// DBIS Admin Console - Network Controls Service
// Subsystem quiesce, kill-switches, incident escalation

import { logger } from '@/infrastructure/monitoring/logger';
import { adminAuditService } from '@/core/admin/shared/admin-audit.service';
import { AdminPermission } from '@/core/admin/shared/permissions.constants';

export interface SubsystemQuiesceRequest {
  subsystem: string; // GAS, QPS, Ω-Layer, GPN, GRU Engine, Metaverse MEN, 6G Edge Grid
  action: 'quiesce' | 'resume';
  reason: string;
}

export interface KillSwitchRequest {
  scope: 'global' | 'scb' | 'corridor';
  targetId?: string; // SCB ID or corridor ID if scope is not global
  reason: string;
}

export interface IncidentEscalation {
  incidentId: string;
  priority: 'low' | 'medium' | 'high' | 'critical';
  assignTo?: string;
  notes?: string;
}

export class NetworkControlsService {
  /**
   * Quiesce or resume subsystem
   */
  async quiesceSubsystem(
    employeeId: string,
    request: SubsystemQuiesceRequest
  ): Promise<{ success: boolean; message: string }> {
    await adminAuditService.logAction({
      employeeId,
      action: request.action === 'quiesce' ? 'quiesce_subsystem' : 'resume_subsystem',
      permission: AdminPermission.NETWORK_QUIESCE_SUBSYSTEM,
      resourceType: 'network_subsystem',
      resourceId: request.subsystem,
      metadata: request as Record<string, unknown>,
    });

    // Would integrate with actual subsystem control
    logger.warn('Subsystem quiesce/resume', {
      employeeId,
      request,
    });

    return {
      success: true,
      message: `Subsystem ${request.subsystem} ${request.action === 'quiesce' ? 'quiesced' : 'resumed'}`,
    };
  }

  /**
   * Activate kill switch
   */
  async activateKillSwitch(
    employeeId: string,
    request: KillSwitchRequest
  ): Promise<{ success: boolean; killSwitchId: string }> {
    await adminAuditService.logAction({
      employeeId,
      action: 'activate_kill_switch',
      permission: AdminPermission.NETWORK_KILL_SWITCH,
      resourceType: 'network',
      resourceId: request.targetId || 'global',
      metadata: request as Record<string, unknown>,
    });

    // Critical action - would require additional confirmation in production
    logger.error('KILL SWITCH ACTIVATED', {
      employeeId,
      request,
    });

    return {
      success: true,
      killSwitchId: `killswitch-${Date.now()}`,
    };
  }

  /**
   * Escalate incident
   */
  async escalateIncident(
    employeeId: string,
    escalation: IncidentEscalation
  ): Promise<{ success: boolean }> {
    await adminAuditService.logAction({
      employeeId,
      action: 'escalate_incident',
      permission: AdminPermission.NETWORK_ESCALATE_INCIDENT,
      resourceType: 'incident',
      resourceId: escalation.incidentId,
      metadata: escalation,
    });

    logger.info('Incident escalated', {
      employeeId,
      escalation,
    });

    return { success: true };
  }
}

export const networkControlsService = new NetworkControlsService();

