name: Version Bump

on:
  workflow_dispatch:
    inputs:
      version-type:
        description: 'Version bump type'
        required: true
        type: choice
        options:
          - patch
          - minor
          - major
          - prerelease
      custom-version:
        description: 'Custom version (optional - overrides version-type)'
        required: false
        type: string

jobs:
  bump-version:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '14.x'
          registry-url: 'https://registry.npmjs.org'
      
      - name: Configure Git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
      
      - name: Get current version
        id: current-version
        run: |
          echo "version=$(node -p "require('./package.json').version")" >> $GITHUB_OUTPUT
      
      - name: Bump version
        id: bump-version
        run: |
          if [ -n "${{ github.event.inputs.custom-version }}" ]; then
            echo "Using custom version: ${{ github.event.inputs.custom-version }}"
            npm version ${{ github.event.inputs.custom-version }} --no-git-tag-version
            NEW_VERSION="${{ github.event.inputs.custom-version }}"
          else
            echo "Bumping version: ${{ github.event.inputs.version-type }}"
            npm version ${{ github.event.inputs.version-type }} --no-git-tag-version
            NEW_VERSION=$(node -p "require('./package.json').version")
          fi
          echo "new-version=$NEW_VERSION" >> $GITHUB_OUTPUT
          echo "branch-name=version-bump-v$NEW_VERSION" >> $GITHUB_OUTPUT
      
      - name: Create Pull Request
        id: create-pr
        uses: peter-evans/create-pull-request@v5
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: "chore: bump version to ${{ steps.bump-version.outputs.new-version }}"
          branch: ${{ steps.bump-version.outputs.branch-name }}
          delete-branch: true
          title: "chore: release v${{ steps.bump-version.outputs.new-version }}"
          body: |
            ## Version Bump
            
            This PR bumps the version from `${{ steps.current-version.outputs.version }}` to `${{ steps.bump-version.outputs.new-version }}`.
            
            ### Changes
            - Version bump: ${{ github.event.inputs.version-type }}${{ github.event.inputs.custom-version && ' (custom)' || '' }}
            
            ### Next Steps
            - Review and merge this PR
            - The release workflow will automatically:
              - Publish to npm
              - Create a GitHub release with release notes
            
            ---
            *Automated version bump created by GitHub Actions*
          labels: |
            release
            automated
      
      - name: PR Summary
        run: |
          echo "### Version Bump Summary :rocket:" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "- **Previous Version:** ${{ steps.current-version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
          echo "- **New Version:** ${{ steps.bump-version.outputs.new-version }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Pull Request:** #${{ steps.create-pr.outputs.pull-request-number }}" >> $GITHUB_STEP_SUMMARY
          echo "- **PR URL:** ${{ steps.create-pr.outputs.pull-request-url }}" >> $GITHUB_STEP_SUMMARY