{ lib, pkgs, ... }:
{
  config = {
    programs.waybar = {
      enable = true;
      systemd = {
        enable = true;
        target = "graphical-session.target";
      };
      settings = let
        windowRewrites = {
          "(.*) — Mozilla Firefox" = "$1";
          "(.*) - Mozilla Thunderbird" = "$1";
          "(.*) - mpv" = "$1";
        };
        iconSize = 11;
      in [
        {
          layer = "top";
          position = "top";
          height = 14;
          output = [ "eDP-1" "DP-2" "DP-3" ];
          modules-left = [ "niri/workspaces" ];
          modules-center = [ "niri/window" ];
          modules-right = [ # "custom/worktime" "custom/worktime-today"
            "custom/weather"
            # "custom/keymap"
            "privacy" "tray" "wireplumber" "backlight" "battery" "idle_inhibitor" "clock" ];

          "custom/weather" = {
            format = "{}";
            tooltip = true;
            interval = 3600;
            exec = "${lib.getExe pkgs.wttrbar} --hide-conditions --nerd --custom-indicator \"<span font=\\\"Symbols Nerd Font Mono\\\" size=\\\"120%\\\">{ICON}</span> {FeelsLikeC}°\"";
            return-type = "json";
          };
          "custom/keymap" = {
            format = "{}";
            tooltip = true;
            return-type = "json";
            exec = pkgs.writers.writePython3 "keymap" {} ''
              import os
              import socket
              import re
              import subprocess
              import json


              def output(keymap):
                  short = keymap
                  if keymap == "English (programmer Dvorak)":
                      short = "dvp"
                  elif keymap == "English (US)":
                      short = "<span color=\"#ffffff\">us</span>"
                  print(json.dumps({'text': short, 'tooltip': keymap}, separators=(',', ':')), flush=True)  # noqa: E501


              r = subprocess.run(["hyprctl", "devices", "-j"], check=True, stdout=subprocess.PIPE, text=True)  # noqa: E501
              for keyboard in json.loads(r.stdout)['keyboards']:
                  if keyboard['name'] != "at-translated-set-2-keyboard":
                      continue
                  output(keyboard['active_keymap'])

              sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
              sock.connect(os.environ["XDG_RUNTIME_DIR"] + "/hypr/" + os.environ["HYPRLAND_INSTANCE_SIGNATURE"] + "/.socket2.sock")  # noqa: E501
              expected = re.compile(r'^activelayout>>at-translated-set-2-keyboard,(?P<keymap>.+)$')  # noqa: E501
              for line in sock.makefile(buffering=1, encoding='utf-8'):
                  if match := expected.match(line):
                      output(match.group("keymap"))
            '';
            on-click = "hyprctl switchxkblayout at-translated-set-2-keyboard next";
          };
          "custom/worktime" = {
            interval = 60;
            exec = lib.getExe pkgs.worktime;
            tooltip = false;
          };
          "custom/worktime-today" = {
            interval = 60;
            exec = "${lib.getExe pkgs.worktime} today";
            tooltip = false;
          };
          "niri/workspaces" = {};
          "niri/window" = {
            separate-outputs = true;
            icon = true;
            icon-size = 14;
            rewrite = windowRewrites;
          };
          clock = {
              interval = 1;
              # timezone = "Europe/Berlin";
              format = "W{:%V-%u %F %H:%M:%S%Ez}";
              tooltip-format = "<tt><small>{calendar}</small></tt>";
              calendar = {
                mode = "year";
                mode-mon-col = 3;
                weeks-pos = "left";
                on-scroll = 1;
                format = {
                  months = "<span color='#ffead3'><b>{}</b></span>";
                  days = "{}";
                  weeks = "<span color='#99ffdd'><b>{}</b></span>";
                  weekdays = "<span color='#ffcc66'><b>{}</b></span>";
                  today = "<span color='#ff6699'><b>{}</b></span>";
                };
              };
          };
          battery = {
            format = "<span font=\"Symbols Nerd Font Mono\" size=\"90%\">{icon}</span>";
            icon-size = iconSize - 2;
            states = { warning = 30; critical = 15; };
            format-icons = ["&#xf008e;" "&#xf007a;" "&#xf007b;" "&#xf007c;" "&#xf007d;" "&#xf007e;" "&#xf007f;" "&#xf0080;" "&#xf0081;" "&#xf0082;" "&#xf0079;" ];
            format-charging = "&#xf0084;";
            format-plugged = "&#xf06a5;";
            tooltip-format = "{capacity}% {timeTo}";
            interval = 20;
          };
          tray = {
            icon-size = 16;
            # show-passive-items = true;
            spacing = 1;
          };
          privacy = {
            icon-spacing = 7;
            icon-size = iconSize;
            modules = [
              { type = "screenshare"; }
              { type = "audio-in"; }
            ];
          };
          idle_inhibitor = {
            format = "<span font=\"Symbols Nerd Font Mono\" size=\"90%\">{icon}</span>";
            icon-size = iconSize;
            format-icons = { activated = "&#xf0208;"; deactivated = "&#xf0209;"; };
            timeout = 120;
          };
          backlight = {
            format = "<span font=\"Symbols Nerd Font Mono\" size=\"90%\">{icon}</span>";
            icon-size = iconSize;
            tooltip-format = "{percent}%";
            format-icons = ["&#xf00da;" "&#xf00db;" "&#xf00dc;" "&#xf00dd;" "&#xf00de;" "&#xf00df;" "&#xf00e0;"];
            on-scroll-up = "lightctl -d -e4 -n1 up";
            on-scroll-down = "lightctl -d -e4 -n1 down";
          };
          wireplumber = {
            format = "<span font=\"Symbols Nerd Font Mono\" size=\"90%\">{icon}</span>";
            icon-size = iconSize;
            tooltip-format = "{volume}% {node_name}";
            format-icons = ["&#xf057f;" "&#xf0580;" "&#xf057e;"];
            format-muted = "<span font=\"Symbols Nerd Font Mono\" size=\"90%\">&#xf075f;</span>";
            # ignored-sinks = ["Easy Effects Sink"];
            on-scroll-up = "volumectl -d -u up";
            on-scroll-down = "volumectl -d -u down";
            on-click = "volumectl -d toggle-mute";
          };
        }
        {
          layer = "top";
          position = "top";
          height = 14;
          output = [ "!eDP-1" "!DP-2" "!DP-3" ];
          modules-left = [ "niri/workspaces" ];
          modules-center = [ "niri/window" ];
          modules-right = [ "clock" ];

