e-imzo.nix

{
  lib,
  stdenv,
  jre8,
  curl,
  ccid,
  fetchurl,
  pcsclite,
  pcsc-tools,
  writeShellScript,
}:
let
  isApple = builtins.elem system [
    "aarch64-darwin"
    "x86_64-darwin"
  ];

  ext = if isApple then ".dylib" else ".so";

  exec = writeShellScript "e-imzo" ''
    # Change working directory to script
    cd "$(dirname "$0")/../lib"

    # Let's parse these args like a pro
    POSITIONAL_ARGS=()

    # While params go brrr...
    while [[ $# -gt 0 ]]; do
      case $1 in
        -id|--id-card)
          IDCARD=YES
          shift # past argument
          ;;
        -*|--*)
          echo "Unknown option or parameter: $1"
          exit 1
          ;;
        *)
          POSITIONAL_ARGS+=("$1") # save positional arg
          shift # past argument
          ;;
      esac
    done

    # Start the damned server depending on args
    if [[ -n $IDCARD ]]; then
      ${jre8}/bin/java -Dsun.security.smartcardio.library=${pcsclite.lib}/lib/libpcsclite.${ext} -jar ../lib/E-IMZO.jar
    else
      ${jre8}/bin/java -jar ../lib/E-IMZO.jar
    fi

    exit 0
  '';

in
stdenv.mkDerivation rec {
  pname = "e-imzo";
  version = "4.64";

  src = fetchurl {
    url = "https://dls.yt.uz/E-IMZO-v${version}.tar.gz";
    hash = "sha256-ej99PJrO9ufJ8+VlC/HpfvS/bGBtKqUWcsRyiZRlU4c=";
  };

  buildInputs = [
    jre8
    curl
    ccid
    pcsclite
    pcsc-tools
  ];

  installPhase = ''
    # Executables folder
    mkdir -p $out/bin

    # Library folder
    mkdir -p $out/lib

    # Copy java thingies to lib
    cp -r ./lib $out/lib/
    cp ./E-IMZO.jar $out/lib/
    cp ./E-IMZO.pem $out/lib/
    cp ./truststore.jks $out/lib/

    # Copy the shell script to bin
    cp -r "${exec}" $out/bin/e-imzo
  '';

  meta = with lib; {
    description = "E-IMZO for uzbek state web identity proving & key signing";
    mainProgram = "e-imzo";
    licencse = lib.licenses.unfree;
    platforms = with platforms; linux ++ darwin;
    homepage = "https://github.com/xinux-org/e-imzo";
    license = with licenses; [ unfree ];
    maintainers = with maintainers; [ orzklv ];
  };
}