{
  perSystem,
  osConfig,
  config,
  pkgs,
  lib,
  ...
}: let
  inherit (lib) mkIf mkEnableOption mkDefault mkForce getExe;
  inherit (osConfig.networking) hostId;
  inherit (config.lib.stylix) colors;
  cfg = config.desktop.niri;
  cursorSize = config.stylix.cursor.size;
  cursorName = config.stylix.cursor.name;
  keyboard =
    if hostId == "eldrid"
    then "chromeos"
    else "platform";
  xdgPics =
    config.xdg.userDirs.pictures;
  ifLaptop = mkIf (hostId != "c7f6c4a1");
  # TODO: make terminal depent on thing outside a module
  terminal = getExe pkgs.wezterm;
  launcher = getExe pkgs.fuzzel;
  browser = "app.zen_browser.zen";
  lockscreen = getExe pkgs.gtklock;
in {
  options = {
    desktop.jay.enable =
      mkEnableOption "enable jay desktop";
  };
  config = mkIf cfg.enable {
    stylix.targets = {
      waybar.enable = false;
      wpaperd.enable = true;
      qt.enable = false;
    };
    services = {
      copyq.enable = true;
      network-manager-applet.enable = true;
      playerctld.enable = true;
      swayosd = {
        enable = true;
        topMargin = 0.8;
      };
      wpaperd.enable = true;
      gnome-keyring = {
        enable = true;
        components = ["secrets"];
      };
      gammastep = {
        enable = true;
        provider = "manual";
        latitude = 49.6;
        longitude = 36.1;
        tray = true;
        temperature = {
          day = 6500;
          night = 3000;
        };
      };
      udiskie = {
        enable = true;
        automount = false;
        notify = true;
        tray = "auto";
      };
      swaync = {
        enable = true;
        settings = {
          cssPriority = "user";
          image-visibility = "when-available";
          keyboard-shortcut = true;
          relative-timestamps = true;
          timeout = 5;
          timeout-low = 5;
          timeout-critical = 0;
          script-fail-notify = true;
          transition-time = 200;

          # Layer settings
          layer-shell = true;
          layer = "overlay";
          control-center-layer = "overlay";

          # Notification settings
          positionX = "right";
          positionY = "top";
          notification-2fa-action = true;
          notification-inline-replies = false;
          notification-icon-size = 32;
          notification-body-image-height = 100;
          notification-body-image-width = 200;
          notification-window-width = 400;

          # Control center settings
          control-center-positionX = "right";
          control-center-positionY = "top";
          control-center-width = 500;
          control-center-exclusive-zone = true;
          fit-to-screen = true;
          hide-on-action = true;
          hide-on-clear = false;

          # Widget settings
          widgets = [
            "title"
            "dnd"
            "notifications"
            "mpris"
          ];

          widget-config = {
            title = {
              text = "Notifications";
              clear-all-button = true;
              button-text = "Clear All";
            };
            dnd = {
              text = "Do Not Disturb";
            };
            mpris = {
              image-size = 96;
              image-radius = 12;
              blur = true;
            };
          };
        };
        style = ''
          /*** Global ***/
          progress,
          progressbar,
          trough {
            border-radius: 16px;
          }

          .app-icon,
          .image {
            -gtk-icon-effect: none;
          }

          .notification-action {
            border-radius: 12px;
            margin: 0.5rem;
          }

          .close-button {
            margin: 24px;
            padding: 0.2rem;
            border-radius: 16px;
          }

          /*** Notifications ***/
          .notification-group.collapsed
            .notification-row:not(:last-child)
            .notification-action,
          .notification-group.collapsed
            .notification-row:not(:last-child)
            .notification-default-action {
            opacity: 0;
          }

          .trough {
            margin: 4px;
            border-radius: 7px;
          }

          .notification,
          .notification.low,
          .notification.normal,
          .notification.critical,
          .control-center {
            margin: 16px;
            border-radius: 7px;
          }

