{ pkgs, ... }:
{
  services.polybar = {
    enable = true;
    package = pkgs.polybar.override {
      pulseSupport = true;
    };

    script = "polybar main &";

    settings =
      let
        colors = {
          background = "#050505";
          background-alt = "#373B41";
          foreground = "#F1F1F1";
          focused = "#4D406B";
          primary = "#E04845";
          occupied = "#505050";
          secondary = "#8ABEB7";
          alert = "#A54242";
          disabled = "#707880";
        };
      in
      {
        "bar/main" = {
          width = "100%";
          height = "18pt";
          radius = 0;

          background = "${colors.background}";
          foreground = "${colors.foreground}";

          line.size = "3pt";

          border = {
            size = "0pt";
            color = "#00000000";
          };

          padding = {
            left = 1;
            right = 1;
          };

          module.margin = 1;

          separator.foreground = "${colors.disabled}";

          font = [ "JetBrainsMonoNerdFont:size=9" ];

          modules = {
            left = "bspwm";
            right = "volume cpu date";
          };

          cursor.click = "pointer";

          wm.restack = "bspwm";
        };

        "module/bspwm" = {
          type = "internal/bspwm";
          pin.workspaces = true;

          label = {
            focused = {
              text = "%index%";
              foreground = "${colors.foreground}";
              padding = 1;
            };

            occupied = {
              text = "%index%";
              foreground = "${colors.occupied}";
              padding = 1;
            };

            urgent = {
              text = "%index%";
              foreground = "${colors.foreground}";
              background = "${colors.background-alt}";
              padding = 1;
            };

            empty = {
              text = "";
              padding = 1;
            };
          };
        };

        "module/cpu" = {
          type = "internal/cpu";
          interval = 2;
          format = "<ramp-coreload>";
          ramp.coreload = {
            text = [ "▁" "▂" "▃" "▄" "▅" "▆" "▇" ];
            spacing = 0;
          };
        };

        "module/volume" = {
          type = "internal/pulseaudio";
          format = {
            volume = {
              text = "<ramp-volume><label-volume>";
              background = "${colors.foreground}";
            };
          };

          label = {
            volume = {
              text = "%percentage%%";
              foreground = "${colors.foreground}";
              background = "${colors.background}";
              padding.left = 2;
            };

            muted = {
              text = "  0%";
              foreground = "${colors.foreground}";
              background = "${colors.background}";
              padding = 0;
            };
          };

          ramp.volume = {
            text = [ "" "" "" ];
            foreground = "${colors.foreground}";
            background = "${colors.background}";
            padding.right = 0;
          };

          click.right = "${pkgs.pavucontrol}/bin/pavucontrol";
        };

        "module/date" = {
          type = "internal/date";
          interval = 1;

          date = {
            text = "%a, %b %d";
            alt = "%a, %b %d";
          };
          time = {
            text = "%H:%M %p";
            alt = "%H:%M:%S";
          };

          label = "%date% %time%";
        };

        "settings" = {
          screenchange.reload = true;
          pseudo.transparency = true;
        };
      };
  };

  # Make sure polybar starts only during graphical sessions.
  systemd.user.services.polybar.Install.WantedBy = [ "graphical-session.target" ];
}