# 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
    ];

  # Boot
  boot.loader.grub.enable = false;
  boot.loader.raspberryPi.enable = true;
  boot.loader.raspberryPi.version = 4;

  # Kernel configuration
  boot.kernelPackages = pkgs.linuxPackages_rpi4;
  boot.kernelParams = ["cma=64M" "console=tty0"];

  # Enable additional firmware (such as Wi-Fi drivers).
  hardware.enableRedistributableFirmware = true;

  networking.hostName = "levitest"; # Define your hostname.
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
  # Per-interface useDHCP will be mandatory in the future, so this generated config
  # replicates the default behaviour.
  networking.useDHCP = false;
  networking.interfaces.eth0.useDHCP = true;
  networking.interfaces.wlan0.useDHCP = true;

  # Select internationalisation properties.
  # i18n.defaultLocale = "en_US.UTF-8";
  # console = {
  #   font = "Lat2-Terminus16";
  #   keyMap = "us";
  # };

  # Set your time zone.
  time.timeZone = "UTC";

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.gnupg.agent = {
  #   enable = true;
  #   enableSSHSupport = true;
  #   pinentryFlavor = "gnome3";
  # };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;

  # Nginx webserver configuration
  services.nginx = {
    enable = true;
    virtualHosts."default_server" = {
      root = "/var/www/default";
    };
  };

  services.nextcloud = {
    enable = true;
    hostName = "nextcloud." + config.networking.hostName;
    nginx.enable = true;
    config = {
      dbtype = "pgsql";
      dbuser = "nextcloud";
      dbhost = "/run/postgresql";
      dbname = "nextcloud";
      adminpassFile = "/var/lib/nextcloud/config/adminpass";
      adminuser = "root";
    };
  };

  services.postgresql = {
    enable = true;
    ensureDatabases = [ "nextcloud" ];
    ensureUsers = [
      { name = "nextcloud";
        ensurePermissions."DATABASE nextcloud" = "ALL PRIVILEGES";
      }
    ];
  };

  # ensure that postgres is running *before* running the nextcloud setup
  systemd.services."nextcloud-setup" = {
    requires = [ "postgresql.service" ];
    after = [ "postgresql.service" ];
  };

  # Open ports in the firewall.
  networking.firewall.allowedTCPPorts = [ 22 80 443 ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.loooph = {
    isNormalUser = true;
    home = "/home/loooph";
    extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
    openssh.authorizedKeys.keys = [ "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBCboBeXmDWM6Em3hwvAbbHbAmSV0fY+95Q+cM9ocx0a loooph@Loooph-Desktop" ];
  };

  nix.gc.automatic = true;
  nix.gc.options = "--delete-older-than 30d";

  # 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 = "20.03"; # Did you read the comment?

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    wget vim git htop tmux
  ];

}