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

{
  home.packages = [ pkgs.waypaper ];

  home.activation.configureWaypaper = lib.hm.dag.entryAfter ["writeBoundary"] ''
    CONFIG_FILE="${config.home.homeDirectory}/.config/waypaper/config.ini"

    if [ ! -f "$CONFIG_FILE" ]; then
      echo "Erstelle Standard-Waypaper-Konfiguration..."
      mkdir -p "$(dirname "$CONFIG_FILE")"

      cat > "$CONFIG_FILE" <<EOF
    [Settings]
    language = en
    folder = ${config.home.homeDirectory}/nixos/wallpaper
    wallpaper = ${config.home.homeDirectory}/nixos/wallpaper/current_wallpaper
    backend = swww
    monitors = All
    fill = fill
    sort = name
    color = #ffffff
    subfolders = False
    show_hidden = False
    show_gifs_only = False
    post_command = cp "\$wallpaper" "${config.home.homeDirectory}/nixos/wallpaper/current_wallpaper" && matugen image "\$wallpaper" --type scheme-vibrant && sleep 0.5 && pkill -USR2 waybar && systemctl --user restart swaync
    number_of_columns = 3
    swww_transition_type = fade
    swww_transition_step = 90
    swww_transition_angle = 0
    swww_transition_duration = 2
    EOF
    fi
  '';
}