name: Dependabot Auto-Merge

on:
  pull_request:
    branches: [develop, master]

permissions:
  contents: write
  pull-requests: write

jobs:
  dependabot:
    runs-on: ubuntu-latest
    if: github.actor == 'dependabot[bot]'
    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v2
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"

      - name: Wait for CI to pass
        uses: lewagon/wait-on-check-action@v1.3.4
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          check-regexp: '(setup|linter|tests)'
          repo-token: ${{ secrets.GITHUB_TOKEN }}
          wait-interval: 10

      - name: Enable auto-merge for Dependabot PRs
        if: ${{ steps.metadata.outputs.update-type != 'version-update:semver-major' }}
        run: gh pr merge --auto --squash "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}