          .floating-notifications,
          .notification-content {
            border-radius: 7px;
          }

          .control-center-list {
            background: transparent;
          }

          /*** Widgets ***/
          /* Title widget */
          .widget-title {
            margin: 0.5rem;
          }

          .widget-title > label {
            font-weight: bold;
          }

          .widget-title > button {
            border-radius: 16px;
            padding: 0.5rem;
          }

          /* DND Widget */
          .widget-dnd {
            margin: 0.5rem;
          }

          .widget-dnd > label {
            font-weight: bold;
          }

          .widget-dnd > switch {
            border-radius: 16px;
          }

          .widget-dnd > switch slider {
            border-radius: 16px;
            padding: 0.25rem;
          }

          /* Mpris widget */
          .widget-mpris .widget-mpris-player {
            border-radius: 16px;
            margin: 0.5rem;
            padding: 0.5rem;
          }

          .widget-mpris .widget-mpris-player .widget-mpris-album-art {
            border-radius: 16px;
          }

          .widget-mpris .widget-mpris-player .widget-mpris-title {
            font-weight: bold;
          }

          .widget-mpris .widget-mpris-player .widget-mpris-subtitle {
            font-weight: normal;
          }

          .widget-mpris .widget-mpris-player > box > button {
            border: 1px solid transparent;
            border-radius: 16px;
            padding: 0.25rem;
          }
        '';
      };
    };
    programs.fuzzel = {
      enable = true;
      settings = {
        main = {
          terminal = terminal + " -e";
          fields = "filename,name,generic,keywords,categories,exec";
          dpi-aware = true;
          horizontal-pad = 12;
          vertical-pad = 12;
          show-actions = true;
          match-mode = "fuzzy";
          icon-theme = config.dconf.settings."org/gnome/desktop/interface".icon-theme;
        };
        border = mkDefault {
          width = 3;
          radius = 12;
        };
      };
    };
    programs.i3status-rust = {
      enable = true;
      bars = {
        default = {
          theme = "plain";
          blocks = [
            {
              alert = 10.0;
              block = "disk_space";
              info_type = "available";
              interval = 60;
              path = "/";
              warning = 20.0;
            }
            {
              block = "memory";
              format = " $icon mem_used_percents ";
              format_alt = " $icon $swap_used_percents ";
            }
            {
              block = "cpu";
              interval = 1;
            }
            {
              block = "load";
              format = " $icon $1m ";
              interval = 1;
            }
            {
              block = "sound";
            }
            {
              block = "time";
              format = " $timestamp.datetime(f:'%a %d/%m %R') ";
              interval = 60;
            }
          ];
        };
      };
    };
    xdg.configFile.jay = {
      target = "jay/config.toml";
      recursive = true;
      source = (pkgs.formats.toml {}).generate "jay-config" {
        keymap = ''
          xkb_keymap {
              xkb_keycodes { include "evdev+aliases(qwerty)" };
              xkb_types    { include "complete"              };
              xkb_compat   { include "complete"              };
              xkb_symbols  { include "pc+us+inet(evdev)"     };
          };
        '';
        on-graphics-initialized = [
          {
            type = "exec";
            exec = "${perSystem.self.wl-tray-bridge}/bin/wl-tray-bridge";
          }
        ];
        outputs = [
          {
            match.connector = "eDP-1";
            scale = 1.2;
          }
          {
            match.connector = "DP-2";
            scale = 1.33;
          }
        ];
        vrr = {
          mode = "always";
          cursor-hz = 75;
        };
        repeat-rate = {
          rate = 50;
          delay = 200;
        };
        theme = {
          bg-color = "#${colors.base00}";
          bar-bg-color = "#${colors.base00}";
          border-color = "#${colors.base0D}";
          separator-color = "#${colors.base01}";
          bar-status-text-color = "#${colors.base05}";
          focused-title-text-color = "#${colors.base07}";
          focused-title-bg-color = "#${colors.base00}";
          focused-inactive-title-text-color = "#${colors.base03}";
          focused-inactive-title-bg-color = "#${colors.base00}";
          unfocused-title-text-color = "#${colors.base03}";
          unfocused-title-bg-color = "#${colors.base01}";
          attention-requested-bg-color = "#${colors.base09}";
