name: Coherence Check

on:
  schedule:
    - cron: '0 */4 * * *'  # Every 4 hours
  push:
    branches: [main]
  pull_request:
    branches: [main]

permissions:
  contents: read
  issues: write

jobs:
  coherence-check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Install dependencies
        run: |
          npm install
          pip install PyYAML requests beautifulsoup4

      - name: Run index generator
        run: node tools/generate-index.mjs
        continue-on-error: true

      - name: Run coherence check
        id: coherence
        run: |
          python tools/coherence-check.py --output coherence-report.json
        continue-on-error: true

      - name: Upload coherence report
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: coherence-report
          path: coherence-report.json

      - name: Parse and report findings
        if: always()
        env:
          REPORT_PATH: coherence-report.json
        run: |
          python .github/scripts/report-findings.py

      - name: Create issue for critical failures
        if: failure()
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.create({
              owner: context.repo.owner,
              repo: context.repo.repo,
              title: '[Coherence] Critical validation failure',
              body: 'The coherence check encountered critical failures. Please review the workflow logs.',
              labels: ['bug', 'critical', 'needs-review']
            })