c2pa-text-binding 0.2.0

name: Release

# Publishes the crate to crates.io, the wasm package to npm, and cuts a GitHub
# release. Triggered by pushing a semver tag (v0.2.0) or manually via dispatch.
#
# Required repository secrets:
#   CARGO_REGISTRY_TOKEN  crates.io API token (scope: publish-update)
#   NPM_TOKEN             npm automation token with publish rights
on:
  push:
    tags: ['v*']
  workflow_dispatch:
    inputs:
      tag:
        description: 'Tag to release (e.g. v0.2.0)'
        required: true

concurrency:
  group: release-${{ github.ref_name }}
  cancel-in-progress: false

permissions:
  contents: write
  id-token: write
  attestations: write

env:
  CARGO_TERM_COLOR: always

jobs:
  validate:
    name: Validate and gate
    runs-on: ubuntu-latest
    outputs:
      tag: ${{ steps.tag.outputs.tag }}
      version: ${{ steps.tag.outputs.version }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy
          targets: wasm32-unknown-unknown

      - name: Resolve and validate tag
        id: tag
        run: |
          TAG="${{ github.event.inputs.tag || github.ref_name }}"
          if [[ ! "$TAG" =~ ^v[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$ ]]; then
            echo "::error::invalid tag format: $TAG (expected vX.Y.Z)"; exit 1
          fi
          VERSION="${TAG#v}"
          echo "tag=$TAG" >> "$GITHUB_OUTPUT"
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"

      - name: Verify Cargo.toml version matches tag
        run: |
          CARGO_VERSION=$(grep -m1 '^version' Cargo.toml | sed -E 's/.*"([^"]+)".*/\1/')
          if [ "$CARGO_VERSION" != "${{ steps.tag.outputs.version }}" ]; then
            echo "::error::Cargo.toml version ($CARGO_VERSION) != tag (${{ steps.tag.outputs.version }})"
            exit 1
          fi

      - name: Format
        run: cargo fmt --all -- --check
      - name: Clippy
        run: cargo clippy --all-targets -- -D warnings
      - name: Clippy (Python bindings, check-only)
        run: cargo clippy --lib --features python -- -D warnings
      - name: Test (includes c2pa-rs round-trip conformance)
        run: cargo test
      - name: Verify wasm32 build
        run: cargo build --target wasm32-unknown-unknown

  crates-io:
    name: Publish to crates.io
    needs: validate
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - name: cargo publish
        run: cargo publish --token "$CARGO_REGISTRY_TOKEN"
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}

  npm:
    name: Publish wasm package to npm
    needs: validate
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: wasm32-unknown-unknown
      - uses: jetli/wasm-pack-action@v0.4.0
      - uses: actions/setup-node@v4
        with:
          node-version: '20'
          registry-url: 'https://registry.npmjs.org'

      - name: Build wasm package (c2pa-text-binding)
        run: wasm-pack build --release --target web --out-dir pkg

      - name: Publish to npm
        run: npm publish
        working-directory: pkg
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

      - name: Stage package tarball for the release
        run: |
          npm pack --pack-destination "$GITHUB_WORKSPACE" >/dev/null
        working-directory: pkg
      - uses: actions/upload-artifact@v4
        with:
          name: npm-package
          path: '*.tgz'

  pypi-wheels:
    name: Build wheel (${{ matrix.platform.runner }} ${{ matrix.platform.target }})
    needs: validate
    runs-on: ${{ matrix.platform.runner }}
    strategy:
      fail-fast: false
      matrix:
        platform:
          - { runner: ubuntu-latest, target: x86_64 }
          - { runner: ubuntu-latest, target: aarch64 }
          - { runner: macos-latest, target: aarch64 }
          - { runner: macos-13, target: x86_64 }
          - { runner: windows-latest, target: x64 }
    steps:
      - uses: actions/checkout@v4
      - name: Build wheel
        uses: PyO3/maturin-action@v1
        with:
          target: ${{ matrix.platform.target }}
          args: --release --out dist
          manylinux: auto
          sccache: 'true'
      - uses: actions/upload-artifact@v4
        with:
          name: wheels-${{ matrix.platform.runner }}-${{ matrix.platform.target }}
          path: dist/*.whl

  pypi-sdist:
    name: Build sdist
    needs: validate
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Build sdist
        uses: PyO3/maturin-action@v1
        with:
          command: sdist
          args: --out dist
      - uses: actions/upload-artifact@v4
        with:
          name: sdist
          path: dist/*.tar.gz

  pypi-publish:
    name: Publish to PyPI (trusted publishing)
    needs: [pypi-wheels, pypi-sdist]
    runs-on: ubuntu-latest
    environment: pypi
    permissions:
      id-token: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          pattern: wheels-*
          path: dist
          merge-multiple: true
      - uses: actions/download-artifact@v4
        with:
          name: sdist
          path: dist
      - name: Publish
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          packages-dir: dist

  github-release:
    name: Create GitHub release
    needs: [validate, crates-io, npm, pypi-publish]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - uses: actions/download-artifact@v4
        with:
          name: npm-package
          path: dist

      - name: Generate release notes
        id: notes
        uses: orhun/git-cliff-action@v4
        with:
          config: cliff.toml
          args: --latest --strip header
        env:
          OUTPUT: RELEASE_NOTES.md

      - name: Attest package provenance
        uses: actions/attest-build-provenance@v2
        with:
          subject-path: dist/*.tgz

      - name: Create release
        uses: softprops/action-gh-release@v2
        with:
          name: c2pa-text-binding ${{ needs.validate.outputs.tag }}
          tag_name: ${{ needs.validate.outputs.tag }}
          draft: false
          prerelease: ${{ contains(needs.validate.outputs.tag, '-') }}
          body_path: RELEASE_NOTES.md
          files: dist/*.tgz