/*
 * This file is part of smolbote. It's copyrighted by the contributors recorded
 * in the version control history of the file, available from its original
 * location: https://neueland.iserlohn-fortress.net/smolbote.hg
 *
 * SPDX-License-Identifier: GPL-3.0
 */

#ifndef CONFIGURATION_H
#define CONFIGURATION_H

#include <optional>
#include <string>
#include <vector>
#include <QString>
#include <boost/program_options.hpp>
#include <QStringList>

class Configuration
{
public:
    explicit Configuration(const QStringList &options = QStringList());
    ~Configuration();

    bool read(const QString &path);

    template <typename T>
    std::optional<T> value(const char *path) const
    {
        // if setting doesn't exist, we crash
        // in debug builds, check if setting exists
#ifdef QT_DEBUG
        if(vm.count(path) == 0) {
            qWarning("value(%s) does not exist, probably crashing now", path);
        }
#endif

        if constexpr(std::is_same_v<T, std::string>) {
            std::string r = vm[path].as<std::string>();

            // check if it's a path
            if(r.front() == '~') {
                r.replace(0, 1, m_homePath);
            }

            return std::optional<std::string>(r);
        } else
            return std::optional<T>(vm[path].as<T>());
    }

private:
    boost::program_options::options_description desc;
    boost::program_options::variables_map vm;

    std::string m_homePath;
};

#endif // CONFIGURATION_H