// DBIS Admin Console - Metaverse & Edge Service
// Metaverse Nodes (MEN), 6G Edge GPU Grid

import prisma from '@/shared/database/prisma';
import { logger } from '@/infrastructure/monitoring/logger';

export interface MetaverseNode {
  nodeId: string;
  nodeName: string;
  location: string;
  status: 'active' | 'degraded' | 'down';
  activeVolumes: number;
  onRamps: Array<{
    scbId: string;
    enabled: boolean;
    volume24h: number;
  }>;
  kycEnforcementLevel: 'low' | 'medium' | 'high';
  limits: {
    dailyLimit: number;
    perTransactionLimit: number;
  };
}

export interface EdgeNode {
  regionId: string;
  regionName: string;
  nodeCount: number;
  occupancy: number; // 0-100
  latency: number;
  priority: 'settlement' | 'rendering' | 'balanced';
  status: 'active' | 'quarantined' | 'draining';
}

export interface MetaverseEdgeDashboard {
  metaverseNodes: MetaverseNode[];
  edgeNodes: EdgeNode[];
}

export class MetaverseEdgeService {
  /**
   * Get Metaverse & Edge dashboard
   */
  async getMetaverseEdgeDashboard(): Promise<MetaverseEdgeDashboard> {
    const [metaverseNodes, edgeNodes] = await Promise.all([
      this.getMetaverseNodes(),
      this.getEdgeNodes(),
    ]);

    return { metaverseNodes, edgeNodes };
  }

  /**
   * Get Metaverse nodes
   */
  async getMetaverseNodes(): Promise<MetaverseNode[]> {
    // Placeholder - would integrate with actual metaverse system
    const nodes: MetaverseNode[] = [
      {
        nodeId: 'metaverse-dubai',
        nodeName: 'MetaverseDubai',
        location: 'Dubai',
        status: 'active',
        activeVolumes: 0,
        onRamps: [],
        kycEnforcementLevel: 'medium',
        limits: {
          dailyLimit: 1000000,
          perTransactionLimit: 10000,
        },
      },
    ];

    // Get SCBs to populate on-ramps
    const scbs = await prisma.sovereignBank.findMany({
      where: { status: 'active' },
      take: 10,
    });

    nodes.forEach((node) => {
      node.onRamps = scbs.map((scb) => ({
        scbId: scb.id,
        enabled: true,
        volume24h: 0, // Would calculate from actual transactions
      }));
    });

    return nodes;
  }

  /**
   * Get 6G Edge GPU Grid nodes
   */
  async getEdgeNodes(): Promise<EdgeNode[]> {
    // Placeholder - would integrate with actual edge compute system
    // 325 region nodes as mentioned in spec
    const regions = [
      { id: 'region-001', name: 'North America East', nodeCount: 25 },
      { id: 'region-002', name: 'North America West', nodeCount: 20 },
      { id: 'region-003', name: 'Europe Central', nodeCount: 30 },
      { id: 'region-004', name: 'Asia Pacific', nodeCount: 40 },
      { id: 'region-005', name: 'Middle East', nodeCount: 15 },
      // ... would have 325 total
    ];

    return regions.map((region) => ({
      regionId: region.id,
      regionName: region.name,
      nodeCount: region.nodeCount,
      occupancy: Math.random() * 100, // Placeholder
      latency: Math.random() * 100, // Placeholder
      priority: 'balanced' as const,
      status: 'active' as const,
    }));
  }
}

export const metaverseEdgeService = new MetaverseEdgeService();

