{ config, pkgs, lib, inputs, ... }:
with lib;
let
  cfg = config.modules.programs.hyprland;
  username = config.modules.other.system.username;
  inherit (inputs.hyprland.packages.${pkgs.system}) hyprland;
  inherit (inputs.anyrun.packages.${pkgs.system}) anyrun;
  inherit (inputs.nixpkgs-wayland.packages.${pkgs.system})
    wl-clipboard swww wlsunset;
  inherit (inputs.waybar.packages.${pkgs.system}) waybar;
in {
  options.modules.programs.hyprland.enable = mkEnableOption "hyprland";
  config = mkIf cfg.enable {

    environment.sessionVariables = {
      LIBVA_DRIVER_NAME = "nvidia";
      GTK_USE_PORTAL = "1";
      NIXOS_XDG_OPEN_USE_PORTAL = "1";
      XDG_CURRENT_DESKTOP = "Hyprland";
      XDG_SESSION_TYPE = "wayland";
      XDG_SESSION_DESKTOP = "Hyprland";
      SDL_VIDEODRIVER = "wayland";
      CLUTTER_BACKEND = "wayland";
      GDK_BACKEND = "wayland";
      QT_QPA_PLATFORM = "wayland";
      LIBSEAT_BACKEND = "logind";
      WLR_NO_HARDWARE_CURSORS = "1";
      NIXOS_OZONE_WL = "1";
    };

    xdg.portal = {
      enable = true;
      extraPortals = [
        pkgs.xdg-desktop-portal-gtk
        inputs.hyprland.packages.${pkgs.system}.xdg-desktop-portal-hyprland
      ];
      config.common.default = "*";
    };
    home-manager.users.${username} = {
      wayland.windowManager.hyprland = {
        enable = true;
        package = inputs.hyprland.packages.${pkgs.system}.hyprland;
        plugins = [
          inputs.split-monitor-workspaces.packages.${pkgs.system}.split-monitor-workspaces
        ];
        xwayland.enable = true;
        systemd = {
          enable = true;
          variables = [ "--all" ];
        };
        settings = {
          "$mainMod" = "SUPER";

          monitor = [
            "DP-2,1920x1080,0x0,1"
            "HDMI-A-2,1920x1080,1920x0,1"
            "HDMI-A-1,1920x1080,3840x0,1"
            "Unknown-1,disable"
          ];
          workspace = [
            "1, monitor:HDMI-A-1, default:true"
            "2, monitor:HDMI-A-1"
            "3, monitor:HDMI-A-1"
            "4, monitor:HDMI-A-1"
            "5, monitor:HDMI-A-1"
            "6, monitor:HDMI-A-1"
            "7, monitor:HDMI-A-1"
            "8, monitor:HDMI-A-1"
            "9, monitor:HDMI-A-1"
            "10, monitor:HDMI-A-1"

            "11, monitor:HDMI-A-2, default:true"
            "12, monitor:HDMI-A-2"
            "13, monitor:HDMI-A-2"
            "14, monitor:HDMI-A-2"
            "15, monitor:HDMI-A-2"
            "16, monitor:HDMI-A-2"
            "17, monitor:HDMI-A-2"
            "18, monitor:HDMI-A-2"
            "19, monitor:HDMI-A-2"
            "20, monitor:HDMI-A-2"

            "21, monitor:DP-2, default:true"
            "22, monitor:DP-2"
            "23, monitor:DP-2"
            "24, monitor:DP-2"
            "25, monitor:DP-2"
            "26, monitor:DP-2"
            "27, monitor:DP-2"
            "28, monitor:DP-2"
            "29, monitor:DP-2"
            "30, monitor:DP-2"

