{
  osConfig,
  config,
  pkgs,
  lib,
  ...
}:
with lib; let
  cfg = config.desktop.niri;
in {
  options = {
    desktop.niri.enable =
      mkEnableOption "enable niri desktop";
  };
  config = mkIf cfg.enable {
    stylix.targets = {
      waybar.enable = false;
      hyprlock.enable = false;
    };
    services = {
      playerctld.enable = true;
      network-manager-applet.enable = true;
      copyq.enable = true;
      gnome-keyring = {
        enable = true;
        components = ["secrets" "ssh"];
      };
      udiskie = {
        enable = true;
        automount = false;
        notify = true;
        tray = "auto";
      };
      wlsunset = {
        enable = true;
        latitude = "49.6";
        longitude = "36.1";
        temperature = {
          day = 6500;
          night = 3000;
        };
        systemdTarget = "graphical-session.target";
      };
      dunst = {
        enable = true;
        settings = {
          global = {
            width = 300;
            height = 300;
            icon_theme = "${config.dconf.settings."org/gnome/desktop/interface".icon-theme}";
            corner_radius = 12;
            #corners = "top-right,bottom-left";
            offset = "16x16";
            origin = "top-right";
            timeout = 15;
            frame_width = 3;
            notification_limit = 5;
          };
          rule-telegram = {
            "desktop_entry" = "org.telegram.desktop";
            "urgency" = "normal";
          };
        };
      };
      hypridle = {
        enable = true;
        settings = {
          general = {
            before_sleep_cmd = "loginctl lock-session";
            lock_cmd = "pidof hyprlock || hyprlock";
            # unlock_cmd = "loginctl unlock-session";
          };
          listener = [
            {
              timeout = 600;
              on-timeout = "pidof hyprlock || hyprlock";
            }
            {
              timeout = 601;
              on-timeout = "${pkgs.niri}/bin/niri msg action power-off-monitors";
            }
          ];
        };
      };
    };
    programs.hyprlock = {
      enable = true;
      settings = {
        general = {
          disable_loading_bar = true;
          #grace = 300;
          hide_cursor = true;
          no_fade_in = false;
        };
        background = [
          {
            path = "screenshot";
            blur_passes = 3;
            blur_size = 8;
          }
        ];
        input-field = [
          {
            size = "274, 50";
            rounding = 12;
            outline_thickness = 4;
            position = "0, -30";
            monitor = "";
            dots_center = true;
            fade_on_empty = false;
            font_family = "${config.stylix.fonts.serif.name}";
            font_color = "rgb(${config.lib.stylix.colors.base05})";
            inner_color = "rgb(${config.lib.stylix.colors.base00})";
            outer_color = "rgb(${config.lib.stylix.colors.base0D})";
            check_color = "rgb(${config.lib.stylix.colors.base0A})";
            fail_color = "rgb(${config.lib.stylix.colors.base08})";
            placeholder_text = "locked...";
            fail_text = "wrong";
            shadow_passes = 0;
          }
        ];
        shape = [
          {
            rounding = 12;
            size = "150, 50";
            color = "rgb(${config.lib.stylix.colors.base00})";
            border_color = "rgb(${config.lib.stylix.colors.base0D})";
            position = "-62, 30";
            halign = "center";
            valign = "center";
          }
          {
            rounding = 12;
            size = "120, 50";
            color = "rgb(${config.lib.stylix.colors.base00})";
            border_color = "rgb(${config.lib.stylix.colors.base0D})";
            position = "77, 28";
            halign = "center";
            valign = "center";
          }
        ];
        label = [
          {
            monitor = "";
            text = "$LAYOUT";
            text_align = "center";
            font_size = 16;
            font_family = "${config.stylix.fonts.serif.name}";
            outer_color = "rgb(${config.lib.stylix.colors.base00})";
            color = "rgb(${config.lib.stylix.colors.base05})";
            position = "-62, 28";
            halign = "center";
            valign = "center";
          }
          {
            monitor = "";
            text = "cmd[update:1000] ${pkgs.uutils-coreutils-noprefix}/bin/echo $(${pkgs.uutils-coreutils-noprefix}/bin/date +%H:%M:%S)";
            text_align = "center";
            font_size = 16;
            font_family = "${config.stylix.fonts.serif.name}";
            outer_color = "rgb(${config.lib.stylix.colors.base00})";
            color = "rgb(${config.lib.stylix.colors.base05})";
            position = "77, 28";
            halign = "center";
            valign = "center";
          }
        ];
      };
    };

    xdg.configFile = {
      niri = {
        target = "niri/config.kdl";
        text = let
          cursor_size = toString config.stylix.cursor.size;
          terminal = "ghostty";
          launcher = "walker";
          browser = "app.zen_browser.zen";
          lockscreen = "hyprlock";
          # clipboard = "copyq toggle";
          left = "n";
          down = "e";
          up = "i";
          right = "o";
        in ''
          environment {
              DISPLAY ":123"
              QT_QPA_PLATFORM "wayland"
              // QT_STYLE_OVERRIDE "adwaita"
              // QT_QPA_PLATFORMTHEME "qt5ct"
              GDK_BACKEND "wayland"
              MOZ_ENABLE_WAYLAND "1"
              MOZ_WEBRENDER "1"
              XDG_SESSION_TYPE "wayland"
              CLUTTER_BACKEND "wayland"
              SDL_VIDEODRIVER "wayland"
            }
          input {
              keyboard {
                  xkb {
                      layout "us,ua"
                      // variant "colemak_dh,"
                      options "grp:menu_toggle"
                      }
                   repeat-delay 200
                   repeat-rate 50
                   track-layout "global"

