# Workflow to build and test wheels.
name: Wheel builder

on: 
  workflow_dispatch:
  pull_request:
  push:
    branches:
      - main
    tags:
      - v**
  release:
    types:
      - published


concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

permissions:
  contents: read # to fetch code (actions/checkout)

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}-manylinux2014

jobs:
  build-custom-manylinux:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Get changed Dockerfile
        id: changed-files-specific
        uses: tj-actions/changed-files@v37
        with:
          files: |
            Dockerfile-manylinux

      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        if: steps.changed-files-specific.outputs.any_changed == 'true'
        id: meta
        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push Docker image
        if: steps.changed-files-specific.outputs.any_changed == 'true'
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ./Dockerfile-manylinux
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

  build_wheels:
    name: Build wheel for ${{ matrix.python }}-${{ matrix.buildplat[1] }}
    needs: build-custom-manylinux
    runs-on: ${{ matrix.buildplat[0] }}
    strategy:
      # Ensure that a wheel builder finishes even if another fails
      fail-fast: false
      matrix:
        # Github Actions doesn't support pairing matrix values together, let's improvise
        # https://github.com/github/feedback/discussions/7835#discussioncomment-1769026
        buildplat:
          - [ubuntu-20.04, manylinux_x86_64]
            #- [ubuntu-20.04, musllinux_x86_64]
            #- [macos-12, macosx_x86_64]
            #- [windows-2019, win_amd64]
        python: ["cp39", "cp310", "cp311", "cp312"]  # "pp39"
        exclude:
          # Don't build PyPy 32-bit windows
          - buildplat: [windows-2019, win32]
            python: "pp39"
          - buildplat: [ ubuntu-20.04, musllinux_x86_64 ]
            python: "pp39"
    steps:
      - name: Checkout Coriolis
        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
        with:
          submodules: true
          # https://github.com/actions/checkout/issues/338
          fetch-depth: 0

      - name: pkg-config-for-win
        run: |
          choco install -y --checksum 6004DF17818F5A6DBF19CB335CC92702 pkgconfiglite
        if: runner.os == 'windows'

      # Used to push the built wheels
      - uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1 # v4.7.0
        with:
          python-version: "3.x"

      - name: ccache
        uses: hendrikmuhs/ccache-action@v1.2
        with:
          key: ${{ matrix.python }}-${{ matrix.buildplat[1] }}

      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build wheels
        uses: pypa/cibuildwheel@66b46d086804a9e9782354100d96a3a445431bca # v2.14.0
        env:
          CIBW_PRERELEASE_PYTHONS: True
          CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}
          CIBW_ENVIRONMENT: USE_CCACHE=1 CCACHE_DIR=/.ccache
          CIBW_CONTAINER_ENGINE: "docker; create_args: '--volume=${{ github.workspace  }}/.ccache:/.ccache'"
          # overriede before-all in pyproject.toml
          CIBW_BEFORE_ALL: ""
          CIBW_MANYLINUX_X86_64_IMAGE: ghcr.io/chipflow/coriolis-manylinux2014:${{ github.ref_name }}

      - uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
        with:
          name: ${{ matrix.python }}-${{ startsWith(matrix.buildplat[1], 'macosx') && 'macosx' || matrix.buildplat[1] }}
          path: ./wheelhouse/*.whl

  test_upload_pypi:
    # TODO: create an sdist that can build without a custom environment
    needs: [build_wheels] 
    runs-on: ubuntu-latest
    strategy:
      matrix:
        buildplat:
          - [ubuntu-20.04, manylinux_x86_64]
            #- [ubuntu-20.04, musllinux_x86_64]
            #- [macos-12, macosx_x86_64]
            #- [windows-2019, win_amd64]
        python: ["cp39", "cp310", "cp311", "cp312"]  # "pp39"
        exclude:
          # Don't build PyPy 32-bit windows
          - buildplat: [windows-2019, win32]
            python: "pp39"
          - buildplat: [ ubuntu-20.04, musllinux_x86_64 ]
            python: "pp39"
 
    environment: pypi
    permissions:
      id-token: write
    steps:
      - uses: actions/download-artifact@v3
        with:
          name: ${{ matrix.python }}-${{ startsWith(matrix.buildplat[1], 'macosx') && 'macosx' || matrix.buildplat[1] }}
          path: dist

      - uses: pypa/gh-action-pypi-publish@f8c70e705ffc13c3b4d1221169b84f12a75d6ca8 #v1.8.8
        with:
          password: ${{ secrets.TEST_PYPI_API_TOKEN }}
          repository_url: https://test.pypi.org/legacy/

  upload_pypi:
    # TODO: create an sdist that can build without a custom environment
    if: github.event_name == 'release'
    needs: [build_wheels] 
    runs-on: ubuntu-latest
    strategy:
      matrix:
        buildplat:
          - [ubuntu-20.04, manylinux_x86_64]
            #- [ubuntu-20.04, musllinux_x86_64]
            #- [macos-12, macosx_x86_64]
            #- [windows-2019, win_amd64]
        python: ["cp39", "cp310", "cp311", "cp312"]  # "pp39"
        exclude:
          # Don't build PyPy 32-bit windows
          - buildplat: [windows-2019, win32]
            python: "pp39"
          - buildplat: [ ubuntu-20.04, musllinux_x86_64 ]
            python: "pp39"
 
    environment: pypi
    permissions:
      id-token: write
    steps:
      - uses: actions/download-artifact@v3
        with:
          name: ${{ matrix.python }}-${{ startsWith(matrix.buildplat[1], 'macosx') && 'macosx' || matrix.buildplat[1] }}
          path: dist

      - uses: pypa/gh-action-pypi-publish@release/v1
        with:
          password: ${{ secrets.PYPI_API_TOKEN }}

#  build_sdist:
#    name: Build sdist
#    runs-on: ubuntu-latest
#    steps:
#      - name: Checkout Coriolis
#        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
#        with:
#          submodules: true
#          fetch-depth: 0
#      # Used to push the built wheels
#      - uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1 # v4.7.0
#        with:
#          # Build sdist on lowest supported Python
#          python-version: "3.9"
#      - name: Build sdist
#        run: |
#          python -m pip install build
#          python -m build -s
#      - name: Test the sdist
#        run: |
#          # TODO: Don't run test suite, and instead build wheels from sdist
#          # Depends on pypa/cibuildwheel#1020
#          python -m pip install dist/*.gz
#          #cd .. # Can't import numpy within numpy src directory
#          #python -c "import numpy, sys; print(numpy.__version__); sys.exit(numpy.test() is False)"
#
#      - name: Check README rendering for PyPI
#        run: |
#          python -mpip install twine
#          twine check dist/*
#
#      - uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
#        with:
#          name: sdist
#          path: ./dist/*
#