#!/usr/bin/env node
// ═══════════════════════════════════════════════════════════════════════════
// SIL Failure Review — Klassificera varje fel
// Erik-krav: "Varje gång SIL har fel ska ni inte bara logga det. Ni ska klassificera felet."
// ═══════════════════════════════════════════════════════════════════════════

import { readFileSync, writeFileSync, existsSync, appendFileSync } from 'fs';

const FAILURE_LOG = '/home/bernt/.openclaw/workspace/SIL/validation/failure-log.jsonl';

/**
 * Feltyper som SIL kan göra
 */
const FAILURE_TYPES = {
  KNOWLEDGE_ERROR: {
    description: 'Grafen saknade en relation',
    example: 'SIL visste inte att Wallet påverkar Payout',
    action: 'Uppdatera kunskapsgrafen'
  },
  PARSING_ERROR: {
    description: 'AST missade en import',
    example: 'SIL såg inte att filen importerade Stripe',
    action: 'Förbättra AST-parser'
  },
  RUNTIME_DRIFT: {
    description: 'Driftmiljön skiljde sig från modellen',
    example: 'Produktion hade en feature flag som grafen inte kände till',
    action: 'Uppdatera observer'
  },
  POLICY_ERROR: {
    description: 'Arkitekturregel felaktigt formulerad',
    example: 'Regeln var för strikt och flaggade giltig kod',
    action: 'Justera arkitekturpolicy'
  },
  LLM_ERROR: {
    description: 'Felaktig inferens',
    example: 'SIL drog fel slutsats från korrekt data',
    action: 'Förbättra resonemangsmodell'
  },
  CONFIDENCE_ERROR: {
    description: 'För hög confidence trots svag evidens',
    example: 'SIL sa 95% confidence men hade fel',
    action: 'Kalibrera om confidence-modell'
  },
  OBSERVATION_ERROR: {
    description: 'Felaktig eller ofullständig observation',
    example: 'Git diff missade en fil',
    action: 'Förbättra observer'
  },
  REASONING_ERROR: {
    description: 'Felaktigt resonemang från korrekt data',
    example: 'Korrekt data men fel slutsats',
    action: 'Granska resonemangsregler'
  }
};

class FailureReview {
  constructor() {
    this.failures = this.loadFailures();
  }

  loadFailures() {
    if (!existsSync(FAILURE_LOG)) return [];
    return readFileSync(FAILURE_LOG, 'utf8')
      .split('\n')
      .filter(line => line.trim())
      .map(line => {
        try { return JSON.parse(line); } catch { return null; }
      })
      .filter(Boolean);
  }

  /**
   * Logga ett nytt fel med klassificering
   */
  logFailure(failure) {
    const entry = {
      timestamp: new Date().toISOString(),
      analysisId: failure.analysisId,
      pr: failure.pr,
      // Vad SIL sa
      silPrediction: failure.silPrediction,
      silConfidence: failure.silConfidence,
      // Vad som var sant
      actualOutcome: failure.actualOutcome,
      // Klassificering
      failureType: failure.failureType,
      failureTypeDescription: FAILURE_TYPES[failure.failureType]?.description,
      // Kontext
      component: failure.component,
      evidence: failure.evidence,
      // Root cause
      rootCause: failure.rootCause,
      // Åtgärd
      action: failure.action || FAILURE_TYPES[failure.failureType]?.action,
      // Allvarlighet
      severity: failure.severity || 'MEDIUM',
      // Lärande
      lesson: failure.lesson
    };

    appendFileSync(FAILURE_LOG, JSON.stringify(entry) + '\n', 'utf8');
    console.log(`✅ Fel loggat: ${failure.failureType}`);
    console.log(`   ${FAILURE_TYPES[failure.failureType]?.description}`);
    console.log(`   Åtgärd: ${entry.action}\n`);

    return entry;
  }

  /**
   * Analysera felmönster
   */
  analyzePatterns() {
    const byType = {};
    const byComponent = {};
    const bySeverity = {};

    for (const failure of this.failures) {
      // Per typ
      byType[failure.failureType] = (byType[failure.failureType] || 0) + 1;

      // Per komponent
      if (failure.component) {
        byComponent[failure.component] = (byComponent[failure.component] || 0) + 1;
      }

      // Per allvarlighet
      bySeverity[failure.severity] = (bySeverity[failure.severity] || 0) + 1;
    }

    return {
      total: this.failures.length,
      byType: Object.entries(byType)
        .sort((a, b) => b[1] - a[1])
        .map(([type, count]) => ({
          type,
          count,
          percentage: Math.round(count / this.failures.length * 100) + '%',
          description: FAILURE_TYPES[type]?.description,
          action: FAILURE_TYPES[type]?.action
        })),
      byComponent: Object.entries(byComponent)
        .sort((a, b) => b[1] - a[1])
        .slice(0, 10)
        .map(([component, count]) => ({ component, count })),
      bySeverity
    };
  }