          font = "${config.stylix.fonts.serif.name}";
          border-width = 2;
          title-height = config.stylix.fonts.serif.size;
        };
        status = {
          # format = "pango";
          exec = ["${getExe pkgs.i3status-rs}" "config-default"];
        };
        window-management-key = "Super_L";
        shortcuts = let
          left = "n";
          down = "e";
          up = "i";
          right = "o";
        in {
          "logo-${left}" = "focus-left";
          "logo-${down}" = "focus-down";
          "logo-${up}" = "focus-up";
          "logo-${right}" = "focus-right";
          "logo-shift-${left}" = "move-left";
          "logo-shift-${down}" = "move-down";
          "logo-shift-${up}" = "move-up";
          "logo-shift-${right}" = "move-right";
          logo-d = "split-horizontal";
          logo-v = "split-vertical";
          logo-t = "toggle-split";
          logo-m = "toggle-mono";
          logo-shift-m = "toggle-fullscreen";
          logo-f = "focus-parent";
          logo-q = "close";
          logo-shift-f = "toggle-floating";
          logo-Return = {
            type = "exec";
            exec = "wezterm";
          };
          logo-space = {
            type = "exec";
            exec = launcher;
          };
          logo-shift-ctrl-q = "quit";
          logo-shift-r = "reload-config-toml";
          ctrl-alt-F1 = {
            type = "switch-to-vt";
            num = 1;
          };
          ctrl-alt-F2 = {
            type = "switch-to-vt";
            num = 2;
          };
          ctrl-alt-F3 = {
            type = "switch-to-vt";
            num = 3;
          };
          ctrl-alt-F4 = {
            type = "switch-to-vt";
            num = 4;
          };
          ctrl-alt-F5 = {
            type = "switch-to-vt";
            num = 5;
          };
          ctrl-alt-F6 = {
            type = "switch-to-vt";
            num = 6;
          };
          ctrl-alt-F7 = {
            type = "switch-to-vt";
            num = 7;
          };
          ctrl-alt-F8 = {
            type = "switch-to-vt";
            num = 8;
          };
          ctrl-alt-F9 = {
            type = "switch-to-vt";
            num = 9;
          };
          ctrl-alt-F10 = {
            type = "switch-to-vt";
            num = 10;
          };
          ctrl-alt-F11 = {
            type = "switch-to-vt";
            num = 11;
          };
          ctrl-alt-F12 = {
            type = "switch-to-vt";
            num = 12;
          };
          logo-1 = {
            type = "show-workspace";
            name = "1";
          };
          logo-2 = {
            type = "show-workspace";
            name = "2";
          };
          logo-3 = {
            type = "show-workspace";
            name = "3";
          };
          logo-4 = {
            type = "show-workspace";
            name = "4";
          };
          logo-5 = {
            type = "show-workspace";
            name = "5";
          };
          logo-6 = {
            type = "show-workspace";
            name = "6";
          };
          logo-7 = {
            type = "show-workspace";
            name = "7";
          };
          logo-8 = {
            type = "show-workspace";
            name = "8";
          };
          logo-9 = {
            type = "show-workspace";
            name = "9";
          };
          logo-0 = {
            type = "show-workspace";
            name = "10";
          };
          logo-shift-1 = {
            type = "move-to-workspace";
            name = "1";
          };
          logo-shift-2 = {
            type = "move-to-workspace";
            name = "2";
          };
          logo-shift-3 = {
            type = "move-to-workspace";
            name = "3";
          };
          logo-shift-4 = {
            type = "move-to-workspace";
            name = "4";
          };
          logo-shift-5 = {
            type = "move-to-workspace";
            name = "5";
          };
          logo-shift-6 = {
            type = "move-to-workspace";
            name = "6";
          };
          logo-shift-7 = {
            type = "move-to-workspace";
            name = "7";
          };
          logo-shift-8 = {
            type = "move-to-workspace";
            name = "8";
          };
          logo-shift-9 = {
            type = "move-to-workspace";
            name = "9";
          };
          logo-shift-0 = {
            type = "move-to-workspace";
            name = "10";
          };
        };
      };
    };
    home.packages = with pkgs; [
      jay
      (ifLaptop brightnessctl)
      nautilus
      helvum
      loupe
      papers
      junction
      celluloid
      mission-center
      dconf
      libnotify
      playerctl
      wdisplays
      pwvucontrol
      wl-clipboard-rs
      libqalculate
    ];

