# 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, chirp, ... }:

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

  # Use the GRUB 2 boot loader.
  boot.loader.systemd-boot.enable = true;
  # boot.loader.grub.efiSupport = true;
  # boot.loader.grub.efiInstallAsRemovable = true;
  # boot.loader.efi.efiSysMountPoint = "/boot/efi";
  # Define on which hard drive you want to install Grub.
  # boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only

  nix.settings.experimental-features = [ "nix-command" "flakes" ];
  nix.package = pkgs.nixVersions.nix_2_28;

  nix.gc = {
    automatic = true;
    options = "--delete-older-than 30d";
  };
  nix.optimise.automatic = true;
  system.autoUpgrade = {
    enable = true;
    allowReboot = true;
  };

  networking.hostName = "pschdev"; # Define your hostname.
  # 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.

  networking.firewall = {
    enable = true;
    allowedTCPPorts = [ 80 443 9418 ];
  };

  # Set your time zone.
  time.timeZone = "Europe/Amsterdam";

  # 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 = "de_DE.UTF-8";
  console = {
    font = "Lat2-Terminus16";
    keyMap = "de-latin1-nodeadkeys";
    # useXkbConfig = true; # use xkb.options in tty.
  };

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

  # Configure keymap in X11
  # services.xserver.xkb.layout = "us";
  # services.xserver.xkb.options = "eurosign:e,caps:escape";

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

  # Enable sound.
  # hardware.pulseaudio.enable = true;
  # OR
  # services.pipewire = {
  #   enable = true;
  #   pulse.enable = true;
  # };

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

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.ps = {
    isNormalUser = true;
    extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
    packages = with pkgs; [
    ];
  };

  security = {
    polkit.enable = true;
    sudo.wheelNeedsPassword = false;
  };

  # nixpkgs.config.allowUnfree = true;

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    vim wget file git fzf bat
    helix
    gitui
    bintools
    btop htop
    systemctl-tui
    tmux

    pkg-config
  ];

  # git
  users.users.git = {
    isSystemUser = true;
    group = "git";
    home = "/srv/git";
    createHome = true;
    homeMode = "750";
    shell = "${pkgs.git}/bin/git-shell";
    openssh.authorizedKeys.keys = [
      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICQOPefMnq0qvFjYxlrdlSmUgyCbvV85gkfRykVlTnrn ps@nixos"
    ];
  };
  users.groups.git = {};

  programs.git = {
    enable = true;
    config = {
      init.defaultBranch = "main";
      user.name = "Patrick";
      user.email = "patrick.schoenberger@posteo.de";
    };
  };

  # 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;
    extraConfig = ''
      Match user git
        AllowTcpForwarding no
        AllowAgentForwarding no
        PasswordAuthentication no
        PermitTTY no
        X11Forwarding no
    '';
  };
  services.qemuGuest.enable = true;
  # virtualisation.qemu.guestAgent.enable = true;

  services.caddy = {
    enable = true;
    virtualHosts."psch.dev".extraConfig = ''
      respond "hello :D"
    '';
    virtualHosts."chirp.psch.dev".extraConfig = ''
      reverse_proxy http://localhost:8080 {
        request_buffers 8192
      }
      tls {
        protocols tls1.3 tls1.3
      }
    '';
    virtualHosts."git.psch.dev".extraConfig = ''
      redir / /cgit
      reverse_proxy localhost:8082
    '';
  };

  # services.chirp = {
  #   enable = true;
  # };
  users.users.chirp = {
    isSystemUser = true;
    group = "chirp";
    home = "/var/lib/chirp";
    createHome = true;
  };
  users.groups.chirp = {};
  
  systemd.services.chirp = {
    description = "Chirp SystemD Service";
    wantedBy = ["multi-user.target"];
    after = ["network.target"];
    serviceConfig = {
      WorkingDirectory = "/var/lib/chirp";
      ExecStart = "${chirp.packages.${pkgs.system}.default}/bin/chirp";
      Restart = "always";
      Type = "simple";
      User = "chirp";
      Group = "chirp";
    };
  };

  services.gitDaemon = {
    enable = true;
    basePath = "/srv/git";
    repositories = [ "/srv/git" ];
    exportAll = true;
    port = 9418;
  };

  services.lighttpd = {
    enable = true;
    document-root = "/srv/www";
    port = 8082;

    cgit = {
      enable = true;
      subdir = "cgit";
      configText = ''
        scan-path=/srv/git
        robots=noindex, nofollow
      '';
    };
    gitweb.enable = true;
  };
  users.users."lighttpd".extraGroups = [ "git" ];

  services.gitweb = {
    gitwebTheme = false;
    projectroot = "/srv/git";
  };

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

  # 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;

  # This option defines the first version of NixOS you have installed on this particular machine,
  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
  #
  # Most users should NEVER change this value after the initial install, for any reason,
  # even if you've upgraded your system to a new NixOS release.
  #
  # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
  # so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
  # to actually do that.
  #
  # This value being lower than the current NixOS release does NOT mean your system is
  # out of date, out of support, or vulnerable.
  #
  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
  # and migrated your data accordingly.
  #
  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
  system.stateVersion = "24.05"; # Did you read the comment?

}