name: Update Copyright Year

on:
  schedule:
    # Run on January 1st at 00:00 UTC every year
    - cron: "0 0 1 1 *"
  workflow_dispatch:

jobs:
  update-year:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          persist-credentials: true

      - name: Get current year
        id: year
        run: |
          YEAR=$(date +%Y)
          echo "year=$YEAR" >> $GITHUB_OUTPUT
          echo "Current year: $YEAR"

      - name: Update LICENSE file
        run: |
          YEAR="${{ steps.year.outputs.year }}"
          sed -i "s/Copyright (c) [0-9]\{4\}/Copyright (c) $YEAR/" LICENSE
          echo "Updated LICENSE file (if needed)"

      - name: Update Footer component (if present)
        run: |
          YEAR="${{ steps.year.outputs.year }}"
          TARGET=""
          if [ -f src/components/Footer.jsx ]; then
            TARGET="src/components/Footer.jsx"
          elif [ -f src/components/Footer.tsx ]; then
            TARGET="src/components/Footer.tsx"
          fi

          if [ -n "$TARGET" ]; then
            sed -i "s/\\(Round-Table Scheduler © \\)[0-9]\\{4\\}/\\1$YEAR/" "$TARGET"
            echo "Updated $TARGET file"
          else
            echo "Footer component not found; skipping footer update"
          fi

      - name: Check for changes
        id: changes
        run: |
          if git diff --quiet; then
            echo "changed=false" >> $GITHUB_OUTPUT
            echo "No changes detected"
          else
            echo "changed=true" >> $GITHUB_OUTPUT
            echo "Changes detected:"
            git status --short
          fi

      - name: Commit and push changes
        if: steps.changes.outputs.changed == 'true'
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git add LICENSE src/components/Footer.jsx src/components/Footer.tsx 2>/dev/null || true
          git commit -m "chore: update copyright year to ${{ steps.year.outputs.year }}"
          git push