{
  lib,
  config,
  pkgs,
  ...
}: let
  cfg = config.marleyos.programs.waybar;
in {
  options.marleyos.programs.waybar = {
    enable = lib.mkEnableOption "waybar";

    keybindings-script = lib.mkOption {
      type = lib.types.listOf lib.types.str;
      default = "";
      description = "The keybindings to use for a cheatsheet.";
    };
  };

  config = lib.mkIf cfg.enable {
    marleyos.services.swaync.enable = true;

    programs.waybar = let
      keybindings-script =
        pkgs.writeShellScript "keybindings-cheatsheet-wayland"
        # bash
        ''
          ${lib.getExe pkgs.yad} \
          --width=800 \
          --height=650 \
          --center \
          --fixed \
          --title="Keybindings" \
          --no-buttons \
          --list \
          --column=Key: \
          --column=Description: \
          --column=Command: \
          --timeout=90 \
          --timeout-indicator=right \
          ${lib.concatStringsSep "\\\n" cfg.keybindings-script} \
          ""
        '';
    in {
      enable = true;

      # https://gitlab.com/Zaney/zaneyos/-/blob/main/config/waybar.nix
      settings = [
        {
          layer = "top";
          position = "top";

          modules-left = [
            "custom/startmenu"
            "hyprland/window"
            "pulseaudio"
            "cpu"
            "memory"
            "idle_inhibitor"
          ];
          modules-center = ["hyprland/workspaces"];
          modules-right = [
            "custom/hyprbindings"
            "custom/notifications"
            "custom/exit"
            "battery"
            "tray"
            "clock"
          ];

          "hyprland/workspaces" = let
            hyprctl =
              lib.getExe' config.wayland.windowManager.hyprland.package "hyprctl";
          in {
            format = "{name}";
            format-icons = {
              default = " ";
              active = " ";
              urgent = " ";
            };
            on-scroll-up = "${hyprctl} dispatch workspace e+1";
            on-scroll-down = "${hyprctl} dispatch workspace e-1";
          };

          "clock" = {
            format = " {:L%I:%M %p}";
            tooltip = true;
            tooltip-format = "<big>{:%A, %d.%B %Y }</big>\n<tt><small>{calendar}</small></tt>";
          };

          "hyprland/window" = {
            max-length = 22;
            separate-outputs = false;
            rewrite = {
              "" = " 🙈 No Windows? ";
            };
          };

          "memory" = {
            interval = 5;
            format = " {}%";
            tooltip = true;
          };

          "cpu" = {
            interval = 5;
            format = " {usage:2}%";
            tooltip = true;
          };

          "disk" = {
            format = " {free}";
            tooltip = true;
          };

          "network" = {
            format-icons = [
              "󰤯"
              "󰤟"
              "󰤢"
              "󰤥"
              "󰤨"
            ];
            format-ethernet = " {bandwidthDownOctets}";
            format-wifi = "{icon} {signalStrength}%";
            format-disconnected = "󰤮";
            tooltip = false;
          };

          "tray" = {
            spacing = 12;
          };

          "pulseaudio" = {
            format = "{icon} {volume}% {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 = "sleep 0.1 && ${lib.getExe pkgs.pwvucontrol}";
          };

          "custom/exit" = {
            tooltip = false;
            format = "";
            on-click = "sleep 0.1 && ${lib.getExe pkgs.wlogout}";
          };

          "custom/startmenu" = {
            tooltip = false;
            format = "";
            on-click = let
              inherit (config.marleyos.apps) launcher;
            in "sleep 0.1 && ${lib.getExe launcher.package} ${launcher.command}";
          };

          "custom/hyprbindings" = {
            tooltip = false;
            format = "󱕴";
            on-click = "sleep 0.1 && ${keybindings-script}";
          };

          "idle_inhibitor" = {
            format = "{icon}";
            format-icons = {
              activated = "";
              deactivated = "";
            };
            tooltip = "true";
          };

