name: 'Label Child Issues for Project Rollup'

on:
  issues:
    types: ['opened', 'edited']

jobs:
  labeler:
    runs-on: 'ubuntu-latest'
    permissions:
      issues: 'write'
    steps:
      - name: 'Check for Parent Workstream and Apply Label'
        uses: 'actions/github-script@v7'
        with:
          script: |
            const issue = context.payload.issue;
            const parentWorkstreamNumbers = [15374, 15456, 15324];
            const labelToAdd = 'workstream-rollup';

            // --- START DEBUGGING ---
            console.log('--- Full Issue Object from Payload ---');
            console.log(JSON.stringify(issue, null, 2));
            console.log('--- End of Full Issue Object ---');
            
            console.log(`Value of issue.parent is: ${issue.parent}`);
            if (issue.parent) {
              console.log(`Value of issue.parent.number is: ${issue.parent.number}`);
            }
            // --- END DEBUGGING ---

            if (issue.parent && parentWorkstreamNumbers.includes(issue.parent.number)) {
              console.log(`SUCCESS: Issue #${issue.number} is a child of a target workstream. Adding label.`);
              await github.rest.issues.addLabels({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: issue.number,
                labels: [labelToAdd]
              });
            } else {
              console.log(`FAILURE: Issue #${issue.number} is not a child of a target workstream. No action taken.`);
            }