// Metaverse Economic Node (MEN) Service
// Each metaverse instance gets settlement endpoint, CBDC/GRU on/off ramps, digital identity linkage, asset tokenization

import prisma from '@/shared/database/prisma';
import { Decimal } from '@prisma/client/runtime/library';
import { v4 as uuidv4 } from 'uuid';
import { logger } from '@/infrastructure/monitoring/logger';


export interface MetaverseNodeRequest {
  metaverseName: string; // e.g., "MetaverseDubai"
  metaverseType: 'sovereign' | 'private' | 'hybrid';
  settlementEndpoint: string;
  cbdcOnRampEnabled: boolean;
  gruOnRampEnabled: boolean;
  identityLayer: 'L3' | 'L4'; // ILIE identity layers
  assetTokenizationEnabled: boolean;
}

export interface MetaverseNodeResult {
  nodeId: string;
  metaverseName: string;
  settlementEndpoint: string;
  status: string;
}

export class MetaverseNodeService {
  /**
   * Create Metaverse Economic Node (MEN)
   * Each metaverse instance gets:
   * - Settlement endpoint
   * - CBDC/GRU on/off ramps
   * - Digital identity linkage (ILIE)
   * - Asset tokenization layer
   */
  async createMetaverseNode(
    request: MetaverseNodeRequest
  ): Promise<MetaverseNodeResult> {
    logger.info('Metaverse: Creating Economic Node', { request });

    const nodeId = `MEN-${uuidv4()}`;

    const node = await prisma.metaverseNode.create({
      data: {
        nodeId,
        metaverseName: request.metaverseName,
        metaverseType: request.metaverseType,
        settlementEndpoint: request.settlementEndpoint,
        cbdcOnRampEnabled: request.cbdcOnRampEnabled,
        cbdcOffRampEnabled: request.cbdcOnRampEnabled, // Same as on-ramp
        gruOnRampEnabled: request.gruOnRampEnabled,
        gruOffRampEnabled: request.gruOnRampEnabled, // Same as on-ramp
        identityLayer: request.identityLayer,
        assetTokenizationEnabled: request.assetTokenizationEnabled,
        status: 'active',
      },
    });

    logger.info('Metaverse: Economic Node created', { nodeId });

    return {
      nodeId,
      metaverseName: node.metaverseName,
      settlementEndpoint: node.settlementEndpoint,
      status: node.status,
    };
  }

  /**
   * Get metaverse node by ID
   */
  async getMetaverseNode(nodeId: string) {
    return await prisma.metaverseNode.findUnique({
      where: { nodeId },
      include: {
        settlements: true,
        identities: true,
        assets: true,
      },
    });
  }

  /**
   * Get all metaverse nodes
   */
  async getAllMetaverseNodes() {
    return await prisma.metaverseNode.findMany({
      where: { status: 'active' },
      orderBy: { createdAt: 'desc' },
    });
  }

  /**
   * Update metaverse node
   */
  async updateMetaverseNode(
    nodeId: string,
    updates: Partial<MetaverseNodeRequest>
  ) {
    return await prisma.metaverseNode.update({
      where: { nodeId },
      data: {
        ...(updates.settlementEndpoint && {
          settlementEndpoint: updates.settlementEndpoint,
        }),
        ...(updates.cbdcOnRampEnabled !== undefined && {
          cbdcOnRampEnabled: updates.cbdcOnRampEnabled,
          cbdcOffRampEnabled: updates.cbdcOnRampEnabled,
        }),
        ...(updates.gruOnRampEnabled !== undefined && {
          gruOnRampEnabled: updates.gruOnRampEnabled,
          gruOffRampEnabled: updates.gruOnRampEnabled,
        }),
        ...(updates.identityLayer && { identityLayer: updates.identityLayer }),
        ...(updates.assetTokenizationEnabled !== undefined && {
          assetTokenizationEnabled: updates.assetTokenizationEnabled,
        }),
      },
    });
  }
}

export const metaverseNodeService = new MetaverseNodeService();

