# ==========================================
# DESKTOP ENVIRONMENT — Hyprland + Waybar + Walker
# ==========================================
# Omarchy-inspired: keyboard-first tiling Wayland compositor
# with a clean status bar and fast application launcher.
# ==========================================
{ config, pkgs, ... }:

{
  # Hyprland compositor
  programs.hyprland = {
    enable = true;
    xwayland.enable = true;
  };

  # greetd + tuigreet (minimal TUI login — no bloated DMs)
  services.greetd = {
    enable = true;
    settings = {
      default_session = {
        command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time --remember --remember-session --cmd Hyprland";
        user = "greeter";
      };
    };
  };

  # Disable other display managers
  services.xserver.enable = false;

  # Polkit for privilege escalation prompts
  security.polkit.enable = true;

  # GNOME Keyring for secrets/passwords
  services.gnome.gnome-keyring.enable = true;
  security.pam.services.greetd.enableGnomeKeyring = true;

  # Screen locking
  programs.hyprlock.enable = true;

  # Idle management
  services.hypridle.enable = true;

  # XDG Desktop Portal (screen sharing, file pickers)
  xdg.portal = {
    enable = true;
    extraPortals = [
      pkgs.xdg-desktop-portal-hyprland
      pkgs.xdg-desktop-portal-gtk
    ];
  };

  # Keyboard — caps lock as escape (omarchy default)
  services.xserver.xkb = {
    layout = "us";
    variant = "";
    options = "caps:escape";
  };

  # Desktop packages available system-wide
  environment.systemPackages = with pkgs; [
    waybar             # Status bar
    walker             # Application launcher
    mako               # Notification daemon
    wl-clipboard       # Wayland clipboard
    cliphist           # Clipboard history
    brightnessctl      # Backlight control
    playerctl          # Media key control
    swayosd            # On-screen display for volume/brightness
    grim               # Screenshot
    slurp              # Region selection
    swappy             # Screenshot editor
    wdisplays          # Display configurator
    networkmanagerapplet # Tray network widget
    blueman            # Bluetooth manager
    polkit_gnome       # Polkit GUI agent
  ];
}