# ABOUTME: Hyprland environment variables configuration
# ABOUTME: Sets up Wayland, cursor, and application environment variables

{ config, lib, pkgs, osConfig ? { }, ... }:
let
  cfg = import ../config.nix;
  hasNvidiaDrivers = builtins.elem "nvidia" (osConfig.services.xserver.videoDrivers or []);
  nvidiaEnv = [
    "NVD_BACKEND,direct"
    "LIBVA_DRIVER_NAME,nvidia"
    "__GLX_VENDOR_LIBRARY_NAME,nvidia"
  ];
in
{
  wayland.windowManager.hyprland.settings = {
    env = (lib.optionals hasNvidiaDrivers nvidiaEnv) ++ [
      "GDK_SCALE,${toString cfg.scale}"

      # Cursor size and theme
      "XCURSOR_SIZE,24"
      "HYPRCURSOR_SIZE,24"
      "XCURSOR_THEME,Adwaita"
      "HYPRCURSOR_THEME,Adwaita"

      # Force Wayland for applications
      "GDK_BACKEND,wayland"
      "QT_QPA_PLATFORM,wayland"
      "QT_STYLE_OVERRIDE,kvantum"
      "SDL_VIDEODRIVER,wayland"
      "MOZ_ENABLE_WAYLAND,1"
      "ELECTRON_OZONE_PLATFORM_HINT,wayland"
      "OZONE_PLATFORM,wayland"

      # Chromium Wayland support
      "CHROMIUM_FLAGS,\"--enable-features=UseOzonePlatform --ozone-platform=wayland --gtk-version=4\""

      # Make .desktop files available for wofi
      "XDG_DATA_DIRS,$XDG_DATA_DIRS:$HOME/.nix-profile/share:/nix/var/nix/profiles/default/share"

      # XCompose support
      "XCOMPOSEFILE,~/.XCompose"
      "EDITOR,nvim"

      # GTK dark theme
      "GTK_THEME,Adwaita:dark"
    ];

    xwayland = {
      force_zero_scaling = true;
    };

    ecosystem = {
      no_update_news = true;
    };
  };
}