            # scratchpads
            "special:btop, decorate:false"
            "special:pipewire, decorate:false"
            "special:nixos, decorate:false"
            "special:keepassxc, decorate:false"
          ];

          input = {
            kb_layout = "de";
            kb_variant = "";
            kb_model = "";
            kb_options = "";
            kb_rules = "";

            follow_mouse = true;
            repeat_rate = 50;
            repeat_delay = 250;
            tablet = { output = "HDMI-A-2"; };
          };

          general = {
            sensitivity = 1.0;
            gaps_in = 0;
            gaps_out = 0;
            border_size = 2;
          };

          decoration = {
            rounding = 0;
            blur = {
              enabled = true;
              size = 3;
              passes = 2;
            };
            drop_shadow = 1;
            shadow_range = 15;
            shadow_render_power = 2;
            shadow_ignore_window = 1;
            shadow_offset = "2 4";
            shadow_scale = 1;
          };

          bezier = [
            "dupa, 0.1, 0.9, 0.1, 1.05"
            "apf,0.76,0,0.24,1"
            "fast,0.34,1.56,0.64,1"
          ];

          animations = {
            enabled = true;
            animation = [
              "windows, 1, 4, dupa, popin"
              "windowsOut, 1, 4, dupa, slide"
              "border, 1, 15, default"
              "fade, 1, 10, default"
              "workspaces, 1, 5, dupa, slidevert"
            ];
          };

          dwindle = { no_gaps_when_only = true; };

          debug = { disable_logs = false; };

          misc = {
            enable_swallow = true;
            swallow_regex = "kitty";
            focus_on_activate = true;
            vrr = 1;
            vfr = true;
            animate_manual_resizes = false;
            animate_mouse_windowdragging = false;
            force_default_wallpaper = 0;
          };

          windowrulev2 = [
            "float, class:^(Tor Browser)$"
            "float, class:^(mpv)$"
            "float, class:^(imv)$"
            "float, title:^(Picture-in-Picture)$"
            "float, title:^(.*)(Choose User Profile)(.*)$"
            "float, title:^(blob:null/)(.*)$"
            "float, class:^(xdg-desktop-portal-gtk)$"
            "float, class:^(code), title: ^(Open*)"
            "size 70% 70%, class:^(code), title: ^(Open*)"
            "center, class: ^(code), title: ^(Open*)"
            "float, class:^(org.keepassxc.KeePassXC)$"
          ];

          bind = [
            "$mainMod, RETURN, exec, ${pkgs.kitty}/bin/kitty"
            "$mainMod, Q, killactive"
            "$mainMod, F, fullscreen, 0"
            "$mainMod, D, exec, ${pkgs.procps}/bin/pkill anyrun || ${anyrun}/bin/anyrun"
            "$mainMod, SPACE, togglefloating, active"
            "$mainMod, O, exec, obsidian --ozone-platform=wayland --enable-features=UseOzonePlatform --enable-features=WaylandWindowDecorations --enable-features=WebRTCPipeWireCpaturer --disable-gpu"
            # workspaces
            "$mainMod, 1, split-workspace, 1"
            "$mainMod, 2, split-workspace, 2"
            "$mainMod, 3, split-workspace, 3"
            "$mainMod, 4, split-workspace, 4"
            "$mainMod, 5, split-workspace, 5"
            "$mainMod, 6, split-workspace, 6"
            "$mainMod, 7, split-workspace, 7"
            "$mainMod, 8, split-workspace, 8"
            "$mainMod, 9, split-workspace, 9"
            "$mainMod, 0, split-workspace, 10"
            "$mainMod SHIFT, 1, split-movetoworkspacesilent, 1"
            "$mainMod SHIFT, 2, split-movetoworkspacesilent, 2"
            "$mainMod SHIFT, 3, split-movetoworkspacesilent, 3"
            "$mainMod SHIFT, 4, split-movetoworkspacesilent, 4"
            "$mainMod SHIFT, 5, split-movetoworkspacesilent, 5"
            "$mainMod SHIFT, 6, split-movetoworkspacesilent, 6"
            "$mainMod SHIFT, 7, split-movetoworkspacesilent, 7"
            "$mainMod SHIFT, 8, split-movetoworkspacesilent, 8"
            "$mainMod SHIFT, 9, split-movetoworkspacesilent, 9"
            "$mainMod SHIFT, 0, split-movetoworkspacesilent, 10"
            "$mainMod, S, exec, ${pkgs.grimblast}/bin/grimblast copy area"
            "$mainMod, R, exec, ${hyprland}/bin/hyprctl reload"
            "$mainMod, B, togglespecialworkspace, btop"
            "$mainMod, V, togglespecialworkspace, pipewire"
            "$mainMod, N, togglespecialworkspace, nixos"
            "$mainMod, X, togglespecialworkspace, keepassxc"
            "$mainMod CONTROL, B, exec, ${pkgs.procps}/bin/pkill waybar || ${waybar}/bin/waybar"
          ];

          binde = [
            # window focus
            "$mainMod, H, movefocus, l"
            "$mainMod, J, movefocus, d"
            "$mainMod, K, movefocus, k"
            "$mainMod, L, movefocus, r"