              }
              touchpad {
                  // off
                  tap
                  // dwt
                  // dwtp
                  natural-scroll
                  accel-speed 0.2
                  accel-profile "flat"
                  // scroll-method "two-finger"
                  // disabled-on-external-mouse
              }
              mouse {
                  // off
                  // natural-scroll
                  accel-speed 0.0
                  accel-profile "flat"
                  // scroll-method "no-scroll"
              }
              /-touch {
                off
              }

              warp-mouse-to-focus

              // focus-follows-mouse
          }

          output "eDP-1" {
              // off
              scale 1.2
              transform "normal"
              // position x=1920 y=0
          }
          output "Samsung Electric Company S24R65x H4TMA03291" {
              position x=0 y=0
              variable-refresh-rate
          }
          output "Philips Consumer Electronics Company 27M2N5500 UK02418033254" {
              mode "2560x1440@180.000"
              variable-refresh-rate
              position x=0 y=0
              scale 1.33
          }
          output "PNP(AOC) 27V2G5 0x0000026C" {
              position x=1920 y=0
              mode "1920x1080@74.973"
              variable-refresh-rate
          }

          cursor {
              xcursor-theme "${config.stylix.cursor.name}"
              xcursor-size ${cursor_size}
            }

          layout {
              gaps 11
              center-focused-column "never" // "on-overflow"
              preset-column-widths {
                  proportion 0.33333
                  proportion 0.5
                  proportion 0.66667
              }

              // default-column-width { proportion 0.9; }
              default-column-width {}

              focus-ring {
                  //off
                  width 3
                  active-gradient from="#${config.lib.stylix.colors.base0D}" to="#${config.lib.stylix.colors.base04}" angle=40 relative-to="workspace-view"
                  inactive-color "#${config.lib.stylix.colors.base03}"
                  // inactive-gradient from="#1c1c1c"  to="#4e4e4e" angle=60 relative-to="workspace-view"
              }

              // You can also add a border. It's similar to the focus ring, but always visible.
              border {
                  // The settings are the same as for the focus ring.
                  // If you enable the border, you probably want to disable the focus ring.
                  off

                  width 4
                  // active-color "#ffc87f"
                  inactive-color "#${config.lib.stylix.colors.base00}"
                  // active-gradient from="#${config.lib.stylix.colors.base0D}" to="#${config.lib.stylix.colors.base0C}" angle=40 relative-to="workspace-view"
                  // inactive-gradient from="#1c1c1c"  to="#4e4e4e" angle=60 relative-to="workspace-view"

                  // active-gradient from="#ffbb66" to="#ffc880" angle=45 relative-to="workspace-view"
                  // inactive-gradient from="#505050" to="#808080" angle=45 relative-to="workspace-view"
              }

              struts {
                  left 52
                  right 52
              }
          }

          prefer-no-csd

          hotkey-overlay {
              skip-at-startup
          }
          window-rule {
              geometry-corner-radius 12
              clip-to-geometry true
          }

          screenshot-path "~/pics/screenshots/screenshot-%Y-%m-%d-%H-%M-%S.png"
          // screenshot-path null

          animations {
              // off
              slowdown 0.7
          }

          window-rule {
              match app-id=r#"^org\.wezfurlong\.wezterm$"#
              default-column-width { proportion 1.0; }
          }
          window-rule {
              match app-id=r#"^re\.sonny\.Junction$"#
              open-floating true
              open-focused true
          }

          // window-rule {
          //     match app-id=r#"^com\.mitchellh\.ghostty$"#
          //     draw-border-with-background false
          // }

          window-rule {
              match app-id=r#"^org\.keepassxc\.KeePassXC$"#
              match app-id=r#"^org\.telegram\.desktop$"#
              match app-id=r#"^org\.gnome\.World\.Secrets$"#
              match app-id=r#"^signal$"#
              match app-id=r#"^Bitwarden$"#
              // block-out-from "screen-capture"
              block-out-from "screencast"
          }

          binds {
              Mod+Shift+Slash { show-hotkey-overlay; }

              Mod+Return repeat=false { spawn "${terminal}"; }
              Mod+Space repeat=false { spawn "${launcher}"; }
              Mod+Shift+Space repeat=false { spawn "walker" "-m" "windows"; }
              Super+Alt+L repeat=false { spawn "${lockscreen}"; }
              Super+Alt+B repeat=false { spawn "${browser}"; }
              Super+Alt+V repeat=false { spawn "copyq" "toggle"; }
              Super+Alt+D repeat=false { spawn "dunstctl" "set-paused" "toggle"; }
              Super+Alt+C repeat=false { spawn "dunstctl" "close-all"; }
              Super+Alt+X repeat=false { spawn "dunstctl" "history-pop"; }
              Mod+Alt+Q { quit; }
              Mod+Alt+P { power-off-monitors; }

