name: Automatic Version Bump

on:
  push:
    branches:
      - main
  workflow_dispatch:
    inputs:
      version_type:
        description: 'Version bump type'
        required: true
        default: 'patch'
        type: choice
        options:
          - patch
          - minor
          - major

jobs:
  version-bump:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    
    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: '20'
          
      - name: Configure Git
        run: |
          git config --global user.name "GitHub Actions Bot"
          git config --global user.email "actions@github.com"

      - name: Determine version type
        id: version_type
        run: |
          if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
            echo "type=${{ github.event.inputs.version_type }}" >> $GITHUB_OUTPUT
          else
            # Auto-detect version type based on commit message
            COMMIT_MSG="${{ github.event.head_commit.message }}"
            if [[ "$COMMIT_MSG" == *"BREAKING CHANGE"* ]] || [[ "$COMMIT_MSG" == *"!"* ]]; then
              echo "type=major" >> $GITHUB_OUTPUT
            elif [[ "$COMMIT_MSG" == *"feat:"* ]] || [[ "$COMMIT_MSG" == *"feat("* ]]; then
              echo "type=minor" >> $GITHUB_OUTPUT
            else
              echo "type=patch" >> $GITHUB_OUTPUT
            fi
          fi

      - name: Bump Frontend Version
        id: frontend_version
        working-directory: ./frontend
        run: |
          npm version ${{ steps.version_type.outputs.type }} --no-git-tag-version
          NEW_VERSION=$(node -p "require('./package.json').version")
          echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
          
      - name: Bump Backend Version
        id: backend_version
        working-directory: ./backend
        run: |
          npm version ${{ steps.version_type.outputs.type }} --no-git-tag-version
          NEW_VERSION=$(node -p "require('./package.json').version")
          echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT

      - name: Update Frontend VersionInfo component
        run: |
          VERSION=${{ steps.frontend_version.outputs.version }}
          sed -i "s/const FRONTEND_VERSION = '[^']*'/const FRONTEND_VERSION = '$VERSION'/" frontend/src/components/admin/VersionInfo.tsx

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v5
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: "chore: bump version to ${{ steps.frontend_version.outputs.version }}"
          title: "chore: bump version to ${{ steps.frontend_version.outputs.version }}"
          body: |
            ## Version Bump
            
            This PR automatically bumps the version numbers:
            - Frontend: `${{ steps.frontend_version.outputs.version }}`
            - Backend: `${{ steps.backend_version.outputs.version }}`
            
            ### Version Type: ${{ steps.version_type.outputs.type }}
            
            ### Files Changed:
            - `frontend/package.json`
            - `backend/package.json`
            - `frontend/src/components/admin/VersionInfo.tsx`
            
            ---
            *This PR was automatically created by the version bump workflow.*
          branch: version-bump-${{ steps.frontend_version.outputs.version }}
          delete-branch: true
          labels: |
            version-bump
            automated