// Identity Coherence Service
// Identity coherence checks across metaverse realities
// Supplement B: MetaverseDubai Integration Framework

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


export interface IdentityCoherenceRequest {
  metaverseNodeId: string;
  avatarId: string;
  identityLayer: 'L3' | 'L4';
}

export interface IdentityCoherenceResult {
  coherent: boolean;
  identityHash: string;
  layers: string[];
}

export class IdentityCoherenceService {
  /**
   * Check identity coherence across metaverse realities
   */
  async checkIdentityCoherence(
    request: IdentityCoherenceRequest
  ): Promise<IdentityCoherenceResult> {
    logger.info('Identity Coherence: Checking identity coherence', { request });

    // Get avatar identity
    const identity = await prisma.metaverseIdentity.findFirst({
      where: {
        metaverseNodeId: request.metaverseNodeId,
        avatarId: request.avatarId,
        identityLayer: request.identityLayer,
        status: 'active',
      },
    });

    if (!identity) {
      throw new Error(
        `Identity not found: ${request.avatarId} (${request.identityLayer})`
      );
    }

    // Check coherence across layers
    const layers = [identity.identityLayer];
    const coherent = identity.status === 'active' && identity.identityHash !== null;

    logger.info('Identity Coherence: Identity coherence checked', {
      avatarId: request.avatarId,
      coherent,
    });

    return {
      coherent,
      identityHash: identity.identityHash,
      layers,
    };
  }
}

export const identityCoherenceService = new IdentityCoherenceService();

