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

with lib;
let
  cfg = config.modules.desktop.thumbnailers;
in {
  options.modules.desktop.thumbnailers = {
    enable = mkEnableOption "Enable a collection of thumbnailers";
  };

  config = mkIf cfg.enable {
    hm.home.packages = let
      mkThumbnailer = { name, mime, exec }: pkgs.writeTextFile {
        name = "${name}-thumbnailer";
        destination = "/share/thumbnailers/${name}.thumbnailer";
        text = ''
          [Thumbnailer Entry]
          Exec=${exec}
          MimeType=${mime}
        '';
      };
    in [
      # videos
      pkgs.ffmpegthumbnailer
      # krita
      (mkThumbnailer {
        name = "kra";
        mime = "application/x-krita";
        exec = "sh -c \"${pkgs.unzip}/bin/unzip -p %i preview.png > %o\"";
      })
    ];
  };
}