name: Merge and Distribute Samples

on:
  push:
    branches:
      - main
    paths:
      - 'samples/**'
  pull_request:
    branches:
      - main
    types: [closed]

jobs:
  process_samples:
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true || github.event_name == 'push'
    steps:
      - name: Checkout main branch
        uses: actions/checkout@v3
        with:
          ref: 'main'

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: '16'

      - name: Merge samples
        run: node .github/scripts/merge-samples/index.js

      - name: Commit merged samples.json on main
        run: |
          git config --global user.email "action@github.com"
          git config --global user.name "GitHub Action"
          git add -A
          git diff --staged --quiet || git commit -m "Automated samples.json update"
          git push

      - name: Checkout Docs branch
        uses: actions/checkout@v3
        with:
          ref: 'Docs'
          path: 'docs-branch'

      - name: Copy samples.json to Docs branch
        run: |
          cp .metadata/samples.json docs-branch/docs/samples.json
          cd docs-branch
          git add -A
          git diff --staged --quiet || git commit -m "Update samples.json in Docs branch"
          git push

      - name: Checkout gh-pages branch
        uses: actions/checkout@v3
        with:
          ref: 'gh-pages'
          path: 'gh-pages-branch'

      - name: Copy samples.json to gh-pages branch
        run: |
          cp .metadata/samples.json gh-pages-branch/samples.json
          cd gh-pages-branch
          git add -A
          git diff --staged --quiet || git commit -m "Update samples.json in gh-pages branch"
          git push