              XF86AudioRaiseVolume allow-when-locked=true { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.05+"; }
              XF86AudioLowerVolume allow-when-locked=true { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.05-"; }
              XF86AudioMute        allow-when-locked=true { spawn "wpctl" "set-mute" "@DEFAULT_AUDIO_SINK@" "toggle"; }
              XF86AudioMicMute     allow-when-locked=true { spawn "wpctl" "set-mute" "@DEFAULT_AUDIO_SOURCE@" "toggle"; }
              XF86AudioPlay        allow-when-locked=true { spawn "playerctl" "play-pause"; }
              XF86AudioPause        allow-when-locked=true { spawn "playerctl" "pause"; }
              XF86AudioPrev        allow-when-locked=true { spawn "playerctl" "previous"; }
              XF86AudioNext        allow-when-locked=true { spawn "playerctl" "next"; }


              XF86MonBrightnessUp   allow-when-locked=true { spawn "brightnessctl" "s" "5%+"; }
              XF86MonBrightnessDown allow-when-locked=true { spawn "brightnessctl" "s" "5%-"; }
              Alt+XF86MonBrightnessUp   allow-when-locked=true { spawn "brightnessctl" "s" "5%+" "-d" "platform::kbd_backlight"; }
              Alt+XF86MonBrightnessDown   allow-when-locked=true { spawn "brightnessctl" "s" "5%-" "-d" "platform::kbd_backlight"; }


              Mod+Left  { focus-column-left; }
              Mod+Down  { focus-window-or-workspace-down; }
              Mod+Up    { focus-window-or-workspace-up; }
              Mod+Right { focus-column-right; }
              Mod+${left}     { focus-column-left; }
              Mod+${down}     { focus-window-or-workspace-down; }
              Mod+${up}     { focus-window-or-workspace-up; }
              Mod+${right}     { focus-column-right; }

              Mod+Ctrl+Left  { move-column-left; }
              Mod+Ctrl+Down  { move-window-down-or-to-workspace-down; }
              Mod+Ctrl+Up    { move-window-up-or-to-workspace-up; }
              Mod+Ctrl+Right { move-column-right; }
              Mod+Ctrl+${left}     { move-column-left; }
              Mod+Ctrl+${down}     { move-window-down-or-to-workspace-down; }
              Mod+Ctrl+${up}     { move-window-up-or-to-workspace-up; }
              Mod+Ctrl+${right}     { move-column-right; }

              Mod+Home      { focus-column-first; }
              Mod+End       { focus-column-last; }
              Mod+Ctrl+Home { move-column-to-first; }
              Mod+Ctrl+End  { move-column-to-last; }

              Mod+Shift+Left  { focus-monitor-left; }
              Mod+Shift+Down  { focus-monitor-down; }
              Mod+Shift+Up    { focus-monitor-up; }
              Mod+Shift+Right { focus-monitor-right; }
              Mod+Shift+${left}     { focus-monitor-left; }
              Mod+Shift+${down}     { focus-monitor-down; }
              Mod+Shift+${up}    { focus-monitor-up; }
              Mod+Shift+${right}     { focus-monitor-right; }

              Mod+Shift+Ctrl+Left  { move-column-to-monitor-left; }
              Mod+Shift+Ctrl+Down  { move-column-to-monitor-down; }
              Mod+Shift+Ctrl+Up    { move-column-to-monitor-up; }
              Mod+Shift+Ctrl+Right { move-column-to-monitor-right; }
              Mod+Shift+Ctrl+${left}     { move-column-to-monitor-left; }
              Mod+Shift+Ctrl+${down}     { move-column-to-monitor-down; }
              Mod+Shift+Ctrl+${up}     { move-column-to-monitor-up; }
              Mod+Shift+Ctrl+${right}     { move-column-to-monitor-right; }

              // Mod+Page_Down      { focus-workspace-down; }
              // Mod+Page_Up        { focus-workspace-up; }
              // Mod+N              { focus-workspace-down; }
              // Mod+E              { focus-workspace-up; }
              Mod+Ctrl+Page_Down { move-column-to-workspace-down; }
              Mod+Ctrl+Page_Up   { move-column-to-workspace-up; }
              // Mod+Ctrl+N         { move-column-to-workspace-down; }
              // Mod+Ctrl+U         { move-column-to-workspace-up; }

              Mod+Shift+Page_Down { move-workspace-down; }
              Mod+Shift+Page_Up   { move-workspace-up; }
              // Mod+Shift+N         { move-workspace-down; }
              // Mod+Shift+U         { move-workspace-up; }

              Mod+WheelScrollDown      cooldown-ms=150 { focus-workspace-down; }
              Mod+WheelScrollUp        cooldown-ms=150 { focus-workspace-up; }
              Mod+Ctrl+WheelScrollDown cooldown-ms=150 { move-column-to-workspace-down; }
              Mod+Ctrl+WheelScrollUp   cooldown-ms=150 { move-column-to-workspace-up; }

              Mod+WheelScrollRight      { focus-column-right; }
              Mod+WheelScrollLeft       { focus-column-left; }
              Mod+Ctrl+WheelScrollRight { move-column-right; }
              Mod+Ctrl+WheelScrollLeft  { move-column-left; }

              Mod+Shift+WheelScrollDown      { focus-column-right; }
              Mod+Shift+WheelScrollUp        { focus-column-left; }
              Mod+Ctrl+Shift+WheelScrollDown { move-column-right; }
              Mod+Ctrl+Shift+WheelScrollUp   { move-column-left; }

              Mod+TouchpadScrollDown { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.02+"; }
              Mod+TouchpadScrollUp   { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.02-"; }

