// ILC Interface Service
// Interface definitions for future implementation

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


export interface CreateLedgerRequest {
  ledgerName: string;
  dimensionType: 'classical' | 'dlt' | 'quantum' | 'simulated' | 'parallel';
  description: string;
}

export class IlcInterfaceService {
  /**
   * Create interdimensional ledger
   */
  async createLedger(request: CreateLedgerRequest) {
    const ledgerId = `ILC-LEDGER-${uuidv4()}`;

    // Determine dimension code based on type
    const dimensionMap: Record<string, string> = {
      classical: 'D0',
      dlt: 'D1',
      quantum: 'D2',
      simulated: 'D3',
      parallel: 'D4',
    };

    const dimension = dimensionMap[request.dimensionType] || 'D0';

    const ledger = await prisma.interdimensionalLedger.create({
      data: {
        ledgerId,
        ledgerName: request.ledgerName,
        dimension,
        dimensionType: request.dimensionType,
        description: request.description,
        status: 'active',
      },
    });

    // Initialize standard dimensions
    const { ilcDimensionService } = await import('./ilc-dimension.service');
    await ilcDimensionService.initializeStandardDimensions(ledgerId);

    return ledger;
  }

  /**
   * Get ledger by ID
   */
  async getLedger(ledgerId: string) {
    const ledger = await prisma.interdimensionalLedger.findUnique({
      where: { ledgerId },
      include: {
        dimensions: true,
        reconciliations: {
          take: 10,
          orderBy: {
            checkedAt: 'desc',
          },
        },
      },
    });

    if (!ledger) {
      throw new Error(`Ledger not found: ${ledgerId}`);
    }

    return ledger;
  }

  /**
   * Get all ledgers
   */
  async getAllLedgers(filters?: {
    dimension?: string;
    dimensionType?: string;
    status?: string;
  }) {
    const where: Record<string, unknown> = {};

    if (filters?.dimension) {
      where.dimension = filters.dimension;
    }
    if (filters?.dimensionType) {
      where.dimensionType = filters.dimensionType;
    }
    if (filters?.status) {
      where.status = filters.status;
    }

    return prisma.interdimensionalLedger.findMany({
      where,
      include: {
        _count: {
          select: {
            dimensions: true,
            reconciliations: true,
          },
        },
      },
      orderBy: {
        createdAt: 'desc',
      },
    });
  }

  /**
   * Update ledger state
   */
  async updateLedgerState(ledgerId: string, state: Record<string, unknown>) {
    return prisma.interdimensionalLedger.update({
      where: { ledgerId },
      data: {
        ledgerState: state,
        lastSyncAt: new Date(),
      },
    });
  }
}

export const ilcInterfaceService = new IlcInterfaceService();

