/*
 * 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 <gtkmm.h>
#include <thread>
#include <atomic>
#include <vector>
#include <string>
#include <set>
#include <queue>
#include <filesystem>

#include "LifetimeGuard.hpp"

class PrivacyPage : public Gtk::Box {
public:
    PrivacyPage();
    ~PrivacyPage();

private:

    Gtk::Label lbl_title_;
    Gtk::Switch switch_webcam_;
    Gtk::Button btn_refresh_;
    Gtk::CheckButton chk_auto_refresh_;
    Gtk::ScrolledWindow scroller_;
    Gtk::TextView txt_processes_;
    Gtk::Label lbl_status_;


    std::thread monitor_thread_;
    std::atomic<bool> monitor_running_{false};
    std::set<std::string> known_processes_;
    sigc::connection auto_refresh_conn_;

    void run_privacy_script_async(bool unblock);


    std::atomic<bool> toggle_busy_{false};


    bool is_daemon_active();
    void start_privacy_daemon();
    void unblock_devices_local();


    void save_privacy_state(bool enabled);
    bool load_privacy_state();


    std::vector<std::string> detect_active_devices();
    void start_monitor_thread();
    void monitor_loop();


    void show_permission_popup(const std::string &process_name);
    void show_next_alert();


    void on_toggle_privacy();
    void on_refresh_clicked();
    void setup_auto_refresh_toggle();
    void update_process_list();
    Gtk::Button btn_unlock_;
    std::atomic<bool> devices_blocked_{false};
    void manual_unlock_devices();

    void write_log(const std::string& msg);

    // Alive flag per proteggere i molti signal_idle().connect_once con
    // [this] da use-after-free se la pagina viene distrutta prima che
    // il main loop processi la coda di idle callbacks.
    BastionGuard::AliveFlag alive_ = BastionGuard::make_alive_flag();
};