              Mod+1 { focus-workspace 1; }
              Mod+2 { focus-workspace 2; }
              Mod+3 { focus-workspace 3; }
              Mod+4 { focus-workspace 4; }
              Mod+5 { focus-workspace 5; }
              Mod+6 { focus-workspace 6; }
              Mod+7 { focus-workspace 7; }
              Mod+8 { focus-workspace 8; }
              Mod+9 { focus-workspace 9; }
              Mod+Ctrl+1 { move-column-to-workspace 1; }
              Mod+Ctrl+2 { move-column-to-workspace 2; }
              Mod+Ctrl+3 { move-column-to-workspace 3; }
              Mod+Ctrl+4 { move-column-to-workspace 4; }
              Mod+Ctrl+5 { move-column-to-workspace 5; }
              Mod+Ctrl+6 { move-column-to-workspace 6; }
              Mod+Ctrl+7 { move-column-to-workspace 7; }
              Mod+Ctrl+8 { move-column-to-workspace 8; }
              Mod+Ctrl+9 { move-column-to-workspace 9; }

              // Mod+Q { focus-workspace 1; }
              // Mod+W { focus-workspace 2; }
              // Mod+F { focus-workspace 3; }
              // Mod+P { focus-workspace 4; }
              // Mod+B { focus-workspace 5; }
              // Mod+J { focus-workspace 6; }
              // Mod+L { focus-workspace 7; }
              // Mod+Y { focus-workspace 8; }
              // Mod+Apostrophe { focus-workspace 9; }
              // Mod+Ctrl+Q { move-column-to-workspace 1; }
              // Mod+Ctrl+W { move-column-to-workspace 2; }
              // Mod+Ctrl+F { move-column-to-workspace 3; }
              // Mod+Ctrl+P { move-column-to-workspace 4; }
              // Mod+Ctrl+B { move-column-to-workspace 5; }
              // Mod+Ctrl+J { move-column-to-workspace 6; }
              // Mod+Ctrl+L { move-column-to-workspace 7; }
              // Mod+Ctrl+Y { move-column-to-workspace 8; }
              // Mod+Ctrl+Apostrophe { move-column-to-workspace 9; }

              // Mod+Ctrl+1 { move-window-to-workspace 1; }

              Mod+Tab { focus-workspace-previous; }

              Mod+Ctrl+Comma  { consume-or-expel-window-left; }
              Mod+Ctrl+Period { consume-or-expel-window-right; }

              Mod+Comma { set-column-width "-10%"; }
              Mod+Period { set-column-width "+10%"; }
              Mod+T { switch-preset-column-width; }
              Mod+H { set-column-width "50%"; }
              Mod+Shift+Comma { set-window-height "-10%"; }
              Mod+Shift+Period { set-window-height "+10%"; }
              Mod+Shift+T { reset-window-height; }

              Mod+M { maximize-column; }
              Mod+G { switch-focus-between-floating-and-tiling; }
              Mod+C { center-column; }
              Mod+Ctrl+M { fullscreen-window; }
              Mod+Ctrl+G { toggle-window-floating; }

              Mod+Ctrl+Q { close-window; }
              Mod+Minus { set-column-width "-10%"; }
              Mod+Equal { set-column-width "+10%"; }

              Mod+Escape       { switch-layout "next"; }
              // Mod+Shift+Space { switch-layout "prev"; }

