# Controls when the workflow will run
on:
  # Triggers the workflow on push events but only for the master branch
  push:
    branches: [ master ]
  release:
    types:
      - published
# Workflow to build and publish wheels.
#
# in the get_commit_message job: Include [wheel build] in your commit message to trigger the build.
name: PyPI wheels build

jobs:

  get_commit_message:
    name: Get commit message
    runs-on: ubuntu-latest
    outputs:
      message: ${{ steps.commit_message.outputs.message }}
    steps:
      - name: Checkout the repo
        uses: actions/checkout@v2
        # Gets the correct commit message for pull request
        with:
          ref: ${{ github.event.pull_request.head.sha }}
      - name: Get commit message
        id: commit_message
        run: |
          set -xe
          COMMIT_MSG=$(git log --no-merges -1 --oneline)
          echo "::set-output name=message::$COMMIT_MSG"


  build_linux_wheels:
    name: Build Linux wheels for different versions of CPython on manylinux_x86_64
    needs: get_commit_message
    if: >-
      contains(needs.get_commit_message.outputs.message, '[wheel build]') ||
      github.event_name == 'release'
    runs-on: ubuntu-latest
    strategy:
      matrix:
        manylinux_tag: [2010_x86_64, 2014_x86_64, 2_24_x86_64]

    steps:
      - name: Checkout the branch
        uses: actions/checkout@v2

      - name: Set up Python
        uses: actions/setup-python@v1
        with:
          python-version: '3.9'

      - name: Install build dependencies
        run: python -m pip install -U setuptools

      - name: Run SWIG to procude the wrapper code for Python
        run: |
          swig -python -py3 -o pytrexio_wrap.c pytrexio.i
          cp pytrexio.py ../pytrexio/
        working-directory: src

      - name: Build distribution tarball
        run: |
          python setup.py sdist
          mv ./dist/trexio-*.tar.gz .

      - name: Build manylinux wheels
        run: |
          docker pull ghcr.io/q-posev/hdf5_1_12_on_${{ matrix.manylinux_tag }}:latest
          docker run --rm --env PLAT=manylinux${{ matrix.manylinux_tag }} --volume `pwd`:/tmp --workdir /tmp ghcr.io/q-posev/hdf5_1_12_on_${{ matrix.manylinux_tag }} /bin/bash build_manylinux_wheels.sh trexio-*.tar.gz

      - name: Upload produced wheels as artifacts
        uses: actions/upload-artifact@v2
        with:
          name: pytrexio-manylinux-${{ matrix.manylinux_tag }}
          path: ./wheelhouse/*.whl

      # only upload the source code tarball once
      - name: Upload source code tarball as an artifact (only once)
        uses: actions/upload-artifact@v2
        with:
          name: pytrexio-source
          path: ./trexio-*.tar.gz
        if: ${{ matrix.manylinux_tag == '2014_x86_64' }}


  build_macos_wheels:
    name: Build MacOS wheels for different versions of CPython
    needs: get_commit_message
    if: >-
      contains(needs.get_commit_message.outputs.message, '[wheel build]') ||
      github.event_name == 'release'
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macos-11, macos-10.15]
        python-version: ['3.7', '3.8', '3.9', '3.10']
        #exclude:
        #  - os: macos-10.15
        #    python-version: '3.8'
    env:
        H5_LDFLAGS: '-L/usr/local/Cellar/hdf5/1.12.1/lib'
        H5_CFLAGS: '-I/usr/local/Cellar/hdf5/1.12.1/include'
    steps:
      - uses: actions/checkout@v2

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}

      - name: Display Python version
        run: python --version

      - name: Install build dependencies
        run: |
          brew install hdf5@1.12
          python -m pip install -U setuptools build delocate numpy

      # this step is needed to produce wheels with the correct platform tag
      - name: Set MACOSX_DEPLOYMENT_TARGET environment variable
        if: ${{ matrix.os == 'macos-11' }}
        # it is not possible to set ENV variables conditionally, so we improvise below
        run: echo "MACOSX_DEPLOYMENT_TARGET=11.0" >> $GITHUB_ENV

      - name: Run SWIG to procude the wrapper code for Python
        run: |
          swig -python -py3 -o pytrexio_wrap.c pytrexio.i
          cp pytrexio.py ../pytrexio/
        working-directory: src

      - name: Build wheel for a given version of CPython
        run: |
          source tools/set_NUMPY_INCLUDEDIR.sh
          python -m build --wheel --outdir ./
          delocate-wheel trexio-*.whl

      - name: Upload produced wheels as artifacts
        uses: actions/upload-artifact@v2
        with:
          name: pytrexio-${{ matrix.os }}
          path: ./*.whl


  publish_wheels:
    name: Publish all wheels on PyPI
    needs: [build_linux_wheels, build_macos_wheels]
    runs-on: ubuntu-latest

    steps:
      - name: Checkout the branch
        uses: actions/checkout@v2

      - name: Set up Python
        uses: actions/setup-python@v1
        with:
          python-version: '3.9'

      - name: Install build dependencies
        run: python -m pip install -U setuptools twine

      - name: Download the build artifacts
        uses: actions/download-artifact@v2
        with:
          path: dist
     # if name is not specified - all artifacts will be downloaded
     #    name: pytrexio-manylinux

      # the artifacts have to be in dist/ directory so that
      # pypa/gh-action-pypi-publish action can discover them
      - name: Display and rearrange the downloaded artifacts
        run: |
          ls -R
          mv pytrexio-manylinux-*/trexio-*.whl ./
          mv pytrexio-macos-*/trexio-*.whl ./
          mv pytrexio-source/trexio-*.tar.gz ./
          rm -rf -- pytrexio-manylinux/ pytrexio-macos/ pytrexio-source/
          ls -sh -w 1
        working-directory: dist

      #- name: Publish distribution 📦 to Test PyPI
      #  uses: pypa/gh-action-pypi-publish@master
      #  with:
      #    password: ${{ secrets.TEST_PYPI_API_TOKEN }}
      #    repository_url: https://test.pypi.org/legacy/
          #verbose: true

      #- name: Publish distribution 📦 to PyPI
      #  if: startsWith(github.ref, 'refs/tags')
      #  uses: pypa/gh-action-pypi-publish@master
      #  with:
      #    password: ${{ secrets.PYPI_API_TOKEN }}