name: Release

on:
  push:
    branches:
      - main
    paths:
      - 'package.json'
  workflow_dispatch:

jobs:
  check-version:
    runs-on: ubuntu-latest
    outputs:
      version-changed: ${{ steps.version-check.outputs.changed }}
      new-version: ${{ steps.version-check.outputs.version }}
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20.x'
          registry-url: 'https://registry.npmjs.org'
      
      - name: Check if version changed
        id: version-check
        run: |
          # Get current version from package.json
          CURRENT_VERSION=$(node -p "require('./package.json').version")
          PACKAGE_NAME=$(node -p "require('./package.json').name")
          
          echo "Package name: $PACKAGE_NAME"
          echo "Current version: $CURRENT_VERSION"
          
          # Get published version from npm
          NPM_VERSION=$(npm view $PACKAGE_NAME version 2>/dev/null || echo "0.0.0")
          echo "Published npm version: $NPM_VERSION"
          
          if [ "$CURRENT_VERSION" != "$NPM_VERSION" ]; then
            echo "changed=true" >> $GITHUB_OUTPUT
            echo "version=$CURRENT_VERSION" >> $GITHUB_OUTPUT
            echo "✅ Version changed from $NPM_VERSION (npm) to $CURRENT_VERSION (package.json)"
          else
            echo "changed=false" >> $GITHUB_OUTPUT
            echo "⏭️  Version unchanged - $CURRENT_VERSION is already published on npm"
          fi

  publish-npm:
    needs: check-version
    if: needs.check-version.outputs.version-changed == 'true'
    runs-on: ubuntu-latest
    permissions:
      id-token: write # Required for OIDC authentication
      contents: read  # Often needed for checkout
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20.x'
          registry-url: 'https://registry.npmjs.org'

      - name: Update npm to latest version for OIDC support
        run: npm install -g npm@latest
      
      - name: Install dependencies
        run: npm install
      
      - name: Build project
        run: npm run build
      
      - name: Run tests
        run: npm test
      
      - name: Publish to npm
        run: |
          VERSION="${{ needs.check-version.outputs.new-version }}"
          if [[ "$VERSION" =~ -beta\. ]] || [[ "$VERSION" =~ -alpha\. ]] || [[ "$VERSION" =~ -rc\. ]]; then
            echo "Publishing prerelease version $VERSION with 'beta' tag"
            npm publish --tag beta
          else
            echo "Publishing stable version $VERSION"
            npm publish
          fi
      
      - name: Publication Summary
        run: |
          echo "### NPM Publication :package:" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "- **Version:** ${{ needs.check-version.outputs.new-version }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Package:** homebridge-bond" >> $GITHUB_STEP_SUMMARY
          echo "- **NPM URL:** https://www.npmjs.com/package/homebridge-bond/v/${{ needs.check-version.outputs.new-version }}" >> $GITHUB_STEP_SUMMARY

  create-github-release:
    needs: [check-version, publish-npm]
    if: needs.check-version.outputs.version-changed == 'true'
    runs-on: ubuntu-latest
    permissions:
      contents: write
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      
      - name: Generate Release Notes
        id: release-notes
        run: |
          VERSION="${{ needs.check-version.outputs.new-version }}"
          
          # Get the previous tag
          PREVIOUS_TAG=$(git describe --abbrev=0 --tags $(git rev-list --tags --skip=1 --max-count=1) 2>/dev/null || echo "")
          
          # Generate changelog
          if [ -n "$PREVIOUS_TAG" ]; then
            echo "Generating changelog from $PREVIOUS_TAG to v$VERSION"
            CHANGELOG=$(git log $PREVIOUS_TAG..HEAD --pretty=format:"- %s (%h)" --no-merges)
          else
            echo "No previous tag found, using all commits"
            CHANGELOG=$(git log --pretty=format:"- %s (%h)" --no-merges)
          fi
          
          # Create release notes
          cat > release_notes.md << EOF
          ## What's Changed
          
          $CHANGELOG
          
          ## Installation
          
          \`\`\`bash
          npm install -g homebridge-bond@$VERSION
          \`\`\`
          
          ## Links
          
          - [NPM Package](https://www.npmjs.com/package/homebridge-bond/v/$VERSION)
          - [Changelog](https://github.com/aarons22/homebridge-bond/compare/$PREVIOUS_TAG...v$VERSION)
          EOF
      
      - name: Create GitHub Release
        uses: ncipollo/release-action@v1
        with:
          tag: v${{ needs.check-version.outputs.new-version }}
          name: v${{ needs.check-version.outputs.new-version }}
          bodyFile: release_notes.md
          draft: false
          prerelease: ${{ contains(needs.check-version.outputs.new-version, '-') }}
          token: ${{ secrets.GITHUB_TOKEN }}
      
      - name: Release Summary
        run: |
          echo "### GitHub Release Created :tada:" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "- **Version:** v${{ needs.check-version.outputs.new-version }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Tag:** v${{ needs.check-version.outputs.new-version }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Release URL:** https://github.com/aarons22/homebridge-bond/releases/tag/v${{ needs.check-version.outputs.new-version }}" >> $GITHUB_STEP_SUMMARY