name: Check labels

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

on:
  pull_request:
    types: [labeled, opened, synchronize, unlabeled]
  merge_group:

jobs:
  check-labels:
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - name: Check labels
        env:
          GITHUB_PR: ${{ github.event.pull_request.number }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          API_BASE: https://api.github.com/repos
          REPO: ${{ github.repository }}
        run: |
          if [ ${{ github.ref }} == "refs/heads/master" ] || [ ${{ github.ref }} == "refs/heads/main" ]; then
            echo "Skipping main/master"
            exit 0
          fi
          if [ $(echo ${{ github.ref }} | grep -c "gh-readonly-queue") -eq 1 ]; then
            echo "Skipping merge queue"
            exit 0
          fi

          echo "REPO: ${REPO}"
          echo "GITHUB_PR: ${GITHUB_PR}"

          # Fetch the labels for the PR under test
          echo "Fetch the labels for $API_BASE/${REPO}/pulls/${GITHUB_PR}"
          labels=$( curl -H "Authorization: token ${GITHUB_TOKEN}" -s "$API_BASE/${REPO}/pulls/${GITHUB_PR}" | jq '.labels | .[] | .name' | tr "\n" "," )
          echo "Labels: ${labels}"

          # Basic label checks for Pezkuwi SDK
          # Check for required labels (customize as needed)
          if [ -z "${labels}" ]; then
            echo "::warning::No labels found on PR. Consider adding appropriate labels."
          else
            echo "Labels found: ${labels}"
            # Check for T- (type) labels
            if echo "${labels}" | grep -q '"T-'; then
              echo "Type label found"
            else
              echo "::notice::Consider adding a type label (T-*)"
            fi
          fi

          echo "Label check completed"