name: Gate

on:
  schedule:
    - cron: "0 12 * * 6" # Saturday 8 AM ET — create this week's gate
  workflow_dispatch:
  issues:
    types: [closed] # grade a gate when it closes

permissions:
  contents: write
  issues: write

# Shared with srs-scheduler / srs-logger / srs-setup: never race on srs.json.
concurrency:
  group: srs-state
  cancel-in-progress: false

jobs:
  create:
    # Trigger A: the only issue-creating workflow in the SRS. The script
    # no-ops when this week's gate already exists.
    if: github.event_name != 'issues'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: oven-sh/setup-bun@v2

      - run: bun scripts/srs-gate.ts create
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Commit state
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add .github/srs
          git diff --cached --quiet && { echo "no state change"; exit 0; }
          git commit -m "srs: create weekly gate [skip ci]"
          for i in 1 2 3; do git push && exit 0; git pull --rebase; done
          git push

  close:
    # Trigger B: grade, log, boost, badge.
    if: >-
      github.event_name == 'issues' &&
      contains(github.event.issue.labels.*.name, 'gate')
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: oven-sh/setup-bun@v2

      - run: bun scripts/srs-gate.ts close
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Commit state
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add .github/srs docs/gate-log.md
          git diff --cached --quiet && { echo "no state change"; exit 0; }
          git commit -m "srs: grade gate #${{ github.event.issue.number }} [skip ci]"
          for i in 1 2 3; do git push && exit 0; git pull --rebase; done
          git push