{
  config,
  pkgs,
  lib,
  ...
}: {
  home.packages = with pkgs; [
    waybar # status bar
    swaylock # screen locking
    swayidle # automatic screen locking after system idle time
    kanshi # hotswap displays
    foot # terminal
    keepassxc # used for secrets instead of gnome-keyring
  ];

  wayland.windowManager.sway = {
    enable = true;
    systemd = {
      enable = true;
      xdgAutostart = false;
    };

    wrapperFeatures = {
      gtk = true;
    };

    config = {
      input = {
        "*" = {
          xkb_layout = "de";
          xkb_options = "caps:ctrl_modifier";
          xkb_numlock = "enable";
        };
        "type:touchpad" = {
          tap = "enable";
          natural_scroll = "enable";
        };
      };
      modifier = "Mod4";
      keybindings = let
        modifier = config.wayland.windowManager.sway.config.modifier;
      in
        lib.mkOptionDefault {
          # brightness
          "XF86MonBrightnessDown" = "exec ${pkgs.light}/bin/light -U 5";
          "XF86MonBrightnessUp" = "exec ${pkgs.light}/bin/light -A 5";
          # volume
          "XF86AudioRaiseVolume" = "exec '${pkgs.pulseaudio}/bin/pactl set-sink-volume @DEFAULT_SINK@ +1%'";
          "XF86AudioLowerVolume" = "exec '${pkgs.pulseaudio}/bin/pactl set-sink-volume @DEFAULT_SINK@ -1%'";
          "XF86AudioMute" = "exec '${pkgs.pulseaudio}/bin/pactl set-sink-mute @DEFAULT_SINK@ toggle'";

          # custom pause mode similar to typical system shutdown menus
          "${modifier}+F12" = "mode pause-break";
        };
      # use foot as default terminal
      terminal = "foot";
      assigns = {
        "1" = [{app_id = "firefox";}];
        "2" = [{app_id = "foot";}];
      };
      bars = [];
      menu = "${pkgs.tofi}/bin/tofi-drun | ${pkgs.findutils}/bin/xargs swaymsg exec --";
      fonts = {
        names = ["FiraCode Nerd Font"];
        size = 11.0;
      };
      modes = {
        pause-break = {
          e = "exec --no-startup-id swaymsg exit, mode default";
          s = "exec --no-startup-id ${pkgs.dash}/bin/dash -c '${pkgs.swaylock}/bin/swaylock & systemctl suspend-then-hibernate', mode default";
          r = "exec --no-startup-id systemctl reboot";
          End = "exec --no-startup-id systemctl poweroff";
          Return = "mode default";
          Escape = "mode default";
        };
      };
      startup = [
        {command = "dbus-sway-environment";}
        {command = "configure-gtk";}
        {command = "${pkgs.keepassxc}/bin/keepassxc";}
        {command = "${pkgs.waybar}/bin/waybar";}
        {command = "${pkgs.foot}/bin/foot";}
      ];
    };
  };

  programs.waybar = {
    enable = true;
    settings = {
      mainBar = {
        layer = "top";
        position = "top";
        height = 26;
        modules-left = ["sway/workspaces" "sway/mode"];
        modules-center = ["sway/window"];
        modules-right = ["mpd" "tray" "sway/language" "clock" "backlight" "battery" "network"];

        "sway/workspaces" = {
          disable-scroll = true;
          all-outputs = false;
          format = "<span size='150%'>{icon}</span> {name}";
          format-icons = {
            "main" = "󰈹";
            "term" = "";
            "msg" = "󰷹";
            "music" = "󰫔";
            "urgent" = "";
            "focused" = "";
            "default" = "";
          };
        };

        "mpd" = {
          format = "{stateIcon}{consumeIcon}{randomIcon}{repeatIcon}{singleIcon} {title} ({elapsedTime:%M:%S}/{totalTime:%M%S}) {volume}";
          format-stopped = "{stateIcon}{randomIcon}{repeatIcon}{singleIcon} Stopped {volume}";
          format-disconnected = "";
          unkown-tag = "N/A";
          interval = 2;
          consume-icons = {
            on = "󰮯";
            off = "";
          };
          random-icons = {
            on = "";
            off = "";
          };
          repeat-icons = {
            on = "󰑖";
            off = "";
          };
          single-icons = {
            on = "󰑘";
            off = "";
          };
          state-icons = {
            paused = "󰏤";
            playing = "󰐊";
          };
          max-length = 50;
        };

        "tray" = {
          spacing = 10;
        };

        "sway/language" = {
          format = "{shortDescription}";
          tooltip = false;
        };

        "clock" = {
          interval = 60;
          format = "{:%a %d.%m %I:%M}";
        };

