name: upstream digest

on:
  schedule:
    - cron: "0 9 * * 1"
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  digest:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Update upstream tracker
        id: digest
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: python3 .github/scripts/upstream_digest.py

      - name: Format doc/upstream.md
        if: steps.digest.outputs.changed == 'true'
        run: npx --yes prettier --write doc/upstream.md

      - name: Create PR
        if: steps.digest.outputs.changed == 'true'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          DATE=$(date +%Y-%m-%d)
          BRANCH="ci/upstream-digest-${DATE}"
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git checkout -b "${BRANCH}"
          git add doc/upstream.md
          git commit -m "docs(upstream): add digest for week of ${DATE}"
          git push origin "${BRANCH}"
          PR_URL=$(gh pr create \
            --title "docs(upstream): add digest for week of ${DATE}" \
            --body "Automated weekly digest of new upstream activity. Triage by updating statuses and notes." \
            --base main \
            --head "${BRANCH}")
          gh pr merge "${PR_URL}" --auto --squash