{ pkgs, lib, config, userName, ... }:
let
  cfg = config.home-manager.users.${userName};
in {
  monitor = [
    ",preferred,auto,auto"
    "eDP-1,3840x2160@60,auto,1.5"
  ];

  "$terminal" = "kitty";
  "$menu" = "fuzzel";

  exec-once = [
    "wpaperd"
  ];

  env = [
    "NIXOS_OZONE_WL,1"
    "QT_QPA_PLATFORM,wayland"
    "QT_WAYLAND_DISABLE_WINDOWDECORATION,1"
    "GDK_BACKEND,wayland"
    "GDK_SCALE,0.66"
    "QT_AUTO_SCREEN_SCALE_FACTOR,1"
    "SDL_VIDEODRIVER,wayland"
    # "AQ_DRM_DEVICES,/dev/dri/by-path/pci-0000:01:00.0-card"
    "__NV_PRIME_RENDER_OFFLOAD,1"
    "__NV_PRIME_RENDER_OFFLOAD_PROVIDER,NVIDIA-G0"
    "__GLX_VENDOR_LIBRARY_NAME,nvidia"
    "__VK_LAYER_NV_optimus,NVIDIA_only"
  ];

  xwayland.force_zero_scaling = true;

  general = {
    gaps_in = 3;
    gaps_out = 9;
    "col.active_border" = "rgba(33ccffee) rgba(00ff95ee) 45deg";
    "col.inactive_border" = "rgba(595959aa)";

    resize_on_border = false;

    allow_tearing = false;

    layout = "dwindle";
  };

  decoration = {
    rounding = 5;
    dim_special = 0.0;
  };

  animations = {
    enabled = true;
    bezier = "myBezier, 0.05, 0.9, 0.1, 1.05";
    animation = [
      "windows, 1, 1, default, popin 80%"
      "windowsMove, 0"
      # "windows, 1, 7, myBezier"
      # "windowsOut, 1, 7, myBezier, popin 80%"
      "border, 1, 10, default"
      "borderangle, 1, 8, default"
      "fade, 1, 1, default"
      "workspaces, 1, 1, default, fade"
      # "workspaces, 1, 6, default"
    ];
  };

  dwindle = {
    pseudotile = false;
    preserve_split = true;
  };

  master = {
    new_status = "master";
  };

  misc = {
    disable_hyprland_logo = true;
    disable_splash_rendering = true;
    # focus_on_activate = true;
    mouse_move_enables_dpms = true;
    key_press_enables_dpms = true;
    new_window_takes_over_fullscreen = 1;
    exit_window_retains_fullscreen = true;
  };

  cursor = {
    hide_on_key_press = true;
  };

  input = {
    kb_layout = "us,us";
    kb_variant = "dvp,";
    kb_model = "";
    kb_options = "compose:caps,grp:win_space_toggle";
    kb_rules = "";

    follow_mouse = 1;

    sensitivity = 0;

    touchpad = {
      natural_scroll = false;
    };
  };

  device = [
    { name = "synaptics-tm3512-010";
      sensitivity = 0.4;
    }
    { name = "tpps/2-elan-trackpoint";
      sensitivity = 0.2;
    }
  ];

  gestures = {
    workspace_swipe = false;
  };

  dwindle = {
    # no_gaps_when_only = 1;
  };

  "$mainMod" = "SUPER";

  bind = [
    "$mainMod, return, exec, $terminal"
    "$mainMod, Q, killactive"
    "$mainMod SHIFT, Q, exec, hyprctl kill"
    "$mainMod, V, togglefloating"
    "$mainMod, D, exec, $menu"
    "$mainMod SHIFT, D, exec, $menu --list-executables-in-path"
    # "$mainMod, J, togglesplit,"

    "$mainMod SHIFT, L, exec, loginctl lock-session"
    "$mainMod SHIFT, S, exec, systemctl suspend"
    "$mainMod SHIFT, E, exit"

