#!/usr/bin/env node
/**
 * Compare endpoints from JSON export with NPMplus configuration
 * Identifies missing domains, mismatches, and discrepancies
 */

import { readFileSync } from 'fs';
import { join, dirname } from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const PROJECT_ROOT = join(__dirname, '..');

// Load endpoints JSON
const endpointsData = JSON.parse(
  readFileSync(join(PROJECT_ROOT, 'reports', 'endpoints-export.json'), 'utf8')
);

// NPMplus configuration from configure-npmplus-domains.js
const NPMPLUS_DOMAINS = [
  // sankofa.nexus zone (placeholder - routes to Blockscout)
  { domain: 'sankofa.nexus', target: 'http://192.168.11.140:80', websocket: false },
  { domain: 'phoenix.sankofa.nexus', target: 'http://192.168.11.140:80', websocket: false },
  { domain: 'the-order.sankofa.nexus', target: 'http://192.168.11.140:80', websocket: false },
  
  // d-bis.org zone - RPC endpoints (UPDATED IPs)
  { domain: 'explorer.d-bis.org', target: 'http://192.168.11.140:4000', websocket: false },
  { domain: 'rpc-http-pub.d-bis.org', target: 'http://192.168.11.221:8545', websocket: true },
  { domain: 'rpc-ws-pub.d-bis.org', target: 'http://192.168.11.221:8546', websocket: true },
  { domain: 'rpc-http-prv.d-bis.org', target: 'http://192.168.11.211:8545', websocket: true },
  { domain: 'rpc-ws-prv.d-bis.org', target: 'http://192.168.11.211:8546', websocket: true },
  { domain: 'dbis-admin.d-bis.org', target: 'http://192.168.11.130:80', websocket: false },
  { domain: 'dbis-api.d-bis.org', target: 'http://192.168.11.155:3000', websocket: false },
  { domain: 'dbis-api-2.d-bis.org', target: 'http://192.168.11.156:3000', websocket: false },
  { domain: 'secure.d-bis.org', target: 'http://192.168.11.130:80', websocket: false },
  
  // mim4u.org zone
  { domain: 'mim4u.org', target: 'http://192.168.11.36:80', websocket: false },
  { domain: 'secure.mim4u.org', target: 'http://192.168.11.36:80', websocket: false },
  { domain: 'training.mim4u.org', target: 'http://192.168.11.36:80', websocket: false },
  
  // defi-oracle.io zone - ThirdWeb RPC
  { domain: 'rpc.public-0138.defi-oracle.io', target: 'https://192.168.11.240:443', websocket: true },
  { domain: 'rpc.defi-oracle.io', target: 'https://192.168.11.240:443', websocket: true },
  { domain: 'wss.defi-oracle.io', target: 'https://192.168.11.240:443', websocket: true },
];

// Extract domains from endpoints JSON
const endpointDomains = new Map();

for (const endpoint of endpointsData) {
  if (endpoint.domain && endpoint.domain.trim() !== '') {
    const domains = endpoint.domain.split(',').map(d => d.trim());
    for (const domain of domains) {
      if (!endpointDomains.has(domain)) {
        endpointDomains.set(domain, []);
      }
      endpointDomains.get(domain).push({
        vmid: endpoint.vmid,
        ip: endpoint.ip,
        port: endpoint.port,
        protocol: endpoint.protocol,
        service: endpoint.service,
        status: endpoint.status,
        endpoint: endpoint.endpoint
      });
    }
  }
}

// Parse NPMplus targets
const npmplusMap = new Map();
for (const config of NPMPLUS_DOMAINS) {
  const url = new URL(config.target);
  npmplusMap.set(config.domain, {
    target: config.target,
    ip: url.hostname,
    port: url.port || (url.protocol === 'https:' ? '443' : '80'),
    protocol: url.protocol.replace(':', ''),
    websocket: config.websocket
  });
}

// Compare
const comparison = {
  matches: [],
  mismatches: [],
  missingInNPMplus: [],
  missingInEndpoints: [],
  notes: []
};

// Check domains from endpoints
for (const [domain, endpoints] of endpointDomains) {
  const npmplusConfig = npmplusMap.get(domain);
  
  if (!npmplusConfig) {
    comparison.missingInNPMplus.push({
      domain,
      endpoints
    });
    continue;
  }
  
