name: Dependabot Auto Merge

on:
  pull_request_target:
    types:
      - opened
      - reopened
      - synchronize
      - ready_for_review

permissions:
  contents: write
  pull-requests: write

jobs:
  auto-merge:
    if: github.event.pull_request.user.login == 'dependabot[bot]' && !github.event.pull_request.draft
    runs-on: ubuntu-latest
    steps:
      - name: Approve the Dependabot pull request
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PR_URL: ${{ github.event.pull_request.html_url }}
        run: gh pr review --repo "$GITHUB_REPOSITORY" "$PR_URL" --approve --body "Approved automatically after policy checks." || true

      - name: Enable auto-merge after required checks pass
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PR_URL: ${{ github.event.pull_request.html_url }}
        run: gh pr merge --repo "$GITHUB_REPOSITORY" "$PR_URL" --auto --squash --delete-branch