{ stdenv, lib, buildGoPackage, fetchFromGitHub, easyjson }:

buildGoPackage rec {
  pname = "nextcloud-spreed-signaling";
  version = "0.2.0";

  goPackagePath = "github.com/strukturag/nextcloud-spreed-signaling";

  subPackages = [
    "src/signaling"
    "src/server"
    "src/proxy"
  ];

  src = fetchFromGitHub {
    owner = "strukturag";
    repo = pname;
    rev = "v${version}";
    sha256 = "sha256-heDi/kWyPDZ9oPjBhNRBAkiKkkEnXmfSanYvCUSB5Ls=";
  };

  nativeBuildInputs = [ easyjson ];

  goDeps = ./deps.nix;

  preBuild = ''
    ln -s $PWD/go/src/${goPackagePath}/src/* go/src
    easyjson -all go/src/signaling/{api_signaling,api_backend,api_proxy,natsclient,room}.go
  '';

  meta = with lib; {
    description = "Standalone signaling server for Nextcloud Talk";
    homepage = src.meta.homepage;
    license = licenses.agpl3;
    maintainers = with maintainers; [ aw ];
  };
}