  /**
   * Generera rapport
   */
  generateReport() {
    const patterns = this.analyzePatterns();

    const report = {
      timestamp: new Date().toISOString(),
      totalFailures: patterns.total,
      patterns,
      // Dominant feltyp
      dominantFailure: patterns.byType[0],
      // Rekommendationer
      recommendations: this.generateRecommendations(patterns)
    };

    this.printReport(report);
    return report;
  }

  generateRecommendations(patterns) {
    const recs = [];

    // Om en feltyp dominerar → prioritera den
    if (patterns.byType.length > 0) {
      const dominant = patterns.byType[0];
      if (parseFloat(dominant.percentage) > 30) {
        recs.push({
          priority: 'HIGH',
          issue: `${dominant.type} dominerar (${dominant.percentage})`,
          action: dominant.action
        });
      }
    }

    // Om vissa komponenter har många fel → granska dem
    for (const comp of patterns.byComponent.slice(0, 3)) {
      if (comp.count > 3) {
        recs.push({
          priority: 'MEDIUM',
          issue: `Komponent ${comp.component} har ${comp.count} fel`,
          action: `Granska och uppdatera graf för ${comp.component}`
        });
      }
    }

    return recs;
  }

  printReport(report) {
    console.log('╔═══════════════════════════════════════════════════════════════╗');
    console.log('║           FAILURE REVIEW                                      ║');
    console.log('║           Klassificering av SIL:s fel                         ║');
    console.log('╚═══════════════════════════════════════════════════════════════╝');
    console.log();

    console.log(`📊 TOTALT: ${report.totalFailures} fel\n`);

    console.log('📋 PER TYP\n');
    for (const type of report.patterns.byType) {
      console.log(`   ${type.count}x ${type.type}`);
      console.log(`      ${type.description}`);
      console.log(`      ${type.percentage} av alla fel`);
      console.log(`      Åtgärd: ${type.action}`);
      console.log();
    }

    console.log('📋 PER KOMPONENT (top 10)\n');
    for (const comp of report.patterns.byComponent) {
      console.log(`   ${comp.component}: ${comp.count} fel`);
    }
    console.log();

    console.log('📋 PER ALLVARLIGHET\n');
    for (const [sev, count] of Object.entries(report.patterns.bySeverity)) {
      console.log(`   ${sev}: ${count}`);
    }
    console.log();

    if (report.recommendations.length > 0) {
      console.log('💡 REKOMMENDATIONER\n');
      for (const rec of report.recommendations) {
        const icon = rec.priority === 'HIGH' ? '🔴' : '🟡';
        console.log(`   ${icon} [${rec.priority}] ${rec.issue}`);
        console.log(`      → ${rec.action}`);
      }
      console.log();
    }

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

  /**
   * Lista alla feltyper
   */
  listTypes() {
    console.log('📋 FELTYPER\n');
    for (const [type, info] of Object.entries(FAILURE_TYPES)) {
      console.log(`   ${type}:`);
      console.log(`      ${info.description}`);
      console.log(`      Exempel: ${info.example}`);
      console.log(`      Åtgärd: ${info.action}`);
      console.log();
    }
  }
}

// ── Main ──────────────────────────────────────────────────────────────────

const review = new FailureReview();
const command = process.argv[2] || '--report';

if (command === '--report') {
  review.generateReport();
} else if (command === '--log') {
  // Exempel på att logga ett fel
  const failure = {
    analysisId: process.argv[3] || 'unknown',
    pr: process.argv[4] || 'PR-123',
    silPrediction: process.argv[5] || 'Wallet påverkar inte Payout',
    silConfidence: 0.85,
    actualOutcome: 'Wallet påverkar Payout',
    failureType: process.argv[6] || 'KNOWLEDGE_ERROR',
    component: process.argv[7] || 'wallet',
    evidence: 'Git diff visade ändring i payout.ts',
    rootCause: 'Grafen saknade kant Wallet → Payout',
    severity: 'HIGH',
    lesson: 'Måste uppdatera graf när nya beroenden läggs till'
  };
  review.logFailure(failure);
} else if (command === '--types') {
  review.listTypes();
} else {
  console.log('Användning:');
  console.log('  node failure-review.mjs --report                    # Generera rapport');
  console.log('  node failure-review.mjs --log <id> <pr> <pred> <type> <comp>  # Logga fel');
  console.log('  node failure-review.mjs --types                     # Lista feltyper');
}