{ pkgs, ... }:

let
  eh20 = pkgs.fetchgit {
    url = "https://git.hamburg.ccc.de/CCCHH/easterhegg-eh20-website.git";
    rev = "026932ef2f1fb85c99269e0fb547589a25d3687c";
    hash = "sha256-YYxHhPYIioJgyHXNieoX6ibasHcNw/AFk+qCNSOxke4=";
  };
in
{
  security.acme.certs."eh20.easterhegg.eu".extraDomainNames = [
    "www.eh20.easterhegg.eu"
    "eh20.hamburg.ccc.de"
  ];

  services.nginx.virtualHosts = {
    "acme-eh20.easterhegg.eu" = {
      enableACME = true;
      serverName = "eh20.easterhegg.eu";
      serverAliases = [
        "www.eh20.easterhegg.eu"
        "eh20.hamburg.ccc.de"
      ];
      listen = [{
        addr = "0.0.0.0";
        port = 31820;
      }];
    };

    "www.eh20.easterhegg.eu" = {
      forceSSL = true;
      useACMEHost = "eh20.easterhegg.eu";
      serverAliases = [
        "eh20.hamburg.ccc.de"
      ];

      listen = [{
        addr = "0.0.0.0";
        port = 8443;
        ssl = true;
        proxyProtocol = true;
      }];

      locations."/".return = "302 https://eh20.easterhegg.eu";

      extraConfig = ''
        # Make use of the ngx_http_realip_module to set the $remote_addr and
        # $remote_port to the client address and client port, when using proxy
        # protocol.
        # First set our proxy protocol proxy as trusted.
        set_real_ip_from 172.31.17.140;
        # Then tell the realip_module to get the addreses from the proxy protocol
        # header.
        real_ip_header proxy_protocol;
      '';
    };

    "eh20.easterhegg.eu" = {
      forceSSL = true;
      useACMEHost = "eh20.easterhegg.eu";

      listen = [{
        addr = "0.0.0.0";
        port = 8443;
        ssl = true;
        proxyProtocol = true;
      }];

      locations."/" = {
        index = "start.html";
        root = "${eh20}/wiki_siteexport";
      };

      # redirect doku.php?id=$pagename to /$pagename.html
      locations."/doku.php" = {
        return = "301 $scheme://$host/$arg_id.html";
      };

      extraConfig = ''
        # Make use of the ngx_http_realip_module to set the $remote_addr and
        # $remote_port to the client address and client port, when using proxy
        # protocol.
        # First set our proxy protocol proxy as trusted.
        set_real_ip_from 172.31.17.140;
        # Then tell the realip_module to get the addreses from the proxy protocol
        # header.
        real_ip_header proxy_protocol;
      '';
    };
  };
}