{ config, pkgs, lib, ... }: {

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    vim wget git ncdu btop
    gcc cmake valgrind clang-tools
    texliveFull

    vscodium
    gnome.nautilus
    libsForQt5.kalgebra
  ];

  services.flatpak.enable = true;
  xdg.portal = {
    enable = true;
    config.common.default = [ "gtk" ];
  };
  services.flatpak.remotes = lib.mkOptionDefault [{
    name = "flathub"; location = "https://dl.flathub.org/repo/flathub.flatpakrepo";
  }];
  services.flatpak.update.auto = {
    enable = true;
    onCalendar = "weekly";
  };

  services.flatpak.packages = [
    "org.mozilla.firefox"
    "md.obsidian.Obsidian"
    "org.mozilla.Thunderbird"
    "com.discordapp.Discord"
    "com.github.IsmaelMartinez.teams_for_linux"
    "org.signal.Signal"
    "org.telegram.desktop"
    "com.github.tchx84.Flatseal"
    "com.yubico.yubioath"
    "org.filezillaproject.Filezilla"
    "com.nextcloud.desktopclient.nextcloud"
    "org.gnome.moserial"
    "org.raspberrypi.rpi-imager"
    "org.sdrangel.SDRangel"
    "com.makemkv.MakeMKV"
    "fr.handbrake.ghb"
    "com.valvesoftware.Steam"
    "com.mojang.Minecraft"
    "org.gimp.GIMP"
    "org.inkscape.Inkscape"
    "org.videolan.VLC"
    "org.gnome.Rhythmbox3"
    "org.audacityteam.Audacity"
    "com.prusa3d.PrusaSlicer"
    "org.freecadweb.FreeCAD"
    "org.kicad.KiCad"
  ];
  services.flatpak.overrides = {
    global = {
      # Force Wayland by default
      Context.sockets = [
        "wayland" "!x11" "!fallback-x11"
      ];
      Context.filesystems = [
        "!host"
        "!home"
      ];
      Environment = {
        XCURSOR_PATH = "/run/host/user-share/icons:/run/host/share/icons"; # Fix un-themed cursor in some Wayland apps
        GTK_THEME = "Adwaita:dark"; # Force correct theme for some GTK apps
      };
    };

    "md.obsidian.Obsidian".Context = {
      filesystems = [
        "~/.ssh:ro"
        "xdg-config/git:ro"
        "~/git/kladjes:rw"
        "!/run/media" "!/media" "!/mnt"
      ];
    };

    "org.filezillaproject.Filezilla".Context = {
      filesystems = [
        "xdg-documents:rw"
        "xdg-downloads:rw"
      ];
    };

    "com.nextcloud.desktopclient.nextcloud".Context = {
      filesystems = [
        "~/datatjes:rw"
      ];
    };

    "org.gimp.GIMP".Context = {
      filesystems = [
        "xdg-documents:rw"
        "xdg-downloads:rw"
      ];
    };

    "org.inkscape.Inkscape".Context = {
      filesystems = [
        "xdg-documents:rw"
        "xdg-downloads:rw"
      ];
    };

    "org.videolan.VLC".Context = {
      filesystems = [
        "xdg-videos"
      ];
    };

    "org.audacityteam.Audacity".Context = {
      filesystems = [
        "xdg-documents:rw"
        "xdg-downloads:rw"
      ];
    };

    "com.prusa3d.PrusaSlicer".Context = {
      filesystems = [
        "xdg-documents:rw"
        "xdg-downloads:rw"
      ];
    };

    "org.freecadweb.FreeCAD".Context = {
      filesystems = [
        "xdg-documents:rw"
        "xdg-downloads:rw"
      ];
    };

    "org.kicad.KiCad".Context = {
      filesystems = [
        "xdg-documents:rw"
        "xdg-downloads:rw"
      ];
    };
  };
}