fix(daemon): Refactor shutdown initiation logic in daemon by moving the initiateShutdown and monitorDuringShutdown methods from the SNMP manager to the daemon, and update calls accordingly

ts/snmp/manager.ts

@@ -1,13 +1,9 @@
-import { exec } from 'child_process';
-import { promisify } from 'util';
 import * as dgram from 'dgram';
 import type { IOidSet, ISnmpConfig, TUpsModel, IUpsStatus } from './types.js';
 import { UpsOidSets } from './oid-sets.js';
 import { SnmpPacketCreator } from './packet-creator.js';
 import { SnmpPacketParser } from './packet-parser.js';
 
-const execAsync = promisify(exec);
-
 /**
  * Class for SNMP communication with UPS devices
  * Main entry point for SNMP functionality
@@ -507,26 +503,5 @@ export class NupstSnmp {
     });
   }
 
-  /**
-   * Initiate system shutdown
-   * @param reason Reason for shutdown
-   */
-  public async initiateShutdown(reason: string): Promise<void> {
-    console.log(`Initiating system shutdown due to: ${reason}`);
-    try {
-      // Execute shutdown command with 5 minute delay to allow for VM graceful shutdown
-      const { stdout } = await execAsync('shutdown -h +5 "UPS battery critical, shutting down in 5 minutes"');
-      console.log('Shutdown initiated:', stdout);
-      console.log('Allowing 5 minutes for VMs to shut down safely');
-    } catch (error) {
-      console.error('Failed to initiate shutdown:', error);
-      // Try a different method if first one fails
-      try {
-        console.log('Trying alternative shutdown method...');
-        await execAsync('poweroff --force');
-      } catch (innerError) {
-        console.error('All shutdown methods failed:', innerError);
-      }
-    }
-  }
+  // initiateShutdown method has been moved to the NupstDaemon class
 }