name: Weekly Font Version Check

on:
  schedule:
    # Run weekly on Mondays at 16:00 UTC
    - cron: '0 16 * * 1'
  workflow_dispatch: # Allow manual triggering

jobs:
  check-versions:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      actions: write
    outputs:
      has-updates: ${{ steps.version-check.outputs.has-updates }}
      updated-fonts: ${{ steps.version-check.outputs.updated-fonts }}
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'
      
      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: latest
      
      - name: Install dependencies
        run: pnpm install
      
      - name: Check font versions
        id: version-check
        env:
          GITHUB_TOKEN: ${{ secrets.PERSONAL_TOKEN }}
        run: |
          # Build TypeScript first
          pnpm run build
          # Run version check using CLI
          pnpm run cli:check
      
      - name: Update version cache
        if: steps.version-check.outputs.has-updates == 'true'
        env:
          GITHUB_TOKEN: ${{ secrets.PERSONAL_TOKEN }}
        run: |
          # Commit version cache to a dedicated cache branch for persistence
          git config --global user.name 'github-actions[bot]'
          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
          
          # Create/checkout orphan cache branch (clean branch with only cache file)
          git fetch origin cache || true
          git checkout cache 2>/dev/null || git checkout --orphan cache
          git pull origin cache || true
          
          # Clear everything except our cache file
          git rm -rf . 2>/dev/null || true
          
          # Copy the updated cache file
          cp .version-cache.json version-cache.json
          
          # Commit and push the single cache file
          git add version-cache.json
          if git diff --staged --quiet; then
            echo "No cache changes to commit"
          else
            git commit -m "Update font version cache - $(date)"
            git push origin cache
            echo "✅ Version cache committed to cache branch"
          fi

  trigger-build:
    needs: check-versions
    if: needs.check-versions.outputs.has-updates == 'true'
    runs-on: ubuntu-latest
    permissions:
      actions: write
      contents: read
    
    steps:
      - name: Trigger font build workflow
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.PERSONAL_TOKEN }}
          script: |
            github.rest.actions.createWorkflowDispatch({
              owner: context.repo.owner,
              repo: context.repo.repo,
              workflow_id: 'build-fonts.yml',
              ref: 'main',
              inputs: {
                'updated-fonts': '${{ needs.check-versions.outputs.updated-fonts }}'
              }
            });
      
      - name: Notify build triggered
        run: |
          echo "✅ Font build workflow triggered for fonts: ${{ needs.check-versions.outputs.updated-fonts }}"