nixos/home/modules/theme.nix

{ pkgs, lib, config, ... }:

let
  cfg = config.snowhawk.theme;
in
{
  options.snowhawk.theme = {
    enable = lib.mkEnableOption "theme";

    cursor = lib.mkOption {
      default = true;
      example = false;
      description = "enable home.pointerCursor theme";
      type = lib.types.bool;
    };
  };

  config = lib.mkIf cfg.enable {
    gtk = {
      enable = true;
      theme = {
        package = pkgs.rose-pine-gtk-theme;
        name = "rose-pine";
      };
      iconTheme = {
        package = pkgs.rose-pine-icon-theme;
        name = "rose-pine-icons";
      };
    };

    # Set system dark mode
    dconf.settings = {
      "org/freedesktop/appearance" = {
        color-scheme = 1;
      };
      "org/gnome/desktop/interface" = {
        color-scheme = "prefer-dark";
      };
    };

    home.pointerCursor = lib.mkIf cfg.cursor
      (
        let
          getFrom = url: hash: name: {
            gtk.enable = true;
            x11.enable = true;
            name = name;
            size = 16;
            package =
              pkgs.runCommand "moveUp" { } ''
                mkdir -p $out/share/icons
                ln -s ${pkgs.fetchzip {
                  url = url;
                  hash = hash;
                }} $out/share/icons/${name}
              '';
          };
        in
        getFrom
          "https://github.com/rose-pine/cursor/releases/download/v1.1.0/BreezeX-RosePine-Linux.tar.xz"
          "sha256-t5xwAPGhuQUfGThedLsmtZEEp1Ljjo3Udhd5Ql3O67c="
          "BreezeX-RosePine"
      );
  };
}