// DBIS Hyper-Sovereign Monetary Nexus - Quantum Nexus (HS4)
// Stabilizes probabilistic sovereign outcomes

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


export interface QuantumState {
  sovereignBankId: string;
  probabilityState: string;
  coherenceLevel: number;
  superpositionValue: number;
}

export class HsmnQuantumService {
  /**
   * Get Quantum Nexus (HS4)
   */
  async getQuantumNexus() {
    return await prisma.hsmn_nexus_layers.findFirst({
      where: {
        layerNumber: 4,
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
      include: {
        hsmn_reality_states: {
          where: { status: 'active' },
        },
      },
    });
  }

  /**
   * Initialize Quantum Nexus
   */
  async initializeQuantumNexus() {
    const nexusId = `HSMN-HS4-${uuidv4()}`;

    const existing = await prisma.hsmn_nexus_layers.findFirst({
      where: { layerNumber: 4, status: 'active' },
    });

    if (existing) {
      return existing;
    }

    return await prisma.hsmn_nexus_layers.create({
      data: {
        id: uuidv4(),
        id: uuidv4(),
        nexusId,
        layerNumber: 4,
        layerName: 'Quantum Nexus',
        description: 'Stabilizes probabilistic sovereign outcomes',
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
    });
  }

  /**
   * Register quantum state
   */
  async registerQuantumState(
    sovereignBankId: string,
    probabilityState: string,
    coherenceLevel: number,
    superpositionValue: number
  ) {
    const stateId = `HSMN-QUANT-${uuidv4()}`;
    const nexus = await this.getQuantumNexus();

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

    return await prisma.hsmn_reality_states.create({
      data: {
        id: uuidv4(),
        stateId,
        nexusLayerId: nexus.id,
        sovereignBankId,
        realityType: 'quantum',
        stateData: {
          probabilityState,
          coherenceLevel,
          superpositionValue,
        },
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
    });
  }

  /**
   * Check quantum coherence
   */
  async checkQuantumCoherence(sovereignBankId: string) {
    const nexus = await this.getQuantumNexus();
    if (!nexus) {
      return { coherent: false, coherenceLevel: 0 };
    }

    const states = await prisma.hsmn_reality_states.findMany({
      where: {
        nexusLayerId: nexus.id,
        sovereignBankId,
        realityType: 'quantum',
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
    });

    if (states.length === 0) {
      return { coherent: false, coherenceLevel: 0 };
    }

    const coherenceLevels = states.map((s) => {
      const data = s.stateData as { coherenceLevel?: number };
      return data.coherenceLevel || 0;
    });

    const avgCoherence = coherenceLevels.reduce((a, b) => a + b, 0) / coherenceLevels.length;

    return {
      coherent: avgCoherence >= 0.7,
      coherenceLevel: avgCoherence,
      stateCount: states.length,
    };
  }

  /**
   * Get quantum states for sovereign
   */
  async getQuantumStates(sovereignBankId: string) {
    const nexus = await this.getQuantumNexus();
    if (!nexus) {
      return [];
    }

    return await prisma.hsmn_reality_states.findMany({
      where: {
        nexusLayerId: nexus.id,
        sovereignBankId,
        realityType: 'quantum',
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
    });
  }
}

export const hsmnQuantumService = new HsmnQuantumService();

