release.yml

name: Release

on:
  push:
    tags:
      - 'v*.*.*'

permissions:
  contents: write

jobs:
  # First, trigger builds for all platforms
  build:
    uses: ./.github/workflows/ci.yml

  create-release:
    needs: build
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Verify tag format
      run: |
        if [[ ! "${{ github.ref_name }}" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
          echo "Error: Tag must be in format v*.*.* (e.g., v1.0.0)"
          exit 1
        fi

    - name: Extract version info
      id: version
      run: |
        VERSION="${{ github.ref_name }}"
        echo "version=${VERSION}" >> $GITHUB_OUTPUT
        echo "version_number=${VERSION#v}" >> $GITHUB_OUTPUT

    - name: Download all artifacts
      uses: actions/download-artifact@v4
      with:
        path: artifacts

    - name: Create artifact archives
      run: |
        cd artifacts
        for dir in */; do
          dirname="${dir%/}"
          tar -czf "${dirname}.tar.gz" -C "$dirname" .
          zip -r "${dirname}.zip" "$dirname"
        done
        cd ..

    - name: Generate release notes
      id: notes
      run: |
        # Get the previous tag
        PREV_TAG=$(git describe --tags --abbrev=0 ${{ github.ref_name }}^ 2>/dev/null || echo "")

        if [ -z "$PREV_TAG" ]; then
          echo "This is the first release"
          CHANGELOG=$(git log --pretty=format:"- %s (%h)" ${{ github.ref_name }})
        else
          echo "Changes since $PREV_TAG"
          CHANGELOG=$(git log --pretty=format:"- %s (%h)" ${PREV_TAG}..${{ github.ref_name }})
        fi

        # Save to file to handle multiline
        cat > release_notes.md << 'EOF'
        ## 📦 Release ${{ steps.version.outputs.version }}

        ### Changes in this release

        $CHANGELOG

        ### 📦 Pre-built Binaries

        Download the appropriate archive for your platform:

        - **Linux GCC 14**: `EntropyCore-Linux-gcc-14.tar.gz` / `.zip`
        - **macOS Universal**: `EntropyCore-macOS-universal.tar.gz` / `.zip` (Intel + Apple Silicon)
        - **Windows x64**: `EntropyCore-Windows-x64.tar.gz` / `.zip`

        Each archive contains:
        - **lib/**: Static library (`libEntropyCore.a` or `EntropyCore.lib`)
        - **include/**: All C++ and C headers
        - **lib/cmake/EntropyCore/**: CMake config files

        Extract and use in your project:
        ```cmake
        find_package(EntropyCore REQUIRED PATHS /path/to/extracted/lib/cmake/EntropyCore)
        target_link_libraries(YourTarget PRIVATE EntropyCore::Core)
        ```

        ### 🔧 Building from Source

        ```bash
        # Clone the repository
        git clone https://github.com/${{ github.repository }}.git
        cd EntropyCore
        git checkout ${{ github.ref_name }}

        # Basic build (minimal dependencies)
        cmake -B build -S .
        cmake --build build

        # With Tracy profiler
        cmake -B build -S . -DENTROPY_WITH_TRACY=ON -DVCPKG_MANIFEST_FEATURES=tracy

        # With tests
        cmake -B build -S . -DENTROPY_BUILD_TESTS=ON -DVCPKG_MANIFEST_FEATURES=tests
        ```

        ### 📚 Documentation

        See [README.md](https://github.com/${{ github.repository }}/blob/${{ github.ref_name }}/README.md) for complete documentation.

        ### 🐛 Reporting Issues

        Found a bug? [Open an issue](https://github.com/${{ github.repository }}/issues/new)
        EOF

    - name: Create Release
      uses: softprops/action-gh-release@v2
      with:
        name: "Release ${{ steps.version.outputs.version }}"
        body_path: release_notes.md
        files: |
          artifacts/*.tar.gz
          artifacts/*.zip
        draft: false
        prerelease: false
        make_latest: true
        generate_release_notes: true

    - name: Announce release
      run: |
        echo "✅ Release ${{ steps.version.outputs.version }} created successfully!"
        echo "🔗 View at: https://github.com/${{ github.repository }}/releases/tag/${{ github.ref_name }}"