{ config, lib, pkgs, ... }:
let
  isEnabled = config.my.home.wm.windowManager == "sway";
  terminal = config.my.home.terminal.program;
  modifier = "Mod4"; # `Super` key
in
{
  config = lib.mkIf isEnabled {
    home.packages = with pkgs; [
      wlogout
      brightnessctl
      pulseaudio
      grim
      slurp
      polkit_gnome
      xsettingsd
      swaylock
      swayidle
      wl-clipboard
    ];

    home.sessionVariables = {
      MOZ_ENABLE_WAYLAND = true;
      XDG_CURRENT_DESKTOP = "sway";
      XDG_SESSION_TYPE = "wayland";
    };

    wayland.windowManager.sway = {
      enable = true;
      config = {
        # FIXME: this should be a variable
        terminal = "alacritty";
        modifier = modifier;
        menu = ''${pkgs.wofi}/bin/wofi -S drun -p "app:" -L 10'';
        bars = [ ];
        fonts = {
          names = [ "Source Code Pro" ];
          size = 10.0;
        };
        keybindings = lib.mkOptionDefault {
          # control the volume
          "XF86AudioRaiseVolume" =
            "exec ${pkgs.pulseaudio}/bin/pactl set-sink-volume @DEFAULT_SINK@ +5%";
          "XF86AudioLowerVolume" =
            "exec ${pkgs.pulseaudio}/bin/pactl set-sink-volume @DEFAULT_SINK@ -5%";
          "XF86AudioMute" =
            "exec ${pkgs.pulseaudio}/bin/pactl set-sink-mute @DEFAULT_SINK@ toggle";
          "XF86AudioMicMute" =
            "exec ${pkgs.pulseaudio}/bin/pactl set-source-mute @DEFAULT_SOURCE@ toggle";

          # control brightness
          "XF86MonBrightnessDown" =
            "exec ${pkgs.brightnessctl}/bin/brightnessctl set 5%-";
          "XF86MonBrightnessUp" =
            "exec ${pkgs.brightnessctl}/bin/brightnessctl set +5%";

          # logout
          "${modifier}+Escape" = "exec ${pkgs.wlogout}/bin/wlogout";

          # screenshot
          "${modifier}+s" =
            "exec ${pkgs.grim}/bin/grim $(xdg-user-dir DOCUMENTS)/screenshots/$(date +'%Y-%m-%d-%H%M%S_screenshot.png')";
          "${modifier}+Shift+s" =
            "exec ${pkgs.slurp}/bin/slurp | ${pkgs.grim}/bin/grim -g - $(xdg-user-dir DOCUMENTS)/screenshots/$(date +'%Y-%m-%d-%H%M%S_screenshot.png')";

          # File Manager
          "${modifier}+p" = "exec ${pkgs.pcmanfm}/bin/pcmanfm";
        };

        # use `swaymsg -t get_tree' to get the title/name/ID of the applications
        window = {
          commands = [
            {
              criteria.class = ".blueman-manager-wrapped";
              command = "floating enable";
            }
            {
              criteria.class = "Pavucontrol";
              command = "floating enable";
            }
          ];
        };

        input = {
          "*" = {
            "xkb_layout" = "us,fr";
            # map capslock to ctrl, and switch layout using shift+caps
            "xkb_options" = "ctrl:nocaps,grp:shift_caps_toggle";
          };
        };

        assigns = {
          "1" = [{ app_id = "emacs"; }];
          "2" = [{ app_id = "Alacritty"; }];
          "3" = [{ app_id = "firefox"; }];
          "4" = [{ class = "Element"; }];
        };

        output = {
          "*" = {
            scale = "1.5";
            bg = "#2E3440 solid_color";
          };
          # This is for aptos
          "eDP-1" = { scale = "1.3"; };
        };
        startup = [{
          command = ''
            exec "systemctl --user import-environment; systemctl --user start sway-session.target"'';
        }];
      };
    };
  };
}