#ifndef SUBSTRING_OCCURRENCE_HDR
#define SUBSTRING_OCCURRENCE_HDR

#include "concordia/common/config.hpp"
#include <string>
#include <iostream>

/*!
  Class representing occurrence of a searched substring.
  It holds the following information:
  - id of the example where the substring was found
  - offset of the matched substring in this example
  - length of the example
*/

class SubstringOccurrence {
public:
    /*!
      Constructor.

    */
    SubstringOccurrence();

    /*!
      Constructor taking data from a marker.
        \param marker
    */
    explicit SubstringOccurrence(const SUFFIX_MARKER_TYPE & marker);

    /*!
      Constructor with three arguments.
        \param id example id
        \param offset offset of the substring in the example
        \param exampleLength length of the example
    */
    SubstringOccurrence(const SUFFIX_MARKER_TYPE & id,
                                const SUFFIX_MARKER_TYPE & offset,
                                const SUFFIX_MARKER_TYPE & exampleLength);
    /*! Destructor.
    */
    virtual ~SubstringOccurrence();

    /*! Getter for example id.
      \returns example id
    */
    SUFFIX_MARKER_TYPE getId() const {
        return _id;
    }

    /*! Getter for example offset
      \returns example offset
    */
    SUFFIX_MARKER_TYPE getOffset() const {
        return _offset;
    }

    /*! Getter for example length.
      \returns example length
    */
    SUFFIX_MARKER_TYPE getExampleLength() const {
        return _exampleLength;
    }

    /*! Setter of all the fields, based on input marker.
      \param marker marker to read the data from
    */
    void enterDataFromMarker(const SUFFIX_MARKER_TYPE & marker);

    friend std::ostream & operator << (std::ostream & o,
                                       const SubstringOccurrence & occurrence) {
        return o << "occurrence(exampleId=" << occurrence.getId()
                 << ", offset=" << occurrence.getOffset() << ")";
    }


private:
    SUFFIX_MARKER_TYPE _id;

    SUFFIX_MARKER_TYPE _offset;

    // the example
    SUFFIX_MARKER_TYPE _exampleLength;
};

#endif