# vim: ts=2
{
  config,
  pkgs,
  lib,
  user_js,
  video_pause,
  ...
}: let
  userChrome = builtins.readFile ./config/chrome/userChrome.css;

  user_js_nix = (import ./config/prefs) {inherit pkgs lib config user_js;};

  extensions = builtins.map buildFirefoxXpiAddon (
    lib.attrValues (
      lib.importJSON ./config/extensions/extensions.json
    )
  );
  engines = (import ./config/search/engines) {inherit pkgs;};

  # source: https://gitlab.com/rycee/nur-expressions/-/blob/master/pkgs/firefox-addons/default.nix
  buildFirefoxXpiAddon = (import ./functions/extensions) {inherit pkgs;};

  video-pauser = (import ./functions/extensions/video-pauser.nix) {inherit pkgs video_pause;};
in {
  home.sessionVariables = {
    # improve touch input & make scrolling smother
    MOZ_USE_XINPUT2 = "1";
    # improve wayland support
    MOZ_ENABLE_WAYLAND = 1;
  };
  xdg.mimeApps = {
    enable = true;
    defaultApplications = {
      "text/html" = ["firefox.desktop"];
      "x-scheme-handler/http" = ["firefox.desktop"];
      "x-scheme-handler/https" = ["firefox.desktop"];
      "x-scheme-handler/about" = ["firefox.desktop"];
      "x-scheme-handler/unknown" = ["firefox.desktop"];
    };
  };
  programs.firefox = {
    enable = true;
    package = pkgs.firefox-wayland.override {
      extraNativeMessagingHosts = [video-pauser];
    };
    profiles."default" = {
      inherit extensions;
      isDefault = true;
      id = 0;
      name = "default";

      inherit userChrome;

      search = {
        default = "Brave Search";
        force = true;

        inherit engines;
      };

      bookmarks = [];
      extraConfig = builtins.readFile "${user_js_nix}/user.js";
    };
  };
}