{
  lib,
  config,
  pkgs,
  ...
}: let
  cfg = config.david.programs.zen-browser;
in {
  options = {
    david.programs.zen-browser = {
      enable = lib.mkEnableOption "zen-browser";
    };
  };
  config = lib.mkIf cfg.enable {
    stylix.targets.zen-browser.enable = false;
    programs.zen-browser = {
      enable = true;
      profiles.default = {
        name = "default";
        isDefault = true;
        extensions = {
          packages = with pkgs.nur.repos.rycee.firefox-addons; [
            immersive-translate
            tridactyl
            redirector
          ];
        };
        search = {
          force = true;
          default = "ddg";
          engines = {
            "Guix Packages" = {
              urls = [
                {
                  template = "https://packages.guix.gnu.org/search/";
                  params = [
                    {
                      name = "query";
                      value = "{searchTerms}";
                    }
                  ];
                }
              ];
              definedAliases = ["@gp"];
            };
            "Nix Packages" = {
              urls = [
                {
                  template = "https://search.nixos.org/packages";
                  params = [
                    {
                      name = "type";
                      value = "packages";
                    }
                    {
                      name = "query";
                      value = "{searchTerms}";
                    }
                  ];
                }
              ];
              icon = "${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake.svg";
              definedAliases = ["@np"];
            };
            "Nix Options" = {
              urls = [
                {
                  template = "https://search.nixos.org/options";
                  params = [
                    {
                      name = "channel";
                      value = "unstable";
                    }
                    {
                      name = "query";
                      value = "{searchTerms}";
                    }
                  ];
                }
              ];
              definedAliases = ["@no"];
            };
            "Home Manager Options" = {
              urls = [
                {
                  template = "https://home-manager-options.extranix.com";
                  params = [
                    {
                      name = "query";
                      value = "{searchTerms}";
                    }
                    {
                      name = "release";
                      value = "master";
                    }
                  ];
                }
              ];
              definedAliases = ["@hm"];
            };
            "Nix Flakes" = {
              urls = [
                {
                  template = "https://search.nixos.org/flakes";
                  params = [
                    {
                      name = "channel";
                      value = "unstable";
                    }
                    {
                      name = "query";
                      value = "{searchTerms}";
                    }
                  ];
                }
              ];
              definedAliases = ["@nf"];
            };
            "NixOS Wiki" = {
              urls = [
                {
                  template = "https://wiki.nixos.org/w/index.php";
                  params = [
                    {
                      name = "search";
                      value = "{searchTerms}";
                    }
                  ];
                }
              ];
              definedAliases = ["@nw"];
            };
            "Rust Stdandard Lib" = {
              urls = [
                {
                  template = "https://doc.rust-lang.org/nightly/std/index.html";
                  params = [
                    {
                      name = "search";
                      value = "{searchTerms}";
                    }
                  ];
                }
              ];
              definedAliases = ["@rs"];
            };
            "GitHub" = {
              urls = [
                {
                  template = "https://github.com/search";
                  params = [
                    {
                      name = "q";
                      value = "{searchTerms}";
                    }
                    {
                      name = "type";
                      value = "repositories";
                    }
                  ];
                }
              ];
              definedAliases = ["@gh"];
            };
            "Rust Reference" = {
              urls = [
                {
                  template = "https://doc.rust-lang.org/nightly/reference";
                  params = [
                    {
                      name = "search";
                      value = "{searchTerms}";
                    }
                  ];
                }
              ];
              definedAliases = ["@rr"];
            };
            "Rust Crates" = {
              urls = [
                {
                  template = "https://crates.io/search";
                  params = [
                    {
                      name = "q";
                      value = "{searchTerms}";
                    }
                  ];
                }
              ];
              definedAliases = ["@rc"];
            };
            "C++ Reference" = {
              urls = [
                {
                  template = "https://duckduckgo.com/";
                  params = [
                    {
                      name = "q";
                      value = "{searchTerms}";
                    }
                    {
                      name = "sites";
                      value = "cppreference.com";
                    }
                  ];
                }
              ];
              definedAliases = ["@cr"];
            };
            "bing".metaData.hidden = true;
            "google".metaData.alias = "@g"; # builtin engines only support specifying one additional alias
          };
        };
      };
      policies = {
        DisableAppUpdate = true;
        Preferences = let
          mkLockedAttrs = builtins.mapAttrs (_: value: {
            Value = value;
            Status = "locked";
          });
        in
          mkLockedAttrs {
            "browser.tabs.closeTabByDblclick" = true;
          };
      };
    };
  };
}