          "custom/notifications" = let
            swaync-client =
              lib.getExe' config.services.swaync.package "swaync-client";
          in {
            tooltip = false;
            format = "{icon} {}";
            format-icons = {
              notification = "<span foreground='red'><sup></sup></span>";
              none = "";
              dnd-notification = "<span foreground='red'><sup></sup></span>";
              dnd-none = "";
              inhibited-notification = "<span foreground='red'><sup></sup></span>";
              inhibited-none = "";
              dnd-inhibited-notification = "<span foreground='red'><sup></sup></span>";
              dnd-inhibited-none = "";
            };
            return-type = "json";
            exec = "${swaync-client} -swb";
            on-click = "sleep 0.1 && ${swaync-client} -t";
            escape = true;
          };

          "battery" = {
            states = {
              warning = 30;
              critical = 15;
            };
            format = "{icon} {capacity}%";
            format-charging = "󰂄 {capacity}%";
            format-plugged = "󱘖 {capacity}%";
            format-icons = [
              "󰁺"
              "󰁻"
              "󰁼"
              "󰁽"
              "󰁾"
              "󰁿"
              "󰂀"
              "󰂁"
              "󰂂"
              "󰁹"
            ];
            on-click = "";
            tooltip = false;
          };
        }
      ];

      style = let
        transition = "all 0.3s cubic-bezier(.55,-0.68,.48,1.682)";
      in
        lib.concatStrings [
          (lib.optionalString config.rose-pine.enable
            #css
            ''
              @define-color zero @base;
              @define-color one @surface;
              @define-color two @overlay;
              @define-color four @subtle;
              @define-color seven @highlightHigh;
              @define-color eight @love;
              @define-color b @pine;
              @define-color e @gold;
              @define-color d @iris;
              @define-color accentFour @foam;
            '')
          # css
          ''
            * {
              font-family: ${config.marleyos.theme.fonts.monospace.name};
              font-size: 16px;
              border-radius: 0;
              border: none;
              min-height: 0;
            }

            window#waybar {
              background: transparent;
            }

            #workspaces {
              color: @zero;
              background: @one;
              margin: 4px 4px;
              padding: 5px 5px;
              border-radius: 16px;
            }

            #workspaces button {
              font-weight: bold;
              padding: 0 5px;
              margin: 0 3px;
              border-radius: 16px;
              color: @zero;
              background: linear-gradient(45deg, @eight, @d);
              opacity: 0.5;
              transition: ${transition};
            }

            #workspaces button.active {
              font-weight: bold;
              padding: 0 5px;
              margin: 0 3px;
              border-radius: 16px;
              color: @zero;
              background: linear-gradient(45deg, @eight, @d);
              opacity: 1.0;
              transition: ${transition};
              min-width: 40px;
            }

            #workspaces button:hover {
              font-weight: bold;
              border-radius: 16px;
              color: @zero;
              background: linear-gradient(45deg, @eight, @iris);
              opacity: 0.8;
              transition: ${transition};
            }

            tooltip {
              background: @zero;
              border: 1px solid @eight;
              border-radius: 12px;
            }

            tooltip label {
              color: @eight;
            }

            #window, #pulseaudio, #cpu, #memory, #idle_inhibitor {
              font-weight: bold;
              margin: 4px 0;
              margin-left: 7px;
              padding: 0 18px;
              background: @four;
              color: @zero;
              border-radius: 24px 10px 24px 10px;
            }

            #custom-startmenu {
              color: @b;
              background: @two;
              font-size: 28px;
              margin: 0;
              padding: 0 30px 0 15px;
              border-radius: 0 0 40px 0;
            }

            #custom-hyprbindings, #network, #battery, #custom-notifications,
            #tray, #custom-exit {
              font-weight: bold;
              background: @seven;
              color: @zero;
              margin: 4px 0;
              margin-right: 7px;
              border-radius: 10px 24px 10px 24px;
              padding: 0 18px;
            }

            #clock {
              font-weight: bold;
              color: @zero;
              background: linear-gradient(90deg, @e, @accentFour);
              margin: 0;
              padding: 0 15px 0 30px;
              border-radius: 0 0 0 40px;
            }
          ''
        ];
    };
  };
}