# vim: ts=2
{
  config,
  pkgs,
  lib,
  stdenv,
  ...
}: let
  user_js_override = "./settings/override.js";
  user_js = lib.runCommand "user.js" {} ''
    mkdir $out;
    ${config.inputs.strip_js_comments}/bin ${config.inputs.user_js} > $out/user.js;
    cat ${user_js_override} >> $out/user.js;
    sed 's/user_pref(\(.*\)",\(.*\));/\1" = \2;/' $out/user.js > $out/user.nix;
  '';

  # source: https://gitlab.com/rycee/nur-expressions/-/blob/master/pkgs/firefox-addons/default.nix
  buildFirefoxXpiAddon = {
    pname,
    version,
    addonId,
    url,
    sha256,
    meta,
    ...
  }:
    builtins.stdenv.mkDerivation {
      name = "${pname}-${version}";

      inherit meta;

      src = builtins.fetchurl {inherit url sha256;};

      preferLocalBuild = true;
      allowSubstitutes = true;

      buildCommand = ''
        dst="$out/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}"
        mkdir -p "$dst"
        install -v -m644 "$src" "$dst/${addonId}.xpi"
      '';
    };

  settings =
    pkgs.lib.recursiveUpdate
    {
      # Allow my custom css
      "toolkit.legacyUserProfileCustomizations.stylesheets" = true;

      # might improve performance TODO
      "gfx.webrender.all" = true;

      # disable updates (pretty pointless with nix)
      "extensions.update.autoUpdateDefault" = false;
      "extensions.update.enabled" = false;
      "app.update.channel" = "default";

      "browser.ctrlTab.recentlyUsedOrder" = false;

      "browser.download.useDownloadDir" = true;
      "browser.download.dir" = "${config.user.soisha.home}/media/downloads";
      "browser.download.folderList" = 2; # TODO
      "browser.download.viewableInternally.typeWasRegistered.svg" = true;
      "browser.download.viewableInternally.typeWasRegistered.webp" = true;
      "browser.download.viewableInternally.typeWasRegistered.xml" = true;

      # TODO what does this do?
      "browser.search.widget.inNavBar" = true;

      "browser.shell.checkDefaultBrowser" = false;
      "browser.tabs.loadInBackground" = true;
      "browser.urlbar.placeholderName" = "Brave";

      "general.autoScroll" = true;

      # Set the tabs and bookmarks
      "browser.tabs.inTitlebar" = 1;
      "browser.toolbars.bookmarks.visibility" = "always";

      # Theme
      "extensions.activeThemeID" = "firefox-alpenglow@mozilla.org";
      "extensions.extensions.activeThemeID" = "firefox-alpenglow@mozilla.org";

      # highlight all entries when searching
      "findbar.highlightAll" = true;

      # TODO
      #"extensions.webcompat.enable_picture_in_picture_overrides" = true;
      #"extensions.webcompat.enable_shims" = true;
      #"extensions.webcompat.perform_injections" = true;
      #"extensions.webcompat.perform_ua_overrides" = true;

      # onlykey / copied from a yubikey config
      #"security.webauth.u2f" = true;
      #"security.webauth.webauthn" = true;
      #"security.webauth.webauthn_enable_softtoken" = true;
      #"security.webauth.webauthn_enable_usbtoken" = true;
    }
    builtins.readFile
    "${user_js}/user.nix";
in {
  home-manager.users.${config.soisha.user.username} = {
    packages = [
      pkgs.firefox-wayland
    ];
    sessionVariables = {
      # improve touch input & make scrolling smother
      MOZ_USE_XINPUT2 = "1";
      # improve wayland support
      MOZ_ENABLE_WAYLAND = 1;
      XDG_CURRENT_DESKTOP = "river";
    };
    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;
      extensions = builtins.map buildFirefoxXpiAddon (lib.attrValues (lib.importJSON ./extensions.json));
      profile."default" = {
        isDefault = true;
        id = 0;
        name = "default";

        userChrome = builtins.readFile "./chrome/userChrome.css";

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

          engines = {
            "Brave Search" = {
              urls = [{template = "https://search.brave.com/search?q={searchTerms}";}];
              iconUpdateURL = "https://cdn.search.brave.com/serp/v1/static/brand/8eabe183f0d1f2cb3e2916b7b20c310efd196d740c8cecd341732fcd396fb665-apple-touch-icon.png";
              updateInterval = 24 * 60 * 60 * 1000; # every day
              definedAliases = ["@bs"];
            };

            "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"];
            };
            "Bing".metaData.hidden = true;
            "Google".metaData.hidden = true;
            "Amazon.de".metaData.hidden = true;
          };
        };

        bookmarks = [
          {
            name = "Rust::std";
            # TODO
            url = "file:///home/dt/.local/share/rustup/toolchains/stable-x86_64-unknown-linux-gnu/share/doc/rust/html/std/all.html";
          }

          {
            name = "Feed - Piped";
            url = "https://piped.kavin.rocks/feed";
          }

          {
            name = "DeepL Translate";
            url = "https://www.deepl.com/translator#en/de/test";
          }

          {
            name = "Google Scholar";
            url = "https://scholar.google.com/";
          }

          {
            name = "ArchWiki";
            url = "https://wiki.archlinux.org/";
          }

          {
            name = "Arch Package ";
            url = "https://archlinux.org/packages/";
          }

          {
            name = "layout.css.devPixelsPerPx";
            url = "about:config";
          }
        ];
        inherit settings;
      };
    };
  };
}