              Print { screenshot; }
              Ctrl+Print { screenshot-screen; }
              Alt+Print { screenshot-window; }
          }
        '';
      };
    };
    programs.waybar = {
      enable = true;
      #package = pkgs.waybar-0.11.0";
      systemd = {
        enable = true;
        target = "graphical-session.target";
      };
      settings = let
        hostname = osConfig.networking.hostName;
      in {
        bar-0 = {
          layer = "top";
          position = "bottom";
          height = 40;
          spacing = 6;
          margin-left = 8;
          margin-right = 8;
          margin-bottom = 8;
          reload_style_on_change = true;
          modules-left = [
            #"custom/notification"
            "clock"
            "wlr/taskbar"
          ];
          modules-center = ["group/niri" "privacy"];
          modules-right = [
            "tray"
            "wireplumber"
            (lib.mkIf (hostname != "dunamis")
              "group/laptop")
            "idle_inhibitor"
          ];
          "niri/workspaces" = {
            format = "{icon}";
            format-icons = {
              focused = "󰗝";
              active = "󰻃";
              default = "󰄰";
            };
          };
          "niri/language" = {
            format = "{}";
            format-en = "🇺🇸";
            format-uk = "🇺🇦";
          };
          "custom/separator" = {
            format = "|";
            interval = "once";
            tooltip = false;
          };
          "custom/text" = {
            format = "here will be workspaces";
            interval = "once";
            tooltip = false;
          };
          "group/niri" = {
            orientation = "inherit";
            modules = [
              "niri/language"
              "niri/workspaces"
            ];
          };
          "group/laptop" = {
            orientation = "inherit";
            drawer = {
              transition-duration = 500;
              children-class = "laptop";
              transition-left-to-right = false;
            };
            modules = [
              "battery"
              "power-profiles-daemon"
              "custom/separator"
              "custom/kbd-backlight"
              "custom/separator"
              "backlight"
              "custom/separator"
            ];
          };
          "idle_inhibitor" = {
            format = "{icon}";
            format-icons = {
              activated = "󰈈";
              deactivated = "󰈉";
            };
          };
          "tray" = {
            icon-size = 24;
            spacing = 3;
          };
          "clock" = {
            interval = 1;
            format = "{:%H:%M:%S}";
            tooltip-format = "{:%d.%m.%Y}";
          };
          # "backlight" = {
          #   device = "intel_backlight";
          #   format = "{percent}% {icon}";
          #   format-icons = ["󰃞" "󰃟" "󰃝" "󰃠"];
          #   on-scroll-up = "light -A 2%";
          #   on-scroll-down = "light -U 2%";
          # };
          "custom/backlight" = {
            format = "{}% {icon}";
            format-icons = ["󰃠"];
            exec = "~/.local/bin/brightness.nu get-percentage";
            on-scroll-up = "~/.local/bin/brightness.nu change 2";
            on-scroll-down = "~/.local/bin/brightness.nu change 2";
            interval = 1;
          };
          "custom/kbd-backlight" = {
            format = "{}% {icon}";
            format-icons = ["󰌌"];
            exec = "~/.local/bin/keyboard-brightness.nu get-percentage";
            on-scroll-up = "~/.local/bin/keyboard-brightness.nu change";
            on-scroll-down = "~/.local/bin/keyboard-brightness.nu change -1";
            interval = 1;
          };
          # "custom/kbd-backlight" = {
          #   exec = "cat /sys/class/leds/platform::kbd_backlight/brightness";
          #   interval = 1;
          #   format = "{}% {icon}";
          #   format-icons = ["󰌌"];
          #   on-scroll-up = "light -s sysfs/leds/platform::kbd_backlight -A 5%";
          #   on-scroll-down = "light -s sysfs/leds/platform::kbd_backlight -U 5%";
          # };
          battery = {
            states = {
              good = 95;
              warning = 30;
              critical = 15;
            };
            format = "{capacity}% {icon}";
            format-full = "{capacity}% 󱟢";
            format-charging = "{capacity}% 󰂄";
            format-plugged = "{capacity}% 󰚥";
            format-alt = "{icon} {time}";
            format-icons = ["󰁺" "󰁻" "󰁼" "󰁽" "󰁾" "󰁿" "󰂀" "󰂁" "󰂂" "󰁹"];
          };
          "upower" = {
            icon-size = 16;
            format = "{percentage}";
            hide-if-empty = true;
            tooltip = true;
            tooltip-spacing = 20;
          };
          "power-profiles-daemon" = {
            format = "{icon}";
            tooltip-format = "Power profile: {profile}\nDriver: {driver}";
            tooltip = true;
            format-icons = {
              default = "󱡮";
              performance = "󱡮";
              balanced = "";
              power-saver = "";
            };
          };
          "wireplumber" = {
            scroll-step = 3;
            format = "{volume}% {icon}";
            format-muted = "󰖁";
            format-icons = ["󰕿" "󰖀" "󰕾"];
            on-click = "pwvucontrol";
            on-click-right = "wpctl set-mute @DEFAULT_SINK@ toggle";
          };
          "custom/notification" = {
            tooltip = false;
            format = "{icon}";
            format-icons = {
              notification = "";
              none = "";
              dnd-notification = "";
              dnd-none = "";
            };
            return-type = "json";
            exec-if = "which swaync-client";
            exec = "swaync-client -swb";
            on-click = "swaync-client -t -sw";
            on-click-right = "swaync-client -d -sw";
            escape = true;
          };
          "privacy" = {
            # icon-spacing = 4;
            icon-size = 16;
            transition-duration = 250;
            screenshare = {
              type = "screenshare";
              tooltip = true;
              tooltip-icon-size = 24;
            };
            audio-in = {
              type = "audio-in";
              tooltip = true;
              tooltip-icon-size = 24;
            };
          };
          "wlr/taskbar" = {
            format = "{icon}";
            icon-size = 24;
            icon-theme = "${config.dconf.settings."org/gnome/desktop/interface".icon-theme}";
            tooltip-format = "{title}";
            on-click = "activate";
          };
        };
      };
      style = ''
        @define-color base00 #${config.lib.stylix.colors.base00};
        @define-color base01 #${config.lib.stylix.colors.base01};
        @define-color base02 #${config.lib.stylix.colors.base02};
        @define-color base03 #${config.lib.stylix.colors.base03};
        @define-color base04 #${config.lib.stylix.colors.base04};
        @define-color base05 #${config.lib.stylix.colors.base05};
        @define-color base06 #${config.lib.stylix.colors.base06};
        @define-color base07 #${config.lib.stylix.colors.base07};
        @define-color base08 #${config.lib.stylix.colors.base08};
        @define-color base09 #${config.lib.stylix.colors.base09};
        @define-color base0A #${config.lib.stylix.colors.base0A};
        @define-color base0B #${config.lib.stylix.colors.base0B};
        @define-color base0C #${config.lib.stylix.colors.base0C};
        @define-color base0D #${config.lib.stylix.colors.base0D};
        @define-color base0E #${config.lib.stylix.colors.base0E};
        @define-color base0F #${config.lib.stylix.colors.base0F};
        * {
            font-family: Iosevka Nerd Font Propo, FontAwesome;
            font-size: 100%;
            /* margin: 0px 2px 2px 2px; */
        }

        window#waybar {
            background-color: transparent;
            /* border-top: 3px solid @overlay0; */
            color: @base05;
            /* padding: 0px 2px 0px 0px; */
            transition-property: background-color;
            transition-duration: 0.5s;
        }

