{
  lib,
  pkgs,
  inputs,
  ...
}: {
  config = {
    programs.firefox = {
      profiles.leyla = {
        settings = {
          "browser.search.defaultenginename" = "Searx";
          "browser.search.order.1" = "Searx";
        };

        search = {
          force = true;
          default = "Searx";
          engines = {
            "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"];
            };
            "NixOS Wiki" = {
              urls = [{template = "https://nixos.wiki/index.php?search={searchTerms}";}];
              icon = "https://nixos.wiki/favicon.png";
              updateInterval = 24 * 60 * 60 * 1000; # every day
              definedAliases = ["@nw"];
            };
            "Searx" = {
              urls = [{template = "https://search.jan-leila.com/?q={searchTerms}";}];
              icon = "https://nixos.wiki/favicon.png";
              updateInterval = 24 * 60 * 60 * 1000; # every day
              definedAliases = ["@searx"];
            };
          };
        };

        extensions.packages = with inputs.firefox-addons.packages.${pkgs.system}; [
          bitwarden
          terms-of-service-didnt-read
          multi-account-containers
          shinigami-eyes

          ublock-origin
          sponsorblock
          dearrow
          df-youtube
          return-youtube-dislikes

          privacy-badger
          decentraleyes
          clearurls
          localcdn

          snowflake

          deutsch-de-language-pack
          dictionary-german

          # (
          #   buildFirefoxXpiAddon rec {
          #     pname = "italiano-it-language-pack";
          #     version = "132.0.20241110.231641";
          #     addonId = "langpack-it@firefox.mozilla.org";
          #     url = "https://addons.mozilla.org/firefox/downloads/file/4392453/italiano_it_language_pack-${version}.xpi";
          #     sha256 = "";
          #     meta = with lib;
          #     {
          #       description = "Firefox Language Pack for Italiano (it) – Italian";
          #       license = licenses.mpl20;
          #       mozPermissions = [];
          #       platforms = platforms.all;
          #     };
          #   }
          # )
          # (
          #   buildFirefoxXpiAddon rec {
          #     pname = "dizionario-italiano";
          #     version = "5.1";
          #     addonId = "it-IT@dictionaries.addons.mozilla.org";
          #     url = "https://addons.mozilla.org/firefox/downloads/file/1163874/dizionario_italiano-${version}.xpi";
          #     sha256 = "";
          #     meta = with lib;
          #     {
          #       description = "Add support for Italian to spellchecking";
          #       license = licenses.gpl3;
          #       mozPermissions = [];
          #       platforms = platforms.all;
          #     };
          #   }
          # )
        ];

        settings = {
          # Disable irritating first-run stuff
          "browser.disableResetPrompt" = true;
          "browser.download.panel.shown" = true;
          "browser.feeds.showFirstRunUI" = false;
          "browser.messaging-system.whatsNewPanel.enabled" = false;
          "browser.rights.3.shown" = true;
          "browser.shell.checkDefaultBrowser" = false;
          "browser.shell.defaultBrowserCheckCount" = 1;
          "browser.startup.homepage_override.mstone" = "ignore";
          "browser.uitour.enabled" = false;
          "startup.homepage_override_url" = "";
          "trailhead.firstrun.didSeeAboutWelcome" = true;
          "browser.bookmarks.restore_default_bookmarks" = false;
          "browser.bookmarks.addedImportButton" = true;
          "browser.newtabpage.activity-stream.feeds.section.topstories" = false;

          # Usage Experience
          "browser.startup.homepage" = "about:home";
          "browser.download.useDownloadDir" = false;
          "browser.uiCustomization.state" = builtins.toJSON {
            "currentVersion" = 20;
            "newElementCount" = 6;
            "dirtyAreaCache" = [
              "nav-bar"
              "PersonalToolbar"
              "toolbar-menubar"
              "TabsToolbar"
              "unified-extensions-area"
              "vertical-tabs"
            ];
            "placements" = {
              "widget-overflow-fixed-list" = [];
              "unified-extensions-area" = [
                "privacy_privacy_com-browser-action"
                # bitwarden
                "_446900e4-71c2-419f-a6a7-df9c091e268b_-browser-action"
                "ublock0_raymondhill_net-browser-action"
                "sponsorblocker_ajay_app-browser-action"
                "dearrow_ajay_app-browser-action"
                "jid1-mnnxcxisbpnsxq_jetpack-browser-action"
                "_testpilot-containers-browser-action"
                "addon_simplelogin-browser-action"
                "_74145f27-f039-47ce-a470-a662b129930a_-browser-action"
                "jid1-bofifl9vbdl2zq_jetpack-browser-action"
                "dfyoutube_example_com-browser-action"
                "_b86e4813-687a-43e6-ab65-0bde4ab75758_-browser-action"
                "_762f9885-5a13-4abd-9c77-433dcd38b8fd_-browser-action"
                "_b11bea1f-a888-4332-8d8a-cec2be7d24b9_-browse-action"
                "jid0-3guet1r69sqnsrca5p8kx9ezc3u_jetpack-browser-action"
              ];
              "nav-bar" = [
                "back-button"
                "forward-button"
                "stop-reload-button"
                "urlbar-container"
                "downloads-button"
                "unified-extensions-button"
                "reset-pbm-toolbar-button"
              ];
              "toolbar-menubar" = [
                "menubar-items"
              ];
              "TabsToolbar" = [
                "firefox-view-button"
                "tabbrowser-tabs"
                "new-tab-button"
                "alltabs-button"
              ];
              "vertical-tabs" = [];
              "PersonalToolbar" = [
                "import-button"
                "personal-bookmarks"
              ];
            };
            "seen" = [
              "save-to-pocket-button"
              "developer-button"
              "privacy_privacy_com-browser-action"
              "sponsorblocker_ajay_app-browser-action"
              "ublock0_raymondhill_net-browser-action"
              "addon_simplelogin-browser-action"
              "dearrow_ajay_app-browser-action"
              "_446900e4-71c2-419f-a6a7-df9c091e268b_-browser-action"
              "_74145f27-f039-47ce-a470-a662b129930a_-browser-action"
              "jid1-bofifl9vbdl2zq_jetpack-browser-action"
              "dfyoutube_example_com-browser-action"
              "_testpilot-containers-browser-action"
              "_b86e4813-687a-43e6-ab65-0bde4ab75758_-browser-action"
              "jid1-mnnxcxisbpnsxq_jetpack-browser-action"
              "_762f9885-5a13-4abd-9c77-433dcd38b8fd_-browser-action"
              "_b11bea1f-a888-4332-8d8a-cec2be7d24b9_-browser-action"
              "jid0-3guet1r69sqnsrca5p8kx9ezc3u_jetpack-browser-action"
            ];
          };
          "browser.newtabpage.activity-stream.feeds.topsites" = false;
          "browser.newtabpage.activity-stream.showSponsoredTopSites" = false;
          "browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcuts" = false;
          "browser.newtabpage.blocked" = lib.genAttrs [
            # Facebook
            "4gPpjkxgZzXPVtuEoAL9Ig=="
            # Reddit
            "gLv0ja2RYVgxKdp0I5qwvA=="
            # Amazon
            "K00ILysCaEq8+bEqV/3nuw=="
            # Twitter
            "T9nJot5PurhJSy8n038xGA=="
          ] (_: 1);
          "identity.fxaccounts.enabled" = false;

