name: Publish to PyPI

on:
  release:
    types: [published]

permissions:
  id-token: write
  contents: read

jobs:
  publish:
    runs-on: ubuntu-latest
    environment: pypi
    steps:
      - uses: actions/checkout@v6

      - uses: astral-sh/setup-uv@v7

      - name: Verify release tag matches package version
        run: |
          tag="${{ github.event.release.tag_name }}"
          version="$(grep -m1 '^version = ' pyproject.toml | sed -E 's/^version = "([^"]+)"/\1/')"
          if [ "${tag#v}" != "$version" ]; then
            echo "Release tag '$tag' does not match pyproject.toml version '$version'" >&2
            exit 1
          fi
          echo "Release tag '$tag' matches package version '$version'"

      - name: Build package
        run: uv build

      - name: Publish to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1