    "$mainMod, left, movefocus, l"
    "$mainMod, right, movefocus, r"
    "$mainMod, up, movefocus, u"
    "$mainMod, down, movefocus, d"
    "$mainMod SHIFT, left, swapwindow, l"
    "$mainMod SHIFT, right, swapwindow, r"
    "$mainMod SHIFT, up, swapwindow, u"
    "$mainMod SHIFT, down, swapwindow, d"

    "$mainMod, T, cyclenext"

    "$mainMod, G, focusmonitor, 0"
    "$mainMod, C, focusmonitor, 1"
    "$mainMod, R, focusmonitor, 2"
    "$mainMod, L, focusmonitor, 3"

    "$mainMod CTRL, G, movecurrentworkspacetomonitor, 0"
    "$mainMod CTRL, C, movecurrentworkspacetomonitor, 1"
    "$mainMod CTRL, R, movecurrentworkspacetomonitor, 2"
    "$mainMod CTRL, L, movecurrentworkspacetomonitor, 3"

    "$mainMod, F, fullscreen, 1"
    "$mainMod SHIFT, F, fullscreen, 0"
    "$mainMod CTRL SHIFT, F, fullscreenstate, 1, 2"

    "$mainMod, code:14, workspace, 1"
    "$mainMod, code:17, workspace, 2"
    "$mainMod, code:13, workspace, 3"
    "$mainMod, code:18, workspace, 4"
    "$mainMod, code:12, workspace, 5"
    "$mainMod, code:19, workspace, 6"
    "$mainMod, code:11, workspace, 7"
    "$mainMod, code:20, workspace, 8"
    "$mainMod, code:15, workspace, 9"
    "$mainMod, code:16, workspace, 10"

    "$mainMod SHIFT, code:14, movetoworkspacesilent, 1"
    "$mainMod SHIFT, code:17, movetoworkspacesilent, 2"
    "$mainMod SHIFT, code:13, movetoworkspacesilent, 3"
    "$mainMod SHIFT, code:18, movetoworkspacesilent, 4"
    "$mainMod SHIFT, code:12, movetoworkspacesilent, 5"
    "$mainMod SHIFT, code:19, movetoworkspacesilent, 6"
    "$mainMod SHIFT, code:11, movetoworkspacesilent, 7"
    "$mainMod SHIFT, code:20, movetoworkspacesilent, 8"
    "$mainMod SHIFT, code:15, movetoworkspacesilent, 9"
    "$mainMod SHIFT, code:16, movetoworkspacesilent, 10"

    "CTRL, space, exec, dunstctl close"
    "CTRL SHIFT, space, exec, dunstctl close-all"
    "CTRL, period, exec, dunstctl context"
    "CTRL, comma, exec, dunstctl history-pop"

    "$mainMod ALT, E, exec, emacsclient -c"
    "$mainMod ALT, Y, exec, ${pkgs.writeShellScript "yt-dlp" ''
       export PATH="${lib.makeBinPath (with pkgs; [ wl-clipboard-rs socat ])}:$PATH"
       socat STDIO UNIX-CONNECT:"$XDG_RUNTIME_DIR"/yt-dlp.sock <<<$'{ "urls": ["'"$(wl-paste)"$'"] }'
    ''}"

    ", XF86MonBrightnessUp, exec, lightctl -d -e4 -n1 up"
    ", XF86MonBrightnessDown, exec, lightctl -d -e4 -n1 down"
    ", XF86AudioRaiseVolume, exec, volumectl -d -u up"
    ", XF86AudioLowerVolume, exec, volumectl -d -u down"
    ", XF86AudioMute, exec, volumectl -d toggle-mute"
    ", XF86AudioMicMute, exec, volumectl -d -m toggle-mute"

