#!/usr/bin/env node
// ═══════════════════════════════════════════════════════════════════════════
// EOS Immutable Truth — Verifiera att det finns exakt en sanningskälla
// Erik-krav: "Det finns exakt en sanningskälla för varje sak"
// ═══════════════════════════════════════════════════════════════════════════

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

const VIOLATION_LOG = '/home/bernt/.openclaw/workspace/EOS/immutable-truth-violations.jsonl';

/**
 * Regler för Immutable Truth
 */
const TRUTH_RULES = [
  {
    id: 'code-git',
    resource: 'Kod',
    source: 'Git',
    check: () => {
      // Kontrollera att ingen fil har ändrats utan commit
      try {
        const status = execSync('git status --short', {
          cwd: '/home/bernt/repos/quixzoom.com',
          encoding: 'utf8'
        });
        return {
          valid: status.trim().length === 0,
          evidence: status.trim().length > 0 ? `Ocommitade ändringar:\n${status}` : 'Allt är commitat'
        };
      } catch {
        return { valid: false, evidence: 'Kunde inte köra git status' };
      }
    }
  },
  {
    id: 'infra-iac',
    resource: 'Infrastruktur',
    source: 'Infrastructure as Code',
    check: () => {
      // Kontrollera att Terraform-filer finns och är commitade
      const hasTerraform = existsSync('/home/bernt/repos/quixzoom.com/terraform');
      const hasCloudFormation = existsSync('/home/bernt/repos/quixzoom.com/cloudformation');

      return {
        valid: hasTerraform || hasCloudFormation,
        evidence: hasTerraform ? 'Terraform hittat' :
                  hasCloudFormation ? 'CloudFormation hittat' :
                  'Ingen IaC hittad'
      };
    }
  },
  {
    id: 'db-migrations',
    resource: 'Databas',
    source: 'Migrationer',
    check: () => {
      const hasMigrations = existsSync('/home/bernt/repos/quixzoom.com/migrations');
      const hasPrisma = existsSync('/home/bernt/repos/quixzoom.com/prisma');

      return {
        valid: hasMigrations || hasPrisma,
        evidence: hasMigrations ? 'Migrationer hittade' :
                  hasPrisma ? 'Prisma schema hittat' :
                  'Inga migrationer hittade'
      };
    }
  },
  {
    id: 'api-openapi',
    resource: 'API',
    source: 'OpenAPI',
    check: () => {
      const hasOpenAPI = existsSync('/home/bernt/repos/quixzoom.com/openapi.yaml') ||
                        existsSync('/home/bernt/repos/quixzoom.com/openapi.json');

      return {
        valid: hasOpenAPI,
        evidence: hasOpenAPI ? 'OpenAPI spec hittad' : 'Ingen OpenAPI spec hittad'
      };
    }
  },
  {
    id: 'architecture-graph',
    resource: 'Arkitektur',
    source: 'Kunskapsgraf',
    check: () => {
      const hasGraph = existsSync('/home/bernt/.openclaw/workspace/SYSTEM_GRAPH.json');

      return {
        valid: hasGraph,
        evidence: hasGraph ? 'Kunskapsgraf hittad' : 'Ingen kunskapsgraf hittad'
      };
    }
  }
];

class ImmutableTruthValidator {
  constructor() {
    this.rules = TRUTH_RULES;
  }

  /**
   * Validera alla sanningskällor
   */
  validate() {
    console.log('🔍 Validerar Immutable Truth...\n');

    const results = [];
    let violations = 0;

    for (const rule of this.rules) {
      const result = rule.check();

      results.push({
        id: rule.id,
        resource: rule.resource,
        source: rule.source,
        valid: result.valid,
        evidence: result.evidence
      });

      if (!result.valid) {
        violations++;
        this.logViolation({
          rule: rule.id,
          resource: rule.resource,
          expected: rule.source,
          evidence: result.evidence
        });
      }

      const icon = result.valid ? '✅' : '❌';
      console.log(`${icon} ${rule.resource} → ${rule.source}`);
      console.log(`   ${result.evidence}`);
      console.log();
    }

    const report = {
      timestamp: new Date().toISOString(),
      total: this.rules.length,
      valid: this.rules.length - violations,
      violations,
      results
    };

    this.printReport(report);
    return report;
  }

  logViolation(violation) {
    appendFileSync(VIOLATION_LOG, JSON.stringify({
      ...violation,
      timestamp: new Date().toISOString()
    }) + '\n', 'utf8');
  }

  printReport(report) {
    console.log('╔═══════════════════════════════════════════════════════════════╗');
    console.log('║           IMMUTABLE TRUTH                                     ║');
    console.log('║           Exakt en sanningskälla för varje sak                ║');
    console.log('╚═══════════════════════════════════════════════════════════════╝');
    console.log();

    console.log(`📊 RESULTAT\n`);
    console.log(`   Regler: ${report.total}`);
    console.log(`   Godkända: ${report.valid} ✅`);
    console.log(`   Överträdelser: ${report.violations} ❌`);
    console.log();

    if (report.violations > 0) {
      console.log('🔴 ÖVERTRÄDELSER\n');
      for (const result of report.results.filter(r => !r.valid)) {
        console.log(`   ${result.resource}: ${result.evidence}`);
      }
      console.log();
    }

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

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

const validator = new ImmutableTruthValidator();
validator.validate();