name: Build and Publish Wheels

on:
  push:
    tags:
      - "v*"
  workflow_dispatch:

jobs:
  build_stencils:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install cross compilers
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            gcc-12-aarch64-linux-gnu \
            gcc-12-arm-linux-gnueabihf \
            gcc-12-mips-linux-gnu \
            gcc-12-riscv64-linux-gnu \
            gcc-12-mingw-w64-x86-64

      - name: Build object files
        run: bash src/copapy/obj/crosscompile.sh

      - uses: actions/upload-artifact@v4
        with:
          name: stencil-object-files
          path: src/copapy/obj/*.o

  build_wheels:
    needs: [build_stencils]
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]

    steps:
      - uses: actions/checkout@v4

      - uses: actions/download-artifact@v4
        with:
          name: stencil-object-files
          path: src/copapy/obj

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      # Only needed for Linux ARM builds
      - name: Set up QEMU
        if: runner.os == 'Linux'
        uses: docker/setup-qemu-action@v2
        with:
          platforms: all

      - name: Install dependencies
        run: python -m pip install --upgrade pip cibuildwheel cython setuptools wheel

      - name: Build wheels
        run: cibuildwheel --output-dir wheelhouse
        env:
          # Multi-arch builds
          CIBW_ARCHS_LINUX: "x86_64 aarch64"
          CIBW_ARCHS_MACOS: "universal2" # x86_64 arm64
          CIBW_ARCHS_WINDOWS: "AMD64 x86"

      - uses: actions/upload-artifact@v4
        with:
          name: wheels-${{ matrix.os }}
          path: wheelhouse/*.whl

#  publish:
#    needs: [build_wheels]
#    runs-on: ubuntu-latest
#    steps:
#      - name: Install Twine
#        run: pip install twine

#      - uses: actions/download-artifact@v4
#        with:
#          path: wheelhouse

#      - name: Publish to PyPI
#        env:
#          TWINE_USERNAME: __token__
#          TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
#        
#        run: python -m twine upload wheelhouse/*