SettingsStore.hpp

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/*
 * BastionGuard™
 * Copyright (C) 2025–2026 Calogero Scarnà
 *
 * 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, version 3.
 *
 * 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, see <https://www.gnu.org/licenses/>.
 *
 * BastionGuard™ is a trademark of Calogero Scarnà.
 * The BastionGuard™ name and branding are not licensed under the GPL.
 */
 
#pragma once
#include <string>
#include <vector>
#include <mutex>
#include <nlohmann/json.hpp>
 
class SettingsStore {
public:
    static void init();
    static void reload();
    static bool flush();
    static bool reset_to_defaults();
    static bool get_secure_payments_enabled();
    static void set_secure_payments_enabled(bool enabled);
 
    // ── Lingua UI ─────────────────────────────────────────────────────────────
    static std::string get_language();
    static void        set_language(const std::string& lang);
    static void        apply_language();
 
    // Accesso generico alle impostazioni — usato anche da altri binari
    static std::string get_string(const std::string& dotted_key, const std::string& fallback_default);
    static void        set_string(const std::string& dotted_key, const std::string& value);
    static void ensure_payments_json_exists();
    static std::vector<std::string> get_payment_domains();
    static bool save_payment_domains_user(const std::vector<std::string>& domains);
    static bool reset_payment_domains_from_system();
 
private:
    static std::string settings_file_path();
    static nlohmann::json defaults();
 
    static void ensure_loaded_locked();
    static bool load_from_disk_locked();
    static bool write_to_disk_locked(const nlohmann::json& j);
 
    static nlohmann::json* get_or_create_node_locked(nlohmann::json& root, const std::string& dotted_key);
    static const nlohmann::json* get_node_locked(const nlohmann::json& root, const std::string& dotted_key);
 
    static bool get_bool(const std::string& dotted_key, bool fallback_default);
    static void set_bool(const std::string& dotted_key, bool value);
 
    static int get_int(const std::string& dotted_key, int fallback_default);
    static void set_int(const std::string& dotted_key, int value);
 
    static std::string user_payments_path();
    static std::string system_payments_path();
    static nlohmann::json default_payments_seed();
 
    static bool read_json_file(const std::string& path, nlohmann::json& out);
    static bool write_json_atomic(const std::string& path, const nlohmann::json& j);
 
private:
    static std::mutex mtx_;
    static bool loaded_;
    static nlohmann::json cache_;
};