name: Deploy Previews

on:
  pull_request:
    branches:
      - main

jobs:
  deploy:
    strategy:
      matrix:
        env: [dev, stage, prod]
    steps:
      # ... steps to deploy preview envionment ...

      # Create a comment with an empty table
      - uses: htunnicliff/replace-comment-html@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          selector: "#preview-links"
          mode: create-only # This will create the table if it doesn't exist
          html: |
            <table id="preview-links">
              <thead>
                <tr>
                  <th>Environment</th>
                  <th>Preview Link</th>
                </tr>
              </thead>
              <tbody>
              </tbody>
            </table>

      # Add a row for the deployed environment
      - uses: htunnicliff/replace-comment-html@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          parent-selector: "#preview-links tbody" # Append this row to the <tbody>
          selector: "tr#preview-link-${{ matrix.env }}"
          mode: upsert # This will update the row if it exists, or create it if it doesn't
          html: |
            <tr id="preview-link-${{ matrix.env }}">
              <td>${{ matrix.env }}</td>
              <td>
                <a href="https://preview-${{ matrix.env }}.example.com">Preview</a>
              </td>
            </tr>

      # ...