          ];

          bindl = let
            play-pause = "${pkgs.playerctl}/bin/playerctl play-pause";
            stop = "${pkgs.playerctl}/bin/playerctl stop";
            prev = "${pkgs.playerctl}/bin/playerctl previous";
            next = "${pkgs.playerctl}/bin/playerctl next";
            toggle-mute = "${pkgs.pamixer}/bin/pamixer --toggle-mute";
          in [
            ", XF86AudioMedia, exec, ${play-pause}"
            ", XF86AudioPlay,  exec, ${play-pause}"
            ", XF86AudioStop,  exec, ${stop}"
            ", XF86AudioPrev,  exec, ${prev}"
            ", XF86AudioNext,  exec, ${next}"
            ", XF86AudioMute,  exec, ${toggle-mute}"
          ];

          # locked + repeat
          bindle = let
            volume_up = "${pkgs.pamixer}/bin/pamixer -ui 5";
            volume_down = "${pkgs.pamixer}/bin/pamixer -ud 5";
          in [
            ", XF86AudioRaiseVolume, exec, ${volume_up}"
            ", XF86AudioLowerVolume, exec, ${volume_down}"
          ];
          bindm = [
            "$mainMod, mouse:272, movewindow"
            "$mainMod, mouse:273, resizewindow"
          ];
          binds = {
            pass_mouse_when_bound = false;
            movefocus_cycles_fullscreen = false;
          };
          exec-once = [
            #start waybar
            "${waybar}/bin/waybar"

            # run persistent special workspace windows
            "[workspace special:nixos silent;tile] ${pkgs.kitty}/bin/kitty -d ~/repos/nichts -e hx"
            "[workspace special:keepassxc silent;tile] ${pkgs.keepassxc}/bin/keepassxc"

            "${swww}/bin/swww-daemon"
            "${wlsunset}/bin/wlsunset -S 06:00 -s 20:00"
          ];

          exec = [
            # kill (almost) everything on special workspaces
            "${pkgs.procps}/bin/pkill btop"
            "${pkgs.procps}/bin/pkill helvum"
            "${pkgs.procps}/bin/pkill pavucontrol"
            # and run it all again
            "[workspace special:btop silent;tile] ${pkgs.kitty}/bin/kitty -e ${pkgs.btop}/bin/btop"
            "[workspace special:pipewire silent;tile] ${pkgs.helvum}/bin/helvum"
            "[workspace special:pipewire silent;tile] ${pkgs.pavucontrol}/bin/pavucontrol"

            "${pkgs.networkmanagerapplet}/bin/nm-applet --indicator"
          ];

          plugin = {
            split-monitor-workspaces = {
              count = 10;
              keep_focused = 0;
              enable_notifications = 0;
            };
          };
        };
      };
    };
    environment.sessionVariables = {
      /* LIBVA_DRIVER_NAME = "nvidia";
          XDG_SESSION_TYPE = "wayland";
          GBM_BACKEND = "nvidia-drm";
          __GLX_VENDOR_LIBRARY_NAME = "nvidia";
          SDL_VIDEODRIVER = "wayland";
          _JAVA_AWT_WM_NONREPARENTING = "1";
          CLUTTER_BACKEND = "wayland";
          WLR_RENDERER = "vulkan";
          XDG_CURRENT_DESKTOP = "Hyprland";
          XDG_SESSION_DESKTOP = "Hyprland";
          GTK_USE_PORTAL = "1";
          NIXOS_XDG_OPEN_USE_PORTAL = "1";
      */
    };
    hardware = {
      opengl.enable = true;
      nvidia.modesetting.enable = true;
    };
    environment.systemPackages = with pkgs; [
      (waybar.overrideAttrs (oldAttrs: {
        mesonFlags = oldAttrs.mesonFlags ++ [ "-Dexperimental=true" ];
      }))
      dunst
      libnotify
    ];
  };
}