        .modules-right,
        .modules-center,
        .modules-left {
            border-radius: 8px;
        }

        tooltip {
            background: @base01;
            border: 1px solid @base0E;
        }
        tooltip label {
            color: @base05;
        }
        button {
            box-shadow: inset 0 -3px transparent;
            border-radius: 12px;
        }

        /* https://github.com/Alexays/Waybar/wiki/FAQ#the-workspace-buttons-have-a-strange-hover-effect */
        button:hover {
            background: inherit;
            box-shadow: inset 0 -3px transparent;
        }

        #mode {
            background-color: rgba(0, 0, 0, 0.2);
            box-shadow: inset 0 -3px @base05;
        }

        #clock,
        #battery,
        #cpu,
        #memory,
        #disk,
        #temperature,
        #backlight,
        #custom-kbd-backlight,
        #workspaces,
        #network,
        #pulseaudio,
        #wireplumber,
        #custom-media,
        #laptop,
        #tray,
        #mode,
        #privacy
        #privacy-item,
        #idle_inhibitor,
        #backlight-slider,
        #custom-notification,
        #scratchpad,
        #power-profiles-daemon,
        #taskbar,
        #language,
        #upower,
        #mpris,
        #mpd {
            padding: 0 0.8em;
            border-radius: 12px;
            color: @base05;
            background-color: @base00;
        }

        /* #upower, */
        #battery,
        #backlight,
        #custom-kbd-backlight,
        #backlight-slider,
        #cpu,
        #memory,
        #disk,
        #network,
        #wireplumber,
        #power-profiles-daemon {
            padding-right: 0.8em;
        }

        #language {
          padding-right: 0;
          border-top-right-radius: 0;
          border-bottom-right-radius: 0;
          }
        #workspaces {
          border-top-left-radius: 0;
          border-bottom-left-radius: 0;
        }

        #taskbar,
        #workspaces {
            padding: 0 0.5em;
        }
        #taskbar button,
        #workspaces button {
            padding: 0 0.2em;
        }
        #workspaces button.active {
          color: @base0D;
        }
        #taskbar button:hover {
            box-shadow: transparent;
        }
        #taskbar.empty,
        window#empty {
            background-color: transparent;
        }

        #battery.critical:not(.charging) {
            background-color: @base09;
            color: @base00;
            animation-name: blink;
            animation-duration: 0.5s;
            animation-timing-function: steps(12);
            animation-iteration-count: infinite;
            animation-direction: alternate;
        }

        #power-profiles-daemon.performance {
            background-color: @base00;
            color: @base08;
        }

        #power-profiles-daemon.balanced {
            background-color: @base00;
            color: @base0E;
        }

        #power-profiles-daemon.power-saver {
            background-color: @base00;
            color: @base08;
        }

        label:focus {
            background-color: #000000;
        }

        #tray > .passive {
            -gtk-icon-effect: dim;
        }

        #tray > .needs-attention {
            -gtk-icon-effect: highlight;
            background-color: #eb4d4b;
        }

        #idle_inhibitor {
          padding: 0 0.9em;
        }


        #idle_inhibitor:hover {
            box-shadow: inset 0 -3px @base05;
        }

        #idle_inhibitor.activated {
            background-color: @base05;
            color: @base00;
        }

        #idle_inhibitor.activated:hover {
            box-shadow: inset 0 -3px @base00;
        }

        #laptop,
        #privacy {
            padding: 0em;
        }

        #privacy-item.screenshare {
            background-color: @base00;
            color: @base0C;
        }

        #privacy-item.audio-in {
            background-color: @base00;
            color: @base0E;
        }

