// GRU Interoperability Service
// GRU Banking Operations Manual - Interoperability

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


export interface SWIFTRoutingRequest {
  transactionId: string;
  messageType: string;
  amount: string;
  currencyCode: string;
}

export interface MetaverseRoutingRequest {
  transactionId: string;
  metaverseId: string;
  amount: string;
  currencyCode: string;
}

export interface CommodityDLTRoutingRequest {
  transactionId: string;
  commodityType: string;
  amount: string;
}

export interface QuantumMarketsRoutingRequest {
  transactionId: string;
  marketType: string;
  amount: string;
  currencyCode: string;
}

export interface ConversionRequest {
  sourceAmount: string;
  sourceCurrency: string;
  targetCurrency: string;
}

export interface RoutingResult {
  routingId: string;
  status: string;
  targetSystem?: string;
}

export interface ConversionResult {
  conversionId: string;
  sourceAmount: string;
  targetAmount: string;
  exchangeRate: string;
}

export class GruInteroperabilityService {
  /**
   * Route to SWIFT/ISO 20022 via QPS
   */
  async routeToSWIFT(
    request: SWIFTRoutingRequest
  ): Promise<RoutingResult> {
    const routingId = `GRU-SWIFT-${uuidv4()}`;

    try {
      // In production, this would route through Quantum Proxy Server (QPS) to SWIFT/ISO 20022
      // For now, create placeholder
      return {
        routingId,
        status: 'routed',
        targetSystem: 'SWIFT',
      };
    } catch (error: any) {
      throw new Error(`SWIFT routing failed: ${error.message}`);
    }
  }

  /**
   * Route to Metaverse Dubai MEN
   */
  async routeToMetaverse(
    request: MetaverseRoutingRequest
  ): Promise<RoutingResult> {
    const routingId = `GRU-METAVERSE-${uuidv4()}`;

    try {
      // In production, this would route to Metaverse Dubai MEN
      return {
        routingId,
        status: 'routed',
        targetSystem: 'MetaverseDubai',
      };
    } catch (error: any) {
      throw new Error(`Metaverse routing failed: ${error.message}`);
    }
  }

  /**
   * Route to Commodity DLT
   */
  async routeToCommodityDLT(
    request: CommodityDLTRoutingRequest
  ): Promise<RoutingResult> {
    const routingId = `GRU-COMMODITY-DLT-${uuidv4()}`;

    try {
      // In production, this would route to commodity DLT networks
      return {
        routingId,
        status: 'routed',
        targetSystem: 'CommodityDLT',
      };
    } catch (error: any) {
      throw new Error(`Commodity DLT routing failed: ${error.message}`);
    }
  }

  /**
   * Route to Quantum markets
   */
  async routeToQuantumMarkets(
    request: QuantumMarketsRoutingRequest
  ): Promise<RoutingResult> {
    const routingId = `GRU-QUANTUM-${uuidv4()}`;

    try {
      // In production, this would route to quantum markets
      return {
        routingId,
        status: 'routed',
        targetSystem: 'QuantumMarkets',
      };
    } catch (error: any) {
      throw new Error(`Quantum markets routing failed: ${error.message}`);
    }
  }

  /**
   * Convert GRU → XAU → FX
   */
  async convertGRUToXAU(
    request: ConversionRequest
  ): Promise<ConversionResult> {
    const conversionId = `GRU-XAU-${uuidv4()}`;

    try {
      // Get XAU index value
      const xauIndex = await prisma.gru_indexes.findUnique({
        where: { indexCode: 'LiXAU' },
      });

      if (!xauIndex) {
        throw new Error('XAU index not found');
      }

      const sourceAmount = new Decimal(request.sourceAmount);
      const xauRate = xauIndex.currentValue;
      const targetAmount = sourceAmount.times(xauRate);

      // In production, this would then convert XAU to target FX currency
      // For now, return XAU conversion
      return {
        conversionId,
        sourceAmount: sourceAmount.toString(),
        targetAmount: targetAmount.toString(),
        exchangeRate: xauRate.toString(),
      };
    } catch (error: any) {
      throw new Error(`GRU to XAU conversion failed: ${error.message}`);
    }
  }

  /**
   * Convert GRU → CBDC
   */
  async convertGRUToCBDC(
    request: ConversionRequest
  ): Promise<ConversionResult> {
    const conversionId = `GRU-CBDC-${uuidv4()}`;

    try {
      // In production, this would convert GRU to CBDC through CIM
      // For now, use placeholder exchange rate
      const sourceAmount = new Decimal(request.sourceAmount);
      const exchangeRate = new Decimal(1.0); // Placeholder
      const targetAmount = sourceAmount.times(exchangeRate);

      return {
        conversionId,
        sourceAmount: sourceAmount.toString(),
        targetAmount: targetAmount.toString(),
        exchangeRate: exchangeRate.toString(),
      };
    } catch (error: any) {
      throw new Error(`GRU to CBDC conversion failed: ${error.message}`);
    }
  }

  /**
   * Convert GRU → SSR (Strategic Reserve Systems)
   */
  async convertGRUToSSR(
    request: ConversionRequest
  ): Promise<ConversionResult> {
    const conversionId = `GRU-SSR-${uuidv4()}`;

    try {
      // In production, this would convert GRU to SSR
      // For now, use placeholder exchange rate
      const sourceAmount = new Decimal(request.sourceAmount);
      const exchangeRate = new Decimal(1.0); // Placeholder
      const targetAmount = sourceAmount.times(exchangeRate);

      return {
        conversionId,
        sourceAmount: sourceAmount.toString(),
        targetAmount: targetAmount.toString(),
        exchangeRate: exchangeRate.toString(),
      };
    } catch (error: any) {
      throw new Error(`GRU to SSR conversion failed: ${error.message}`);
    }
  }
}

export const gruInteroperabilityService = new GruInteroperabilityService();

