#!/usr/bin/env node
// ═══════════════════════════════════════════════════════════════════════════
// EOS Metrics Dashboard — Mäta användning under moratorium
// Erik-krav: "Mäta: Hur många gånger användes EOS? Hur många STOP-regler utlöstes?"
// ═══════════════════════════════════════════════════════════════════════════

import { readFileSync, existsSync } from 'fs';

const METRICS = {
  // Användning
  eosUsage: {
    totalRuns: 0,
    byComponent: {},
    byDate: {}
  },
  // STOP
  stopsTriggered: {
    total: 0,
    byRule: {},
    bySeverity: {}
  },
  // Undantag
  waiversRequested: {
    total: 0,
    approved: 0,
    denied: 0
  },
  // Tider
  resolutionTime: {
    total: 0,
    count: 0,
    average: 0
  },
  // Regressions
  regressionsAvoided: 0,
  // Beslutsändringar
  decisionsChanged: 0
};

class MetricsDashboard {
  constructor() {
    this.loadMetrics();
  }

  loadMetrics() {
    const path = '/home/bernt/.openclaw/workspace/EOS/metrics.json';
    if (existsSync(path)) {
      const data = JSON.parse(readFileSync(path, 'utf8'));
      Object.assign(METRICS, data);
    }
  }

  /**
   * Visa dashboard
   */
  show() {
    console.log('╔═══════════════════════════════════════════════════════════════╗');
    console.log('║           EOS METRICS DASHBOARD                               ║');
    console.log('║           Moratorium-period: Sprint 1-2                       ║');
    console.log('╚═══════════════════════════════════════════════════════════════╝');
    console.log();

    console.log('📊 ANVÄNDNING\n');
    console.log(`   Totala körningar: ${METRICS.eosUsage.totalRuns}`);
    console.log(`   Per komponent:`);
    for (const [comp, count] of Object.entries(METRICS.eosUsage.byComponent)) {
      console.log(`      • ${comp}: ${count}`);
    }
    console.log();

    console.log('🔴 STOP-REGLER\n');
    console.log(`   Totala utlösningar: ${METRICS.stopsTriggered.total}`);
    console.log(`   Per regel:`);
    for (const [rule, count] of Object.entries(METRICS.stopsTriggered.byRule)) {
      console.log(`      • ${rule}: ${count}`);
    }
    console.log(`   Per allvarlighet:`);
    for (const [sev, count] of Object.entries(METRICS.stopsTriggered.bySeverity)) {
      console.log(`      • ${sev}: ${count}`);
    }
    console.log();

    console.log('🟡 DISPENSER\n');
    console.log(`   Begärda: ${METRICS.waiversRequested.total}`);
    console.log(`   Godkända: ${METRICS.waiversRequested.approved}`);
    console.log(`   Avslagna: ${METRICS.waiversRequested.denied}`);
    console.log();

    console.log('⏱️  LÖSNINGSTID\n');
    console.log(`   Genomsnitt: ${METRICS.resolutionTime.average.toFixed(1)} timmar`);
    console.log(`   Antal: ${METRICS.resolutionTime.count}`);
    console.log();

    console.log('🛡️  REGRESSIONER\n');
    console.log(`   Undvikna: ${METRICS.regressionsAvoided}`);
    console.log();

    console.log('🧠 BESLUTSÄNDRINGAR\n');
    console.log(`   Utvecklare ändrade beslut efter EOS-analys: ${METRICS.decisionsChanged}`);
    console.log();

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

  /**
   * Uppdatera mätvärden (simulerat)
   */
  simulate() {
    // Simulera data för demonstration
    METRICS.eosUsage.totalRuns = 47;
    METRICS.eosUsage.byComponent = {
      'immutable-truth': 12,
      'engineering-contract': 15,
      'policy-enforcement': 8,
      'engineering-readiness': 5,
      'release-gate': 7
    };

    METRICS.stopsTriggered.total = 23;
    METRICS.stopsTriggered.byRule = {
      'no-pipeline-deploy': 8,
      'no-server-edit': 5,
      'no-uncommitted': 4,
      'no-migration': 3,
      'no-api-contract': 3
    };
    METRICS.stopsTriggered.bySeverity = {
      'CRITICAL': 5,
      'HIGH': 8,
      'MEDIUM': 7,
      'LOW': 3
    };

    METRICS.waiversRequested.total = 3;
    METRICS.waiversRequested.approved = 1;
    METRICS.waiversRequested.denied = 2;

    METRICS.resolutionTime.total = 72;
    METRICS.resolutionTime.count = 18;
    METRICS.resolutionTime.average = 72 / 18;

    METRICS.regressionsAvoided = 4;
    METRICS.decisionsChanged = 6;

    this.show();
  }
}

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

const dashboard = new MetricsDashboard();
const command = process.argv[2] || '--show';

if (command === '--show') {
  dashboard.show();
} else if (command === '--simulate') {
  dashboard.simulate();
} else {
  console.log('Användning:');
  console.log('  node metrics-dashboard.mjs --show      # Visa mätvärden');
  console.log('  node metrics-dashboard.mjs --simulate  # Simulera data');
}