        "backlight" = {
          format = "{percent}% {icon}";
          format-icons = ["󰹐" "󱩎" "󱩏" "󱩐" "󱩑" "󱩒" "󱩓" "󱩔" "󱩕" "󱩖" "󰛨"];
        };

        "network" = {
          format-wifi = "{essid} ({signalStrength}%) 󰖩";
          format-ethernet = "{ipaddr}/{cidr} 󰈀";
          tooltip-format = "{ifname} via {gwaddr} 󰌘";
          format-disconnected = "󰌙";
        };
      };
    };
    style = ''
      * {
        border: none;
        border-radius: 0;
        padding: 0;
        margin: 0;
        font-size: 11px;
        text-align: center;
      }

      window#waybar {
        background: #292828;
        color: #ffffff;
      }

      #workspaces button {
        margin-right: 2px;
        padding-left: 2px;
        padding-right: 2px;
        color: #ffffff;
      }
      #workspaces button:hover, #workspaces button:active {
        background-color: #292828;
        color: #ffffff;
      }
      #workspaces button.focused {
        background-color: #383737;
        color: #00ffee;
      }

      #mpd {
        margin-right: 2px;
      }

      #tray {
        margin-right: 2px;
      }

      #language {
        margin-right: 2px;
      }

      #clock {
        margin-right: 2px;
      }

      #backlight {
        padding-right: 7px;
        margin-right: 2px;
      }

      #battery {
        padding-right: 7px;
        margin-right: 2px;
      }

      #network {
        padding-right: 7px;
        margin-right: 2px;
      }
    '';
  };

  services.kanshi = {
    enable = true;
    profiles = {
      laptop.outputs = [
        {
          criteria = "eDP-1";
          position = "0,0";
        }
      ];
      dock_luhbots.outputs = [
        {
          criteria = "eDP-1";
          position = "0,1080";
        }
        {
          criteria = "Dell Inc. DELL U2422HE GRCPH83";
          position = "0,0";
        }
        {
          criteria = "NEC Corporation E243WMi 7X313185NB";
          transform = "90";
          position = "1920,0";
        }
      ];
      laptop_hannspree.outputs = [
        {
          criteria = "eDP-1";
          position = "320,1440";
        }
        {
          criteria = "HannStar Display Corp HC281UPB ";
          position = "0,0";
          mode = "3840x2160@60";
          scale = 1.5;
        }
      ];
    };
  };

  # Theming
  gtk = {
    enable = true;
    cursorTheme = {
      package = pkgs.capitaine-cursors;
      name = "capitaine-cursors-white";
      size = 24;
    };
    iconTheme = {
      package = pkgs.whitesur-icon-theme;
      name = "WhiteSur-dark";
    };
    theme = {
      package = pkgs.whitesur-gtk-theme;
      name = "WhiteSur-Dark";
    };
    gtk3.extraConfig = {
      gtk-dialogs-use-header = false;
      gtk-cursor-theme-size = 0;
      gtk-toolbar-style = "GTK_TOOLBAR_BOTH_HORIZ";
      gtk-toolbar-icon-style = "GTK_ICON_SIZE_LARGE_TOOLBAR";
      gtk-button-images = 0;
      gtk-menu-images = 0;
      gtk-enable-event-sounds = 0;
      gtk-enable-input-feedback-sounds = 1;
      gtk-xft-antialias = 1;
      gtk-xft-hinting = 1;
      gtk-xft-hintstyle = "hintslight";
      gtk-xft-rgba = "none";
    };
  };
  home.pointerCursor = {
    package = pkgs.capitaine-cursors;
    name = "capitaine-cursors-white";
    size = 24;
    x11.enable = true;
    x11.defaultCursor = "capitaine-cursors-white";
  };
  xsession.enable = true;

  home.file."tofi" = {
    enable = true;
    target = ".config/tofi/config";
    text = ''
      # fullscreen theming
      width = 100%
      height = 100%
      border-width = 0
      outline-width = 0
      padding-top = 32
      result-spacing = 25
      font = FiraCode Nerd Font
      background-color = #000D
      text-color = #00FFEE
      selection-color = #EEFF00
      hint-font = false

      # search behavior
      history = true
      fuzzy-match = true
    '';
  };

  services.mako = {
    enable = true;
    actions = true;
    anchor = "top-right";

    backgroundColor = "#313131";
    borderColor = "#00FFEE";
    progressColor = "#338833";
    textColor = "#e0e0e0";
    extraConfig = ''
      [urgency=low]
      border-color=#008877
    '';

    borderRadius = 10;
    borderSize = 2;
    height = 100;
    width = 400;

    defaultTimeout = 10000; # ms
    font = "FiraCode Nerd Font 11";
    icons = true;
    markup = true;
  };
}