release.yml

name: Release Library
run-name: Release ${{ github.ref_name != github.event.repository.default_branch && 'snapshot ' || '' }}${{ github.ref_name }} by @${{ github.actor }}

on:
  workflow_dispatch:
    inputs:
      version_bump:
        description: 'Version bump type - only for main branch'
        required: true
        type: choice
        options:
          - patch
          - minor
          - major
        default: patch

permissions:
  contents: write
  packages: write

jobs:
  release:
    name: Build and Release
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0 # required to get all tags

      - name: Set up JDK 17
        uses: actions/setup-java@v5
        with:
          java-version: '17'
          distribution: 'temurin'
          cache: 'maven'

      - name: Configure Git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Determine version
        id: version
        env:
          DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
          CURRENT_BRANCH: ${{ github.ref_name }}
        run: |
          # Get the latest tag
          LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
          echo "Latest tag: $LATEST_TAG"

          # Remove 'v' prefix if present
          LATEST_VERSION=${LATEST_TAG#v}
          echo "Latest version: $LATEST_VERSION"

          # Parse version components
          IFS='.' read -r MAJOR MINOR PATCH <<< "$LATEST_VERSION"

          # Determine if we're on the default branch
          if [ "$CURRENT_BRANCH" = "$DEFAULT_BRANCH" ]; then
            if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
              BUMP_TYPE="${{ inputs.version_bump }}"
            else
              BUMP_TYPE="patch"
            fi

            case $BUMP_TYPE in
              major)
                MAJOR=$((MAJOR + 1))
                MINOR=0
                PATCH=0
                ;;
              minor)
                MINOR=$((MINOR + 1))
                PATCH=0
                ;;
              patch)
                PATCH=$((PATCH + 1))
                ;;
            esac

            NEW_VERSION="${MAJOR}.${MINOR}.${PATCH}"
            IS_RELEASE=true
          else
            # Snapshot build - increment patch and add -SNAPSHOT
            PATCH=$((PATCH + 1))
            NEW_VERSION="${MAJOR}.${MINOR}.${PATCH}-SNAPSHOT"
            IS_RELEASE=false
          fi

          echo "New version: $NEW_VERSION"
          echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
          echo "is_release=$IS_RELEASE" >> $GITHUB_OUTPUT
          echo "bump_type=${BUMP_TYPE:-none}" >> $GITHUB_OUTPUT

      - name: "Build and test (version: ${{ steps.version.outputs.version }})"
        env:
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          mvn clean verify -B -Drevision=$VERSION

      - name: Publish to GitHub Packages
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GITHUB_ACTOR: ${{ github.actor }}
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          mvn deploy -DskipTests -B -Drevision=$VERSION

      - name: Create and push tag (release only)
        env:
          VERSION: ${{ steps.version.outputs.version }}
        if: steps.version.outputs.is_release == 'true'
        run: |
          VERSION="${{ steps.version.outputs.version }}"
          git tag -a "v$VERSION" -m "Release version $VERSION"
          git push origin "v$VERSION"

      - name: Create GitHub Release (release only)
        if: steps.version.outputs.is_release == 'true'
        uses: ncipollo/release-action@b7eabc95ff50cbeeedec83973935c8f306dfcd0b # v1.20.0
        with:
          tag: v${{ steps.version.outputs.version }}
          name: Release ${{ steps.version.outputs.version }}
          body: |
            ## Release ${{ steps.version.outputs.version }}

            ### Changes
            This release was automatically generated.

            ### Maven Dependency
            ```xml
            <dependency>
              <groupId>net.airvantage</groupId>
              <artifactId>proxy-socket-core</artifactId>
              <version>${{ steps.version.outputs.version }}</version>
            </dependency>
            ```

            ### GitHub Packages
            To use this library from GitHub Packages, add the following repository to your `pom.xml`:
            ```xml
            <repositories>
              <repository>
                <id>github</id>
                <url>https://maven.pkg.github.com/${{ github.repository }}</url>
              </repository>
            </repositories>
            ```
          draft: false
          prerelease: false
          generateReleaseNotes: true

      - name: Summary
        env:
          VERSION: ${{ steps.version.outputs.version }}
        if: always()
        run: |
          echo "## Release Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "- **Version**: $VERSION" >> $GITHUB_STEP_SUMMARY
          echo "- **Branch**: ${{ github.ref_name }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Status**: ${{ job.status }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Repository**: https://github.com/${{ github.repository }}/packages" >> $GITHUB_STEP_SUMMARY