/*
 * Copyright (c) 2015, Technische Universität Kaiserslautern
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors:
 *    Janik Schlemminger
 *    Robert Gernhardt
 *    Matthias Jung
 *    Felipe S. Prado
 *    Derek Christ
 */

#ifndef PYTHONCALLER_H
#define PYTHONCALLER_H

// Workaround for CMAKE and Python
#ifdef slots
#undef slots
#endif

#include <Python.h>
#include <QString>
#include <string>
#include <map>
#include "businessObjects/tracecalculatedmetrics.h"

class PythonCaller
{
public:
    static PythonCaller &instance();

    TraceCalculatedMetrics calculateMetricsOnTrace(QString pathToTrace,
                                                   std::vector<long> list);
    std::vector<std::string> getMetrics(QString pathToTrace);
    QString generatePlotsOnTrace(QString pathToTrace);

    bool vcdExportDependenciesAvailable();
    QString exportAsVcd(QString pathToTrace);

private:
    PythonCaller();
    ~PythonCaller();
    PythonCaller(const PythonCaller &other) = delete;
    PythonCaller &operator=(const PythonCaller &other) = delete;

    PyObject *pCalculateMetricsFunction, *pGetMetricsFunction;
    PyObject *pGenPlotsFunction;
    PyObject *pVcdExportFunction = nullptr;
    PyObject *pVcdExportDependenciesFunction;
    PyObject *loadFunctionFromModule(std::string moduleName,
                                     std::string functionName);
    std::string metricModuleName, metricFunctionName, getMetricFunctionName, pathToScripts;
    std::string plotsModuleName;
    std::string plotsFunctionName;

    std::string checkDependenciesModuleName;

    std::string vcdExportModuleName;
    std::string vcdExportFunctionName;
    std::string vcdExportDependenciesFunctionName;

    PyObject *callFunctionWithStringArgument(PyObject *function, QString argument);
    PyObject *callFunctionWithoutArguments(PyObject *function);
    PyObject *callMetricsFunction(PyObject *function, QString argument,
                                  std::vector<long> list);
};

#endif // PYTHONCALLER_H


