{ pkgs, ... }:

# Global Dracula theming (GTK + Qt)
let
  azureGlassyDarkIcons = pkgs.callPackage ../../../pkgs/azure-glassy-dark-icons.nix { };
  amyDarkIcons = pkgs.callPackage ../../../pkgs/amy-dark-icons.nix { };
  slotBeautyDarkIcons = pkgs.callPackage ../../../pkgs/slot-beauty-dark-icons.nix { };

  iconTheme = "Amy-Dark-Icons";
  iconThemePackage = amyDarkIcons;
  iconThemeFolder = "${iconThemePackage}/share/icons/${iconTheme}";
in
{
  gtk = {
    enable = true;
    theme = {
      name = "Dracula";
      package = pkgs.dracula-theme;
    };
    iconTheme = {
      name = iconTheme;
      package = iconThemePackage;
    };
  };

  # The cursor theme. XCURSOR_THEME alone is not enough for Steam: the client
  # UI (steamwebhelper) runs inside a pressure-vessel container that rebuilds
  # /etc, so the /etc/profiles/per-user/darman/share/icons entry of
  # XCURSOR_PATH does not exist in there and libXcursor finds no theme by
  # that name — it falls back to the built-in core X11 cursor. $HOME and
  # /nix are bind-mounted into the container, so the ~/.icons symlink that
  # `dotIcons` (on by default) drops does resolve. Same class of problem as
  # the ~/.themes/~/.icons flatpak workaround above.
  home.pointerCursor = {
    name = "Bibata-Modern-Classic";
    package = pkgs.bibata-cursors;
    size = 24;
    gtk.enable = true;
    hyprcursor.enable = true;
  };

  # Flatpak apps are sandboxed and can't see XDG_DATA_DIRS/nix-store theme
  # paths, so the portal-reported GTK theme / icon theme names resolve to
  # nothing inside the sandbox and they fall back to Adwaita. Flatpak
  # auto-exposes ~/.themes and ~/.icons read-only to every sandboxed app
  # specifically for this case.
  home.file.".themes/Dracula".source =
    "${pkgs.dracula-theme}/share/themes/Dracula";
  home.file.".icons/${iconTheme}".source = iconThemeFolder;

  dconf.settings."org/gnome/desktop/interface" = {
    color-scheme = "prefer-dark";
    gtk-theme = "Dracula";
    icon-theme = iconTheme;
  };

  # "qtct" (qt5ct/qt6ct) instead of "kde" avoids pulling in
  # kdePackages.systemsettings just for the platform-theme plugin — kvantum
  # itself carries the Dracula colors, qt5ct/qt6ct just need to be told to
  # use it as the style.
  qt = {
    enable = true;
    platformTheme.name = "qtct";
    style.name = "kvantum";
  };
  xdg.configFile."Kvantum/kvantum.kvconfig".text = ''
    [General]
    theme=Dracula
  '';
  xdg.configFile."Kvantum/Dracula".source =
    "${pkgs.dracula-theme}/share/Kvantum/Dracula";

  # Quickshell's IconImage/Quickshell.iconPath() resolves icons through the
  # Qt platform theme, not GTK — so the app-launcher grid needs the icon
  # theme set HERE (qt5ct/qt6ct), separately from the GTK dconf key above.
  xdg.configFile."qt5ct/qt5ct.conf".text = ''
    [Appearance]
    style=kvantum
    icon_theme=${iconTheme}
  '';
  xdg.configFile."qt6ct/qt6ct.conf".text = ''
    [Appearance]
    style=kvantum
    icon_theme=${iconTheme}
  '';
}