/**
 * UGENE - Integrated Bioinformatics Tools.
 * Copyright (C) 2008-2025 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 <U2Core/ExternalToolRunTask.h>
#include <U2Core/Task.h>
#include <U2Core/global.h>

#include <U2Lang/LocalDomain.h>

namespace U2 {

class LoadDocumentTask;

namespace LocalWorkflow {

class CallVariantsTaskSettings {
public:
    QString variationsUrl;
    QList<QString> assemblyUrls;
    QString refSeqUrl;  // TODO: change to sequence ID

    // mpileup
    bool illumina13;
    bool use_orphan;
    bool disable_baq;
    int capq_thres;
    int max_depth;
    bool ext_baq;
    QByteArray bed;
    QByteArray reg;
    int min_mq;
    int min_baseq;
    int extq;
    int tandemq;
    bool no_indel;
    int max_indel_depth;
    int openq;
    QByteArray pl_list;

    // bcf view
    bool keepalt;
    bool fix_pl;
    bool no_geno;
    bool acgt_only;
    QByteArray bcf_bed;
    bool qcall;
    QByteArray samples;
    float min_smpl_frac;
    bool call_gt;
    float indel_frac;
    float pref;
    QByteArray ptype;
    float theta;
    QByteArray ccall;
    int n1;
    int n_perm;
    float min_perm_p;

    // varFilter
    int minQual;
    int minDep;
    int maxDep;
    int minAlt;
    int gapSize;
    int window;
    float pvalue1;
    double pvalue2;
    float pvalue3;
    float pvalue4;
    float pvalueHwe;
    bool printFiltered;

    QStringList getMpiliupArgs() const;
    QStringList getBcfViewArgs() const;
    QStringList getVarFilterArgs() const;
};

class SamtoolsMpileupTask : public ExternalToolSupportTask {
    Q_OBJECT
public:
    SamtoolsMpileupTask(const CallVariantsTaskSettings& settings);

    void prepare();
    void run();

private:
    void start(const ProcessRun& pRun, const QString& toolName);
    void checkExitCode(QProcess* process, const QString& toolName);

private:
    CallVariantsTaskSettings settings;

    // The following constants are taken from the appropriate files in external_tool_support plugin
    static const QString SAMTOOLS_ID;
    static const QString BCFTOOLS_ID;
    static const QString VCFUTILS_ID;
};

class CallVariantsTask : public ExternalToolSupportTask {
    Q_OBJECT
public:
    CallVariantsTask(const CallVariantsTaskSettings& _settings, DbiDataStorage* _store);

    void prepare();
    QList<Task*> onSubTaskFinished(Task* subTask);

    const QList<QVariantMap>& getResults() {
        return results;
    }
    QString getResultUrl() {
        return settings.variationsUrl;
    }
    void clearResults() {
        results.clear();
    }

    static QString tmpFilePath(const QString& baseName, const QString& ext, U2OpStatus& os);

private:
    enum FileType { Reference,
                    Assembly };
    static QString toString(FileType type);
    bool ensureFileExists(const QString& url, FileType type);

private:
    CallVariantsTaskSettings settings;
    LoadDocumentTask* loadTask;
    SamtoolsMpileupTask* mpileupTask;
    DbiDataStorage* storage;
    QList<QVariantMap> results;
};

}  // namespace LocalWorkflow
}  // namespace U2

