// DBIS Hyper-Sovereign Monetary Nexus - Temporal Nexus (HS2)
// Aligns sovereigns across inconsistent timelines

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


export interface TemporalAlignment {
  sovereignBankId: string;
  timeline: string;
  temporalState: string;
  consistencyLevel: number;
}

export class HsmnTemporalService {
  /**
   * Get Temporal Nexus (HS2)
   */
  async getTemporalNexus() {
    return await prisma.hsmn_nexus_layers.findFirst({
      where: {
        layerNumber: 2,
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
      include: {
        hsmn_reality_states: {
          where: { status: 'active' },
        },
      },
    });
  }

  /**
   * Initialize Temporal Nexus
   */
  async initializeTemporalNexus() {
    const nexusId = `HSMN-HS2-${uuidv4()}`;

    const existing = await prisma.hsmn_nexus_layers.findFirst({
      where: { layerNumber: 2, status: 'active' },
    });

    if (existing) {
      return existing;
    }

    return await prisma.hsmn_nexus_layers.create({
      data: {
        id: uuidv4(),
        id: uuidv4(),
        nexusId,
        layerNumber: 2,
        layerName: 'Temporal Nexus',
        description: 'Aligns sovereigns across inconsistent timelines',
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
    });
  }

  /**
   * Register temporal state for sovereign
   */
  async registerTemporalState(
    sovereignBankId: string,
    timeline: string,
    temporalState: string,
    consistencyLevel: number
  ) {
    const stateId = `HSMN-TEMP-${uuidv4()}`;
    const nexus = await this.getTemporalNexus();

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

    return await prisma.hsmn_reality_states.create({
      data: {
        id: uuidv4(),
        stateId,
        nexusLayerId: nexus.id,
        sovereignBankId,
        realityType: 'temporal',
        timeline,
        stateData: {
          temporalState,
          consistencyLevel,
        },
        status: 'active',
        createdAt: new Date(),
        updatedAt: new Date(),
      },
    });
  }

  /**
   * Check temporal consistency across timelines
   */
  async checkTemporalConsistency(sovereignBankId: string) {
    const nexus = await this.getTemporalNexus();
    if (!nexus) {
      return { consistent: false, inconsistencies: [] };
    }

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

    const inconsistencies: string[] = [];
    const consistencyLevels = states.map((s) => {
      const data = s.stateData as { consistencyLevel?: number };
      return data.consistencyLevel || 0;
    });

    const avgConsistency = consistencyLevels.reduce((a, b) => a + b, 0) / consistencyLevels.length;

    if (avgConsistency < 0.8) {
      inconsistencies.push('Low temporal consistency detected');
    }

    return {
      consistent: inconsistencies.length === 0,
      inconsistencies,
      averageConsistency: avgConsistency,
    };
  }

  /**
   * Get all temporal states for sovereign
   */
  async getTemporalStates(sovereignBankId: string) {
    const nexus = await this.getTemporalNexus();
    if (!nexus) {
      return [];
    }

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

export const hsmnTemporalService = new HsmnTemporalService();

