name: Issue Triage and Management

on:
  issues:
    types: [opened, labeled]
  issue_assigned:
    types: [assigned]

jobs:
  triage-on-issue-open:
    runs-on: ubuntu-latest
    if: github.event.sender.login != 'github-actions'
    steps:
      - name: Reply to Issue
        uses: peter-evans/issues-comment-action@v2
        with:
          issue-number: ${{ github.event.issue.number }}
          comment: >
            Thanks for filing the issue! We’ll review it shortly and route it to the correct team. 

      - name: Check Labels for Proper Triaging
        id: check-labels
        uses: actions/github-script@v6
        with:
          script: |
            const issue = await github.rest.issues.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number
            });

            const labels = issue.data.labels.map(label => label.name);
            const requiredLabels = {
              types: ['bug', 'enhancement', 'good first issue'],
              impacts: ['Impact: High', 'Impact: Medium', 'Impact: Low'],
              work: ['Work: High', 'Work: Medium', 'Work: Low'],
              priorities: ['Priority: Essential', 'Priority: Important', 'Priority: Nice-to-have']
            };

            const hasTypeLabel = labels.some(label => requiredLabels.types.includes(label));
            const hasImpactLabel = labels.some(label => requiredLabels.impacts.includes(label));
            const hasWorkLabel = labels.some(label => requiredLabels.work.includes(label));
            const hasPriorityLabel = labels.some(label => requiredLabels.priorities.includes(label));

            const needsTriage = !(hasTypeLabel && hasImpactLabel && hasWorkLabel && hasPriorityLabel);

            core.setOutput('needs-triage', needsTriage);

      - name: Add Needs Triage Label
        if: steps.check-labels.outputs.needs-triage == 'true'
        uses: actions/labeler@v3
        with:
          labels: needs-triage

      - name: Remove Needs Triage Label
        if: steps.check-labels.outputs.needs-triage == 'false'
        uses: actions/labeler@v3
        with:
          remove: needs-triage
    
       - name: Verify Project Assignment
        uses: actions/github-script@v6
      with:
          script: |
        const projects = await github.rest.issues.listForRepo({
        owner: context.repo.owner,
        repo: context.repo.repo,
        issue_number: context.issue.number,
      });

      const openProjects = projects.data.filter(project => project.state === 'open');
      if (openProjects.length !== 1) {
        throw new Error(`Issue must be assigned to exactly one open project. Found: ${openProjects.length}`);
      }
      console.log(`Valid project assignment: ${openProjects[0].name}`);