukoa da" << std::endl;
    }
    else 
      std::cout << "Ez dakigu ze modukoa den" << std::endl;
  }
    galdera = galderak.at(i);
    std::cout  << i << ". galdera exekutatzen\n";
    try {

      //std::string query = "collection('morf.dbxml')/fs[f_goimailako-ezaugarriak/fs_goimailako-ezaugarri-lista[f_KAT/sym=\"IZE\"]/f_AZP[sym=\"LIB\"]]/@id";
      //std::string query = "collection('EPEC_txikia_node.bdbxml)//fs/f[str=\"Galartza\"]";
      XmlQueryExpression qe = myManager.prepare(galdera, theContext);
      XmlResults results = qe.execute(theContext);
      //std::cout << "Found " << results.size() << " documents for query: '" << galdera << "'" << std::endl;
    
      if (verbose == true){
	XmlValue value;
	int i = 0;
	while (results.next(value)) {    
	  i++;
	  XmlDocument theDoc = value.asDocument();
	  std::string docName = theDoc.getName();
	  std::string docString = value.asString();
	  
	  //std::cout << "Document " << docName << ":" << std::endl;
	  //std::cout << docString << std::endl;
	  //std::cout << "===============================\n" << std::endl;
	}
    
	std::cout << "Emaitza kopurua:" << i << std::endl;
      }
      XmlContainer::ContainerType container = myContainer1.getContainerType();
      if (container==XmlContainer::NodeContainer)
	std::cout << "nodo modukoa da" << std::endl;
    } catch (XmlException &e) {
      std::cerr << "***errorea galdera egitean" << std::endl << e.what()<< std::endl;
      // Error handling goes here. You may want to check
      // for XmlException::UNIQUE_ERROR, which is raised
      // if a document with that name already exists in
      // the container. If this exception is thrown, 
      // try the put again with a different name, or
      // use XmlModify to update the document.
    }
  }
  try {
    myEnv.close(0);
  } catch(DbException &e) {
    std::cerr << "1) Error closing database environment: "
              << envHome << std::endl;
    std::cerr << e.what() << std::endl;
  } catch(std::exception &e) {
    std::cerr << "2) Error closing database environment: "
              << envHome << std::endl;
    std::cerr << e.what() << std::endl;
  } 
  std::cout << "bukatu da" << std::endl;
  return (0);

}