{ config, ... }:
{
  programs.gallery-dl = {
    settings.extractor = {
      base-directory = "${config.xdg.userDirs.pictures}/gallery-dl";

      postprocessors = [
        {
          name = "metadata";
          mode = "json";
          whitelist = [
            "danbooru"
            "moebooru"
            "gelbooru"
            "sankaku"
            "nhentai"
            "rule34"
          ];
        }
        {
          name = "zip";
          compression = "store";
          extension = "cbz";
          filter = "extension not in ('zip', 'rar')";
          whitelist = [
            "nhentai"
            "mangadex"
          ];
        }
      ];

      Danbooru.metadata = true;

      reddit = {
        archive-format = "s_{subreddit}{filename}";
        directory = {
          "locals().get('is_gallery')" = [
            "Reddit"
            "S"
            "{subreddit!C}"
            "{title[:120]!t:?/_/R /_/}{id}"
          ];
          "" = [
            "Reddit"
            "S"
            "{subreddit!C}"
          ];
        };

        filename = {
          "locals().get('is_gallery')" = "{title[:120]!t:?/_/R /_/}{id}{num:?_//>02}.{extension}";
          "" = "{title[:120]!t:?/_/R /_/}{id}.{extension}";
        };
      };

      artstation.external = true; # Try to follow external URLs of embedded players.

      ao3.formats = [
        "pdf"
        "epub"
        "html"
      ];

      bluesky = {
        include = [ "all" ]; # List of subcategories to include when processing a **user profile**.
        metadata = [
          "facets"
          "user"
        ];
        quoted = true; # Fetch media from quoted posts.
      };

    }; # End of settings.extractor
  }; # End of programs.gallery-dl
}