// DBIS Singularity-Grade Liquidity Engine - Main Engine
// Ensures liquidity sufficiency across infinite states, during quantum events, in post-singularity economic environments, and across evolving temporal branches

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


export interface LiquidityProjectionRequest {
  qpuPrediction: number;
  multiversalReserveStrength: number;
  consciousnessAlignmentFactor: number;
  timeHorizon: number; // in seconds
}

export interface LiquidityProjection {
  projectionId: string;
  futureLiquidity: number;
  currentLiquidity: number;
  gap: number;
  sufficiency: boolean;
}

export class SgleEngineService {
  /**
   * Project future liquidity for singularity-grade operations
   * future_liquidity_singularity = QPU_prediction + multiversal_reserve_strength + consciousness_alignment_factor
   */
  async projectFutureLiquidity(request: LiquidityProjectionRequest): Promise<LiquidityProjection> {
    const projectionId = `SGLE-PROJ-${uuidv4()}`;

    const qpuPrediction = new Decimal(request.qpuPrediction);
    const multiversalReserveStrength = new Decimal(request.multiversalReserveStrength);
    const consciousnessAlignmentFactor = new Decimal(request.consciousnessAlignmentFactor);

    // Calculate future liquidity
    const futureLiquidity = qpuPrediction
      .plus(multiversalReserveStrength)
      .plus(consciousnessAlignmentFactor);

    // Get current liquidity (simplified - in production would query actual reserves)
    const currentLiquidity = new Decimal(0); // Placeholder

    // Calculate gap
    const gap = futureLiquidity.minus(currentLiquidity);

    // Check sufficiency (gap should be positive or near zero)
    const sufficiency = gap.greaterThanOrEqualTo(0);

    // Store projection
    const projection = await prisma.liquidityProjection.create({
      data: {
        projectionId,
        qpuPrediction: qpuPrediction,
        multiversalReserveStrength: multiversalReserveStrength,
        consciousnessAlignmentFactor: consciousnessAlignmentFactor,
        futureLiquidity: futureLiquidity,
        currentLiquidity: currentLiquidity,
        liquidityGap: gap,
        timeHorizon: request.timeHorizon,
        sufficiency,
        status: 'calculated',
      },
    });

    return {
      projectionId,
      futureLiquidity: futureLiquidity.toNumber(),
      currentLiquidity: currentLiquidity.toNumber(),
      gap: gap.toNumber(),
      sufficiency,
    };
  }

  /**
   * Get projection by ID
   */
  async getProjection(projectionId: string) {
    return await prisma.liquidityProjection.findUnique({
      where: { projectionId },
      include: {
        gaps: {
          orderBy: { createdAt: 'desc' },
        },
      },
    });
  }

  /**
   * Get all projections
   */
  async getAllProjections() {
    return await prisma.liquidityProjection.findMany({
      where: { status: 'calculated' },
      orderBy: { createdAt: 'desc' },
    });
  }

  /**
   * Get projections with liquidity gaps
   */
  async getProjectionsWithGaps() {
    return await prisma.liquidityProjection.findMany({
      where: {
        sufficiency: false,
        status: 'calculated',
      },
      orderBy: { createdAt: 'desc' },
    });
  }
}

export const sgleEngineService = new SgleEngineService();

