{ lib
, pkgs
, config
, ...
}:
with lib; let
  cfg = config.eboskma.programs.waybar;

  wb-dunst = pkgs.writeShellScriptBin "wb-dunst" ''
    COUNT=$(${pkgs.dunst}/bin/dunstctl count waiting)
    ENABLED=" "
    DISABLED=" "
    if [[ ''${COUNT} != 0 ]]; then DISABLED="  ''${COUNT}"; fi
    if ${pkgs.dunst}/bin/dunstctl is-paused | grep -q "false" ; then echo "''${ENABLED}"; else echo "''${DISABLED}"; fi
  '';
in
{
  options.eboskma.programs.waybar.enable = mkEnableOption "Enable waybar";

  config = mkIf cfg.enable {
    programs.waybar = {
      enable = true;
      systemd.enable = true;

      settings = [
        {
          layer = "top";
          position = "top";
          height = 32;

          modules-left = [
            "sway/workspaces"
            "sway/mode"
            "custom/now_playing"
          ];
          modules-center = [
            "sway/window"
          ];
          modules-right = [
            "network"
            "memory"
            "cpu"
            "temperature"
            "custom/keyboard-layout"
            "pulseaudio"
            "tray"
            "clock#date"
            "clock#time"
            "idle_inhibitor"
            # "custom/dunst"
          ];
          modules = {
            "clock#time" = {
              interval = 1;
              format = "{:%H:%M:%S}";
              tooltip = false;
            };

            "clock#date" = {
              interval = 10;
              format = "  {:%e %b %Y}";
              tooltip-format = "{:%e %B %Y}";
            };

            "cpu" = {
              interval = 5;
              format = "﬙  {usage}% ({load})";
              states = {
                warning = 70;
                critical = 90;
              };
            };

            "custom/keyboard-layout" = {
              exec = "swaymsg -t get_inputs | grep -m1 'xkb_active_layout_name' | cut -d '\"' -f4";
              interval = 30;
              format = "  {}"; # Icon: keyboard
              # Signal sent by Sway key binding (~/.config/sway/key-bindings)
              signal = 1; # SIGHUP
              tooltip = false;
            };

            "memory" = {
              interval = 5;
              format = "  {}%"; # Icon: memory
              states = {
                warning = 70;
                critical = 90;
              };
            };

            "network" = {
              interval = 5;
              format-wifi = "直 {essid} ({signalStrength}%)"; # Icon: wifi
              format-ethernet = "  {ifname}: {ipaddr}/{cidr}"; # Icon: ethernet
              format-disconnected = "⚠  Disconnected";
              tooltip-format = "{ifname}: {ipaddr}";
            };

            "sway/mode" = {
              format = "<span style=\"italic\">  {}</span>"; # Icon: expand-arrows-alt
              tooltip = false;
            };

            # TODO: package as nix thingy
            "custom/now_playing" = {
              exec = "${pkgs.ha-now-playing}/bin/ha-now-playing --host home.datarift.nl --entity media_player.sonos_woonkamer --token-file /run/secrets/ha_now_playing_token";
              exec-on-event = false;
              format = " ♪ {}";
              restart-interval = 1;
              return-type = "json";
              on-click = "${pkgs.ha-now-playing}/bin/ha-now-playing --host home.datarift.nl --entity media_player.sonos_woonkamer --token-file /run/secrets/ha_now_playing_token play-pause";
              on-scroll-down = "${pkgs.ha-now-playing}/bin/ha-now-playing --host home.datarift.nl --entity media_player.sonos_woonkamer --token-file /run/secrets/ha_now_playing_token volume-up";
              on-scroll-up = "${pkgs.ha-now-playing}/bin/ha-now-playing --host home.datarift.nl --entity media_player.sonos_woonkamer --token-file /run/secrets/ha_now_playing_token volume-down";
            };

            "sway/window" = {
              format = "{}";
              max-length = 120;
            };

            "sway/workspaces" = {
              all-outputs = false;
              disable-scroll = true;
              format = "{icon} {name}";
              format-icons = {
                "urgent" = "";
                "focused" = "";
                "default" = "";
              };
            };

            "pulseaudio" = {
              #scroll-step = 1;
              format = "{icon}  {volume}%";
              format-bluetooth = "{icon}  {volume}%";
              format-muted = "婢";
              format-icons = {
                headphones = "";
                handsfree = "";
                headset = "";
                phone = "";
                portable = "";
                car = "";
                default = [ "奄" "奔" "墳" ];
              };
              on-click = "pavucontrol";
            };

