OpenRGB/SettingsManager.h

/*---------------------------------------------------------*\
| SettingsManager.h                                         |
|                                                           |
|   OpenRGB Settings Manager maintains a list of application|
|   settings in JSON format.  Other components may register |
|   settings with this class and store/load values.         |
|                                                           |
|   Adam Honse (CalcProgrammer1)                04 Nov 2020 |
|                                                           |
|   This file is part of the OpenRGB project                |
|   SPDX-License-Identifier: GPL-2.0-or-later               |
\*---------------------------------------------------------*/

#pragma once

#include <nlohmann/json.hpp>
#include <mutex>
#include "filesystem.h"

using json = nlohmann::json;

class SettingsManagerInterface
{
public:
    virtual json GetSettings(std::string settings_key)                       = 0;
    virtual void SetSettings(std::string settings_key, json new_settings)    = 0;

    virtual void LoadSettings(const filesystem::path& filename)              = 0;
    virtual void SaveSettings()                                              = 0;

protected:
    virtual ~SettingsManagerInterface() {};
};

class SettingsManager: public SettingsManagerInterface
{
public:
    SettingsManager();
    ~SettingsManager();

    json GetSettings(std::string settings_key) override;
    void SetSettings(std::string settings_key, json new_settings) override;

    void LoadSettings(const filesystem::path& filename) override;
    void SaveSettings() override;

private:
    json             settings_data;
    json             settings_prototype;
    filesystem::path settings_filename;
    std::mutex       mutex;
    bool             config_found;
};