{ config, pkgs, ... }:

{
  # Don't install all programs of the GNOME desktop.
  # https://nixos.wiki/wiki/GNOME#Excluding_some_GNOME_applications_from_the_default_install
  environment.gnome.excludePackages = (with pkgs; [
    gnome-photos
    gnome-tour
  ]) ++ (with pkgs.gnome; [
    cheese # Webcam viewer
    gnome-music # Music player
    epiphany # Web browser
    geary # Email
    gnome-characters
    #gnome-contacts
  ]);

  users.users.yoda = {
      packages = with pkgs; [
        # CLI apps
        gnumake # make
        wget
        htop
        killall

        # CCC Weather Workshop
        #
        # TODO: rdwd from Git, the packaged version is too old
        #
        # TODO: move to nix shell of weather Git repository
        #       (think of it as a docker container for the weather project: I don't need this elsewhere)
        # https://github.com/nix-community/nix-direnv
        #
        unzip
        (rWrapper.override{ packages = with rPackages; [ lubridate rdwd zoo ]; })

        # Graphical Apps
        gnome.gnome-tweaks
        gnome.dconf-editor
        tor-browser-bundle-bin # Tor web browser
        keepassxc # Password manager
        freetube # YouTube client
        veracrypt # Encrypted filesystem
        joplin-desktop # Markdown notes
        rnote # Handwritten notes
        xournalpp # Handwritte notes
        # For spellcheck, see here: https://nixos.wiki/wiki/LibreOffice#Spellcheck
        libreoffice-fresh # Office suite
        anki-bin # Flashcards
        signal-desktop # Signal client
        jetbrains.idea-ultimate # IDE
        libsForQt5.ghostwriter # Markdown editor
        transmission-gtk # BitTorrent client
        meld # Diff and merge tool
        handbrake # Rip DVD and Blu-ray; rotate and export videos

        # Matrix clients
        element-desktop
        #fluffychat
        # Web version: https://app.cinny.in/
        #cinny-desktop
        # E2E encryption is not yet implemented: https://gitlab.gnome.org/GNOME/fractal/-/issues/717
        #fractal
        #nheko
      ];
  };

  # There is a community project providing declarative Flatpak app installations:
  #   https://github.com/GermanBread/declarative-flatpak
  # This is probably a bit overkill for the few Flatpak apps I use.
  # Let's just use the default way:
  #   https://nixos.wiki/wiki/Flatpak
  services.flatpak.enable = true;
  #
  # TODO: These commands have to be executed manually.
  #   flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
  #   flatpak update
  #   # Trim, flip, rotate, crop and export individual clips.
  #   flatpak install io.gitlab.adhami3310.Footage
}