/**
 * Example: Using MCP ProcFS Server as a library
 */

import { ProcFSReader, ProcFSWriter } from '../src/index';

async function main() {
  const reader = new ProcFSReader();
  const writer = new ProcFSWriter();

  console.log('=== System Information ===\n');

  // Get CPU information
  const cpuInfo = await reader.getCPUInfo();
  console.log('CPU Information:');
  console.log(`  Model: ${cpuInfo.model}`);
  console.log(`  Cores: ${cpuInfo.cores}`);
  console.log(`  Processors: ${cpuInfo.processors}`);
  console.log(`  MHz: ${cpuInfo.mhz}`);
  console.log();

  // Get memory information
  const memInfo = await reader.getMemInfo();
  console.log('Memory Information:');
  console.log(`  Total: ${(memInfo.total / 1024).toFixed(2)} GB`);
  console.log(`  Free: ${(memInfo.free / 1024).toFixed(2)} GB`);
  console.log(`  Available: ${(memInfo.available / 1024).toFixed(2)} GB`);
  console.log(`  Cached: ${(memInfo.cached / 1024).toFixed(2)} GB`);
  console.log();

  // Get load average
  const loadAvg = await reader.getLoadAvg();
  console.log('Load Average:');
  console.log(`  1 min: ${loadAvg.one}`);
  console.log(`  5 min: ${loadAvg.five}`);
  console.log(`  15 min: ${loadAvg.fifteen}`);
  console.log(`  Running/Total: ${loadAvg.runningProcesses}/${loadAvg.totalProcesses}`);
  console.log();

  // Get network statistics
  const netStats = await reader.getNetDevStats();
  console.log('Network Interfaces:');
  for (const iface of netStats) {
    console.log(`  ${iface.interface}:`);
    console.log(`    RX: ${(iface.rxBytes / 1024 / 1024).toFixed(2)} MB`);
    console.log(`    TX: ${(iface.txBytes / 1024 / 1024).toFixed(2)} MB`);
  }
  console.log();

  // Get disk statistics
  const diskStats = await reader.getDiskStats();
  console.log('Disk Devices:');
  for (const disk of diskStats.slice(0, 5)) {
    if (disk.readsCompleted > 0 || disk.writesCompleted > 0) {
      console.log(`  ${disk.device}:`);
      console.log(`    Reads: ${disk.readsCompleted}`);
      console.log(`    Writes: ${disk.writesCompleted}`);
    }
  }
  console.log();

  // List some processes
  const pids = await reader.listPIDs();
  console.log(`Total Processes: ${pids.length}`);
  console.log('\nFirst 5 processes:');
  for (const pid of pids.slice(0, 5)) {
    try {
      const procInfo = await reader.getProcessInfo(pid);
      console.log(`  PID ${procInfo.pid}: ${procInfo.name} (${procInfo.state})`);
    } catch (error) {
      // Process may have terminated
    }
  }
  console.log();

  // Read a sysctl parameter (example)
  try {
    const param = await writer.readSysctl('kernel.hostname');
    console.log('Sysctl Parameter:');
    console.log(`  kernel.hostname = ${param.value}`);
    console.log();
  } catch (error) {
    console.log('Could not read sysctl parameter');
  }

  console.log('=== Example Complete ===');
}

main().catch(console.error);