publish.yml

name: Publish to PyPI

on:
  release:
    types: [published]
  push:
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      target:
        description: 'Publish target'
        required: true
        default: 'testpypi'
        type: choice
        options:
          - testpypi
          - pypi
      ref:
        description: 'Git ref to build from (tag like v0.1.6, or leave empty for default branch)'
        required: false
        type: string

# Prevent duplicate runs when release creates a tag
concurrency:
  group: publish-${{ github.ref }}
  cancel-in-progress: false

jobs:
  build:
    uses: ./.github/workflows/build-wheels.yml
    with:
      ref: ${{ inputs.ref || github.ref }}

  build_sdist:
    name: Build source distribution
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ inputs.ref || github.ref }}

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

      - name: Install build dependencies
        run: |
          python -m pip install --upgrade pip
          pip install "build>=1.0" setuptools-scm

      - name: Build sdist
        run: |
          python -m build --sdist
          # Verify sdist filename uses underscores (PEP 625)
          ls -la dist/
          if ls dist/cfd-python-*.tar.gz 1> /dev/null 2>&1; then
            echo "ERROR: sdist has hyphenated name, renaming..."
            for f in dist/cfd-python-*.tar.gz; do
              mv "$f" "${f/cfd-python/cfd_python}"
            done
          fi
          ls -la dist/

      - name: Upload sdist
        uses: actions/upload-artifact@v4
        with:
          name: sdist
          path: dist/*.tar.gz

  publish_testpypi:
    name: Publish to TestPyPI
    needs: [build, build_sdist]
    runs-on: ubuntu-latest
    if: github.event_name == 'workflow_dispatch' && github.event.inputs.target == 'testpypi'
    environment:
      name: testpypi
      url: https://test.pypi.org/p/cfd-python
    permissions:
      id-token: write
      contents: read

    steps:
      - name: Download wheels
        uses: actions/download-artifact@v4
        with:
          pattern: wheel-*
          path: dist
          merge-multiple: true

      - name: Download sdist
        uses: actions/download-artifact@v4
        with:
          name: sdist
          path: dist

      - name: Validate artifacts
        run: |
          echo "=== Artifacts ==="
          ls -la dist/
          WHEELS=$(ls dist/*.whl 2>/dev/null | wc -l)
          SDIST=$(ls dist/*.tar.gz 2>/dev/null | wc -l)
          echo "Found $WHEELS wheel(s) and $SDIST sdist(s)"
          if [ "$WHEELS" -lt 3 ]; then
            echo "ERROR: Expected at least 3 wheels (linux, macos, windows), found $WHEELS"
            exit 1
          fi
          if [ "$SDIST" -lt 1 ]; then
            echo "ERROR: Expected at least 1 sdist, found $SDIST"
            exit 1
          fi

      - name: Publish to TestPyPI
        uses: pypa/gh-action-pypi-publish@76f52bc884231f62b9a034ebfe128415bbaabdfc  # v1.12.4
        with:
          repository-url: https://test.pypi.org/legacy/
          skip-existing: true

  publish_pypi:
    name: Publish to PyPI
    needs: [build, build_sdist]
    runs-on: ubuntu-latest
    if: github.event_name == 'release' || (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')) || (github.event_name == 'workflow_dispatch' && github.event.inputs.target == 'pypi')
    environment:
      name: pypi
      url: https://pypi.org/p/cfd-python
    permissions:
      id-token: write
      contents: read

    steps:
      - name: Download wheels
        uses: actions/download-artifact@v4
        with:
          pattern: wheel-*
          path: dist
          merge-multiple: true

      - name: Download sdist
        uses: actions/download-artifact@v4
        with:
          name: sdist
          path: dist

      - name: Validate artifacts
        run: |
          echo "=== Artifacts ==="
          ls -la dist/
          WHEELS=$(ls dist/*.whl 2>/dev/null | wc -l)
          SDIST=$(ls dist/*.tar.gz 2>/dev/null | wc -l)
          echo "Found $WHEELS wheel(s) and $SDIST sdist(s)"
          if [ "$WHEELS" -lt 3 ]; then
            echo "ERROR: Expected at least 3 wheels (linux, macos, windows), found $WHEELS"
            exit 1
          fi
          if [ "$SDIST" -lt 1 ]; then
            echo "ERROR: Expected at least 1 sdist, found $SDIST"
            exit 1
          fi

      - name: Publish to PyPI
        uses: pypa/gh-action-pypi-publish@76f52bc884231f62b9a034ebfe128415bbaabdfc  # v1.12.4
        with:
          skip-existing: true