// DBIS Prime-Reality Oversight Engine - Oversight Service
// Prevents harmful divergence between Prime Reality and parallel states, quantum states, temporal branches, and simulated realms

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


export interface DeviationCheckRequest {
  realityType: string; // parallel, quantum, temporal, simulated
  realityId: string;
  primeRealityState: number;
  alternateRealityState: number;
  threshold: number;
}

export interface DeviationResult {
  deviationId: string;
  realityType: string;
  realityId: string;
  deviationAmount: number;
  exceedsThreshold: boolean;
  requiresAlignment: boolean;
}

export class ProeOversightService {
  /**
   * Detect deviation from Prime Reality
   * if deviation > threshold: enforce_prime_reality_alignment()
   */
  async detectDeviation(request: DeviationCheckRequest): Promise<DeviationResult> {
    const deviationId = `PROE-DEV-${uuidv4()}`;

    const primeState = new Decimal(request.primeRealityState);
    const alternateState = new Decimal(request.alternateRealityState);
    const threshold = new Decimal(request.threshold);

    // Calculate deviation
    const deviationAmount = alternateState.minus(primeState).abs();

    const exceedsThreshold = deviationAmount.greaterThan(threshold);
    const requiresAlignment = exceedsThreshold;

    // Store deviation
    const deviation = await prisma.primeRealityDeviation.create({
      data: {
        deviationId,
        realityType: request.realityType,
        realityId: request.realityId,
        primeRealityState: primeState,
        alternateRealityState: alternateState,
        deviationAmount: deviationAmount,
        threshold: threshold,
        exceedsThreshold,
        requiresAlignment,
        status: 'detected',
      },
    });

    return {
      deviationId,
      realityType: request.realityType,
      realityId: request.realityId,
      deviationAmount: deviationAmount.toNumber(),
      exceedsThreshold,
      requiresAlignment,
    };
  }

  /**
   * Get deviation by ID
   */
  async getDeviation(deviationId: string) {
    return await prisma.primeRealityDeviation.findUnique({
      where: { deviationId },
      include: {
        alignments: {
          orderBy: { createdAt: 'desc' },
        },
      },
    });
  }

  /**
   * Get all active deviations
   */
  async getActiveDeviations() {
    return await prisma.primeRealityDeviation.findMany({
      where: {
        status: 'detected',
        requiresAlignment: true,
      },
      orderBy: { createdAt: 'desc' },
    });
  }

  /**
   * Get deviations by reality type
   */
  async getDeviationsByType(realityType: string) {
    return await prisma.primeRealityDeviation.findMany({
      where: {
        realityType,
        status: 'detected',
      },
      orderBy: { createdAt: 'desc' },
    });
  }

  /**
   * Monitor all realities for deviation
   */
  async monitorAllRealities(threshold: number = 0.1) {
    // Get all reality states
    const realityStates = await prisma.realityState.findMany({
      where: { status: 'active' },
    });

    // Get prime reality state
    const primeReality = await prisma.realityState.findFirst({
      where: {
        realityType: 'prime',
        status: 'active',
      },
    });

    if (!primeReality) {
      return [];
    }

    const primeState = (primeReality.stateData as { value?: number })?.value || 0;
    const results: DeviationResult[] = [];

    for (const state of realityStates) {
      if (state.realityType === 'prime') {
        continue;
      }

      const alternateState = (state.stateData as { value?: number })?.value || 0;

      const result = await this.detectDeviation({
        realityType: state.realityType,
        realityId: state.realityId,
        primeRealityState: primeState,
        alternateRealityState: alternateState,
        threshold,
      });

      if (result.exceedsThreshold) {
        results.push(result);
      }
    }

    return results;
  }
}

export const proeOversightService = new ProeOversightService();

