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: Push and open PR if needed
        if: steps.digest.outputs.changed == 'true'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          BRANCH="ci/upstream-digest"
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git checkout -b "${BRANCH}"
          git add doc/upstream.md
          git commit -m "docs(upstream): upstream digest $(date +%Y-%m-%d)"
          git config --unset http.https://github.com/.extraheader
          git remote set-url origin "https://x-access-token:${{ secrets.DIGEST_PAT }}@github.com/barrettruth/canola.nvim.git"
          git push --force origin "${BRANCH}"
          if ! GH_TOKEN="${{ secrets.GITHUB_TOKEN }}" gh pr list --head "${BRANCH}" --state open --json number --jq '.[0].number' | grep -q .; then
            PR_URL=$(GH_TOKEN="${{ secrets.GITHUB_TOKEN }}" gh pr create \
              --title "docs(upstream): upstream digest" \
              --body "Automated weekly digest of new upstream activity. Triage by updating statuses and notes." \
              --base main \
              --head "${BRANCH}")
            GH_TOKEN="${{ secrets.DIGEST_PAT }}" gh pr review "${PR_URL}" --approve
            gh pr merge "${PR_URL}" --auto --squash
          fi