#ifndef CONCORDIA_HDR
#define CONCORDIA_HDR

#include <string>
#include <vector>
#include <boost/shared_ptr.hpp>
#include <boost/filesystem.hpp>

#include "concordia/concordia_config.hpp"
#include "concordia/concordia_index.hpp"
#include "concordia/index_searcher.hpp"
#include "build/libdivsufsort/include/divsufsort.h"


/*!
  The Concordia class is the main access point to the library.

*/

class Concordia {
public:
    /*! Constructor.
      \param configFilePath path to the Concordia configuration file
      \throws ConcordiaException
    */
    explicit Concordia(const std::string & configFilePath)
                                         throw(ConcordiaException);
    /*! Destructor.
    */
    virtual ~Concordia();

    /*! Getter for version.
      \returns version of the Concordia library.
    */
    std::string & getVersion();

    void addSentence(const std::string & sentence) throw(ConcordiaException);

    void addAllSentences(boost::shared_ptr<std::vector<std::string> > sentences)
                                                   throw(ConcordiaException);

    boost::shared_ptr<std::vector<saidx_t> > simpleSearch(
                                                   const std::string & pattern)
                                                      throw(ConcordiaException);

    void loadRAMIndexFromDisk() throw(ConcordiaException);

    void refreshSAfromRAM() throw(ConcordiaException);

private:
    void _initializeIndex() throw(ConcordiaException);

    static std::string _libraryVersion;

    boost::shared_ptr<ConcordiaConfig> _config;

    boost::shared_ptr<ConcordiaIndex> _index;

    boost::shared_ptr<IndexSearcher> _searcher;

    boost::shared_ptr<HashGenerator> _hashGenerator;

    boost::shared_ptr<std::vector<sauchar_t> > _T;

    boost::shared_ptr<std::vector<saidx_t> > _SA;
};

#endif