        #privacy-item.audio-out {
            background-color: @base;
        }
      '';
    };
    programs.walker = {
      enable = true;
      package = pkgs.walker;
      runAsService = true;
      config = {
        activation_mode.labels = "neiotsra";
        # theme = "stylix";
        as_window = false;
        builtins = {
          applications = {
            actions = {enabled = true;};
            context_aware = true;
            name = "applications";
            placeholder = "Applications";
            prioritize_new = true;
            refresh = true;
            show_generic = false;
            show_icon_when_single = true;
            show_sub_when_single = true;
            weight = 5;
          };
          calc = {
            icon = "accessories-calculator";
            min_chars = 4;
            name = "calc";
            placeholder = "Calculator";
            weight = 5;
          };
          clipboard = {
            image_height = 300;
            max_entries = 10;
            name = "clipboard";
            placeholder = "Clipboard";
            switcher_only = true;
            weight = 5;
          };
          commands = {
            icon = "utilities-terminal";
            name = "commands";
            placeholder = "Commands";
            switcher_only = true;
            weight = 5;
          };
          custom_commands = {
            icon = "utilities-terminal";
            name = "custom_commands";
            placeholder = "Custom Commands";
            weight = 5;
          };
          dmenu = {
            name = "dmenu";
            placeholder = "Dmenu";
            switcher_only = true;
            weight = 5;
          };
          emojis = {
            history = true;
            name = "emojis";
            placeholder = "Emojis";
            switcher_only = true;
            typeahead = true;
            weight = 5;
          };
          finder = {
            concurrency = 8;
            icon = "folder";
            ignore_gitignore = true;
            name = "finder";
            placeholder = "Finder";
            refresh = true;
            switcher_only = true;
            weight = 5;
          };
          runner = {
            generic_entry = false;
            history = true;
            icon = "utilities-terminal";
            name = "runner";
            placeholder = "Runner";
            refresh = true;
            typeahead = true;
            weight = 5;
          };
          ssh = {
            history = true;
            icon = "preferences-system-network";
            name = "ssh";
            placeholder = "SSH";
            refresh = true;
            switcher_only = true;
            weight = 5;
          };
          switcher = {
            name = "switcher";
            placeholder = "Switcher";
            prefix = "/";
            weight = 5;
          };
          # websearch = {
          #   engines = ["google"];
          #   icon = "applications-internet";
          #   name = "websearch";
          #   placeholder = "Websearch";
          #   weight = 5;
          # };
          windows = {
            icon = "view-restore";
            name = "windows";
            placeholder = "Windows";
            weight = 5;
          };
        };
        disable_click_to_close = false;
        force_keyboard_focus = true;
        list = {
          max_entries = 50;
          show_initial_entries = true;
          single_click = true;
        };
        search = {
          delay = 0;
          force_keyboard_focus = true;
          history = true;
          placeholder = "Search...";
        };
      };
      theme = {
        layout = {
          ui = {
            anchors = {
              bottom = false;
              left = false;
              right = false;
              top = false;
            };
            window = {
              h_align = "center";
              v_align = "center";
              box = {
                width = 500;
                height = 300;
                h_align = "center";
                v_align = "center";
                spacing = 12;
                orientation = "vertical";
                # margins = {
                #   bottom = 200;
                #   top = 200;
                #   start = 200;
                # };
                search = {
                  margins = {
                    # bottom = 0;
                    # top = 0;
                    start = 8;
                    end = 8;
                  };
                  spacing = 12;
                  # v_align = "baseline";
                  h_align = "top";
                  h_expand = true;
                  v_expand = true;
                };
                scroll = {
                  h_align = "fill";
                  v_align = "fill";
                  h_expand = false;
                  overlay_scrolling = true;
                  list = {
                    # max_height = 300;
                    margins = {
                      bottom = 8;
                      top = 0;
                      start = 8;
                      end = 8;
                    };
                    always_show = true;
                    v_align = "fill";
                    h_align = "bottom";
                    h_expand = false;
                    v_expand = true;
                    item = {
                      icon.theme = "${config.gtk.iconTheme.name}";
                      spacing = 4;
                      activation_label = {
                        h_align = "end";
                        # v_align = "bottom";
                        h_expand = false;
                        justify = "right";
                        spacing = 4;
                        margins.end = 12;
                        # x_align = 1;
                      };
                      text = {
                        h_align = "start";
                        h_expand = true;
                        revert = true;
                        wrap = true;
                      };
                    };
                  };
                };
              };
            };
          };
        };
        style = ''
          @define-color base00 #${config.lib.stylix.colors.base00};
          @define-color base01 #${config.lib.stylix.colors.base01};
          @define-color base02 #${config.lib.stylix.colors.base02};
          @define-color base03 #${config.lib.stylix.colors.base03};
          @define-color base04 #${config.lib.stylix.colors.base04};
          @define-color base05 #${config.lib.stylix.colors.base05};
          @define-color base06 #${config.lib.stylix.colors.base06};
          @define-color base07 #${config.lib.stylix.colors.base07};
          @define-color base08 #${config.lib.stylix.colors.base08};
          @define-color base09 #${config.lib.stylix.colors.base09};
          @define-color base0A #${config.lib.stylix.colors.base0A};
          @define-color base0B #${config.lib.stylix.colors.base0B};
          @define-color base0C #${config.lib.stylix.colors.base0C};
          @define-color base0D #${config.lib.stylix.colors.base0D};
          @define-color base0E #${config.lib.stylix.colors.base0E};
          @define-color base0F #${config.lib.stylix.colors.base0F};

            #window,
            #box,
            #search,
            #password,
            #input,
            #typeahead,
            #spinner,
            #list,
            child,
            scrollbar,
            slider,
            #item,
            #text,
            #label,
            #sub,
            #activationlabel {
              all: unset;
            }

            #window {
              background: none;
              color: @base05;
            }

            #box {
              border-radius: 20px;
              border-width: 4px;
              border-color: @base0D;
              background: @base00;
            }

            #search {
              background: @base01;
              border-radius: 12px;
              padding: 8px;
            }

            #password,
            #input,
            #typeahead {
              background: none;
              box-shadow: none;
              border-radius: 12px;
            }

            #input > *:first-child,
            #typeahead > *:first-child {
              margin-right: 12px;
              border-radius: 12px;
            }

            /* #spinner {
            } */

            #typeahead {
              color: @base05;
            }

            #input placeholder {
              opacity: 0.5;
            }

            #list {
              padding: 8px;
              border-radius: 12px;
              background: @base01;
            }

            child {
              box-shadow: none;
            }

            child:selected,
            child:hover {
              box-shadow: none;
              border-radius: 8px;
              background: @base02;
            }

            #item {
              padding: 4px;
            }

            /* #icon {
            }

            #text {
            }

            #label {
            } */

            #sub {
              font-size: smaller;
              opacity: 0.5;
            }

            #activationlabel {
              opacity: 0.5;
            }

            .activation #activationlabel {
              opacity: 1;
              color: @base05;
            }

