{ 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/notifications"
          ];

          "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 = ''${pkgs.sway}/bin/swaymsg -t get_inputs | ${pkgs.jq}/bin/jq -r '.[] | select(.identifier == "36125:40349:splitkb_Kyria_rev1") | .xkb_active_layout_name' '';
            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/notifications" = {
            exec = "${pkgs.swaynotificationcenter}/bin/swaync-client --subscribe-waybar";
            on-click = "${pkgs.swaynotificationcenter}/bin/swaync-client --toggle-panel --skip-wait";
            on-click-right = "${pkgs.swaynotificationcenter}/bin/swaync-client --toggle-dnd --skip-wait";
            return-type = "json";
            tooltip = false;
            format = "{icon}";
            format-icons = {
              notification = "<span foreground='red'><sup></sup></span>";
              none = "";
              dnd-notification = "<span foreground='red'><sup></sup></span>";
              dnd-none = "";
            };
            escape = true;
          };
        }
      ];

      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-notifications {
          padding: 0 10px;
        }
      '';
    };
  };
}