/**
 * Audit card category sequences across all public documents
 * Show pedagogical flow issues
 */
const { MongoClient } = require('mongodb');

const PUBLIC_SLUGS = [
  'introduction', 'core-concepts', 'executive-summary-tractatus-inflection-point',
  'implementation-guide-v1.1', 'implementation-guide', 'implementation-guide-python-examples',
  'tractatus-framework-research', 'pluralistic-values-research-foundations',
  'the-27027-incident-a-case-study-in-pattern-recognition-bias',
  'real-world-ai-governance-a-case-study-in-framework-failure-and-recovery',
  'llm-integration-feasibility-research-scope',
  'research-topic-concurrent-session-architecture',
  'research-topic-rule-proliferation-transactional-overhead',
  'technical-architecture', 'api-reference-complete', 'api-javascript-examples',
  'api-python-examples', 'openapi-specification',
  'value-pluralism-faq', 'tractatus-ai-safety-framework-core-values-and-principles',
  'organizational-theory-foundations', 'business-case-tractatus-framework'
];

const CATEGORY_ICONS = {
  'conceptual': '📘',
  'technical': '🔧',
  'practical': '💡',
  'reference': '📋',
  'critical': '⚠️'
};

function analyzeSequence(sections) {
  if (!sections || sections.length === 0) return null;

  const sequence = sections.map(s => s.category);
  const categoryChanges = [];

  for (let i = 1; i < sequence.length; i++) {
    if (sequence[i] !== sequence[i-1]) {
      categoryChanges.push(i);
    }
  }

  // Calculate "jumpiness" - how often categories change
  const jumpiness = categoryChanges.length / (sections.length - 1);

  // Identify poor patterns
  const issues = [];

  // Issue 1: Critical/warning at the end (should be near start)
  const criticalIndices = sequence.map((cat, idx) => cat === 'critical' ? idx : -1).filter(i => i >= 0);
  if (criticalIndices.some(idx => idx > sequence.length * 0.7)) {
    issues.push('Critical content appears late in sequence');
  }

  // Issue 2: Reference at the beginning (should be at end)
  const referenceIndices = sequence.map((cat, idx) => cat === 'reference' ? idx : -1).filter(i => i >= 0);
  if (referenceIndices.some(idx => idx < sequence.length * 0.3)) {
    issues.push('Reference content appears early (should be at end)');
  }

  // Issue 3: Technical before conceptual (usually bad pedagogy)
  for (let i = 0; i < sequence.length - 1; i++) {
    if (sequence[i] === 'technical' && i < 2) {
      issues.push('Technical content appears before conceptual foundation');
      break;
    }
  }

  // Issue 4: High jumpiness (categories bouncing around)
  if (jumpiness > 0.6) {
    issues.push(`High category jumpiness (${Math.round(jumpiness * 100)}%) - cards bounce between types`);
  }

  return {
    sequence,
    categoryChanges: categoryChanges.length,
    jumpiness: Math.round(jumpiness * 100),
    issues
  };
}

async function run() {
  const client = new MongoClient('mongodb://localhost:27017');
  await client.connect();

  const db = client.db('tractatus_dev');
  const collection = db.collection('documents');

  console.log('═══════════════════════════════════════════════════════════');
  console.log('  CARD CATEGORY SEQUENCE AUDIT');
  console.log('═══════════════════════════════════════════════════════════\n');

  const poorSequences = [];

  for (const slug of PUBLIC_SLUGS) {
    const doc = await collection.findOne({ slug });

    if (!doc || !doc.sections) continue;

    console.log(`\n📄 ${doc.title}`);
    console.log(`   Slug: ${slug}`);
    console.log(`   Category: ${doc.category || 'none'}`);
    console.log(`   Cards: ${doc.sections.length}`);

    const analysis = analyzeSequence(doc.sections);

    if (!analysis) {
      console.log('   ❌ No sections to analyze');
      continue;
    }

    // Show category sequence visually
    console.log(`\n   Sequence:`);
    const sequenceDisplay = analysis.sequence.map((cat, idx) => {
      const icon = CATEGORY_ICONS[cat] || '❓';
      return `${icon} ${cat}`;
    }).join(' → ');

    // Wrap long sequences
    const parts = [];
    let currentPart = '';
    analysis.sequence.forEach((cat, idx) => {
      const icon = CATEGORY_ICONS[cat] || '❓';
      const item = `${icon}`;
      if (currentPart.length + item.length > 50) {
        parts.push(currentPart);
        currentPart = '   ';
      }
      currentPart += item + ' ';
    });
    if (currentPart.trim()) parts.push(currentPart);

    parts.forEach(part => console.log(part));

    console.log(`\n   Metrics:`);
    console.log(`   - Category changes: ${analysis.categoryChanges}`);
    console.log(`   - Jumpiness: ${analysis.jumpiness}%`);

    if (analysis.issues.length > 0) {
      console.log(`\n   ⚠️  ISSUES:`);
      analysis.issues.forEach(issue => console.log(`      - ${issue}`));
      poorSequences.push({ slug, doc: doc.title, issues: analysis.issues });
    } else {
      console.log(`\n   ✅ Sequence looks reasonable`);
    }
  }

  console.log('\n\n═══════════════════════════════════════════════════════════');
  console.log('  SUMMARY');
  console.log('═══════════════════════════════════════════════════════════\n');

  console.log(`Documents audited: ${PUBLIC_SLUGS.length}`);
  console.log(`Documents with poor sequences: ${poorSequences.length}\n`);

  if (poorSequences.length > 0) {
    console.log('Documents needing resequencing:\n');
    poorSequences.forEach((item, idx) => {
      console.log(`${idx + 1}. ${item.doc}`);
      console.log(`   Slug: ${item.slug}`);
      item.issues.forEach(issue => console.log(`   - ${issue}`));
      console.log('');
    });
  }

  await client.close();
}

run().catch(console.error);