name: PR Labeler

on:
  pull_request_target:
    types: [opened]

jobs:
  label:
    runs-on: ubuntu-latest
    steps:
      - name: Label by branch prefix
        env:
          FORGEJO_TOKEN: ${{ secrets.FORGEJO_TOKEN }}
        run: |
          BRANCH="${{ forge.head_ref }}"
          case "$BRANCH" in
            feature/*)  LABEL="enhancement/feature"  ;;
            fix/*)      LABEL="bug"                  ;;
            chore/*)    LABEL="enhancement/chore"     ;;
            refactor/*) LABEL="enhancement/refactor"  ;;
            docs/*)     LABEL="enhancement/docs"      ;;
            test/*)     LABEL="enhancement/test"      ;;
            perf/*)     LABEL="enhancement/perf"      ;;
            style/*)    LABEL="enhancement/style"     ;;
            *)          exit 0                        ;;
          esac
          REPO="${{ forge.repository }}"
          API_URL="${{ forge.api_url }}"
          PR_NUMBER="${{ forge.event.number }}"
          curl -s -X POST \
            -H "Authorization: token $FORGEJO_TOKEN" \
            -H "Content-Type: application/json" \
            -d "{\"labels\": [\"$LABEL\"]}" \
            "$API_URL/repos/$REPO/issues/$PR_NUMBER/labels"