name: PR auto-{approve,merge}

on:
  pull_request_target:

permissions:
  pull-requests: write
  contents: write

jobs:
  dependabot:
    name: Dependabot
    runs-on: ubuntu-latest

    env:
      RAILS_ENV: test
      REDIS_URL: redis://localhost:6379/0
      RAILS_MASTER_KEY: ${{ secrets.RAILS_MASTER_KEY }}
      SLACK_LOG_URL: http://slack.com/the_log_room

    # Service containers to run; note that this is duplicated
    # in test.yml due to a limitation in GitHub Actions
    # (services can only be defined per job)
    services:
      redis:
        # Docker Hub image name
        image: redis:6.2-alpine
        ports: ["6379:6379"]
        # Set health checks to wait until redis has started
        options: >-
          --health-cmd "redis-cli ping" --health-interval 10s --health-timeout
          5s --health-retries 5

    if: ${{ github.event.pull_request.user.login == 'dependabot[bot]' }}
    steps:
      - name: Fetch Dependabot metadata
        id: dependabot-metadata
        uses: dependabot/fetch-metadata@v1
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"

      - uses: actions/checkout@v3
        with:
          ref: ${{ github.head_ref }}

      - uses: ./.github/actions/sisyphus

      - uses: ./.github/actions/license

      - name: Commit licenses
        run: |
          git add .
          git commit -m "[auto-license]: Update license information" || true
          git push

      - uses: ./.github/actions/sorbet

      - name: Commit Sorbet
        run: |
          git add .
          git commit -m "[auto-rbi]: Update RBI files" || true
          git push

      - name: Approve Dependabot PR
        if: ${{steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major'}}
        run: gh pr review --approve "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Merge Dependabot PR
        run: gh pr merge --auto --squash "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  sisyphusbot:
    name: Automated PRs
    runs-on: ubuntu-latest

    if: ${{ github.event.pull_request.user.login == 'sisyphusbot' }}
    steps:
      - uses: actions/checkout@v3

      - name: Approve Automated PR
        if: startsWith(github.event.pull_request.title, '[auto')
        run: gh pr review --approve "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Merge Automated PR
        if: startsWith(github.event.pull_request.title, '[auto')
        run: gh pr merge --auto --squash "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}