          "niri/workspaces" = {};
          "niri/window" = {
            separate-outputs = true;
            icon = true;
            icon-size = 14;
            rewrite = windowRewrites;
          };
          clock = {
              interval = 1;
              # timezone = "Europe/Berlin";
              format = "{:%H:%M}";
              tooltip-format = "W{:%V-%u %F %H:%M:%S%Ez}";
          };
        }
      ];
      style = ''
        @define-color white #ffffff;
        @define-color grey #555555;
        @define-color blue #1a8fff;
        @define-color green #23fd00;
        @define-color orange #f28a21;
        @define-color red #f2201f;

        * {
          border: none;
          font-family: "Fira Sans Nerd Font";
          font-size: 10pt;
          min-height: 0;
        }

        window#waybar {
          background-color: rgba(0, 0, 0, 0.66);
          color: @white;
        }

        .modules-left {
          margin-left: 9px;
        }
        .modules-right {
          margin-right: 9px;
        }

        .module {
          margin: 0 5px;
        }

        #workspaces button {
          color: @white;
          padding: 2px 5px;
        }
        #workspaces button.empty {
          color: @grey;
        }
        #workspaces button.active {
          color: @green;
        }
        #workspaces button.urgent {
          color: @red;
        }

        #custom-weather, #custom-keymap, #custom-worktime, #custom-worktime-today {
          color: @grey;
          margin: 0 5px;
        }
        #custom-weather, #custom-worktime-today {
          margin-right: 3px;
        }
        #custom-keymap, #custom-weather {
          margin-left: 3px;
        }

        #tray {
          margin: 0;
        }
        #battery, #idle_inhibitor, #backlight, #wireplumber {
          color: @grey;
          margin: 0 5px 0 2px;
        }
        #idle_inhibitor {
          margin-right: 2px;
          margin-left: 3px;
        }
        #battery {
          margin-right: 3px;
        }
        #battery.discharging {
          color: @white;
        }
        #battery.warning {
          color: @orange;
        }
        #battery.critical {
          color: @red;
        }
        #battery.charging {
          color: @white;
        }
        #idle_inhibitor.activated {
          color: @white;
        }

        #idle_inhibitor {
          padding-top: 1px;
        }

        #privacy {
          color: @red;
          margin: -1px 2px 0px 5px;
        }
        #clock {
          /* margin-right: 5px; */
        }
      '';
    };
  };
}