/**
 * UGENE - Integrated Bioinformatics Tools.
 * Copyright (C) 2008-2023 UniPro <ugene@unipro.ru>
 * http://ugene.net
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#pragma once

#include <QString>

#include <U2Core/Task.h>

namespace U2 {

class DNAAlphabet;

enum RFAlgorithm {
    RFAlgorithm_Auto,
    RFAlgorithm_Diagonal,
    RFAlgorithm_Suffix
};

enum RepeatsFilterAlgorithm {
    DisjointRepeats,
    NoFiltering,
    UniqueRepeats
};

class RFResult {
public:
    RFResult()
        : x(0), y(0), l(0), c(0) {
    }

    RFResult(int _x, int _y, int _len, int _c = 0)
        : x(_x), y(_y), l(_len) {  // if not specified, repeats have no mismatches
        if (_c == 0)
            c = l;
        else
            c = _c;
    }

    RFResult(int _x, int _y, int _len, int _c, QString _fragment)
        : fragment(_fragment), x(_x), y(_y), l(_len), c(_c) {
        if (_c == 0)
            c = l;
        else
            c = _c;
    }

    bool operator==(const RFResult& r) const {
        return x == r.x && y == r.y && l == r.l;
    }
    bool operator!=(const RFResult& r) const {
        return !(*this == r);
    }
    bool operator<(const RFResult& r) const {
        return (x != r.x) ? x < r.x : (y != r.y) ? y < r.y
                                                 : (l < r.l);
    }

    QString fragment;
    int x;
    int y;
    int l;
    int c;  // matches
};

class RFResultsListener {
public:
    virtual void onResult(const RFResult& r) = 0;
    virtual void onResults(const QVector<RFResult>& v) = 0;
};

struct RepeatFinderSettings {
    RepeatFinderSettings()
        : l(nullptr), seqX(nullptr), sizeX(0), inverted(false),
          seqY(nullptr), sizeY(0),
          al(nullptr), w(0), mismatches(0),
          alg(RFAlgorithm_Auto), nThreads(0) {
    }

    RepeatFinderSettings(
        RFResultsListener* _l,
        const char* _seqX,
        int _sizeX,
        bool _inverted,
        const char* _seqY,
        int _sizeY,
        const DNAAlphabet* _al,
        int _w,
        int _mismatches,
        RFAlgorithm _alg,
        int _nThreads = MAX_PARALLEL_SUBTASKS_AUTO)
        : l(_l), seqX(_seqX), sizeX(_sizeX), inverted(_inverted),
          seqY(_seqY), sizeY(_sizeY),
          al(_al), w(_w), mismatches(_mismatches),
          alg(_alg), nThreads(_nThreads) {
    }

    RFResultsListener* l;
    const char* seqX;
    int sizeX;
    bool inverted;
    const char* seqY;
    int sizeY;
    const DNAAlphabet* al;
    int w;
    int mismatches;
    RFAlgorithm alg;
    int nThreads;

    bool operator==(const RepeatFinderSettings& op) const {
        return l == op.l &&
               seqX == op.seqX &&
               sizeX == op.sizeX &&
               inverted == op.inverted &&
               seqY == op.seqY &&
               sizeY == op.sizeY &&
               al == op.al &&
               w == op.w &&
               mismatches == op.mismatches &&
               alg == op.alg &&
               nThreads == op.nThreads;
    }
};

}  // namespace U2
