name: Update GALLERY.md

on:
  pull_request:
    branches:
      - main
    types: [closed]  # Trigger only when the PR is closed

permissions:
  contents: write

jobs:
  update-gallery:
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true  # Ensure it was merged, not just closed
    steps:
      - name: Check out repository code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: "3.11"

      - name: Install dependencies
        run: |
          pip install -e .

      - name: Run gallery script
        run: |
          python scripts/generate_gallery.py

      - name: Commit and push changes
        run: |
          git config user.name 'github-actions[bot]'
          git config user.email 'github-actions[bot]@users.noreply.github.com'
          git add GALLERY.md
          if [ -n "$(git status --porcelain)" ]; then
            git commit -m "Update GALLERY.md [skip ci]"
            git push
          else
            echo "No changes to commit."
          fi