# This is your system's configuration file.
# Use this to configure your system environment (it replaces /etc/nixos/configuration.nix)
{
  inputs,
  lib,
  config,
  pkgs,
  ...
}: {
  # You can import other NixOS modules here
  imports = [
    ./hardware-configuration.nix
  ];

  services.xserver = {
    enable = true;
    xkb.layout = "us";
    libinput.enable = true;
  };

  services.tailscale.enable = true;

  hardware.opengl = {
    enable = true;
    driSupport = true;
    driSupport32Bit = true;
  };

  nixpkgs = {
    # Configure your nixpkgs instance
    config = {
      # Disable if you don't want unfree packages
      allowUnfree = true;
    };
  };

  nix = {
    # This will add each flake input as a registry
    # To make nix3 commands consistent with your flake
    registry = lib.mapAttrs (_: value: {flake = value;}) inputs;

    # This will additionally add your inputs to the system's legacy channels
    # Making legacy nix commands consistent as well, awesome!
    nixPath = lib.mapAttrsToList (key: value: "${key}=${value.to.path}") config.nix.registry;

    settings = {
      # Enable flakes and new 'nix' command
      experimental-features = "nix-command flakes";
      # Deduplicate and optimize nix store
      auto-optimise-store = true;
    };
  };

  # the configuration (pain)
  programs = {
    gnupg.agent = {
      enable = true;
      enableSSHSupport = true;
    };
    hyprland = {
      enable = true;
      xwayland.enable = true;
    };
    zsh.enable = true;
  };

  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
  };

  environment.systemPackages = with pkgs; [
    gcc
    git
    grim
    lxqt.lxqt-policykit
    pavucontrol
    pciutils
    pulseaudio
    screen
    slurp
    usbutils
    wget
    wl-clipboard
    xdg-utils
    swaynotificationcenter
    swayidle
    wofi
    swaylock
    gnome.gnome-keyring
    gtklock
    fprintd
    tailscale
  ];

  services.fprintd = {
    enable = true;
  };
  services.printing.enable = true;

  fonts.packages = with pkgs; [
    font-awesome
    nerdfonts
    jetbrains-mono
    winePackages.fonts
  ];

  networking.hostName = "watermelon";
  networking.networkmanager.enable = true;

  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.initrd.systemd.enable = true;
  boot.kernelPackages = pkgs.linuxPackages_latest;

  # Set a time zone, idiot
  time.timeZone = "Europe/London";

  # Fun internationalisation stuffs (AAAAAAAA)
  i18n.defaultLocale = "en_GB.UTF-8";

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

  # define user acc
  users.users.floppydisk = {
    isNormalUser = true;
    description = "Frankie B.";
    extraGroups = ["networkmanager" "wheel"];
    openssh.authorizedKeys.keys = [
      # TODO: Add your SSH public key(s) here, if you plan on using SSH to connect
    ];
    shell = pkgs.zsh;
  };

  nix.gc = {
    automatic = true;
    dates = "weekly";
    options = "--delete-older-than 30d";
  };

  # This setups a SSH server. Very important if you're setting up a headless system.
  # Feel free to remove if you don't need it.

  services.openssh.enable = true;

  services.greetd = {
    enable = true;
    restart = true;
    settings = {
      default_session = {
        command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time --cmd Hyprland";
        user = "greeter";
      };
    };
  };

  systemd.services.greetd.serviceConfig = {
    Type = "idle";
    StandardInput = "tty";
    StandardOutput = "tty";
    StandardError = "journal";
    TTYReset = "true";
    TTYHangup = "true";
    TTYVTDisallocate = true;
  };

  security.pam.services.gtklock.text = lib.readFile "${pkgs.gtklock}/etc/pam.d/gtklock";

  networking.firewall.enable = false;

  system.stateVersion = "24.05";
}