            "temperature" = {
              hwmon-path = "/sys/class/hwmon/hwmon2/temp1_input";
              critical-threshold = 80;
              interval = 5;
              format = "{icon}  {temperatureC}°C";
              format-icons = [
                "" # Icon = temperature-empty
                "" # Icon = temperature-quarter
                "" # Icon = temperature-half
                "" # Icon = temperature-three-quarters
                "" # Icon = temperature-full
              ];
              tooltip = true;
            };

            "tray" = {
              icon-size = 21;
              spacing = 10;
            };
            "idle_inhibitor" = {
              format = "<span size=\"large\">{icon}</span>";
              format-icons = {
                activated = "﯎";
                deactivated = "﯏";
              };
            };
            # "custom/dunst" = {
            #   exec = "${wb-dunst}/bin/wb-dunst";
            #   on-click = "${pkgs.dunst}/bin/dunstctl set-paused toggle";
            #   restart-interval = 1;
            # };
          };
        }
      ];

      style = ''
        @keyframes blink-warning {
            70% {
                color: white;
            }

            to {
                color: white;
                background-color: orange;
            }
        }

        @keyframes blink-critical {
            70% {
              color: white;
            }

            to {
                color: white;
                background-color: red;
            }
        }

        * {
            border: none;
            border-radius: 0;
            min-height: 0;
            margin: 0;
            padding: 0;
        }

        #waybar {
            background: rgba(0, 0, 0, 0.8);
            color: white;
            font-family: "MesloLGM Nerd Font", sans-serif;
            font-size: 13px;
        }

        #battery,
        #clock,
        #cpu,
        #custom-keyboard-layout,
        #memory,
        #mode,
        #network,
        #pulseaudio,
        #temperature,
        #tray,
        #custom-now_playing,
        #idle_inhibitor {
            padding-left: 10px;
            padding-right: 10px;
        }

        #battery {
            animation-timing-function: linear;
            animation-iteration-count: infinite;
            animation-direction: alternate;
        }

        #battery.warning {
            color: orange;
        }

        #battery.critical {
            color: red;
        }

        #battery.warning.discharging {
            animation-name: blink-warning;
            animation-duration: 3s;
        }

        #battery.critical.discharging {
            animation-name: blink-critical;
            animation-duration: 2s;
        }

        #clock {
            font-weight: bold;
        }

        #cpu {
          /* No styles */
        }

        #cpu.warning {
            color: orange;
        }

        #cpu.critical {
            color: red;
        }

        #memory {
            animation-timing-function: linear;
            animation-iteration-count: infinite;
            animation-direction: alternate;
        }

        #memory.warning {
            color: orange;
        }

        #memory.critical {
            color: red;
            animation-name: blink-critical;
            animation-duration: 2s;
        }

        #mode {
            background: #64727D;
            border-top: 2px solid white;
            /* To compensate for the top border and still have vertical centering */
            padding-bottom: 2px;
        }

        #network {
            /* No styles */
        }

        #network.disconnected {
            color: orange;
        }

        #pulseaudio {
            /* No styles */
        }

        #pulseaudio.muted {
            /* No styles */
        }

        #custom-spotify {
            color: rgb(102, 220, 105);
        }

        #temperature {
            /* No styles */
        }

        #temperature.critical {
            color: red;
        }

        #tray {
            /* No styles */
        }

        #window {
            font-weight: bold;
        }

        #workspaces button {
            border-top: 2px solid transparent;
            /* To compensate for the top border and still have vertical centering */
            padding-bottom: 2px;
            padding-left: 10px;
            padding-right: 10px;
            color: #888888;
        }

        #workspaces button.focused {
            border-color: #4c7899;
            color: white;
            background-color: #285577;
        }

        #workspaces button.urgent {
            border-color: #c9545d;
            color: #c9545d;
        }

        #idle_inhibitor {
          background-color: transparent;
          font-weight: bold;
          padding-right: 10px;
        }

        #idle_inhibitor.activated {
          background-color: #c9545d;
          color: #ffffff;
        }

        #custom-now_playing {
          font-weight: bold;
        }

        #custom-dunst {
          padding: 0 10px;
        }
      '';
    };
  };
}