{
  lib,
  pkgs,
  inputs,
  ...
}: {
  programs.firefox = {
    enable = true;
    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}";}];
            iconUpdateURL = "https://nixos.wiki/favicon.png";
            updateInterval = 24 * 60 * 60 * 1000; # every day
            definedAliases = ["@nw"];
          };
          "Searx" = {
            urls = [{template = "https://search.jan-leila.com/?q={searchTerms}";}];
            iconUpdateURL = "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;

        # Usage Experiance
        "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 = [
        {
          name = "Media";
          url = "https://media.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 = [""];
        # }
      ];
    };
  };
}