          # Security
          "privacy.trackingprotection.enabled" = true;
          "dom.security.https_only_mode" = true;

          "extensions.formautofill.addresses.enabled" = false;
          "extensions.formautofill.creditCards.enabled" = false;
          "signon.rememberSignons" = false;
          "privacy.sanitize.sanitizeOnShutdown" = true;
          "privacy.clearOnShutdown_v2.cache" = true;
          "privacy.clearOnShutdown_v2.cookiesAndStorage" = true;
          "privacy.clearOnShutdown_v2.historyFormDataAndDownloads" = true;
          "urlclassifier.trackingSkipURLs" = "";
          "urlclassifier.features.socialtracking.skipURLs" = "";
          "dom.security.https_only_mode_pbm" = true;
          "dom.security.https_only_mode_error_page_user_suggestions" = true;

          # Disable telemetry
          "app.shield.optoutstudies.enabled" = false;
          "browser.discovery.enabled" = false;
          "browser.newtabpage.activity-stream.feeds.telemetry" = false;
          "browser.newtabpage.activity-stream.telemetry" = false;
          "browser.ping-centre.telemetry" = false;
          "datareporting.healthreport.service.enabled" = false;
          "datareporting.healthreport.uploadEnabled" = false;
          "datareporting.policy.dataSubmissionEnabled" = false;
          "datareporting.sessions.current.clean" = true;
          "devtools.onboarding.telemetry.logged" = false;
          "toolkit.telemetry.archive.enabled" = false;
          "toolkit.telemetry.bhrPing.enabled" = false;
          "toolkit.telemetry.enabled" = false;
          "toolkit.telemetry.firstShutdownPing.enabled" = false;
          "toolkit.telemetry.hybridContent.enabled" = false;
          "toolkit.telemetry.newProfilePing.enabled" = false;
          "toolkit.telemetry.prompted" = 2;
          "toolkit.telemetry.rejected" = true;
          "toolkit.telemetry.reportingpolicy.firstRun" = false;
          "toolkit.telemetry.server" = "";
          "toolkit.telemetry.shutdownPingSender.enabled" = false;
          "toolkit.telemetry.unified" = false;
          "toolkit.telemetry.unifiedIsOptIn" = false;
          "toolkit.telemetry.updatePing.enabled" = false;
        };

        bookmarks = {
          force = true;
          settings = [
            {
              name = "Media";
              url = "https://media.jan-leila.com/";
              keyword = "";
              tags = [""];
            }
            {
              name = "Photos";
              url = "https://photos.jan-leila.com";
              keyword = "";
              tags = [""];
            }
            {
              name = "Git";
              url = "https://git.jan-leila.com/";
              keyword = "";
              tags = [""];
            }
            {
              name = "Home Automation";
              url = "https://home.jan-leila.com/";
              keyword = "";
              tags = [""];
            }
            {
              name = "Mail";
              url = "https://mail.protonmail.com";
              keyword = "";
              tags = [""];
            }
            {
              name = "Open Street Map";
              url = "https://www.openstreetmap.org/";
              keyword = "";
              tags = [""];
            }
            {
              name = "Password Manager";
              url = "https://vault.bitwarden.com/";
              keyword = "";
              tags = [""];
            }
            {
              name = "Mastodon";
              url = "https://mspsocial.net";
              keyword = "";
              tags = [""];
            }
            {
              name = "Linked In";
              url = "https://www.linkedin.com/";
              keyword = "";
              tags = [""];
            }
            {
              name = "Job Search";
              url = "https://www.jobsinnetwork.com/?state=cleaned_history&language%5B%5D=en&query=react&locations.countryCode%5B%5D=IT&locations.countryCode%5B%5D=DE&locations.countryCode%5B%5D=NL&experience%5B%5D=medior&experience%5B%5D=junior&page=1";
              keyword = "";
              tags = [""];
            }
            {
              name = "React Docs";
              url = "https://react.dev/";
              keyword = "";
              tags = [""];
            }
            # Template
            # {
            #   name = "";
            #   url = "";
            #   keyword = "";
            #   tags = [""];
            # }
          ];
        };
      };
    };
  };
}