{ lib, utils, buildGoPackage
, androidPkgs, openjdk, gomobile, xcodeWrapper, removeReferencesTo
, meta
, source
, platform ? "android"
, platformVersion ? "23"
, targets ? [ "android/arm64" "android/arm" ]
, goBuildFlags ? [ ] # Use -v or -x for debugging.
, goBuildLdFlags ? [ ]
, outputFileName ? "status-go-${source.shortRev}-${platform}.aar" }:

let
  inherit (lib) concatStringsSep optionalString optional;
in buildGoPackage {
  pname = source.repo;
  version = "${source.cleanVersion}-${source.shortRev}-${platform}";

  inherit meta;
  inherit (source) src goPackagePath;

  extraSrcPaths = [ gomobile ];
  nativeBuildInputs = [ gomobile removeReferencesTo ]
    ++ optional (platform == "android") openjdk
    ++ optional (platform == "ios") xcodeWrapper;

  ldflags = concatStringsSep " " goBuildLdFlags;

  ANDROID_HOME = optionalString (platform == "android") androidPkgs.sdk;

  # Ensure XCode is present for iOS, instead of failing at the end of the build.
  preConfigure = optionalString (platform == "ios") utils.enforceXCodeAvailable;

  buildPhase = ''
    runHook preBuild
    echo -e "\nBuilding $pname for: ${concatStringsSep "," targets}"

    gomobile bind \
      ${concatStringsSep " " goBuildFlags} \
      -ldflags="$ldflags" \
      -target=${concatStringsSep "," targets} \
      ${optionalString (platform == "android") "-androidapi=${platformVersion}"} \
      ${optionalString (platform == "ios") "-iosversion=${platformVersion}"} \
      -o ${outputFileName} \
      ${source.goPackagePath}/mobile

    runHook postBuild
  '';

  installPhase = ''
    mkdir -p $out
    cp -r ${outputFileName} $out/
  '';

  # Drop govers from disallowedReferences.
  dontRenameImports = true;
  # Replace hardcoded paths to go package in /nix/store.
  preFixup = optionalString (platform == "ios") ''
    find $out -type f -exec \
      remove-references-to -t $disallowedReferences '{}' + || true
  '';
}