// Quantum Hashing Service
// Q-Keccak implementation

import prisma from '@/shared/database/prisma';
import { createHash } from 'crypto';
import { v4 as uuidv4 } from 'uuid';


export class QuantumHashingService {
  /**
   * Hash data using quantum hashing (Q-Keccak)
   */
  async hashData(data: string): Promise<string> {
    // In production, would use quantum-accelerated hashing
    // For now, use enhanced Keccak
    const hash = createHash('sha3-256').update(data).digest('hex');
    return `Q-KECCAK-${hash}`;
  }

  /**
   * Create quantum hash entry
   */
  async createQuantumHash(
    blockId: string,
    hashValue: string,
    originalData: Record<string, unknown>
  ) {
    const hashId = `Q-HASH-${uuidv4()}`;

    return await prisma.quantumHash.create({
      data: {
        hashId,
        blockId,
        hashAlgorithm: 'Q-Keccak',
        hashValue,
        originalData,
      },
    });
  }

  /**
   * Get quantum hash by ID
   */
  async getQuantumHash(hashId: string) {
    return await prisma.quantumHash.findUnique({
      where: { hashId },
    });
  }
}

export const quantumHashingService = new QuantumHashingService();