    ", Print, exec, ${pkgs.writeShellScript "screenshot" ''
      export PATH="${lib.makeBinPath (with pkgs; [ grim slurp wl-clipboard-rs coreutils ])}:$PATH"

      outFile="$HOME/screenshots/$(date +"%Y-%m-%dT%H:%M:%S").png"
      grim -g "$(slurp -b 00000080 -c FFFFFFFF -s 00000000 -w 1)" "$outFile"
      wl-copy --type image/png <"$outFile"
    ''}"
    "SHIFT, Print, exec, ${pkgs.writeShellScript "screenshot" ''
      export PATH="${lib.makeBinPath (with pkgs; [ grim jq wl-clipboard-rs coreutils ])}:$PATH"

      outFile="$HOME/screenshots/$(date +"%Y-%m-%dT%H:%M:%S").png"
      grim -o "$(hyprctl monitors -j | jq -r '.[] | select(.focused) | .name')" "$outFile"
      wl-copy --type image/png <"$outFile"
    ''}"
    "CTRL SHIFT, Print, exec, ${pkgs.runCommand "picker" {
      buildInputs = [ pkgs.makeWrapper ];
    } ''
      makeWrapper ${lib.getExe pkgs.hyprpicker} $out \
        --prefix PATH : ${lib.makeBinPath [pkgs.wl-clipboard-rs]}
    ''} -a"
    "$mainMod, M, exec, ${pkgs.writeShellScript "qalc-fuzzel" ''
      export PATH="${lib.makeBinPath (with pkgs; [ wl-clipboard-rs libqalculate cfg.programs.fuzzel.package coreutils findutils libnotify gnugrep ])}:$PATH"

      RESULTS_DIR="$HOME/.cache/qalc-fuzzel"
      prev() {
        FOUND=false
        while IFS= read -r line; do
          [[ -n "$line" ]] || continue
          FOUND=true
          echo $line
        done < <(export LC_ALL=C.UTF-8; echo; find "$RESULTS_DIR" -type f -printf $'%T@ %p\n' | sort -n | cut -d' ' -f2- | xargs -r cat)
        $FOUND || echo
      }
      FUZZEL_RES=$(prev | fuzzel --dmenu --prompt "qalc> ") || exit $?
      if [[ "$FUZZEL_RES" =~ .*\ =\ .* ]]; then
        QALC_RES="$FUZZEL_RES"
        QALC_RET=0
      else
        QALC_RES=$(qalc "$FUZZEL_RES" 2>&1)
        QALC_RET=$?
      fi
      [[ -n "$QALC_RES" ]] || exit 1
      EXISTING=false
      fgrep -xrl "$QALC_RES" "$RESULTS_DIR" | xargs -r touch
      [[ ''${PIPESTATUS[0]} -eq 0 ]] && EXISTING=true
      if [[ $QALC_RET -eq 0 ]] && ! $EXISTING; then
        RES_FILE="$RESULTS_DIR"/$(date -uIs).$(tr -Cd 'a-zA-Z0-9' </dev/random | head -c 10)
        cat >"$RES_FILE" <<<"$QALC_RES"
      fi
      [[ "$QALC_RES" =~ .*\ =\ (.*) ]] && QALC_RES="''${BASH_REMATCH[1]}"
      [[ $QALC_RET -eq 0 ]] && wl-copy "$QALC_RES"
      notify-send "$QALC_RES"
    ''}"
    "$mainMod, E, exec, ${pkgs.writeShellScript "emoji-fuzzel" ''
      export PATH="${lib.makeBinPath (with pkgs; [ cfg.programs.fuzzel.package wtype wl-clipboard-rs ])}:$PATH"

