# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ config, pkgs, ... }:

{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
      ./modules/programs.nix
      ./modules/fonts.nix
      ./modules/gnome.nix
      ./modules/intel-gpu.nix
    ];

  # Bootloader
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.loader.grub.configurationLimit = 10;

  boot.initrd.luks.devices."luks-886090f3-1ba1-4134-9734-5b922106820d".device = "/dev/disk/by-uuid/886090f3-1ba1-4134-9734-5b922106820d";

  # Let the system detect and handle plugged-in hardware
  services.udev.enable = true;

  # Clear /tmp during boot
  boot.tmp.cleanOnBoot = true;

  # Housekeeping: Garbage collection
  nix.optimise.automatic = true;

  nix.gc = {
    automatic = true;
    dates = "daily";
    options = "--delete-older-than 7d";
  };

  nix.settings.auto-optimise-store = true;

  # Increase buffer size
  nix.settings.download-buffer-size = "4G";

  # Adding features but not flakes
  nix.settings = {
     experimental-features = "nix-command";
   };

  # Networking
  networking.hostName = "greynix"; # Define your hostname.
  networking.networkmanager.enable = true;

  #Recommended if you plan to use networked printers, scanners, or file shares.
  services.avahi = {
    enable = true;              # Start the Avahi daemon.
    ipv4 = true;                # Enable mDNS for IPv4.
    ipv6 = true;                # Enable mDNS for IPv6.
    nssmdns4 = true;            # Enable mDNS resolution for IPv4.
    nssmdns6 = true;            # Enable mDNS resolution for IPv6.
    publish = {
      enable = true;            # Allow publishing services.
      addresses = true;         # Broadcast local IP addresses.
      workstation = true;       # Advertise as a "workstation" on the network.
      hinfo = true;             # Share hardware info (e.g. CPU/OS).
      userServices = true;      # Allow user-level services to be advertised.
    };
  };

  environment.etc."nsswitch.conf".text = ''
    passwd:      files systemd
    group:       files systemd
    shadow:      files systemd
    hosts:       files mdns4_minimal mdns6_minimal [NOTFOUND=return] dns mdns4 mdns6 wins
    networks:    files
    protocols:   db files
    services:    db files
    ethers:      db files
    rpc:         db files
  '';

  # Sudo options
  # Disable sudo password for the wheel group
  security.sudo.wheelNeedsPassword = false;
  #  Enable sudo-rs for better security (memory safe, written in Rust).
  security.sudo-rs.enable = true;

  # Set your time zone.
  time.timeZone = "Asia/Taipei";

  # Select internationalisation properties.
  i18n.defaultLocale = "en_US.UTF-8";

  i18n.extraLocaleSettings = {
    LC_ADDRESS = "zh_TW.UTF-8";
    LC_IDENTIFICATION = "zh_TW.UTF-8";
    LC_MEASUREMENT = "zh_TW.UTF-8";
    LC_MONETARY = "zh_TW.UTF-8";
    LC_NAME = "zh_TW.UTF-8";
    LC_NUMERIC = "zh_TW.UTF-8";
    LC_PAPER = "zh_TW.UTF-8";
    LC_TELEPHONE = "zh_TW.UTF-8";
    LC_TIME = "zh_TW.UTF-8";
  };

 # Traditional Chinese input
  i18n.inputMethod = {
    enable = true;
    type = "fcitx5";
    fcitx5.addons = with pkgs; [
      fcitx5-chewing
      fcitx5-chinese-addons
      fcitx5-table-extra
    ];
  };

  # Xserver Options
  # Enable the X11 windowing system.
  services.xserver.enable = true;

  services.xserver.videoDrivers = [ "amdgpu" "intel" ];

  # Enable the GNOME Desktop Environment.
  services.xserver.displayManager.gdm.enable = true;
  services.xserver.desktopManager.gnome.enable = true;
  # Remove Xterm program
  services.xserver.excludePackages = [ pkgs.xterm ];
  services.xserver.desktopManager.xterm.enable = false; 

  # Configure keymap in X11
  services.xserver.xkb = {
    layout = "us";
    variant = "";
  };

  # Enable CUPS to print documents.
  services.printing.enable = false;

  # Enable sound with pipewire.
  services.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
  };

  # Enable touchpad support (enabled default in most desktopManager).
  # services.xserver.libinput.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.elias = {
    isNormalUser = true;
    description = "elias";
#ADDED AUDIO GROUP FOR MICROPHONE, DIDN"T HELP
    extraGroups = [ "networkmanager" "wheel" "audio"];
    packages = with pkgs; [
    #  thunderbird
    ];
  };

  # Enable automatic login for the user.
  services.displayManager.autoLogin.enable = true; 
  services.displayManager.autoLogin.user = "elias"; 

  # Workaround for GNOME autologin: https://github.com/NixOS/nixpkgs/issues/103746#issuecomment-945091229
  systemd.services."getty@tty1".enable = false;
  systemd.services."autovt@tty1".enable = false;

  # Programs
  # =====================
  # Most programs installed in modules/programs.nix

  # Install firefox.
  programs.firefox.enable = true;

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  # Services 
  # =====================
  # List services that you want to enable:

  # Enable OpenSSH daemon
  services.openssh.enable = false;

  # Enable Flatpak
  services.flatpak.enable = true;

  # Enable Tailscale
  services.tailscale.enable = true;

  # Enable Podman
  virtualisation.podman = {
    enable = true;
    dockerCompat = true;
  };

  # Enable Firmware Updater
  services.fwupd.enable = true;
  # fwupdmgr refresh
  # fwupdmgr get-updates

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It‘s perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
  system.stateVersion = "24.11"; # Did you read the comment?

}