# nix-build unciv.rix
{   pkgs ? import <nixpkgs> { }, stateDir ? "/var/lib/unciv", port ? "80", nginxEnableACME ? true, nginxForceSSL ? true, nginxIsDefault ? true }:

let

  jarFile = pkgs.fetchurl {
    url = "https://github.com/yairm210/Unciv/releases/download/4.2.6/UncivServer.jar";
    sha256 = "sha256-7YJQnNPng87n1EN+533EBsGgVa3w+B8PuLO0xECcDug=";
  };

  uncivServerCmd = pkgs.writeShellScriptBin "UncivServer.sh" ''   
      ${pkgs.jre}/bin/java -jar ${jarFile} "$@"
  '';

in

{
  packages = uncivServerCmd;

  systemd.services.unciv = {
    description = "unciv server";
    after = [ "network.target" ];
    wantedBy = [ "multi-user.target" ];
    serviceConfig.Restart = "always";
    script = ''
      mkdir -p "${stateDir}"
      ${uncivServerCmd}/bin/UncivServer.sh -f "${stateDir}" -p "${port}"
    '';
  };

  nginx.virtualHosts.unciv = {
    enableACME = nginxEnableACME;
    forceSSL = nginxForceSSL;
    default = nginxIsDefault;
    locations."/".proxyPass = "http://localhost:${port}";
  };


  meta = {
    description = "The multiplayer server for Unciv - An open-source, mod-friendly Android+Desktop remake of Civ V.";
    homepage = https://yairm210.itch.io/unciv;
    maintainers = "stubbfel";
    license = pkgs.lib.licenses.mpl2;
    platforms = pkgs.lib.platforms.unix;
  };
}