      FUZZEL_RES=$(fuzzel --dmenu --prompt "emoji> " <$HOME/.local/share/emoji-data/list.txt) || exit $?
      [[ -n "$FUZZEL_RES" ]] || exit 1
      wl-copy "$(cut -d ':' -f 1 <<<"$FUZZEL_RES" | tr -d '\n')" && wtype -k XF86Paste
    ''}"
    "$mainMod, B, exec, ${pkgs.writeShellScript "bring" ''
      export PATH="${lib.makeBinPath (with pkgs; [ cfg.programs.fuzzel.package gawk gojq cfg.wayland.windowManager.hyprland.package ])}:$PATH"

      state="$(hyprctl -j clients)"
      active_window="$(hyprctl -j activewindow)"
      active_workspace="$(hyprctl -j activeworkspace | gojq -r '.id')"

      current_addr="$(echo "$active_window" | gojq -r '.address')"

      window="$(echo "$state" |
          gojq -r '.[] | select(.workspace.id == '"$active_workspace"') | select(.monitor != -1 ) | "\(.title)\t\(.address)"' |
          fuzzel --log-level=warning --dmenu)"

      addr="$(echo "$window" | awk -F $'\t' '{print $2}')"

      if [[ "$addr" = "$current_addr" ]]; then
          exit 0
      fi

      fullscreen_on_same_ws="$(echo "$state" | gojq -r '.[] | select(.fullscreen == true) | select(.workspace.id == '"$active_workspace"') | .address')"

      if [[ "$window" != "" ]]; then
          if [[ "$fullscreen_on_same_ws" == "" ]]; then
              hyprctl dispatch focuswindow address:"''${addr}"
          else
              # If we want to focus app_A and app_B is fullscreen on the same workspace,
              # app_A will get focus, but app_B will remain on top.
              # This monstrosity is to make sure app_A will end up on top instead.
              # XXX: doesn't handle fullscreen 0, but I don't care.
              hyprctl --batch "dispatch focuswindow address:''${fullscreen_on_same_ws}; dispatch fullscreen 1; dispatch focuswindow address:''${addr}; dispatch fullscreen 1"
          fi
      fi
    ''}"
    "$mainMod SHIFT, B, exec, ${pkgs.writeShellScript "bring" ''
      export PATH="${lib.makeBinPath (with pkgs; [ cfg.programs.fuzzel.package gawk gojq cfg.wayland.windowManager.hyprland.package ])}:$PATH"

      state="$(hyprctl -j clients)"
      active_window="$(hyprctl -j activewindow)"

      current_addr="$(echo "$active_window" | gojq -r '.address')"

      window="$(echo "$state" |
          gojq -r '.[] | select(.monitor != -1 ) | "\(.title)\t\(.workspace.name)\t\(.address)"' |
          fuzzel --log-level=warning --dmenu)"

      addr="$(echo "$window" | awk -F $'\t' '{print $3}')"
      ws="$(echo "$window" | awk -F $'\t' '{print $2}')"

      if [[ "$addr" = "$current_addr" ]]; then
          exit 0
      fi

      fullscreen_on_same_ws="$(echo "$state" | gojq -r ".[] | select(.fullscreen == true) | select(.workspace.name == \"$ws\") | .address")"

      if [[ "$window" != "" ]]; then
          if [[ "$fullscreen_on_same_ws" == "" ]]; then
              hyprctl dispatch focuswindow address:"''${addr}"
          else
              # If we want to focus app_A and app_B is fullscreen on the same workspace,
              # app_A will get focus, but app_B will remain on top.
              # This monstrosity is to make sure app_A will end up on top instead.
              # XXX: doesn't handle fullscreen 0, but I don't care.
              hyprctl --batch "dispatch focuswindow address:''${fullscreen_on_same_ws}; dispatch fullscreen 1; dispatch focuswindow address:''${addr}; dispatch fullscreen 1"
          fi
      fi
    ''}"

    "$mainMod CTRL, return, togglespecialworkspace, term"
    "$mainMod CTRL, e, togglespecialworkspace, edit"
    "$mainMod CTRL, a, togglespecialworkspace, pwvucontrol"
    "$mainMod CTRL, o, togglespecialworkspace, easyeffects"
    "$mainMod CTRL, b, togglespecialworkspace, blueman"
    "$mainMod CTRL, p, togglespecialworkspace, keepass"
  ];
  bindm = [
    "$mainMod, mouse:272, movewindow"
    "$mainMod, mouse:273, resizewindow"
  ];
  bindl = [
    ", switch:off:Lid Switch,exec,hyprctl dispatch dpms on eDP-1"
    ", switch:on:Lid Switch,exec,hyprctl dispatch dpms off eDP-1"

