// GRU Advanced Stress Overlays Service
// Metaverse, quantum, and temporal compression stress overlays

import prisma from '@/shared/database/prisma';
import { Decimal } from '@prisma/client/runtime/library';
import { v4 as uuidv4 } from 'uuid';
import { logger } from '@/infrastructure/monitoring/logger';
import { gruStressAlgorithmsService } from './gru-stress-algorithms.service';


export interface MetaverseEconomicShockRequest {
  scenarioType?: string;
  avatarLiquidityExtraction?: Decimal;
  menOutageImpact?: Decimal;
  virtualRealArbitrageSurge?: Decimal;
  parameters?: Record<string, unknown>;
}

export interface QuantumStressOverlayRequest {
  quantumState?: string;
  coherenceLoss?: Decimal;
  entanglementBreakdown?: Decimal;
  parameters?: Record<string, unknown>;
}

export interface TemporalCompressionRequest {
  gruTPlusDelta?: Decimal;
  gruTMinusDelta?: Decimal;
  compressionCycles?: number;
  parameters?: Record<string, unknown>;
}

export class GruAdvancedOverlaysService {
  /**
   * Run metaverse economic shock scenarios
   */
  async runMetaverseEconomicShock(
    parameters: MetaverseEconomicShockRequest
  ): Promise<any> {
    logger.info('GRU Advanced Overlays: Running metaverse economic shock', {
      parameters,
    });

    const scenarioType =
      parameters.scenarioType || 'avatar_liquidity_extraction';

    let avatarLiquidityImpact = parameters.avatarLiquidityExtraction;
    let menOutageImpact = parameters.menOutageImpact;
    let arbitrageSurge = parameters.virtualRealArbitrageSurge;

    // Simulate impacts based on scenario type
    if (!avatarLiquidityImpact) {
      avatarLiquidityImpact = new Decimal(0.15); // 15% default impact
    }
    if (!menOutageImpact) {
      menOutageImpact = new Decimal(0.08); // 8% default impact
    }
    if (!arbitrageSurge) {
      arbitrageSurge = new Decimal(0.12); // 12% default surge
    }

    // Create metaverse stress test record
    const metaverseTestId = `METAVERSE-${uuidv4()}`;
    const metaverseTest = await prisma.gruMetaverseStressTest.create({
      data: {
        metaverseTestId,
        scenarioType,
        avatarLiquidityImpact,
        menOutageImpact,
        arbitrageSurge,
        testParameters: parameters.parameters || {},
        status: 'completed',
        testedAt: new Date(),
      },
    });

    logger.info('GRU Advanced Overlays: Metaverse economic shock completed', {
      metaverseTestId,
      scenarioType,
    });

    return {
      metaverseTestId,
      scenarioType,
      avatarLiquidityImpact,
      menOutageImpact,
      arbitrageSurge,
      status: 'completed',
    };
  }

  /**
   * Run quantum stress overlay
   */
  async runQuantumStressOverlay(
    parameters: QuantumStressOverlayRequest
  ): Promise<any> {
    logger.info('GRU Advanced Overlays: Running quantum stress overlay', {
      parameters,
    });

    const quantumState = parameters.quantumState || 'superposition';
    let coherenceLoss = parameters.coherenceLoss;
    let entanglementBreakdown = parameters.entanglementBreakdown;

    // Simulate quantum impacts
    if (!coherenceLoss) {
      coherenceLoss = new Decimal(0.05); // 5% coherence loss
    }
    if (!entanglementBreakdown) {
      entanglementBreakdown = new Decimal(0.03); // 3% entanglement breakdown
    }

    // Calculate total quantum impact
    const quantumImpact = coherenceLoss.plus(entanglementBreakdown);

    logger.info('GRU Advanced Overlays: Quantum stress overlay completed', {
      quantumState,
      quantumImpact: quantumImpact.toString(),
    });

    return {
      quantumState,
      coherenceLoss,
      entanglementBreakdown,
      quantumImpact,
      status: 'completed',
    };
  }

  /**
   * Run temporal compression test
   */
  async runTemporalCompressionTest(
    parameters: TemporalCompressionRequest
  ): Promise<any> {
    logger.info('GRU Advanced Overlays: Running temporal compression test', {
      parameters,
    });

    // Get GRU values for different timelines
    let gruTPlusDelta = parameters.gruTPlusDelta;
    let gruTMinusDelta = parameters.gruTMinusDelta;

    // If not provided, simulate values
    if (!gruTPlusDelta || !gruTMinusDelta) {
      // Simulate base GRU value
      const baseGru = new Decimal(1000);
      gruTPlusDelta = baseGru.times(1.05); // 5% future increase
      gruTMinusDelta = baseGru.times(0.97); // 3% past decrease
    }

    // Calculate temporal compression
    const compressionResult =
      gruStressAlgorithmsService.calculateTemporalCompression(
        gruTPlusDelta,
        gruTMinusDelta
      );

    logger.info('GRU Advanced Overlays: Temporal compression test completed', {
      temporalStress: compressionResult.temporalStress.toString(),
      deviation: compressionResult.deviation.toString(),
    });

    return {
      gruTPlusDelta,
      gruTMinusDelta,
      temporalStress: compressionResult.temporalStress,
      deviation: compressionResult.deviation,
      compressionRatio: compressionResult.compressionRatio,
      status: 'completed',
    };
  }

  /**
   * Run all advanced overlays for a stress test
   */
  async runAllAdvancedOverlays(testId?: string): Promise<any> {
    logger.info('GRU Advanced Overlays: Running all advanced overlays', {
      testId,
    });

    const results: any = {};

    // Run metaverse shock
    results.metaverse = await this.runMetaverseEconomicShock({});

    // Run quantum overlay
    results.quantum = await this.runQuantumStressOverlay({});

    // Run temporal compression
    results.temporal = await this.runTemporalCompressionTest({});

    // If testId provided, link metaverse test to stress test
    if (testId) {
      const test = await prisma.gru_stress_tests.findUnique({
        where: { testId },
      });

      if (test) {
        await prisma.gruMetaverseStressTest.updateMany({
          where: { metaverseTestId: results.metaverse.metaverseTestId },
          data: { testId: test.id },
        });
      }
    }

    logger.info('GRU Advanced Overlays: All advanced overlays completed', {
      testId,
      resultsCount: Object.keys(results).length,
    });

    return results;
  }

  /**
   * Get metaverse stress test by ID
   */
  async getMetaverseStressTest(metaverseTestId: string) {
    return await prisma.gruMetaverseStressTest.findUnique({
      where: { metaverseTestId },
      include: {
        test: true,
      },
    });
  }

  /**
   * Get metaverse stress tests by scenario type
   */
  async getMetaverseStressTestsByScenario(scenarioType: string) {
    return await prisma.gruMetaverseStressTest.findMany({
      where: { scenarioType },
      orderBy: { testedAt: 'desc' },
    });
  }
}

export const gruAdvancedOverlaysService = new GruAdvancedOverlaysService();

