openigtlink-rust 0.3.1

name: Release to crates.io

on:
  push:
    tags:
      - 'v*'  # Triggers on version tags like v0.3.0, v1.0.0

env:
  CARGO_TERM_COLOR: always

jobs:
  # Validate before publishing
  pre-publish:
    name: Pre-publish validation
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable

      - name: Cache cargo registry
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Check version matches tag
        run: |
          TAG_VERSION=${GITHUB_REF#refs/tags/v}
          CARGO_VERSION=$(grep '^version' Cargo.toml | head -1 | sed 's/.*"\(.*\)".*/\1/')
          echo "Tag version: $TAG_VERSION"
          echo "Cargo.toml version: $CARGO_VERSION"
          if [ "$TAG_VERSION" != "$CARGO_VERSION" ]; then
            echo "Error: Version mismatch!"
            exit 1
          fi

      - name: Run tests
        run: cargo test --all-features

      - name: Run clippy
        run: cargo clippy --all-features -- -D warnings

      - name: Check formatting
        run: cargo fmt -- --check

      - name: Dry-run publish
        run: cargo publish --dry-run

  # Publish to crates.io
  publish:
    name: Publish to crates.io
    needs: pre-publish
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable

      - name: Publish to crates.io
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
        run: cargo publish

  # Create GitHub Release
  create-release:
    name: Create GitHub Release
    needs: publish
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4

      - name: Extract version from tag
        id: version
        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT

      - name: Extract changelog
        id: changelog
        run: |
          VERSION=${{ steps.version.outputs.VERSION }}
          # Extract section between current version and previous version
          CHANGELOG=$(awk "/## \[$VERSION\]/,/## \[/" CHANGELOG.md | head -n -1 | tail -n +2)
          if [ -z "$CHANGELOG" ]; then
            CHANGELOG="See full changelog in CHANGELOG.md"
          fi
          echo "NOTES<<EOF" >> $GITHUB_OUTPUT
          echo "$CHANGELOG" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Create Release
        uses: softprops/action-gh-release@v1
        with:
          name: Release v${{ steps.version.outputs.VERSION }}
          body: |
            ## 🚀 Release v${{ steps.version.outputs.VERSION }}

            ${{ steps.changelog.outputs.NOTES }}

            ---

            ### 📦 Installation
            ```toml
            [dependencies]
            openigtlink-rust = "${{ steps.version.outputs.VERSION }}"
            ```

            ### 📚 Resources
            - [crates.io](https://crates.io/crates/openigtlink-rust/${{ steps.version.outputs.VERSION }})
            - [Documentation](https://docs.rs/openigtlink-rust/${{ steps.version.outputs.VERSION }})
            - [Changelog](https://github.com/${{ github.repository }}/blob/main/CHANGELOG.md)
          draft: false
          prerelease: ${{ contains(github.ref, 'alpha') || contains(github.ref, 'beta') || contains(github.ref, 'rc') }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  # Verify publication
  verify-publication:
    name: Verify crates.io publication
    needs: publish
    runs-on: ubuntu-latest
    steps:
      - name: Wait for crates.io propagation
        run: sleep 60

      - name: Extract version from tag
        id: version
        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable

      - name: Create test project
        run: |
          cargo init verify-test
          cd verify-test
          cargo add openigtlink-rust@${{ steps.version.outputs.VERSION }}
          cat >> src/main.rs << 'EOF'
          use openigtlink_rust::protocol::types::TransformMessage;
          fn main() {
              let _ = TransformMessage::identity();
              println!("✅ Successfully imported openigtlink-rust");
          }
          EOF
          cargo run