            .activation #text,
            .activation #icon,
            .activation #search {
              opacity: 0.5;
            }
        '';
      };
    };

    programs.wpaperd.enable = true;
    home.packages = with pkgs; [
      niri
      nautilus
      helvum
      loupe
      evince
      celluloid
      junction
      swayidle
      swaylock-effects
      libnotify
      playerctl
      wdisplays
      pwvucontrol
      wl-clipboard-rs
      polkit_gnome
      xwayland-satellite
    ];

    gtk = {
      enable = true;
      iconTheme = {
        name = "Papirus-Dark";
        package = pkgs.papirus-icon-theme;
      };
    };
    qt = {
      enable = true;
      # platformTheme.name = "gtk3";
    };
    dconf.settings = {
      "org/gnome/desktop/interface" = {
        icon-theme = "${config.gtk.iconTheme.name}";
      };
    };
    xdg.mime.enable = true;
    xdg.mimeApps = {
      enable = true;
      defaultApplications = let
        file_manager = ["org.gnome.Nautilus.desktop"];
        web_browser = ["re.sonny.Junction.desktop"];
        image_viewer = ["org.gnome.Loupe.desktop"];
        video_player = ["io.github.celluloid_player.Celluloid.desktop"];
        pdf_reader = ["org.gnome.Evince.desktop"];
      in {
        "inode/directory" = file_manager;
        "video/x-matroska" = video_player;
        "video/mp4" = video_player;
        "video/mpeg" = video_player;
        "video/x-mpeg" = video_player;
        "image/png" = image_viewer;
        "image/jpeg" = image_viewer;
        "application/pdf" = pdf_reader;
        "text/html" = web_browser;
        "x-scheme-handler/http" = web_browser;
        "x-scheme-handler/https" = web_browser;
        "x-scheme-handler/about" = web_browser;
        "x-scheme-handler/unknown" = web_browser;
      };
    };
    systemd.user.settings.Manager.DefaultEnvironment = {
      # QT_QPA_PLATFORMTHEME = "gtk3";
      QT_QPA_PLATFORM = "wayland";
      DISPLAY = ":123";
    };
    systemd.user.targets.tray = {
      # workaround for udiskie
      Unit = {
        Description = "Home Manager System Tray";
      };
    };
    systemd.user.services = {
      udiskie = {
        Unit = {
          PartOf = ["graphical-session.target"];
          After = ["graphical-session.target"];
          Requisite = ["graphical-session.target"];
        };
        Install = {
          WantedBy = ["niri.service"];
        };
      };
      waybar = {
        Unit = {
          PartOf = ["graphical-session.target"];
          After = ["graphical-session.target"];
          Requisite = ["graphical-session.target"];
        };
        Install = {
          WantedBy = ["niri.service"];
        };
      };
      copyq = {
        Unit = {
          PartOf = ["graphical-session.target"];
          After = ["graphical-session.target"];
          Requisite = ["graphical-session.target"];
        };
        Install = {
          WantedBy = ["niri.service"];
        };
        Service = {
          Environment = lib.mkForce "QT_QPA_PLATFORM=wayland";
          Restart = "on-failure";
          RestartSec = 1;
          TimeoutStopSec = 10;
        };
      };
      wpaperd = {
        Unit = {
          PartOf = ["graphical-session.target"];
          After = ["graphical-session.target"];
          Requisite = ["graphical-session.target"];
        };
        Install = {
          WantedBy = ["niri.service"];
        };
        Service = {
          Type = "simple";
          ExecStart = "${pkgs.wpaperd}/bin/wpaperd";
          Restart = "on-failure";
          RestartSec = 1;
          TimeoutStopSec = 10;
        };
      };
      network-manager-applet = {
        Unit = {
          PartOf = ["graphical-session.target"];
          After = ["graphical-session.target"];
          Requisite = ["graphical-session.target"];
        };
        Install = {
          WantedBy = ["niri.service"];
        };
      };
      gnome-polkit-agent = {
        Unit = {
          PartOf = ["graphical-session.target"];
          After = ["graphical-session.target"];
          Requisite = ["graphical-session.target"];
        };
        Install = {
          WantedBy = ["niri.service"];
        };
        Service = {
          Type = "simple";
          ExecStart = "${pkgs.polkit_gnome}/libexec/polkit-gnome-authentication-agent-1";
          Restart = "on-failure";
          RestartSec = 1;
          TimeoutStopSec = 10;
        };
      };
      wlsunset = {
        Unit = {
          PartOf = ["graphical-session.target"];
          After = ["graphical-session.target"];
          Requisite = ["graphical-session.target"];
        };
        Install = {
          WantedBy = ["niri.service"];
        };
      };
      hypridle = {
        Unit = {
          PartOf = ["graphical-session.target"];
          After = ["graphical-session.target"];
          Requisite = ["graphical-session.target"];
        };
        Install = {
          WantedBy = ["niri.service"];
        };
      };
      xwayland-satellite = {
        Unit = {
          PartOf = ["graphical-session.target"];
          After = ["graphical-session.target"];
          Requisite = ["graphical-session.target"];
        };
        Install = {
          WantedBy = ["niri.service"];
        };
        Service = {
          Type = "simple";
          ExecStart = "${pkgs.xwayland-satellite}/bin/xwayland-satellite :123";
          Restart = "on-failure";
          RestartSec = 1;
          TimeoutStopSec = 10;
        };
      };
    };
  };
}