{ config, pkgs, ... }: {
  systemd.user.targets.tray.Unit = {
    Description = "Home Manager System Tray";
    Requires = [ "graphical-session-pre.target" ];
  };
  programs.waybar = {
    enable = true;
    style = ./style.css;
    systemd = {
      enable = true;
      target = "hyprland-session.target";
    };
    settings.main = {
      layer = "top";
      position = "top";
      # Layout
      "modules-left" = [ "hyprland/window" "mpris" ];
      "modules-center" = [ "hyprland/workspaces" ];
      "modules-right" = [
        "custom/notification"
        "pulseaudio"
        "clock"
        "custom/separator"
        "backlight"
        "battery"
        "tray"
      ];
      # Module config
      "custom/separator" = { format = "|"; };
      "hyprland/window" = {
        "format" = "{title}";
        # TODO workspace rewrites
        "rewrite" = {
          "(.*) - GNU Emacs at (.*)" = "  $1 [$2]";
          "foot" = " ";
          "Nyxt - (.*)" = "󰀹  $1";
          "(.*) — Mozilla Firefox" = "󰈹  $1";
          "(.*) - Chromium" = "󰊯  $1";
          "(.*) - Thunar" = "󰝰  $1";
          ".*WebCord (.*)" = "󰙯  $1";
          "(Steam|steam)" = "󰓓 ";
          "(.*) - mpv" = "󰦟  $1";
          "Microsoft Teams - (.*)" = "󰊻  $1";
        };
        "separate-outputs" = true;
      };
      "hyprland/workspaces" = {
        format = "{icon}";
        format-icons = {
          default = "󰋙 ";
          active = "󰫈 ";
          urgent = "󰁡 ";
        };
        show-special = false;
        sort-by = "id";
        persistent-workspaces = {
          "1" = [ ];
          "2" = [ ];
          "3" = [ ];
          "4" = [ ];
          "5" = [ ];
          "6" = [ ];
        };
      };
      mpris = {
        "format" = "> {player_icon} {player}";
        "tooltip-format" = "{player_icon} ({player}) {dynamic}";
        "interval" = 1;
        "dynamic-order" = [ "album" "artist" "title" "position" "length" ];
        "player-icons" = {
          "default" = "󰲸 ";
          "emms" = " ";
          "firefox" = "󰈹 ";
          "mpv" = "󰦟 ";
        };
        "status-icons" = {
          "playing" = "󰐊";
          "paused" = "󰏤";
          "stopped" = "󰓛";
        };
        "ignored-players" = [ ];
      };
      pulseaudio = {
        scroll-step = 5;
        format = "{format_source} {icon} {volume}%";
        format-muted = "{format_source} 󰝟 ";
        format-source = "󰍬";
        format-source-muted = "󰍭";
        format-icons = {
          car = "󰄍";
          default = [ "󰕿" "󰖀" "󰕾" ];
          hands-free = "󰥰";
          headset = "󰋎";
          phone = "󰏲";
          portable = "󰏳";
          headphone = "󰋋";
        };
        on-click = "pavucontrol";
        on-click-middle = "volumectl -m %";
        on-click-right = "volumectl %";
        on-scroll-up = "volumectl -u + 5";
        on-scroll-down = "volumectl -u - 5";
      };
      disk = {
        format = "󰋊 {percentage_used}%";
        path = config.home.homeDirectory;
      };
      cpu = {
        format = "󰻠 {usage}%";
        tooltip = false;
      };
      memory = { format = "󰍛 {}%"; };
      temperature = {
        critical-threshold = 80;
        format = "{icon} {temperatureC}°C";
        format-icons = [ "󱃃" "󰔏" "󱃂" ];
      };
      clock = {
        format = "{:󰃭 %Y-%m-%d 󰥔 %R}";
        format-alt = "{:󰥔 %R}";
        tooltip-format = "<tt><small>{calendar}</small></tt>";
        calendar = {
          mode = "month";
          mode-mon-col = 3;
          weeks-pos = "left";
          on-scroll = 1;
          on-click-right = "mode";
          format = {
            months = "<span color='#ffead3'><b>{}</b></span>";
            days = "<span color='#ecc6d9'><b>{}</b></span>";
            weeks = "<span color='#99ffdd'><b>W{}</b></span>";
            weekdays = "<span color='#ffcc66'><b>{}</b></span>";
            today = "<span color='#ff6699'><b><u>{}</u></b></span>";
          };
        };
        actions = {
          on-click-right = "mode";
          on-scroll-up = "shift_up";
          on-scroll-down = "shift_down";
        };
      };
      backlight = {
        format = "{icon} ";
        tooltip-format = "{percent}%";
        format-icons = [ "" "" "" "" "" "" "" "" "" ];
      };
      battery = {
        states = {
          warning = 30;
          critical = 15;
        };
        format = "{icon} ";
        format-charging = "󰂄 ";
        format-plugged = "󰚥 ";
        tooltip-format = "{capacity}% {time}";
        format-icons = [ "󱃍" "󰁺" "󰁻" "󰁼" "󰁽" "󰁾" "󰁿" "󰂀" "󰂁" "󰂂" "󰁹" ];
      };
      "custom/notification" = let swaync = pkgs.swaynotificationcenter;
      in {
        "tooltip" = false;
        "format" = "{icon}{}";
        "format-icons" = {
          "notification" = "󱅫 ";
          "none" = "󰂚 ";
          "dnd-notification" = "󰅸 ";
          "dnd-none" = "󰂜 ";
          "inhibited-notification" = "󰅸 ";
          "inhibited-none" = "󰂜 ";
          "dnd-inhibited-notification" = "󰅸 ";
          "dnd-inhibited-none" = "󰂜 ";
        };
        "return-type" = "json";
        "exec-if" = "which ${swaync}/bin/swaync-client";
        "exec" = "${swaync}/bin/swaync-client -swb";
        "on-click" = "${swaync}/bin/swaync-client -t -sw";
        "on-click-right" = "${swaync}/bin/swaync-client -d -sw";
        "escape" = true;
      };
      tray = {
        icon-size = 16;
        show-passive-items = true;
        spacing = 5;
      };
    };
  };
}