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

{
  options = {
    window_manager = {
      hyprland= {
        enable = lib.mkEnableOption "enable hyprland";
        monitors = lib.mkOption {
          default = [
            ",preferred,auto,1"
          ];
          description = ''declare monitors'';
        };
        numlock = lib.mkEnableOption "numlock by default";
      };
    };
  };

  config = lib.mkIf config.window_manager.hyprland.enable {
    xdg.portal = {
      enable = true;
      configPackages = [ pkgs.xdg-desktop-portal-hyprland ];
      extraPortals = [ pkgs.xdg-desktop-portal-hyprland ];
    };
    programs = {
      hyprlock = {
        enable = true;
      };
    };
    wayland.windowManager.hyprland = {
      enable = true;
      settings = {
        monitor = config.window_manager.hyprland.monitors;
        exec-once = [
          (lib.mkIf (config.window_manager.walker.enable) "elephant")
          (lib.mkIf (config.window_manager.waybar.enable) "waybar")
          (lib.mkIf (config.window_manager.wallpaper.enable) "waypaper --restore --random")
        ];
        "$mod" = "SUPER";
        "$shiftmod" = "SUPER_SHIFT";
        bind = [
          (lib.mkIf (config.window_manager.walker.enable) "$mod, D, exec, walker")
          (lib.mkIf (config.terminal.kitty.enable) "$mod, return, exec, kitty")
          "$shiftmod, Q, killactive,"
        ];
        input = {
          kb_layout = "de";
          numlock_by_default = config.window_manager.hyprland.numlock;
          follow_mouse = 2;
          mouse_refocus = false;
          accel_profile = "flat";
          sensitivity = 0.2;
          touchpad = {
            natural_scroll = "no";
            disable_while_typing = true;
          };
        };
        cursor = {
          inactive_timeout = 0;
          no_warps = true;
        };
        decoration = {
          rounding = 20;
          blur = {
            enabled = true;
            size = 3;
            passes = 1;
          };
          shadow = {
            range = 4;
            render_power = 3;
            color = "rgba(1a1a1aee)";
          };
        };
      };
    };
    home.sessionVariables.NIXOS_OZONE_WL = "1";
  };
}