# gnome.nix
{ config, pkgs, lib, ... }:
{
  config = lib.mkIf (lib.elem config.networking.hostName [ "FredOS-Gaming" "FredOS-Macbook" ]) {
    # Enable Gnome
    services.xserver.enable = true;
    services.displayManager.gdm.enable = true;
    services.desktopManager.gnome.enable = true;
    services.displayManager.gdm.wayland = true;
    boot.plymouth.enable = false;
    
    # Add extensions and packages
    environment.systemPackages = with pkgs; [
      gnomeExtensions.blur-my-shell
      gnomeExtensions.just-perfection
      gnomeExtensions.appindicator
      gnomeExtensions.hot-edge
      gnomeExtensions.rounded-window-corners-reborn
      adwaita-icon-theme
      gnome-themes-extra  # This includes Adwaita cursor theme
      papirus-icon-theme  # Add Papirus icon theme
    ];

    # Set cursor theme
    environment.sessionVariables = {
      XCURSOR_THEME = "Adwaita";
      XCURSOR_SIZE = "24";
      XCURSOR_PATH = lib.mkForce [
        "${pkgs.adwaita-icon-theme}/share/icons"
        "$HOME/.icons"
        "$HOME/.local/share/icons"
      ];
    };
    
    # Set icon theme via dconf
    programs.dconf.profiles.user.databases = [{
      settings = {
        "org/gnome/desktop/interface" = {
          icon-theme = "Papirus";  # Use Papirus
          cursor-theme = "Adwaita";
        };
      };
    }];
    
    programs.xwayland.enable = true;
    programs.dconf.enable = true;
  };

  # Download wallpaper from GitHub repo and symlink it
  home.file.".local/share/backgrounds/wallpaper.png".source = 
    let
      wallpaperRepo = builtins.fetchGit {
        url = "https://github.com/ediblerope/nixos-config";
        ref = "main";
      };
    in "${wallpaperRepo}/walls/wallpaper.png";
  
  # GNOME dconf
  dconf.settings = {
    # Interface / theme
    "org/gnome/desktop/interface" = {
      color-scheme = "prefer-dark";
      gtk-theme = "Adwaita-dark";
      enable-hot-corners = false;
      accent-color = "purple";
      cursor-theme = "Adwaita";
      cursor-size = 24;
    };
    
    # Wallpaper settings
    "org/gnome/desktop/background" = {
      picture-uri = "file://${config.home.homeDirectory}/.local/share/backgrounds/wallpaper.png";
      picture-uri-dark = "file://${config.home.homeDirectory}/.local/share/backgrounds/wallpaper.png";
      picture-options = "zoom";
    };
    
    # Keyboard input sources
    "org/gnome/desktop/input-sources" = {
      sources = [
        (lib.hm.gvariant.mkTuple [ "xkb" "gb" ])
        (lib.hm.gvariant.mkTuple [ "xkb" "no" ])
      ];
    };
    
    # Window manager keybindings
    "org/gnome/desktop/wm/keybindings" = {
      close = ["<Super>q"];
      toggle-fullscreen = ["<Super>f"];
    };
    
    # Shell keybindings
    "org/gnome/shell/keybindings" = {
      show-screenshot-ui = ["<Shift><Super>s"];
    };
    
    # Custom keybindings
    "org/gnome/settings-daemon/plugins/media-keys" = {
      home = ["<Super>e"];
      control-center = ["<Super>i"];
      custom-keybindings = [
        "/org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom0/"
      ];
    };
    
    "org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom0" = {
      name = "Terminal";
      command = "kgx";
      binding = "<Super>t";
    };
    
    # Mouse acceleration
    "org/gnome/desktop/peripherals/mouse" = {
      accel-profile = "flat";
    };
    
    # Just Perfection extension
    "org/gnome/shell/extensions/just-perfection" = {
      window-demands-attention-focus = true;
    };
    
    # Rounded Window Corners extension
    "org/gnome/shell/extensions/rounded-window-corners-reborn" = let
      # Helpers to keep the config clean
      mkUint32 = lib.hm.gvariant.mkUint32;
      mkVariant = lib.hm.gvariant.mkVariant;
      mkTuple = lib.hm.gvariant.mkTuple;
      
      # Helper to create a Dictionary Entry from a key and value
      mkEntry = name: value: lib.hm.gvariant.mkDictionaryEntry [name value];
      
      # Helper to create a Variant containing a Dictionary (a{sv} or similar)
      # Usage: mkDict { key = value; key2 = value2; }
      mkDict = attrs: mkVariant (
        lib.mapAttrsToList (name: value: mkEntry name value) attrs
      );
      
    in {
      global-rounded-corner-settings = [
        (mkEntry "padding" (mkDict {
          left = mkUint32 4;
          right = mkUint32 4;
          top = mkUint32 4;
          bottom = mkUint32 4;
        }))
        (mkEntry "keepRoundedCorners" (mkDict {
          maximized = true;
          fullscreen = true;
        }))
        (mkEntry "borderRadius" (mkVariant (mkUint32 7)))
        (mkEntry "smoothing" (mkVariant 0.0))
        (mkEntry "borderColor" (mkVariant (mkTuple [ 0.5 0.5 0.5 1.0 ])))
        (mkEntry "enabled" (mkVariant true))
      ];
    };
  };
}