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

{
  boot.cleanTmpDir = true;
  networking.hostName = "shadowchild";
  networking.domain = "mccarty.io";
  networking.firewall.allowPing = true;

  # Turn on nginx so we can get a lets encrypt cert
  security.acme.email = "nathan@mccarty.io";
  security.acme.acceptTerms = true;

  services.nginx = {
    enable = true;
    recommendedTlsSettings = true;
    recommendedOptimisation = true;
    recommendedGzipSettings = true;
    recommendedProxySettings = true;
    virtualHosts."turn.community.rs" = {
      enableACME = true;
      forceSSL = true;
    };
  };

  services.coturn = rec {
    enable = true;
    no-cli = true;
    no-tcp-relay = true;
    min-port = 49000;
    max-port = 50000;
    use-auth-secret = true;
    static-auth-secret = "5C1rbLi5pPJhEGTzkVR1";
    realm = "turn.community.rs";
    cert = "${config.security.acme.certs.${realm}.directory}/full.pem";
    pkey = "${config.security.acme.certs.${realm}.directory}/key.pem";
    extraConfig = ''
      # for debugging
      verbose
      # ban private IP ranges
      no-multicast-peers
      denied-peer-ip=0.0.0.0-0.255.255.255
      denied-peer-ip=10.0.0.0-10.255.255.255
      denied-peer-ip=100.64.0.0-100.127.255.255
      denied-peer-ip=127.0.0.0-127.255.255.255
      denied-peer-ip=169.254.0.0-169.254.255.255
      denied-peer-ip=192.0.0.0-192.0.0.255
      denied-peer-ip=192.0.2.0-192.0.2.255
      denied-peer-ip=192.88.99.0-192.88.99.255
      denied-peer-ip=192.168.0.0-192.168.255.255
      denied-peer-ip=198.18.0.0-198.19.255.255
      denied-peer-ip=198.51.100.0-198.51.100.255
      denied-peer-ip=203.0.113.0-203.0.113.255
      denied-peer-ip=240.0.0.0-255.255.255.255
      denied-peer-ip=::1
      denied-peer-ip=64:ff9b::-64:ff9b::ffff:ffff
      denied-peer-ip=::ffff:0.0.0.0-::ffff:255.255.255.255
      denied-peer-ip=100::-100::ffff:ffff:ffff:ffff
      denied-peer-ip=2001::-2001:1ff:ffff:ffff:ffff:ffff:ffff:ffff
      denied-peer-ip=2002::-2002:ffff:ffff:ffff:ffff:ffff:ffff:ffff
      denied-peer-ip=fc00::-fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
      denied-peer-ip=fe80::-febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff
    '';
  };
  # open the firewall
  networking.firewall = {
    interfaces.enp2s0 =
      let
        range = with config.services.coturn; [{
          from = min-port;
          to = max-port;
        }];
      in
      {
        allowedUDPPortRanges = range;
        allowedUDPPorts = [ 3478 ];
        allowedTCPPortRanges = range;
        allowedTCPPorts = [ 3478 ];
      };
  };

  networking.firewall.allowedTCPPorts = [ 80 443 ];
  networking.firewall.allowedUDPPorts = [ 80 443 ];
}