{ user }: { lib, pkgs, config, ... }:
with lib;
let
  cfg = config.windowManager;
in
{
  options.windowManager = {
    hyprland = mkEnableOption "hyprland";
    sway = mkEnableOption "sway";
  };

  config = mkIf (cfg.sway || cfg.hyprland) {
    services.greetd = {
      enable = true;
      settings = rec {
        hypr_session = {
          command = "Hyprland";
          user = user;
        };
        sway_session = {
          command = "sway";
          user = user;
        };
        default_session = if cfg.sway then sway_session else hypr_session;
      };
    };
    
    home-manager.users.${user}.imports = [{
      wayland.windowManager.hyprland = mkIf cfg.hyprland {
        enable = true;
        systemdIntegration = true;
        # https://wiki.hyprland.org/Configuring/Variables/
        extraConfig = ''
          ## global hyprland configuration
          env = GDK_BACKEND,wayland,x11
          env = QT_QPA_PLATFORM,wayland;xcb
          env = SDL_VIDEODRIVER,wayland
          env = CLUTTER_BACKEND,wayland
          env = XDG_CURRENT_DESKTOP,Hyprland
          env = XDG_SESSION_TYPE,wayland
          env = XDG_SESSION_DESKTOP,Hyprland
          env = QT_AUTO_SCREEN_SCALE_FACTOR,1
          env = QT_WAYLAND_DISABLE_WINDOWDECORATION,1
          env = NIXOS_OZONE_WL,1

          input {
            kb_layout = gb
            kb_options = caps:escape
            numlock_by_default = true

            touchpad {
              natural_scroll = yes
              scroll_factor = 0.5
            }
          }

          bind = SUPER_SHIFT, X, killactive,
          bind = SUPER_SHIFT, E, exit,
          bind = SUPER, SLASH,   focuswindow, brave-browser
          bind = SUPER, n,       focuswindow, Logseq

          windowrule = float, title:wlogout

          bind = SUPER, h, movefocus,l
          bind = SUPER, l, movefocus,r

          bindm = SUPER, mouse:272, movewindow
          bindm = SUPER, mouse:273, resizewindow

          bind = SUPER, j,     layoutmsg,cyclenext
          bind = SUPER, k,     layoutmsg,cycleprev
          bind = SUPER, space, layoutmsg,swapwithmaster master
          bind = SUPER_SHIFT, k,     layoutmsg, orientationtop
          bind = SUPER_SHIFT, h,     layoutmsg, orientationleft
          bind = SUPER, F,     fullscreen,
          bind = SUPER, V,     togglefloating,
          bind = SUPER_SHIFT, V, togglegroup,
          bind = SUPER_SHIFT, space, changegroupactive,n
          bind = SUPER, Y, togglespecialworkspace
          bind = SUPER_SHIFT, Y, movetoworkspace, special

          bind = SUPER,1,workspace,1
          bind = SUPER,2,workspace,2
          bind = SUPER,3,workspace,3
          bind = SUPER,4,workspace,4
          bind = SUPER,5,workspace,5
          bind = SUPER,6,workspace,6
          bind = SUPER,7,workspace,7
          bind = SUPER,8,workspace,8
          bind = SUPER,9,workspace,9
          bind = SUPER,0,workspace,10

          bind = SUPER_SHIFT,1,movetoworkspace,1
          bind = SUPER_SHIFT,2,movetoworkspace,2
          bind = SUPER_SHIFT,3,movetoworkspace,3
          bind = SUPER_SHIFT,4,movetoworkspace,4
          bind = SUPER_SHIFT,5,movetoworkspace,5
          bind = SUPER_SHIFT,6,movetoworkspace,6
          bind = SUPER_SHIFT,7,movetoworkspace,7
          bind = SUPER_SHIFT,8,movetoworkspace,8
          bind = SUPER_SHIFT,9,movetoworkspace,9
          bind = SUPER_SHIFT,0,movetoworkspace,10

          gestures {
            workspace_swipe = yes
          }

          decoration {
            rounding = 5
            drop_shadow = no
          }

          bezier = overshot, 0.05, 0.9, 0.1, 1.1
          bezier = linear, 0.0, 0.0, 1.0, 1.0

          animations {
            enabled = 1
            animation = windows,    1, 1, default, popin
            animation = border,     1, 1, default
            animation = fade,       1, 1, default
            animation = workspaces, 1, 3, overshot
            animation = borderangle,1, 50, linear, loop
          }

          general {
            resize_on_border = yes
            layout = master
            col.active_border = rgb(FFFF00) rgb(00FFFF) rgb(FF00FF)
            border_size = 5
          }
          
          master {
            mfact = 0.7
            new_on_top = yes
          }
          
          misc {
            vrr = 2
          }
        '';
      };

      programs.swaylock = {
        enable = true;
        package = pkgs.swaylock-effects;
        settings = {
          clock = true;
          screenshots = true;
          effect-scale = 0.5;
          effect-blur = "10x10";
          grace = 5;
        };
      };

      services.swayidle.enable = true;
      services.swayidle.systemdTarget = "graphical-session.target";
      services.swayidle.events = [
        { event = "before-sleep"; command = "${pkgs.swaylock-effects}/bin/swaylock"; }
        { event = "lock"; command = "${pkgs.swaylock-effects}/bin/swaylock"; }
      ];
      services.swayidle.timeouts = [
        {
          timeout = 300;
          command = "${pkgs.swaylock-effects}/bin/swaylock -f";
        }
      ];

      services.mako = {
        enable = true;
      };

      programs.waybar = {
        enable = true;
        settings = {
          mainBar = {
            layer = "top";
            position = "top";
            height = 36;
            modules-left = [ "hyprland/window" ];
            modules-right = [ "mpris" "pulseaudio" "clock" "tray" "battery" ];
            clock = {
              format = "📅 {:%a %b-%d %I:%M %p}";
            };
            pulseaudio = {
              format-muted = "🔇 {volume}";
              format = "{icon} {volume}";
              format-icons.default = [ "🔈" "🔉" "🔊" ];
              on-click = "${pkgs.pavucontrol}/bin/pavucontrol";
            };
            mpris = {
              format = "{player_icon} {artist} - {title}";
              format-paused = "{status_icon} {artist} - {title}";
              player-icons = {
                default = "▶️";
                mpd = "🎵";
              };
              status-icons = {
                paused = "⏸️";
              };
            };
            battery = {
              format = "{icon} {capacity}%";
              format-icons = [ "🤏" "🪫" "🔋" "🔋" ];
              states = {
                warning = 30;
                critical = 15;
              };
            };
          };
        };
        systemd = {
          enable = true;
          target = "graphical-session.target";
        };
      };

      
    }];
  };
}