name: CI

on:
  push:
    branches:
      - main
  pull_request:

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

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-python@v6
        with:
          python-version: 3.x
      - uses: pre-commit/action@v3.0.1

  # Make sure commit messages follow the conventional commits convention:
  # https://www.conventionalcommits.org
  commitlint:
    name: Lint Commit Messages
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
        with:
          fetch-depth: 0
      - uses: wagoid/commitlint-github-action@v6.2.1

  benchmarks:
    name: Run benchmarks
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-python@v6
        with:
          python-version: "3.13"
      - uses: snok/install-poetry@v1.4.1
      - name: Install Dependencies
        run: |
          REQUIRED_CYTHON=1 poetry install --only=main,dev
        shell: bash
      - name: Run benchmarks
        uses: CodSpeedHQ/action@v4
        with:
          token: ${{ secrets.CODSPEED_TOKEN }}
          run: poetry run pytest tests/benchmarks --codspeed
          mode: instrumentation

  test:
    strategy:
      fail-fast: false
      matrix:
        python-version:
          - "3.13"
          - "3.14"
          - "3.14t"
        os:
          - ubuntu-latest
        extension:
          - "skip_cython"
          - "use_cython"
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-python@v6
        id: setup-python
        with:
          python-version: ${{ matrix.python-version }}
          allow-prereleases: true
      - uses: snok/install-poetry@v1.4.1
      - name: Install Dependencies
        run: |
          if [ "${{ matrix.extension }}" = "skip_cython" ]; then
            SKIP_CYTHON=1 poetry install --only=main,dev
          else
            REQUIRE_CYTHON=1 poetry install --only=main,dev
          fi
        shell: bash
      - run: poetry run pytest
        shell: bash
      - uses: codecov/codecov-action@v5
        with:
          token: ${{ secrets.CODECOV_TOKEN }}

  release:
    needs:
      - test
      - lint
      - commitlint

    runs-on: ubuntu-latest
    environment: release
    concurrency: release
    permissions:
      id-token: write
      attestations: write
      contents: write

    outputs:
      released: ${{ steps.release.outputs.released }}
      newest_release_tag: ${{ steps.release.outputs.tag }}

    steps:
      - uses: actions/checkout@v5
        with:
          fetch-depth: 0
          ref: ${{ github.sha }}

      - name: Checkout commit for release
        run: |
          git checkout -B ${{ github.ref_name }} ${{ github.sha }}

      # Do a dry run of PSR
      - name: Test release
        uses: python-semantic-release/python-semantic-release@v10
        if: github.ref_name != 'main'
        with:
          no_operation_mode: true
          github_token: noop

      # On main branch: actual PSR + upload to PyPI & GitHub
      - name: Release
        uses: python-semantic-release/python-semantic-release@v10
        id: release
        if: github.ref_name == 'main'
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}

      - name: Attest build provenance
        uses: actions/attest-build-provenance@v3
        if: steps.release.outputs.released == 'true'
        with:
          subject-path: "dist/*"

      - name: Publish package distributions to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        if: steps.release.outputs.released == 'true'

      - name: Publish package distributions to GitHub Releases
        uses: python-semantic-release/publish-action@v10
        if: steps.release.outputs.released == 'true'
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          tag: ${{ steps.release.outputs.tag }}

  build_wheels:
    needs: [release]
    if: needs.release.outputs.released == 'true'
    name: Wheels for ${{ matrix.os }} (${{ matrix.musl == 'musllinux' && 'musllinux' || 'manylinux' }}) ${{ matrix.qemu }} ${{ matrix.pyver }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os:
          [
            windows-latest,
            ubuntu-24.04-arm,
            ubuntu-latest,
            macos-13,
            macos-latest,
          ]
        qemu: [""]
        musl: [""]
        pyver: [""]
        include:
          - os: ubuntu-latest
            musl: "musllinux"
          - os: ubuntu-24.04-arm
            musl: "musllinux"
          # qemu is slow, make a single
          # runner per Python version
          - os: ubuntu-latest
            qemu: armv7l
            musl: "musllinux"
            pyver: cp313
          - os: ubuntu-latest
            qemu: armv7l
            musl: ""
            pyver: cp313
          - os: ubuntu-latest
            qemu: armv7l
            musl: "musllinux"
            pyver: cp314
          - os: ubuntu-latest
            qemu: armv7l
            musl: ""
            pyver: cp314
          - os: ubuntu-latest
            qemu: armv7l
            musl: "musllinux"
            pyver: cp314t
          - os: ubuntu-latest
            qemu: armv7l
            musl: ""
            pyver: cp314t
    steps:
      - uses: actions/checkout@v5
        with:
          ref: ${{ needs.release.outputs.newest_release_tag }}
          fetch-depth: 0
      # Used to host cibuildwheel
      - name: Set up Python
        uses: actions/setup-python@v6
        with:
          python-version: "3.12"
      - name: Set up QEMU
        if: ${{ matrix.qemu }}
        uses: docker/setup-qemu-action@v3
        with:
          platforms: all
          # This should be temporary
          # xref https://github.com/docker/setup-qemu-action/issues/188
          # xref https://github.com/tonistiigi/binfmt/issues/215
          image: tonistiigi/binfmt:qemu-v8.1.5
        id: qemu
      - name: Prepare emulation
        if: ${{ matrix.qemu }}
        run: |
          if [[ -n "${{ matrix.qemu }}" ]]; then
            # Build emulated architectures only if QEMU is set,
            # use default "auto" otherwise
            echo "CIBW_ARCHS_LINUX=${{ matrix.qemu }}" >> $GITHUB_ENV
          fi
      - name: Limit to a specific Python version on slow QEMU
        if: ${{ matrix.pyver }}
        run: |
          if [[ -n "${{ matrix.pyver }}" ]]; then
            echo "CIBW_BUILD=${{ matrix.pyver }}*" >> $GITHUB_ENV
          fi
      - name: Build wheels
        uses: pypa/cibuildwheel@v3.2.0
        env:
          CIBW_SKIP: cp36-* cp37-* cp38-* cp39-* cp310-* cp311-* cp312-* pp* ${{ matrix.musl == 'musllinux' && '*manylinux*' || '*musllinux*' }}
          REQUIRE_CYTHON: 1

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

  upload_pypi:
    needs: [build_wheels]
    runs-on: ubuntu-latest
    environment: release
    permissions:
      id-token: write # IMPORTANT: this permission is mandatory for trusted publishing

    steps:
      - uses: actions/download-artifact@v5
        with:
          # unpacks default artifact into dist/
          # if `name: artifact` is omitted, the action will create extra parent dir
          path: dist
          pattern: wheels-*
          merge-multiple: true

      - uses:
          pypa/gh-action-pypi-publish@v1.13.0

          # To test: repository_url: https://test.pypi.org/legacy/
