release.yml

name: Create Release

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

permissions:
  contents: write

jobs:
  release:
    name: Create GitHub Release
    runs-on: ubuntu-latest

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

      - name: Extract version from tag
        id: version
        run: |
          # Extract version number from tag (e.g., v1.0.3 -> 1.0.3)
          VERSION=${GITHUB_REF#refs/tags/v}
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "tag=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT

          # Check if this is a pre-release (contains -alpha, -beta, -rc, or -preview)
          if [[ "$VERSION" =~ -(alpha|beta|rc|preview) ]]; then
            echo "prerelease=true" >> $GITHUB_OUTPUT
          else
            echo "prerelease=false" >> $GITHUB_OUTPUT
          fi

      - name: Extract changelog for this version
        id: changelog
        run: |
          VERSION="${{ steps.version.outputs.version }}"

          # Extract changelog content between this version and the next version header
          # This preserves all markdown formatting including headers, bullets, and code blocks
          CHANGELOG_CONTENT=$(sed -n "/## \[$VERSION\]/,/## \[/p" CHANGELOG.md | sed '$d' | tail -n +2)

          if [ -z "$CHANGELOG_CONTENT" ]; then
            echo "ERROR: Version $VERSION not found in CHANGELOG.md"
            echo "Please update CHANGELOG.md before creating a release"
            exit 1
          fi

          # Save to file to handle multiline content properly
          echo "$CHANGELOG_CONTENT" > /tmp/changelog.txt

          # Extract the date from the version header for the title
          DATE=$(sed -n "s/^## \[$VERSION\] - \(.*\)$/\1/p" CHANGELOG.md)

          # Try to extract a short description from the first section
          # Look for the first bullet point or header after the version
          FIRST_LINE=$(echo "$CHANGELOG_CONTENT" | grep -E "^(- |### )" | head -n 1 | sed 's/^- \*\*\(.*\)\*\*:.*/\1/' | sed 's/^### //')

          if [ -n "$FIRST_LINE" ] && [ "$FIRST_LINE" != "Changed" ] && [ "$FIRST_LINE" != "Added" ] && [ "$FIRST_LINE" != "Fixed" ] && [ "$FIRST_LINE" != "Security" ] && [ "$FIRST_LINE" != "Documentation" ]; then
            echo "title=v$VERSION - $FIRST_LINE" >> $GITHUB_OUTPUT
          else
            echo "title=v$VERSION" >> $GITHUB_OUTPUT
          fi

      - name: Create GitHub Release
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          TITLE="${{ steps.changelog.outputs.title }}"
          TAG="${{ steps.version.outputs.tag }}"
          PRERELEASE="${{ steps.version.outputs.prerelease }}"

          # Create release with changelog content
          if [ "$PRERELEASE" = "true" ]; then
            gh release create "$TAG" \
              --title "$TITLE" \
              --notes-file /tmp/changelog.txt \
              --prerelease
          else
            gh release create "$TAG" \
              --title "$TITLE" \
              --notes-file /tmp/changelog.txt \
              --latest
          fi

          echo "✅ Successfully created GitHub Release: $TITLE"