{
  lib,
  config,
  ...
}: {
  options.services.home-assistant = {
    subdomain = lib.mkOption {
      type = lib.types.str;
      description = "subdomain of base domain that home-assistant will be hosted at";
      default = "home-assistant";
    };
  };

  config = lib.mkIf (config.host.reverse_proxy.enable && config.services.home-assistant.enable) {
    host = {
      reverse_proxy.subdomains.${config.services.home-assistant.subdomain} = {
        target = "http://localhost:${toString config.services.home-assistant.config.http.server_port}";

        websockets.enable = true;
        forwardHeaders.enable = true;

        extraConfig = ''
          add_header Upgrade $http_upgrade;
          add_header Connection \"upgrade\";

          proxy_buffering off;

          proxy_read_timeout 90;
        '';
      };
    };
  };
}