    # gtk = {
    #   enable = true;
    #   iconTheme = {
    #     name =
    #       if config.stylix.polarity == "dark"
    #       then "Papirus-Dark"
    #       else "Papirus-Light";
    #     package =
    #       if osConfig.module.stylix.theme == "nord"
    #       then pkgs.papirus-nord
    #       else 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;
      mimeApps = {
        enable = true;
        defaultApplications = let
          file_manager = ["org.gnome.Nautilus.desktop"];
          image_viewer = ["org.gnome.Loupe.desktop"];
          pdf_reader = ["org.gnome.Papers.desktop"];
          video_player = ["io.github.celluloid_player.Celluloid.desktop"];
          web_browser = ["re.sonny.Junction.desktop"];
        in {
          "application/pdf" = pdf_reader;
          "image/jpeg" = image_viewer;
          "image/png" = image_viewer;
          "inode/directory" = file_manager;
          "text/html" = web_browser;
          "video/mp4" = video_player;
          "video/mpeg" = video_player;
          "video/x-matroska" = video_player;
          "video/x-mpeg" = video_player;
          "x-scheme-handler/about" = web_browser;
          "x-scheme-handler/http" = web_browser;
          "x-scheme-handler/https" = web_browser;
          "x-scheme-handler/unknown" = web_browser;
        };
      };
    };
    systemd.user = {
      settings.Manager.DefaultEnvironment = {
        QT_QPA_PLATFORM = "wayland";
        DISPLAY = ":123";
      };
      targets.tray.Unit.Description = "Home Manager System Tray"; # workaround for udiskie
      services = let
        mkGraphicalService = config: graphicalService // config;
        graphicalService = {
          Install.WantedBy = ["niri.service"];
          Unit = {
            Requisite = ["graphical-session.target"];
            PartOf = ["graphical-session.target"];
            After = ["graphical-session.target"];
          };
          Service = {
            Restart = "on-failure";
            TimeoutStopSec = 10;
            RestartSec = 1;
          };
        };
      in {
        udiskie = mkGraphicalService {};
        waybar = mkGraphicalService {};
        network-manager-applet = mkGraphicalService {};
        copyq = mkGraphicalService {
          Service =
            graphicalService.Service
            // {
              Environment = mkForce "QT_QPA_PLATFORM=wayland";
            };
        };
        xwayland-satellite = mkGraphicalService {
          Service =
            graphicalService.Service
            // {
              Type = "simple";
              ExecStart = getExe pkgs.xwayland-satellite + " :123";
            };
        };
        wpaperd = mkGraphicalService {
          Service =
            mkDefault graphicalService.Service;
        };
        gnome-polkit-agent = mkGraphicalService {
          Service =
            graphicalService.Service
            // {
              Type = "simple";
              ExecStart = pkgs.polkit_gnome + "/libexec/polkit-gnome-authentication-agent-1";
            };
        };
      };
    };
  };
}