  // Find matching endpoint
  const matchingEndpoint = endpoints.find(ep => 
    ep.ip === npmplusConfig.ip && 
    ep.port === npmplusConfig.port
  );
  
  if (matchingEndpoint) {
    comparison.matches.push({
      domain,
      npmplus: npmplusConfig,
      endpoint: matchingEndpoint
    });
  } else {
    comparison.mismatches.push({
      domain,
      npmplus: npmplusConfig,
      endpoints: endpoints,
      issue: `IP/Port mismatch: NPMplus targets ${npmplusConfig.ip}:${npmplusConfig.port}, but endpoints show ${endpoints.map(e => `${e.ip}:${e.port}`).join(', ')}`
    });
  }
}

// Check domains in NPMplus but not in endpoints
for (const [domain, config] of npmplusMap) {
  if (!endpointDomains.has(domain)) {
    comparison.missingInEndpoints.push({
      domain,
      npmplus: config
    });
  }
}

// Generate report
console.log('');
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
console.log('📊 Endpoints vs NPMplus Comparison Report');
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
console.log('');

console.log(`📋 Summary:`);
console.log(`   ✅ Matches: ${comparison.matches.length}`);
console.log(`   ⚠️  Mismatches: ${comparison.mismatches.length}`);
console.log(`   ❌ Missing in NPMplus: ${comparison.missingInNPMplus.length}`);
console.log(`   ❌ Missing in Endpoints: ${comparison.missingInEndpoints.length}`);
console.log('');

// Matches
if (comparison.matches.length > 0) {
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
  console.log(`✅ MATCHES (${comparison.matches.length})`);
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
  console.log('');
  for (const match of comparison.matches) {
    console.log(`   ${match.domain}`);
    console.log(`      NPMplus: ${match.npmplus.target} ${match.npmplus.websocket ? '(WebSocket ✓)' : ''}`);
    console.log(`      Endpoint: ${match.endpoint.endpoint} (VMID ${match.endpoint.vmid}, ${match.endpoint.service})`);
    console.log('');
  }
}

// Mismatches
if (comparison.mismatches.length > 0) {
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
  console.log(`⚠️  MISMATCHES (${comparison.mismatches.length})`);
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
  console.log('');
  for (const mismatch of comparison.mismatches) {
    console.log(`   ${mismatch.domain}`);
    console.log(`      NPMplus: ${mismatch.npmplus.target}`);
    console.log(`      Issue: ${mismatch.issue}`);
    console.log(`      Available endpoints:`);
    for (const ep of mismatch.endpoints) {
      console.log(`        - ${ep.endpoint} (VMID ${ep.vmid}, ${ep.service}, ${ep.status})`);
    }
    console.log('');
  }
}

// Missing in NPMplus
if (comparison.missingInNPMplus.length > 0) {
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
  console.log(`❌ MISSING IN NPMPLUS (${comparison.missingInNPMplus.length})`);
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
  console.log('');
  console.log('   These domains exist in endpoints but are not configured in NPMplus:');
  console.log('');
  for (const missing of comparison.missingInNPMplus) {
    console.log(`   ${missing.domain}`);
    for (const ep of missing.endpoints) {
      console.log(`      - ${ep.endpoint} (VMID ${ep.vmid}, ${ep.service}, ${ep.status})`);
    }
    console.log('');
  }
}

// Missing in Endpoints
if (comparison.missingInEndpoints.length > 0) {
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
  console.log(`❌ MISSING IN ENDPOINTS (${comparison.missingInEndpoints.length})`);
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
  console.log('');
  console.log('   These domains are configured in NPMplus but not found in endpoints:');
  console.log('');
  for (const missing of comparison.missingInEndpoints) {
    console.log(`   ${missing.domain}`);
    console.log(`      NPMplus target: ${missing.npmplus.target}`);
    console.log('');
  }
}

// Export JSON
const fs = await import('fs');
const comparisonFile = join(PROJECT_ROOT, 'reports', 'endpoints-npmplus-comparison.json');
fs.writeFileSync(
  comparisonFile,
  JSON.stringify(comparison, null, 2)
);

console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
console.log(`📄 Detailed comparison saved to: reports/endpoints-npmplus-comparison.json`);
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
console.log('');