{ lib
, stdenv
, autoreconfHook
, avahi
, coreutils
, fetchurl
, freeipmi
, gd
, i2c-tools
, libgpiod_1
, libmodbus
, libtool
, libusb1
, makeWrapper
, neon
, net-snmp
, openssl
, pkg-config
, substituteAll
, systemd
, udev
, gnused
}:

stdenv.mkDerivation rec {
  pname = "nut";
  version = "2.8.2";

  src = fetchurl {
    url = "https://networkupstools.org/source/${lib.versions.majorMinor version}/${pname}-${version}.tar.gz";
    sha256 = "sha256-5LSwy+fdObqQl75/fXh7sv/74132Tf9Ttf45PWWcWX0=";
  };

  patches = [
    # This patch injects a default value for NUT_CONFPATH into the nutshutdown script
    # since the way we build the package results in the binaries being hardcoded to check
    # $out/etc/ups.conf instead of /etc/nut/ups.conf (where the module places the file).
    # We also cannot use `--sysconfdir=/etc/nut` since that results in the install phase
    # trying to install directly into /etc/nut which predictably fails
    ./nutshutdown-conf-default.patch

    (substituteAll {
      src = ./hardcode-paths.patch;
      avahi = "${avahi}/lib";
      freeipmi = "${freeipmi}/lib";
      libgpiod = "${libgpiod_1}/lib";
      libusb = "${libusb1}/lib";
      neon = "${neon}/lib";
      libmodbus = "${libmodbus}/lib";
      netsnmp = "${net-snmp.lib}/lib";
    })
  ];

  buildInputs = [ neon libusb1 openssl udev avahi freeipmi libgpiod_1 libmodbus libtool i2c-tools net-snmp gd ];

  nativeBuildInputs = [ autoreconfHook pkg-config makeWrapper ];

  configureFlags =
    [ "--with-all"
      "--with-ssl"
      "--without-powerman" # Until we have it ...
      "--with-systemdsystemunitdir=$(out)/lib/systemd/system"
      "--with-systemdshutdowndir=$(out)/lib/systemd/system-shutdown"
      "--with-systemdtmpfilesdir=$(out)/lib/tmpfiles.d"
      "--with-udev-dir=$(out)/etc/udev"
    ];

  enableParallelBuilding = true;

  # Add `cgi-bin` to the default list to avoid pulling in whole
  # of `gcc` into build closure.
  stripDebugList = [ "cgi-bin" "lib" "lib32" "lib64" "libexec" "bin" "sbin" ];

  postInstall = ''
    substituteInPlace $out/lib/systemd/system-shutdown/nutshutdown \
      --replace /bin/sed "${gnused}/bin/sed" \
      --replace /bin/sleep "${coreutils}/bin/sleep" \
      --replace /bin/systemctl "${systemd}/bin/systemctl"

    for file in system/{nut-monitor.service,nut-driver-enumerator.service,nut-server.service,nut-driver@.service} system-shutdown/nutshutdown; do
      substituteInPlace $out/lib/systemd/$file \
        --replace "$out/etc/nut.conf" "/etc/nut/nut.conf"
    done

    substituteInPlace $out/lib/systemd/system/nut-driver-enumerator.path \
      --replace "$out/etc/ups.conf" "/etc/nut/ups.conf"

    # Suspicious/overly broad rule, remove it until we know better
    rm $out/etc/udev/rules.d/52-nut-ipmipsu.rules
  '';

  meta = with lib; {
    description = "Network UPS Tools";
    longDescription = ''
      Network UPS Tools is a collection of programs which provide a common
      interface for monitoring and administering UPS, PDU and SCD hardware.
      It uses a layered approach to connect all of the parts.
    '';
    homepage = "https://networkupstools.org/";
    platforms = platforms.linux;
    maintainers = [ maintainers.pierron ];
    license = with licenses; [ gpl1Plus gpl2Plus gpl3Plus ];
    priority = 10;
  };
}