name: Auto Label PR

on:
  pull_request:
    types: [opened, synchronize, reopened]

jobs:
  add-automerge-label:
    runs-on: [macos, host]
    steps:
      - name: Add 'automerge' label to PR
        env:
          CI_TOKEN: ${{ secrets.CI_TOKEN }}
          GITEA_BASE_URL: https://gitea.jaybe.dev
          PR_NUMBER: ${{ github.event.pull_request.number }}
          REPO: ${{ github.repository }}
        run: |
          set -euo pipefail
          if [ -z "${CI_TOKEN:-}" ]; then
            echo "CI_TOKEN not set; skipping labeling"; exit 0; fi
          OWNER=$(echo "$REPO" | cut -d'/' -f1)
          NAME=$(echo "$REPO" | cut -d'/' -f2)
          echo "Labeling PR #$PR_NUMBER on $OWNER/$NAME with 'automerge'"
          curl -sS -X POST \
            -H "Content-Type: application/json" \
            -H "Authorization: token ${CI_TOKEN}" \
            "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/issues/${PR_NUMBER}/labels" \
            -d '["automerge"]' || true