{
  config,
  lib,
  ...
}:
with lib; let
  cfg = config.modules.waybar;
in {
  options.modules.waybar = {
    enable = mkEnableOption "Enables waybar.";
    battery = mkEnableOption "Enables battery support.";
    style = mkOption {
      type = types.path;
      example = ./style.css;
    };
  };
  config.programs.waybar = mkIf cfg.enable {
    inherit (cfg) enable;
    systemd.enable = true;
    settings = {
      topBar = {
        height = 24;
        spacing = 2;
        modules-left = ["hyprland/workspaces" "hyprland/submap" "hyprland/window"];
        modules-center = [];
        modules-right = [
          "idle_inhibitor"
          "group/audio"
          "group/hardware"
          "network"
          "privacy"
          "clock"
          "tray"
        ];

        idle_inhibitor = {
          format = "{icon}";
          format-icons = {
            activated = "";
            deactivated = "";
          };
        };

        mpris = {
          dynamic-order = ["title" "artist" "album"];
          dynamic-importance-order = ["title" "artist" "album"];
          format = "DEFAULT: {player_icon} {dynamic}";
          format-paused = "DEFAULT: {status_icon} <i>{dynamic}</i>";
          player-icons = {
            default = "▶";
            mpv = "🎵";
          };
          status-icons.paused = "⏸";
          ignored-players = [];
        };

        pulseaudio = {
          format = "{volume}% {icon} {format_source}";
          format-bluetooth = "{volume}% {icon} {format_source}";
          format-bluetooth-muted = " {icon} {format_source}";
          format-muted = " {format_source}";
          format-source = "{volume}% ";
          format-source-muted = "";
          format-icons = {
            headphone = "";
            hands-free = "";
            headset = "";
            phone = "";
            portable = "";
            car = "";
            default = ["" "" ""];
          };
          on-click = "pavucontrol";
        };

        network = {
          format-wifi = "{essid} ({signalStrength}%) ";
          format-ethernet = "{ipaddr}/{cidr} ";
          tooltip-format = "{ifname} via {gwaddr} ";
          format-linked = "{ifname} (No IP) ";
          format-disconnected = "Disconnected ⚠";
          format-alt = "{ifname}: {ipaddr}/{cidr}";
        };

        "group/audio" = {
          modules = ["mpris" "pulseaudio" "pulseaudio/slider"];
          orientation = "inherit";
          drawer.transition-duration = 300;
        };

        "group/hardware" = {
          modules = lists.optional cfg.battery "battery" ++ ["cpu" "memory" "disk"];
          orientation = "inherit";
          drawer.transition-duration = 300;
        };

        cpu = {
          format = "{usage}% ";
          tooltip = false;
        };

        memory.format = "{}% ";

        disk = {
          format = "{path}: {used}/{total} ({percentage_used}%)";
          unit = "GB";
        };

        battery = {
          states = {
            good = 90;
            warning = 30;
            critical = 15;
          };
          format = "{capacity}% {icon}";
          format-charging = "{capacity}% ";
          format-plugged = "{capacity}% ";
          format-alt = "{time} {icon}";
          # An empty format will hide the module
          format-good = "";
          format-full = "";
          format-icons = ["" "" "" "" ""];
        };

        clock = {
          timezones = ["Europe/Paris" "Asia/Tokyo" "America/New_York" "America/Los_Angeles" "Asia/Kathmandu"];
          tooltip-format = "<big>{:%Y %B}</big>\n<tt><small>{calendar}</small></tt>";
          format-alt = "{:%Y-%m-%d}";
          actions = {
            on-click-right = "mode";
            on-scroll-up = "tz_up";
            on-scroll-down = "tz_down";
          };
          calendar = {
            mode = "year";
            mode-mon-col = 3;
            weeks-pos = "right";
            on-scroll = 1;
            format = {
              months = "<span color='#eceff4'><b>{}</b></span>";
              days = "<span color='#5e81ac'><b>{}</b></span>";
              weeks = "<span color='#8fbcbb'><b>W{:%W}</b></span>";
              weekdays = "<span color='#d8dee9'><b>{}</b></span>";
              today = "<span color='#a3be8c'><b><u>{}</u></b></span>";
            };
          };
        };

        tray.spacing = 10;
      };
    };
    style = builtins.readFile cfg.style;
  };
}