{
  config,
  lib,
  pkgs,
  ...
}:
with lib; let
  cfg = config.programs.fuzzel;
  iniFormat = pkgs.formats.ini {};
in {
  options = {
    programs.fuzzel = {
      enable = mkEnableOption "Fuzzel";

      package = mkOption {
        type = types.package;
        default = pkgs.fuzzel;
        defaultText = literalExpression "pkgs.fuzzel";
        description = "The Fuzzel package to install.";
      };

      settings = mkOption {
        type = iniFormat.type;
        default = {};
        example = literalExpression ''
          {
            window.dimensions = {
              lines = 3;
              columns = 200;
            };
            key_bindings = [
              {
                key = "K";
                mods = "Control";
                chars = "\\x0c";
              }
            ];
          }
        '';
        description = ''
          Configuration written to
          <filename>$XDG_CONFIG_HOME/fuzzel/fuzzel.ini</filename>.
        '';
      };
    };
  };

  config = mkMerge [
    (mkIf cfg.enable {
      home.packages = [cfg.package];

      xdg.configFile."fuzzel/fuzzel.ini" = mkIf (cfg.settings != {}) {
        # TODO: Replace by the generate function but need to figure out how to
        # handle the escaping first.
        #
        # source = yamlFormat.generate "alacritty.yml" cfg.settings;

        text =
          replaceStrings ["\\\\"] ["\\"] (builtins.toJSON cfg.settings);
      };
    })
  ];
}