name: PR Labeler

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

permissions:
  contents: read
  pull-requests: write

jobs:
  label:
    name: Label PR
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Label based on files changed
        uses: actions/labeler@v5
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}
          configuration-path: .github/labeler.yml

      - name: Label based on PR size
        uses: codelytv/pr-size-labeler@v1
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          xs_label: 'size/xs'
          xs_max_size: 10
          s_label: 'size/s'
          s_max_size: 100
          m_label: 'size/m'
          m_max_size: 500
          l_label: 'size/l'
          l_max_size: 1000
          xl_label: 'size/xl'
          fail_if_xl: false

      - name: Label based on title
        uses: actions/github-script@v7
        with:
          script: |
            const title = context.payload.pull_request.title.toLowerCase();
            const labels = [];

            if (title.includes('fix') || title.includes('bug')) labels.push('bug');
            if (title.includes('feat') || title.includes('feature')) labels.push('enhancement');
            if (title.includes('docs') || title.includes('documentation')) labels.push('documentation');
            if (title.includes('refactor')) labels.push('refactor');
            if (title.includes('test')) labels.push('testing');
            if (title.includes('ci') || title.includes('workflow')) labels.push('ci/cd');
            if (title.includes('security')) labels.push('security');
            if (title.includes('breaking')) labels.push('breaking-change');
            if (title.includes('wip') || title.includes('draft')) labels.push('work-in-progress');

            if (labels.length > 0) {
              await github.rest.issues.addLabels({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.payload.pull_request.number,
                labels: labels
              });
            }