// DBIS Hyper-Sovereign Monetary Nexus - Multiversal Sovereign Nexus (HS1)
// Maps SCBs across infinite parallel branches

import prisma from '@/shared/database/prisma';
import { v4 as uuidv4 } from 'uuid';


export interface MultiversalSovereignMapping {
  sovereignBankId: string;
  realityBranch: string;
  parallelState: string;
  identityHash: string;
  bindingStatus: string;
}

export class HsmnMultiversalService {
  /**
   * Get Multiversal Sovereign Nexus (HS1)
   */
  async getMultiversalNexus() {
    return await prisma.hsmn_nexus_layers.findFirst({
      where: {
        layerNumber: 1,
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
      include: {
        hsmn_sovereign_mappings: {
          where: { status: 'active' },
        },
      },
    });
  }

  /**
   * Initialize Multiversal Sovereign Nexus
   */
  async initializeMultiversalNexus() {
    const nexusId = `HSMN-HS1-${uuidv4()}`;

    const existing = await prisma.hsmn_nexus_layers.findFirst({
      where: { layerNumber: 1, status: 'active' },
    });

    if (existing) {
      return existing;
    }

    return await prisma.hsmn_nexus_layers.create({
      data: {
        id: uuidv4(),
        nexusId,
        layerNumber: 1,
        layerName: 'Multiversal Sovereign Nexus',
        description: 'Maps SCBs across infinite parallel branches',
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
    });
  }

  /**
   * Map sovereign to parallel reality branch
   */
  async mapSovereignToBranch(
    sovereignBankId: string,
    realityBranch: string,
    parallelState: string,
    identityHash: string
  ) {
    const mappingId = `HSMN-MAP-${uuidv4()}`;
    const nexus = await this.getMultiversalNexus();

    if (!nexus) {
      throw new Error('Multiversal Nexus not initialized');
    }

    return await prisma.hsmn_sovereign_mappings.create({
      data: {
        id: uuidv4(),
        mappingId,
        nexusLayerId: nexus.id,
        sovereignBankId,
        realityBranch,
        parallelState,
        identityHash,
        bindingStatus: 'bound',
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
    });
  }

  /**
   * Get all sovereign mappings for a reality branch
   */
  async getSovereignMappingsByBranch(realityBranch: string) {
    const nexus = await this.getMultiversalNexus();
    if (!nexus) {
      return [];
    }

    return await prisma.hsmn_sovereign_mappings.findMany({
      where: {
        nexusLayerId: nexus.id,
        realityBranch,
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
    });
  }

  /**
   * Verify sovereign identity across parallel branches
   */
  async verifySovereignIdentity(sovereignBankId: string, identityHash: string) {
    const mappings = await prisma.hsmn_sovereign_mappings.findMany({
      where: {
        sovereignBankId,
        identityHash,
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
    });

    return mappings.length > 0;
  }
}

export const hsmnMultiversalService = new HsmnMultiversalService();

