# Edit this configuration file to define what should be installed on
# your system. Help is available in the configuration.nix(5) man page, on
# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).

{ config, lib, pkgs, ... }:

{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
    ];

  # Use the systemd-boot EFI boot loader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  networking.hostName = "yevaud";
  networking.hostId = "09673d65";
  # Pick only one of the below networking options.
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
  # networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.

  time.timeZone = "Etc/UTC";

  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

  # Select internationalisation properties.
  # i18n.defaultLocale = "en_US.UTF-8";
  # console = {
  #   font = "Lat2-Terminus16";
  #   keyMap = "us";
  #   useXkbConfig = true; # use xkb.options in tty.
  # };

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.bluebird = {
    isNormalUser = true;
    extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
    openssh.authorizedKeys.keys = [
      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJEmkV9arotms79lJPsLHkdzAac4eu3pYS08ym0sB/on bluebird@tohru"
    ];
  };

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  # environment.systemPackages = with pkgs; [
  #   vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
  #   wget
  # ];

  # 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;
  # };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  services.openssh = {
    enable = true;
    settings = {
      PasswordAuthentication = false;
      PermitRootLogin = "no";
    };
  };

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

  services.fail2ban.enable = true;

  services.nginx = {
    enable = true;

    recommendedGzipSettings = true;
    recommendedOptimisation = true;
    recommendedProxySettings = true;
    recommendedTlsSettings = true;

    sslCiphers = "AES256+EECDH:AES256+EDH:!aNULL";

    appendHttpConfig = ''
      map $scheme $hsts_header {
          https   "max-age=31536000; includeSubdomains; preload";
      }
      add_header Strict-Transport-Security $hsts_header;
      #add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
      add_header 'Referrer-Policy' 'strict-origin-when-cross-origin';
      add_header X-Frame-Options SAMEORIGIN;
      add_header X-Content-Type-Options nosniff;
      proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
    '';

    virtualHosts = let
      base = {
        forceSSL = true;
        enableACME = true;
      };
      proxy = port: {
        locations."/".proxyPass = "http://[::1]:${toString(port)}/";
      };
    in {
      "git.katherina.rocks" = base // proxy 3000;
    };
  };
  security.acme = {
    acceptTerms = true;
    defaults.email = "accounts@katherina.rocks";
  };

  services.forgejo = {
    enable = true;
    stateDir = "/data/forgejo";
    settings = {
      DEFAULT.APP_NAME = "git.katherina.rocks";
      cache = {
        ADAPTER = "twoqueue";
        HOST = ''{"size": 100, "recent_ratio": 0.25, "ghost_ratio": 0.5}'';
      };
      database = {
        DB_TYPE = "sqlite3";
        SQLITE_JOURNAL_MODE = "WAL";
      };
      security.LOGIN_REMEMBER_DAYS = 365;
      server = {
        DOMAIN = "git.katherina.rocks";
        HTTP_PORT = 3000;
        ROOT_URL = "https://git.katherina.rocks/";
      };
      service.DISABLE_REGISTRATION = true;
    };
  };

  # Copy the NixOS configuration file and link it from the resulting system
  # (/run/current-system/configuration.nix). This is useful in case you
  # accidentally delete configuration.nix.
  # system.copySystemConfiguration = true;

  system.stateVersion = "23.11"; # Did you read the comment?

}