#!/usr/bin/env bash
set -euo pipefail

repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
"${repo_root}/tools/web/configure-blender-native.sh" "$@"
source "${repo_root}/tools/web/native-build-env.sh"

build_target="${BLENDER_BUILD_TARGET:-blender}"
jobs="${BLENDER_BUILD_JOBS:-2}"
cmake --build "${BLENDER_BUILD_DIR}" --target "${build_target}" --parallel "${jobs}"
test -x "${BLENDER_BUILD_DIR}/bin/blender"

# Blender's bundled asset-library add-on imports cattrs, while upstream's
# install rules only copy NumPy, requests, and zstandard. Copy the small
# pure-Python dependency set into the portable bundle after installation.
if [[ "${build_target}" == "install" ]]; then
  bundle_site="${BLENDER_BUILD_DIR}/bin/5.2/python/lib/python3.13/site-packages"
  source_site="${BLENDER_PYTHON_ROOT}/lib/python3.13/site-packages"
  mkdir -p "${bundle_site}"
  for package in cattrs attrs attr cattr; do
    if [[ -d "${source_site}/${package}" ]]; then
      rm -rf "${bundle_site:?}/${package}"
      cp -a "${source_site}/${package}" "${bundle_site}/"
    fi
  done
  if [[ -d "${source_site}/numpy.libs" ]]; then
    rm -rf "${bundle_site:?}/numpy.libs"
    cp -a "${source_site}/numpy.libs" "${bundle_site}/"
  fi
  for module in typing_extensions.py; do
    if [[ -f "${source_site}/${module}" ]]; then
      cp -a "${source_site}/${module}" "${bundle_site}/"
    fi
  done
  for metadata in "${source_site}"/{cattrs,attrs,typing_extensions}-*.dist-info; do
    if [[ -d "${metadata}" ]]; then
      cp -a "${metadata}" "${bundle_site}/"
    fi
  done
fi

# Keep historical task cards runnable while the clean native build lives in a
# separate directory. Preserve a copied-host binary before replacing it.
legacy_binary="${repo_root}/build_blender_5.2.0/bin/blender"
if [[ "${legacy_binary}" != "${BLENDER_BUILD_DIR}/bin/blender" ]]; then
  mkdir -p "$(dirname "${legacy_binary}")"
  if [[ -e "${legacy_binary}" && ! -L "${legacy_binary}" ]]; then
    legacy_backup="${legacy_binary}.copied-host"
    if [[ ! -e "${legacy_backup}" ]]; then
      mv "${legacy_binary}" "${legacy_backup}"
    else
      echo "legacy Blender backup already exists: ${legacy_backup}" >&2
      exit 3
    fi
  fi
  ln -sfn "../../build_blender_native/bin/blender" "${legacy_binary}"
fi
"${BLENDER_BUILD_DIR}/bin/blender" --version | head -3
printf 'native-build-ok binary=%s\n' "${BLENDER_BUILD_DIR}/bin/blender"