    ", switch:off:Lid Switch,exec,${pkgs.writeShellScript "clamshell-off" ''
      export PATH="${lib.makeBinPath (with pkgs; [ jq ])}:$PATH"
      [[ $(hyprctl monitors -j | jq '.[] | select(.name == "eDP-1") | .disabled') = "true" ]] || exit 0

      hyprctl keyword monitor "eDP-1,3840x2160@60,auto,1.5"
    ''}"
    ", switch:on:Lid Switch,exec,${pkgs.writeShellScript "clamshell-on" ''
      export PATH="${lib.makeBinPath (with pkgs; [ jq ])}:$PATH"

      [[ $(hyprctl monitors -j | jq 'reduce (.[] | select(.disabled == false)) as $_ (0; .+1)') -gt 1 ]] || exit 0

      hyprctl keyword monitor "eDP-1,disable"
    ''}"
  ];

  windowrulev2 = [
    "suppressevent maximize fullscreen, class:.*"

    # "maximize, class:^(Element|thunderbird)$"
    "workspace special:pwvucontrol, class:^com\.saivert\.pwvucontrol$"
    "workspace special:easyeffects, class:^com\.github\.wwmm\.easyeffects$"
    "workspace special:blueman, class:^\.blueman-manager-wrapped$"
    "workspace special:keepass silent, class:^org\.keepassxc\.KeePassXC$, title:^(?!Unlock Database.*)(?!.*(Access Request|Passkey credentials))"
    # "group set always lock invade, class:^Element$"
    "workspace 2, class:^firefox$"
    "workspace 4, class:^evince$"
    "workspace 4, class:^imv$"
    "workspace 4, class:^org\.pwmt\.zathura$"
    "workspace 10, class:^mpv$"
    "workspace 1, class:^Element$"
    "workspace 1, class:^thunderbird$"
    "workspace 5, class:^virt-manager$"
    "workspace 5, class:^qemu$"
    "float, class:^org\.keepassxc\.KeePassXC$, title:Access Request$"
    "center, class:^org\.keepassxc\.KeePassXC$, title:Access Request$"
    "float, class:^org\.keepassxc\.KeePassXC$, title:Passkey credentials$"
    "center, class:^org\.keepassxc\.KeePassXC$, title:Passkey credentials$"
    "float, class:^org\.keepassxc\.KeePassXC$, title:^Unlock Database"
    "center, class:^org\.keepassxc\.KeePassXC$, title:^Unlock Database"
    "float, class:^xdg-desktop-portal-gtk$"
    "center, class:^xdg-desktop-portal-gtk$"

    "bordercolor rgba(ffaa33ee) rgba(bfff00ee) 45deg, fullscreen:1"
    "bordercolor rgba(3366ffee) rgba(6a00ffee) 45deg, xwayland:1"
    "bordercolor rgba(6633ffee) rgba(ea00ffee) 45deg, xwayland:1, fullscreen:1"
  ];

  workspace = [
    "s[true], gapsout:100"

    "special:term, on-created-empty:kitty"
    "special:edit, on-created-empty:emacsclient -c"
    "special:pwvucontrol, on-created-empty:pwvucontrol"
    "special:easyeffects, on-created-empty:easyeffects"
    "special:blueman, on-created-empty:blueman-manager"
    "special:keepass, on-created-empty:keepassxc"

    "1, defaultName:comm"
    "2, defaultName:web"
    "3, defaultName:work"
    "4, defaultName:read"
  ];

  layerrule = [
    "blur, waybar"
    "blur, launcher"
    "noanim, notifications"
    "blur, notifications"
  ];
}