name: Version and Publish

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
    types: [closed]

jobs:
  version-and-publish:
    if: github.event_name == 'push' || (github.event.pull_request.merged == true && (contains(github.event.pull_request.head.ref, 'version/major') || contains(github.event.pull_request.head.ref, 'version/minor') || contains(github.event.pull_request.head.ref, 'version/patch')))
    runs-on: ubuntu-latest
    outputs:
      new-version: ${{ steps.version-bump.outputs.new-version }}
      current-version: ${{ steps.version-bump.outputs.current-version }}
      version-type: ${{ steps.version-type.outputs.type }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          registry-url: 'https://registry.npmjs.org'

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 8

      - name: Get pnpm store directory
        shell: bash
        run: echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV

      - name: Setup pnpm cache
        uses: actions/cache@v4
        with:
          path: ${{ env.STORE_PATH }}
          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
          restore-keys: |
            ${{ runner.os }}-pnpm-store-

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Run tests
        run: pnpm test

      - name: Run build
        run: pnpm build

      - name: Determine version bump type
        id: version-type
        run: |
          if [[ "${{ github.event.pull_request.head.ref }}" =~ version/major ]]; then
            echo "type=major" >> $GITHUB_OUTPUT
          elif [[ "${{ github.event.pull_request.head.ref }}" =~ version/minor ]]; then
            echo "type=minor" >> $GITHUB_OUTPUT
          elif [[ "${{ github.event.pull_request.head.ref }}" =~ version/patch ]]; then
            echo "type=patch" >> $GITHUB_OUTPUT
          elif [[ "${{ github.event_name }}" == "push" ]]; then
            # Default to patch for direct pushes to main
            echo "type=patch" >> $GITHUB_OUTPUT
          else
            echo "type=none" >> $GITHUB_OUTPUT
          fi

      - name: Configure git
        if: steps.version-type.outputs.type != 'none'
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"

      - name: Install Claude Code CLI
        if: steps.version-type.outputs.type != 'none'
        run: |
          curl -fsSL https://claude.ai/cli/install.sh | bash
          echo "$HOME/.claude/bin" >> $GITHUB_PATH

      - name: Generate changelog with Claude
        if: steps.version-type.outputs.type != 'none'
        id: changelog
        run: |
          # Get commits since last tag
          LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -z "$LAST_TAG" ]; then
            COMMITS=$(git log --oneline --no-merges --since="1 week ago")
          else
            COMMITS=$(git log --oneline --no-merges ${LAST_TAG}..HEAD)
          fi

          # Generate changelog using Claude
          CHANGELOG=$(claude-code << EOF
          Please analyze the following git commits and generate a concise changelog in this exact format:

          ## Changes

          ### 🚀 Features
          - Brief description of new features

          ### 🐛 Bug Fixes
          - Brief description of bug fixes

          ### 🔧 Improvements
          - Brief description of improvements/refactoring

          ### 📚 Documentation
          - Brief description of documentation changes

          ### ⚡ Performance
          - Brief description of performance improvements

          Only include sections that have actual changes. Keep each bullet point concise and user-focused.

          Git commits to analyze:
          $COMMITS
          EOF
          )

          # Save changelog to output
          echo "changelog<<EOF" >> $GITHUB_OUTPUT
          echo "$CHANGELOG" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Version bump
        if: steps.version-type.outputs.type != 'none'
        id: version-bump
        run: |
          # Get current version
          CURRENT_VERSION=$(node -p "require('./package.json').version")
          echo "current-version=$CURRENT_VERSION" >> $GITHUB_OUTPUT

          # Bump version (npm is used for version command as pnpm doesn't have equivalent)
          npm version ${{ steps.version-type.outputs.type }} --no-git-tag-version

          # Get new version
          NEW_VERSION=$(node -p "require('./package.json').version")
          echo "new-version=$NEW_VERSION" >> $GITHUB_OUTPUT

          # Create commit with changelog
          git add package.json
          # Add lockfile if it exists (npm version might create package-lock.json)
          if [ -f package-lock.json ]; then
            git add package-lock.json
          fi
          if [ -f pnpm-lock.yaml ]; then
            git add pnpm-lock.yaml
          fi
          git commit -m "chore: bump version to v$NEW_VERSION

          ${{ steps.changelog.outputs.changelog }}"

          # Create git tag
          git tag -a "v$NEW_VERSION" -m "Version $NEW_VERSION

          ${{ steps.changelog.outputs.changelog }}"

          echo "Version bumped from $CURRENT_VERSION to $NEW_VERSION"

      - name: Push version changes
        if: steps.version-type.outputs.type != 'none'
        run: |
          git push origin main
          git push origin --tags

      - name: Publish to NPM
        if: steps.version-type.outputs.type != 'none'
        run: pnpm publish --access public --no-git-checks
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

      - name: Create GitHub Release
        if: steps.version-type.outputs.type != 'none'
        run: |
          gh release create "v${{ steps.version-bump.outputs.new-version }}" \
            --title "Release v${{ steps.version-bump.outputs.new-version }}" \
            --notes "# Release v${{ steps.version-bump.outputs.new-version }}

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

          ---

          **Version Info**: ${{ steps.version-type.outputs.type }} release (v${{ steps.version-bump.outputs.current-version }} → v${{ steps.version-bump.outputs.new-version }})

          ### Installation

          \`\`\`bash
          npm install @xtr-dev/payload-mailing@${{ steps.version-bump.outputs.new-version }}
          \`\`\`

          ### Documentation

          See the [README](https://github.com/xtr-dev/payload-mailing#readme) for usage instructions and full documentation."
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  notify-success:
    if: github.event_name == 'push' || (github.event.pull_request.merged == true && (contains(github.event.pull_request.head.ref, 'version/major') || contains(github.event.pull_request.head.ref, 'version/minor') || contains(github.event.pull_request.head.ref, 'version/patch')))
    needs: version-and-publish
    runs-on: ubuntu-latest
    steps:
      - name: Success notification
        if: needs.version-and-publish.outputs.new-version != ''
        run: |
          echo "🎉 Successfully published version ${{ needs.version-and-publish.outputs.new-version }} to NPM!"
          echo "📦 Package: https://www.npmjs.com/package/@xtr-dev/payload-mailing"
          echo "🏷️  GitHub Release: https://github.com/xtr-dev/payload-mailing/releases/tag/v${{ needs.version-and-publish.outputs.new-version }}"
          echo "🔄 Version Type: ${{ needs.version-and-publish.outputs.version-type }}"
          echo "📈 Version Change: v${{ needs.version-and-publish.outputs.current-version }} → v${{ needs.version-and-publish.outputs.new-version }}"