WCAG MCP Server

name: Check for WCAG Updates

on:
  schedule:
    # Run weekly on Mondays at 9am UTC
    - cron: '0 9 * * 1'
  workflow_dispatch: # Allow manual triggers from GitHub UI

jobs:
  check-updates:
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: true
          token: ${{ secrets.GITHUB_TOKEN }}
          
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          cache: 'npm'
          
      - name: Check for W3C WCAG submodule updates
        id: check
        run: |
          cd data/wcag
          git fetch origin
          LOCAL=$(git rev-parse HEAD)
          REMOTE=$(git rev-parse origin/main)
          
          if [ "$LOCAL" != "$REMOTE" ]; then
            echo "updates=true" >> $GITHUB_OUTPUT
            echo "✅ WCAG updates available!"
            echo "Local:  $LOCAL"
            echo "Remote: $REMOTE"
          else
            echo "updates=false" >> $GITHUB_OUTPUT
            echo "✅ Already up to date"
          fi
          
      - name: Install dependencies
        if: steps.check.outputs.updates == 'true'
        run: npm ci
        
      - name: Update submodule and rebuild data
        if: steps.check.outputs.updates == 'true'
        run: |
          echo "Updating WCAG submodule..."
          cd data/wcag
          git checkout main
          git pull origin main
          cd ../..
          
          echo "Rebuilding WCAG data..."
          npm run build
          
      - name: Check for changes
        if: steps.check.outputs.updates == 'true'
        id: git-check
        run: |
          git diff --exit-code data/wcag.json || echo "changes=true" >> $GITHUB_OUTPUT
          
      - name: Create Pull Request
        if: steps.check.outputs.updates == 'true' && steps.git-check.outputs.changes == 'true'
        uses: peter-evans/create-pull-request@v6
        with:
          commit-message: 'chore: update WCAG data from W3C repository'
          title: '🔄 Update WCAG Data'
          body: |
            ## Automated WCAG Data Update
            
            This PR updates the WCAG data from the official W3C repository.
            
            ### Changes
            - Updated `data/wcag` submodule to latest commit
            - Rebuilt `data/wcag.json` with latest data
            - Parsed latest Understanding documentation
            
            ### What to Review
            - Check that the data looks correct
            - Verify any new success criteria are properly parsed
            - Ensure Understanding documentation is complete
            
            ---
            
            **This PR was automatically generated by the weekly WCAG update workflow.**
          branch: update-wcag-data
          delete-branch: true
          labels: |
            automated
            data-update
          
      - name: Summary
        if: steps.check.outputs.updates == 'true'
        run: |
          if [ "${{ steps.git-check.outputs.changes }}" == "true" ]; then
            echo "✅ Created PR with updated WCAG data"
          else
            echo "ℹ️ Submodule updated but no data changes detected"
          fi