{ pkgs, inputs, system, ... }:
{
    programs.firefox = {
        enable = true;
        policies =  {
            ExtensionSettings = {
                # Force install alpenglow theme (why wouldn't you want it)
                "firefox-alpenglow@mozilla.org" = {
                    install_url = "https://addons.mozilla.org/firefox/downloads/latest/firefox-alpenglow/latest.xpi";
                    installation_mode = "force_installed";
                };
            };
        };
        profiles = {
            default = {
                id = 0;
                name = "default";
                isDefault = true;

                # Settings
                settings = {
                    # Theming
                    "extensions.activeThemeID" = "firefox-alpenglow@mozilla.org"; # Purple
                    "browser.tabs.inTitlebar" = 0; # Enable native title bar
                    "browser.uidensity" = 2; # Touchscreen density
                    "browser.newtab.extensionControlled" = true; # Tabliss
                    "browser.startup.homepage_override.extensionControlled" = true; # More tabliss

                    # Extensions
                    "extensions.autoDisableScopes" = 0; # Auto enable extensions

                    # Basic options
                    "privacy.userContext.newTabContainerOnLeftClick.enabled" = true; # Container selection on +

                    # Toolbar customization
                    "browser.uiCustomization.state" = ''
                        {
                            "placements": {
                                "widget-overflow-fixed-list": [],
                                "unified-extensions-area": [],
                                "nav-bar": [
                                    "back-button",
                                    "forward-button",
                                    "stop-reload-button",
                                    "customizableui-special-spring1",
                                    "urlbar-container",
                                    "customizableui-special-spring2",
                                    "save-to-pocket-button",
                                    "downloads-button",
                                    "fxa-toolbar-menu-button",
                                    "reset-pbm-toolbar-button",
                                    "unified-extensions-button",
                                    "ublock0_raymondhill_net-browser-action",
                                    "_446900e4-71c2-419f-a6a7-df9c091e268b_-browser-action"
                                ],
                                "toolbar-menubar": [
                                    "menubar-items"
                                ],
                                "TabsToolbar": [
                                    "firefox-view-button",
                                    "tabbrowser-tabs",
                                    "new-tab-button",
                                    "alltabs-button"
                                ],
                                "vertical-tabs": [],
                                "PersonalToolbar": [
                                    "import-button",
                                    "personal-bookmarks"
                                ]
                            },
                            "seen": [
                                "reset-pbm-toolbar-button",
                                "profiler-button",
                                "developer-button",
                                "ublock0_raymondhill_net-browser-action",
                                "_446900e4-71c2-419f-a6a7-df9c091e268b_-browser-action"
                            ],
                            "dirtyAreaCache": [
                                "nav-bar",
                                "vertical-tabs",
                                "PersonalToolbar",
                                "toolbar-menubar",
                                "TabsToolbar",
                                "unified-extensions-area"
                            ],
                            "currentVersion": 20,
                            "newElementCount": 3
                        }
                    '';
                };

                # Search engine configuration
                search = {
                    force = true;
                    default = "SearXNG";
                    order = [ "SearXNG" "Google" "Wikipedia" "Nix Packages" "NixOS Options" "NixOS Wiki" ];
                    engines = {
                        # Nix Package Search
                        "Nix Packages" = {
                            urls = [{
                                template = "https://search.nixos.org/packages";
                                params = [
                                    { name = "type"; value = "packages"; }
                                    { name = "query"; value = "{searchTerms}"; }
                                ];
                            }];
                            icon = "''${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake.svg";
                            definedAliases = [ "@np" ];
                        };
                        # NixOS Options Search
                        "NixOS Options" = {
                            urls = [{
                                template = "https://search.nixos.org/options";
                                params = [
                                    { name = "type"; value = "packages"; }
                                    { name = "query"; value = "{searchTerms}"; }
                                ];
                            }];
                            icon = "''${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake.svg";
                            definedAliases = [ "@no" ];
                        };
                        # NixOS Wiki Search
                        "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" ];
                        };
                        # Personal SearXNG instance
                        "SearXNG" = {
                            urls = [{ template = "https://search.myriation.xyz/?q={searchTerms}"; }];
                            iconUpdateURL = "https://search.myriation.xyz/static/themes/simple/img/favicon.png";
                            updateInterval = 24 * 60 * 60 * 1000; # every day
                            definedAliases = [ "@sx" "@searx" ];
                        };
                        "Bing".metaData.hidden = true;
                        "eBay".metaData.hidden = true;
                        "Amazon.com".metaData.hidden = true;
                        "DuckDuckGo".metaData.hidden = true;
                    };
                };

                # Extensions (NUR)
                extensions = with inputs.firefox-addons.packages."${system}"; [
                    bitwarden
                    ublock-origin
                    tabliss
                ];

                # Containers
                containersForce = true;
                containers = {
                    # The letters are a hack to sort the entries in firefox (it adds them alphabetically)
                    A-Personal = {
                        id = 2;
                        name = "Personal";
                        color = "purple";
                        icon = "fingerprint";
                    };

                    B-College = {
                        id = 1;
                        name = "College";
                        color = "orange";
                        icon = "fruit";
                    };
                };
            };
        };
    };
}