assign-priority-label.yml

name: Assign Priority Label
on:
  issues:
    types: [opened, edited]

jobs:
  assign-label:
    runs-on: ubuntu-latest
    steps:
      - name: Extract Priority and Apply Label
        uses: actions/github-script@v6
        with:
          script: |
            const issueBody = context.payload.issue.body;
            const priorityRegex = /### Priority\s*\n\s*> (.*)/;
            const match = issueBody.match(priorityRegex);
            
            if (match) {
              const selectedOption = match[1].trim();
              let priorityLabel;
              
              // Map friendly dropdown options to labels
              if (selectedOption.startsWith("Critical")) priorityLabel = "priority: critical";
              else if (selectedOption.startsWith("High")) priorityLabel = "priority: high";
              else if (selectedOption.startsWith("Medium")) priorityLabel = "priority: medium";
              else if (selectedOption.startsWith("Low")) priorityLabel = "priority: low";
              
              if (priorityLabel) {
                // Remove any existing priority labels
                const currentLabels = context.payload.issue.labels.map(l => l.name);
                const otherPriorityLabels = currentLabels.filter(l => l.startsWith('priority:') && l !== priorityLabel);
                
                if (otherPriorityLabels.length > 0) {
                  await github.rest.issues.removeLabel({
                    issue_number: context.issue.number,
                    owner: context.repo.owner,
                    repo: context.repo.repo,
                    name: otherPriorityLabels[0]
                  });
                }
                
                // Add the new priority label
                await github.rest.issues.addLabels({
                  issue_number: context.issue.number,
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  labels: [priorityLabel]
                });
              }
            }