#!/usr/bin/env node
// ═══════════════════════════════════════════════════════════════════════════
// EOS Dashboard — Enkel textbaserad vy över systemets hälsa
// ═══════════════════════════════════════════════════════════════════════════

import { readFileSync, existsSync, readdirSync } from 'fs';

class EOSDashboard {
  constructor() {
    this.data = {
      runtimeContract: this.checkRuntimeContract(),
      policyLayer: this.checkPolicyLayer(),
      releaseGates: this.checkReleaseGates(),
      goldenFailures: this.checkGoldenFailures(),
      drift: this.checkDrift(),
      readiness: this.checkReadiness(),
      decisionCorrectness: this.checkDecisionCorrectness(),
      replayCoverage: this.checkReplayCoverage(),
      activeStops: this.checkActiveStops(),
      engineeringReadiness: this.checkEngineeringReadiness()
    };
  }

  checkRuntimeContract() {
    try {
      const contract = readFileSync('./RUNTIME-CONTRACT.md', 'utf8');
      return {
        status: '✅',
        version: '1.0',
        invariants: (contract.match(/Invariant/g) || []).length,
        lastUpdated: '2026-07-01'
      };
    } catch {
      return { status: '❌', error: 'Contract not found' };
    }
  }

  checkPolicyLayer() {
    try {
      const registry = readFileSync('./policy-registry.mjs', 'utf8');
      const policies = (registry.match(/id: 'POL-/g) || []).length;
      return {
        status: '✅',
        policies,
        version: '1.0'
      };
    } catch {
      return { status: '❌', error: 'Registry not found' };
    }
  }

  checkReleaseGates() {
    return {
      status: '✅',
      policyLayer: 'APPROVED',
      eosRuntime: 'PENDING',
      reasoningGate: 'NOT_OPEN'
    };
  }

  checkGoldenFailures() {
    try {
      const failures = JSON.parse(readFileSync('./golden-failures.json', 'utf8'));
      const active = failures.failures.filter(f => f.status === 'active').length;
      const resolved = failures.failures.filter(f => f.status === 'resolved').length;
      return {
        status: active > 0 ? '🟡' : '✅',
        active,
        resolved,
        total: failures.failures.length
      };
    } catch {
      return { status: '❌', error: 'Golden failures not found' };
    }
  }

  checkDrift() {
    try {
      const logs = readdirSync('./stability-logs')
        .filter(f => f.startsWith('stability-') && f.endsWith('.json'));
      
      if (logs.length < 2) {
        return { status: '⏳', message: 'Insufficient data' };
      }
      
      const latest = JSON.parse(readFileSync(`./stability-logs/${logs[logs.length - 1]}`, 'utf8'));
      const previous = JSON.parse(readFileSync(`./stability-logs/${logs[logs.length - 2]}`, 'utf8'));
      
      const drift = latest.metrics.decisionCorrectness - previous.metrics.decisionCorrectness;
      
      return {
        status: drift >= 0 ? '✅' : '🔴',
        drift: `${drift}%`,
        days: logs.length
      };
    } catch {
      return { status: '⏳', message: 'No stability logs' };
    }
  }

  checkReadiness() {
    return {
      status: '⏳',
      gate: 'R0',
      daysRemaining: 7,
      criteria: '7 days stability required'
    };
  }

  checkDecisionCorrectness() {
    try {
      const report = JSON.parse(readFileSync('./falsification-suite-report-v6.json', 'utf8'));
      const correctness = report.summary.overallDecisionCorrectness;
      return {
        status: correctness >= 95 ? '✅' : '🟡',
        percentage: `${correctness}%`,
        target: '≥95%'
      };
    } catch {
      return { status: '❌', error: 'Report not found' };
    }
  }

  checkReplayCoverage() {
    try {
      const replay = readFileSync('./decision-replay.mjs', 'utf8');
      const hasRecord = replay.includes('recordDecision');
      const hasReplay = replay.includes('replay');
      return {
        status: hasRecord && hasReplay ? '✅' : '🟡',
        record: hasRecord,
        replay: hasReplay
      };
    } catch {
      return { status: '❌', error: 'Replay not found' };
    }
  }

  checkActiveStops() {
    try {
      const stops = readFileSync('./stop-register-v2.mjs', 'utf8');
      const count = (stops.match(/STOP/g) || []).length;
      return {
        status: count > 0 ? '🟡' : '✅',
        count,
        note: 'Active STOPs require attention'
      };
    } catch {
      return { status: '❌', error: 'STOP register not found' };
    }
  }

  checkEngineeringReadiness() {
    return {
      status: '⏳',
      score: 'N/A',
      note: 'Requires 7 days of stability data'
    };
  }

  render() {
    console.log('╔═══════════════════════════════════════════════════════════════╗');
    console.log('║                    EOS DASHBOARD                              ║');
    console.log('║              System Health Overview                           ║');
    console.log('╚═══════════════════════════════════════════════════════════════╝');
    console.log();

    const sections = [
      { title: 'Runtime Contract', data: this.data.runtimeContract },
      { title: 'Policy Layer', data: this.data.policyLayer },
      { title: 'Release Gates', data: this.data.releaseGates },
      { title: 'Golden Failures', data: this.data.goldenFailures },
      { title: 'Drift', data: this.data.drift },
      { title: 'Readiness', data: this.data.readiness },
      { title: 'Decision Correctness', data: this.data.decisionCorrectness },
      { title: 'Replay Coverage', data: this.data.replayCoverage },
      { title: 'Active STOPs', data: this.data.activeStops },
      { title: 'Engineering Readiness', data: this.data.engineeringReadiness }
    ];

    for (const section of sections) {
      console.log(`${section.title}`);
      console.log('─'.repeat(50));
      
      if (section.data.status) {
        console.log(`  Status: ${section.data.status}`);
      }
      
      for (const [key, value] of Object.entries(section.data)) {
        if (key !== 'status') {
          console.log(`  ${key}: ${value}`);
        }
      }
      
      console.log();
    }

    console.log('═══════════════════════════════════════════════════════════════');
    console.log('Last updated:', new Date().toISOString());
    console.log('═══════════════════════════════════════════════════════════════');
  }
}

// CLI
const dashboard = new EOSDashboard();
dashboard.render();